Most Important:
Nice to have:
Personal:
Live Energized:
About X-Team
X-Team is a 100% remote international company, originally founded in Melbourne, Australia. We help companies scale their development teams by providing them with extraordinary teams of developers from around the world.
We believe in living a life of freedom that allows you to spend more time getting energized by your passions. We've fostered a unique, active lifestyle and culture around this idea that continues to attract thousands of developers to apply every day. Our community is the most energizing community for developers in the world.
What separates us from our competition is the level of attention and care we give our developers compared to other more "talent"-based solutions. We proactively support them, fund their learning and growth, connect them in roaming hacker houses around the world, and give them a remote environment that motivates and inspires them on a daily basis. While other companies simply place and drop their talent, we foster and cater to our unified teams of developers centered around the same beliefs, values and lifestyle.
We're uniquely situated to help shape how companies grow their businesses in the digital age and aid them in being able to do so properly with the right people. We work with big, innovative brands like Riot Games, Fox Broadcasting, Kaplan Inc., Coinbase, Google, Twitter, Beachbody and more…
Who is X-Team meant for?
Any freelance developers with experience working on high-scale, remote teams and projects with a motivated, proactive attitude and compassionate, team-player heart. If you've worked with freelancing platforms before, that's not what we are. X-Team is a community of all likeminded people, carefully chosen to ensure we are able to create an environment of the most motivated people in the world who come together to unleash their potential. What we've created is truly special and not a faceless platform. X-Team is where developers go to feel truly at home together, while becoming more motivated and energized than they've ever been.
Most Important:
Nice to have
Personal
Live Energized
About X-Team
X-Team is a 100% remote international company, originally founded in Melbourne, Australia. We help companies scale their development teams by providing them with extraordinary teams of developers from around the world.
We believe in living a life of freedom that allows you to spend more time getting energized by your passions. We've fostered a unique, active lifestyle and culture around this idea that continues to attract thousands of developers to apply every day. Our community is the most energizing community for developers in the world.
What separates us from our competition is the level of attention and care we give our developers compared to other more "talent"-based solutions. We proactively support them, fund their learning and growth, connect them in roaming hacker houses around the world, and give them a remote environment that motivates and inspires them on a daily basis. While other companies simply place and drop their talent, we foster and cater to our unified teams of developers centered around the same beliefs, values and lifestyle.
We're uniquely situated to help shape how companies grow their businesses in the digital age and aid them in being able to do so properly with the right people. We work with big, innovative brands like Riot Games, Fox Broadcasting, Kaplan Inc., Coinbase, Google, Twitter, Beachbody and more…
Who is X-Team meant for?
Any freelance developers with experience working on high-scale, remote teams and projects with a motivated, proactive attitude and compassionate, team-player heart. If you've worked with freelancing platforms before, that's not what we are. X-Team is a community of all likeminded people, carefully chosen to ensure we are able to create an environment of the most motivated people in the world who come together to unleash their potential. What we've created is truly special and not a faceless platform. X-Team is where developers go to feel truly at home together, while becoming more motivated and energized than they've ever been.
This job posting is no longer available
Bison Trails is the leading blockchain infrastructure provider, and we are looking for an exceptional Blockchain Network Engineer to join our highly-skilled and passionate team in New York City. The ideal candidate is an experienced, motivated, self-starting engineer with a love for building containerized applications in a cloud native development environment.
We believe in the power of blockchain technology and building a decentralized future that enables greater participation in global financial networks. Our mission is to provide superior infrastructure on multiple blockchains, strengthen the entire ecosystem, and enable the pioneers of tomorrow.
What does it mean to be a Blockchain Network Engineer at Bison Trails?
Day to day, you will…
We are conveniently located in Tribeca, NYC. We provide competitive industry salaries along with:
- Company-paid health, dental, vision, life & disability insurance
- 401(k) plan, FSA & commuter benefits
- Flexible PTO
- Training, mentorship, and coaching from industry leaders and company leadership
- The opportunity to grow alongside a company that is helping create the decentralized future
- Work in tandem with fun, diverse and open-minded colleagues
Introduction
ChainSafe is a leading blockchain research and development firm specializing in infrastructure solutions for the decentralized web. Alongside its contributions to significant ecosystems such as Ethereum, Polkadot, Filecoin, Mina, and more, ChainSafe creates solutions for developers and teams across the web3 space utilizing our expertise in bridging, gaming, NFTs, and decentralized storage. As part of the mission to build innovative products for users and better tooling for developers, ChainSafe embodies an open-source and community-oriented ethos.
