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We're looking for someone who has: - At least 5 years of software engineering experience with open source contributions. - Experience developing, releasing, and maintaining production software. - Significant experience writing Golang or the ability and desire to become proficient in new languages. - A strong grasp of computer science fundamentals. - Deep understanding of the theory and implementation of database trees on real file systems. - Experience working in an agile development environment. - The ability to take ownership and see initiatives through. - Worked with and mentored junior engineers. - Exceptional communication skills. - Experience working with distributed teams.
What your primary responsibilities will be: - Improve the IAVL codebase by committing DRY, well tested code. - Work with the Cosmos-SDK team to keep the IAVL tree and its proofs well integrated. - Optimize our implementation of the IAVL tree and its proofs. - Research, design, and implement improvements to the IAVL tree, the proofs, and related protocols. - Help formalize the specification of the IAVL tree and proofs and ensure the implementation adheres to the spec. - Develop simulations for testing the behaviour of the IAVL tree under various loads and read/write strategies. - Develop alternatives to the IAVL tree like the Ethereum Patricia Trie that adhere to the same interfaces. - Mentor junior engineers and support the growth and health of the team. - Review pull requests and provide valuable feedback to members of the team and open source contributors.
What we offer: - The opportunity to build the future of the internet. - An exciting role building open source software. - Flexible work schedule. - At least 4 weeks of paid vacation. - Very competitive salary, including equity.
About our application process: Qualified candidates can expect to go through a 4 step interview process. The first interview will be a call to assess cultural fit and to make sure our goals are aligned.
If we think there is a good fit, you'll have a call with one of our project managers to learn more about your skills and attitudes toward teamwork. If it's clear that you'd be a good addition to the team, we’ll ask you to complete a technical task for which you will be compensated.
If your technical task displays a high level of quality and care we will set up a final interview with our CEO or CTO.
The process can take up to 3 weeks.
How to apply: https://goo.gl/forms/jpdRI1wD8pdfoqKl2
This job posting is no longer available
Swish is a world-class development studio whose teams have delivered products for Google, Microsoft, Kik, Nasdaq, Factset, and other major enterprises. The blockchain engineering team at Swish is looking for talented distributed systems engineers to optimize protocol transaction throughput and network reliability for blockchains in development.
Our mission is to bring the promise of a decentralized blockchain-based future to reality for clients.
As a systems engineer, you will work with our blockchain developers, protocol researchers and clients to implement and improve on a byzantine fault tolerant blockchain architecture based on the Tendermint consensus layer, by increasing the throughput, reliability and stability of the network. This role is ideal for engineers who have experience optimizing performance and robustness of distributed systems, and are excited to be working on the cutting edge of high-performance blockchain protocol development.
You might have experience as an Unix/Linux distributed systems engineer optimizing performance and reliability for large-scale cloud servers, and be relatively new to blockchain and distributed consensus protocols. Or you might be a blockchain engineer who is very familiar with distributed consensus protocols like delegated proof-of-stake, and newer to working on low-level performance optimizations. Experience with Tendermint is a huge plus. Either way, you are a great detective and passionate about pushing the performance of your infrastructure to its limits, without compromising on safety or stability.
We are also looking for: Strong communication skills. Experience with performance and load testing.
You should be motivated by a desire to solve the most important problems