To learn more about ChainSafe, look at our Discord, GitHub, and website.
Here’s what you need to know before reading on:
Our progressive tech stack includes Go, Rust, and TypeScript We spearhead ecosystem projects like Lodestar, Web3.js, Forest, Mina-rs, and Gossamer We are global, remote-friendly, and open to contractors You’ll form part of the Sygma Engineering team, our bridging protocol At Sygma we believe that cross-chain interoperability is the fundamental enabler for the next wave of growth in the blockchain industry. Sygma will empower builders to create streamlined experiences where users are not confined to one ecosystem. By enabling elaborate cross-chain functionality and putting most of the steps under the hood, Sygma will enable smooth, web2-like user experiences. For more information about Sygma please visit buildwithsygma.com
At ChainSafe, you’ll be part of a team that believes in the community's vital importance and contributes to advancing humanity with open-source and decentralized technology.
About the role
As our Senior BlockOps engineer for Sygma, our cross-chain interoperability protocol, you will play a vital role in our dedicated BlockOps team, defining and implementing best-practice strategies and guides to manage and optimize our infrastructure.
The BlockOps team supports the critical systems, services, and tooling at the foundation of Sygma’s mission, to abstract away all the complexities of cross-chain interoperability to enable users to ‘deposit from anywhere’. We enable Sygma’s engineers to design, develop, and operate services quickly, safely, securely, and reliably. BlockOps teams build and maintain the platforms critical to the existence of Sygma.
Your expertise will undoubtedly contribute to the sophistication of blockchain applications and redefine the boundaries of what's possible within this emerging technological sphere. All work across Sygma will be open-source, ensuring expansive opportunities for deep contribution and collaborative efforts across various web3 blockchains and ecosystems.
Responsibilities
What you will be doing
Ensure reliable operation of the company’s distributed Relayer nodes operations across various blockchain networks (EVM, Substrate, Cosmos SDK) while adhering to internal SLAs and committed KPIs Design and implement procedures related to Sygma’s Relayer node operations (deployment and upgrade, incident response, and key management) Build monitoring and observability for various Sygma services including a distributed set of relayers and various blockchain full nodes. Provide training and guidance for other members of the infrastructure team, ensuring round-the-clock node operation and incident response. Document and communicate technical details via open-source documentation Collaborate with various internal teams and the wider community to build, expand, and scale Sygma’s architecture, by tapping into new trends and opportunities highlighted by internal data, blockchain research, and the wider blockchain ecosystem Requirements Solid dev. experience with Golang Experience working with AWS services Demonstrable experience with modern Infrastructure as Code (IaC) tools (Terraform, Helm, Ansible, etc), automating deployment, and best CI/CD practices and tools. Experience with monitoring and alerting tools (DataDog, Grafana, Prometheus, etc.) Experience implementing distributed tracing, monitoring, and logging systems using OpenTelemetry Protocol Experience building and participating in incident response systems (PagerDuty, etc) and handling the emergency response to production environment failures. In-depth knowledge of distributed systems and blockchain technology. Excellent communication skills with the ability to document and convey technical details clearly Ability to work autonomously as well as with the wider team As a plus: TypeScript, Solidity, or Rust is a big plus Experience with specifying, procuring, and setting up infrastructures for Blockchain validator nodes, and managing them across several blockchain networks. Experience automating network deployment and testing of SmartContracts with various tools (Truffle, HardHat, Foundry, Anvil) Understanding at least two of the following domains - Web Security, Web3 Security, Cloud Security, Systems Security, and Applied Cryptography. Hiring Steps Selected candidates will be invited to a 30–to–45–minute screening call with one of our tech recruiters Next, candidates will be invited to a 60-minute values interview with one of our team members Technical 60-minute interview with one of our engineers. Then, candidates will be asked to complete a technical task in under 10-15 hours. Your time and expertise demonstrated in the work test challenge will be compensated upon completion. Your time and expertise demonstrated in the work test challenge will be compensated After the completion of the test assignment call with Engineering team to discuss the results, for 60 minutes. Lastly, candidates will be invited to a 60-minute interview with the hiring team members
Why Join ChainSafe
Founded by developers for developers, ChainSafe is a remote-first company with an international team. We continue to provide opportunities for personal and professional growth, value autonomy and responsibility, have a results-driven environment, and offer flexible work hours.
We care deeply about our values and look for these attributes in every new team member. In addition, we recognize the benefits of cultivating a diverse team and aspire to embed respect for all people into our culture. We encourage women, the LGBTQIA+ community, people of colour, and members of any other group underrepresented in the blockchain space (or tech in general) to apply.
How to Apply
Please fill out the Greenhouse application form below and ensure that you attach your resume and link your Github/Gitlab profile or any software project you have contributed to (if applicable).
Visa is looking for Software Engineers who will help build Open VisaNet, Visa's Next generation payment processing platform developed on Open Systems, that would fuel growth in electronic payments globally and drive financial inclusion in many parts of the world. Open VisaNet, is the Next Generation VisaNet, will push the envelope of building highly scalable, secure, cost effective and distributed application on commodity hardware using best-in-class technology components. Open VisaNet is one of Visa's Key initiative that will help Visa support in-country processing solutions and provide Visa an opportunity to move away from Proprietary Mainframe type systems. Building Open VisaNet will involve collaboration with exceptional group of software engineers, security specialists, DevOps engineers, payment experts and infrastructure architects. Essential Functions: Design, implement and evolve highly scalable and fault-tolerant distributed business components using functional programming paradigm. Work with Product Owner to determine functional requirements and business flow and translate into low level designs. Collaborate with the multiple teams across Product, Development, Operation & Infrastructure to analyze, debug and resolve design and code issues. Support cross-functional teams in integrated test efforts. Support in triaging and troubleshooting of highly distributed services in release testing and production environment. Understand and own component security analysis, including code and data flow review. Collaborate with security team to implement and verify secure coding techniques. Design and implement APIs, abstractions and integration patterns to solve challenging distributed computing problems. Ensure proper metrics instrumentation in software components, to help facilitate real time and remote troubleshooting/performance monitoring. Ensuring proper documentation and internal publishing of design tradeoffs, code best practices and lessons learned. Contribute to efficient development process pipeline by leveraging best-in-class CI/CD tools.
Basic Qualifications
• 2 years of work experience with a Bachelor’s Degree or an Advanced Degree (e.g. Masters, MBA, JD, MD, or PhD) Preferred Qualifications: • 3 or more years of work experience or more than 2 years of work experience with an Advanced Degree (e.g. Masters, MBA, JD, MD) • Knowledge of functional programming languages like GoLang (preferred), Scala, Erlang, Haskell, Clojure, or the ability to learn them quickly • Previous experience to work with Product Owner to determine functional requirements and business flow and translate into low level designs. • Exposure to Java based general purpose programming language and language development frameworks along with code optimization techniques are a huge plus. • Working familiarity with the entire software development lifecycle including version control, build process, testing, and code release • Previous experience with financial services or payments processing domain is a big plus • Experience with distributed database, distributed computing and high frequency transactions is a big plus • Effective verbal and written communication skills U.S. APPLICANTS ONLY: The estimated salary range for a new hire into this position is 111,400 to 142,000 USD, which may include potential sales incentive payments (if applicable). Salary may vary depending on job-related factors which may include knowledge, skills, experience, and location. In addition, this position may be eligible for bonus and equity. Visa has a comprehensive benefits package for which this position may be eligible that includes Medical, Dental, Vision, 401 (k), FSA/HSA, Life Insurance, Paid Time Off, and Wellness Program.
Work Hours: Varies upon the needs of the department.
Travel Requirements: This position requires travel 5-10% of the time.
Mental/Physical Requirements: This position will be performed in an office setting. The position will require the incumbent to sit and stand at a desk, communicate in person and by telephone, frequently operate standard office equipment, such as telephones and computers.
Visa is an EEO Employer. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, disability or protected veteran status. Visa will also consider for employment qualified applicants with criminal histories in a manner consistent with EEOC guidelines and applicable local law.
Visa will consider for employment qualified applicants with criminal histories in a manner consistent with applicable local law, including the requirements of Article 49 of the San Francisco Police Code.
U.S. APPLICANTS ONLY: The estimated salary range for a new hire into this position is 111,400.00 to 142,000.00 USD, which may include potential sales incentive payments (if applicable). Salary may vary depending on job-related factors which may include knowledge, skills, experience, and location. In addition, this position may be eligible for bonus and equity. Visa has a comprehensive benefits package for which this position may be eligible that includes Medical, Dental, Vision, 401 (k), FSA/HSA, Life Insurance, Paid Time Off, and Wellness Program.
This job posting is no longer available
The Vision
Someone who understands that “what you build” is just as important as “how you build it”. Someone who wants to do more than just code. We want dreamers, creators, someone who likes to discuss ideas and push the boundaries of technology.
Who we are
Yoti is a global company whose aim is to be the world’s trusted identity system. We have seriously ambitious goals to become the world's most secure and data sensitive company. Our passionate team works to improve the way people share their personal information. Innovative products like the Yoti mobile app help people to prove who they are online and in person.
We are creating a new concept. Something that has never been done before, Why not be part of something truly innovative and creative. Yoti is here to fight against fraud and build a secure identity system for individuals and businesses. We are a company who are pushing the boundaries of technology for a safer world.
Yoti is changing the way people prove their identity. Our products are built from the ground up to respect customers' privacy and put you in control. We will never sell on customer data - we couldn’t even if we wanted to. Designing products that are simple to use and easy to understand in the world of privacy, security and personal data is a tough challenge.
More about this Team and Project
The SDK team produces the open source tools that allow developers to integrate with the Yoti technology. We are the ones who really define the Yoti integration experience and we support 7 popular languages (Node, Java, PHP, Python, Ruby, C# and Go) plus 4 CMS plugins (Drupal 7, Drupal 8, Wordpress and Joomla).
As a Polyglot Developer, you will participate to the technical design and implementation of the new SDK features and you will make sure that our examples projects are always working and easy to understand.
You will also work closely with designers and product managers to make sure that our documentation is understandable and up to date. You will be able to have an impact from day one, but we also care about you and invest in your learning.
Your experience
It would be great if you have some experience in the following:
We don’t want people to stagnate, we don’t want people to just “get by”, we offer a magnitude of tools so you continue to learn, challenge yourself, evolve as a techie and keep you constantly engaged. We even have a Yoti Labs for the people who like to play with new tools, experiment and want to build something out of this world!
Yoti in the news
We are based in Central London, by Bank, 5 minutes walk away from London Bridge and Liverpool Street Stations. We are surrounded by a bunch of restaurants, enough to try a new lunch menu every day for a good few months!
This is a fantastic opportunity to get involved with a company doing crazy-complex projects, in a fun and exciting environment, where creativity is rewarded! You will also be working on something which millions of people could well be using daily! This kind of opportunity does not come round often so what are you waiting for, apply today and build something amazing tomorrow!
Pre-employment checks
If your application is successful please be aware that as part of our pre-employment checks:
Talent Pool
If we consider that you might be suitable for other roles in the future, we will keep your details so we can contact you about these other roles. If you do not want us to keep your details for this purpose, please e-mail HR@yoti.com or let us know at any stage of the recruitment process. For more information please read our applicant privacy notice
CrossTech develops cutting-edge software designed to help a world on the move, move better. We’re a mission-based firm who is a global market leading in automated inspection of transport infrastructure using computer vision. In short, we build systems which ingest video data and undertake real-time inspection and fault analysis to help prevent incidents for the largest transport systems around the world.
Our expertise in AI, Automation, Analytics, and Image Processing is already helping the railway system in the UK - one of the world’s most demanding - improve operational performance, efficiency, and safety by finding or predicting potential hazards and incidents before they cause delays or incidents. Based in London, CrossTech is rapidly extending their platform to railway systems across the globe and use cases beyond rail transport.
Are you the one who can forever change the transport and infrastructure industries?
We are looking for a pro-active midbackend engineer to help build products and components of systems of the highest quality and performance. This role requires working within the engineering team to make important contributions to the development of our innovative solutions. Hence your role is to build optimised, scalable, and modular software using required technologies. Of course, you will be part of a great and fun team, but you are responsible for developing, coding and integrating back-end components and connecting applications to other web services independently and self-sufficiently.
Specifics include:
Must-haves for the role
Nice to have
Bonus: have worked in a startup environment
About the team
We are a team of 20 passionate software engineers, computer vision engineers and product managers who love building cutting-edge technology for real-world industries, hence our focus on Rail. We are a close team - hopefully you are the next person to join us!
What do you get?
Office Location: Kings Cross, London.
Please email - hello@crosstech.co.uk with your CV. Please include ‘GO’ in your email subject.
You can find out more about us at: www.crosstech.co.uk
Together, we will be building hardware and software for anyone to set up their own cellular network.
About the role
Ukama design and implement 4G/5G cloud-native cellular infrastructure (hardware, stack and core) with cloud management and interconnect, basically it means a lot of fun work! We run a complete shop; we design and manufacture the hardware, write the software for hardware, build services in the cloud and then deploy the solution with our partners and customers in the field.
And yes, we love open-source; 100% of our hardware and a significant portion of our software will be open-source!
We are seeking passionate and experienced software engineers to help with the back-end infrastructure, including APIs and micro services, to run various cloud services. At Ukama, you will have broad authority to create, implement and deploy services which will be the backbone of our core technology. You will also help us to define the technical culture of the company and be able to work very closely with the customers.
At Ukama you will:
Things you have done before:
Bonus to have:
Must have:
Our Mission:
Empowering anyone to build cellular networks with ease.
We are a mission driven and YCombinator Summer 2020 company, backed by VC, with ~8 employees, working from the USA, India, Pakistan and Democratic Republic of Congo (DRC). Our customer profile includes enterprises, organizations, entrepreneurs and individuals in the USA, DRC, Mozambique and many more.
Empowering everyone with sustainable connectivity and the Internet is a sacred mission of our generation. Be ready for a high impact, ownership and expectation role but we guarantee it is fun. If this sounds exciting to you, please get in touch. We love to hear from you.
At Horizon, we’re building a New Dimension where Internet economies are fun, accessible, and for the benefit of all participants.
We have two amazing products to make this real:
Sequence, which consists of i) the first user-friendly smart wallet for crypto, NFTs, Web3 + the metaverse, and ii) a developer platform to make building Web3 applications easy on Ethereum and other EVM chains.
And Skyweaver, a digital trading card game—powered by Sequence—where players can win, own, trade and sell their NFT game items.
Sequence is poised to drive Web3 adoption on a massive scale by making blockchain easy, fun and powerful for users and developers. And, Skyweaver is a groundbreaking video game with an unprecedented player-owned economy, novel gameplay, and an already fervent community.
While the challenge is hard, we find it incredibly fun. And, we have the ingredients to make it happen: a well-capitalized company with some of the best investors in the world (Reddit co-founder, Coinbase, Initialized, and more), an amazing team of leaders in the blockchain space, engineers who have built widely popular open source, a former top McKinsey strategy consultant, gaming industry veterans, and founders who have built and sold successful companies. You'll get to work with and learn from them all. Learn more at https://horizon.io/
About the Role
We're looking for someone with experience architecting, writing, testing and shipping production-quality code in Go, with a background in Ethereum development. You are rigourous and have a refined eye for simple arhitecture and clean code, and you are able to balance tradeoffs inherent in all design decisions.
You enjoy building scalable, fault-tolerant systems. You understand the meaning of value and delivering products that achieve business outcomes while laying the foundation of great tech that affects our entire org, and is impactful. This matters to you.
As a senior engineer, you have a deep understanding of designing robust, well-designed code with thoughtful architecture. You can drive and self-direct major areas of our stack. While not a strict requirement, you are comfortable working with and guiding more intermediate and junior engineers when needed.
Given our size, self-driven, and open-minded engineers will thrive best in this role. While small, you'll be working alongside some of the best engineers, and open-source contributors—and a company dedicated to your success. You will learn a lot.
Responsibilities:
-Architect, develop, and implement the infrastructure, and infrastructure stack of Skyweaver and Sequence -Design and implement services that are scalable, and fault-tolerant -Build services that interface with the Ethereum blockchain -Contribute to open source works in the Sequence stack -Extend and evolve our toolchain, to run our stack effectively -Design architectural foundations that are robust and sound, so that future engineers can build on your work with ease and speed
Requirements:
-5+ years shipping production-grade code in Go -Experience and knowledge of the Ethereum blockchain, its tooling and ecosystem -Knowledge of distributed systems design -Experience with data systems, both in their design and practical use -Experience with one of the major cloud providers, AWS, GCP, Azure, etc. -Growth mindset. You love to learn, and actively search out new material and technologies
Why Horizon?
· A chance to deliver massive impact at a small and quickly growing company · Competitive salary and equity package · Accelerate your career by joining at the early stages · Be part of defining Web3, the next generation of the Internet, and creating symbiotic economies where both users and creators share in the value generated by networks · Work with an outstanding team made of wonderful people who have built and sold successful companies, launched amazing products, and have rich experience in infrastructure, architecture, blockchain, games, finance, investing, strategy, consulting, design, marketing, community, and more. · Work life balance unlike the “crunch” culture you find at larger studios · New PC, and generous allowance for work-from-home setup · Health, vision and dental benefits for Canadian employees · We’re conscious about mental health and have modern vacation policies · We invest in everyone’s personal development and subsidize courses, books, and conferences, so you never stop learning · Work on hard, big, meaningful problems that can shift markets · Learn more about our values and the traits we embody at https://careers.horizon.io/
We are committed to diversity and encourage applicants from all backgrounds, genders and faiths. While we're building incredible products, we also want to add to our wonderful team and company. The best way to do that is to attract talented folks from all areas and to have their experiences inform their work.
This job posting is no longer available
At Horizon, we’re building a New Dimension where Internet economies are fun, accessible, and for the benefit of all participants.
We have two amazing products to make this real:
Sequence, which consists of i) the first user-friendly smart wallet for crypto, NFTs, Web3 + the metaverse, and ii) a developer platform to make building Web3 applications easy on Ethereum and other EVM chains.
And Skyweaver, a digital trading card game—powered by Sequence—where players can win, own, trade and sell their NFT game items.
Sequence is poised to drive Web3 adoption on a massive scale by making blockchain easy, fun and powerful for users and developers. And, Skyweaver is a groundbreaking video game with an unprecedented player-owned economy, novel gameplay, and an already fervent community.
While the challenge is hard, we find it incredibly fun. And, we have the ingredients to make it happen: a well-capitalized company with some of the best investors in the world (Reddit co-founder, Coinbase, Initialized, and more), an amazing team of leaders in the blockchain space, engineers who have built widely popular open source, a former top McKinsey strategy consultant, gaming industry veterans, and founders who have built and sold successful companies. You'll get to work with and learn from them all. Learn more at https://horizon.io/
About the Role
We're looking for someone with experience architecting, writing, testing and shipping production-quality code in Go, with a background in Ethereum development. You are rigourous and have a refined eye for simple arhitecture and clean code, and you are able to balance tradeoffs inherent in all design decisions.
You enjoy building scalable, fault-tolerant systems. You understand the meaning of value and delivering products that achieve business outcomes while laying the foundation of great tech that affects our entire org, and is impactful. This matters to you.
As a senior engineer, you have a deep understanding of designing robust, well-designed code with thoughtful architecture. You can drive and self-direct major areas of our stack. While not a strict requirement, you are comfortable working with and guiding more intermediate and junior engineers when needed.
Given our size, self-driven, and open-minded engineers will thrive best in this role. While small, you'll be working alongside some of the best engineers, and open-source contributors—and a company dedicated to your success. You will learn a lot.
Responsibilities:
Requirements:
Why Horizon?
We are committed to diversity and encourage applicants from all backgrounds, genders and faiths. While we're building incredible products, we also want to add to our wonderful team and company. The best way to do that is to attract talented folks from all areas and to have their experiences inform their work.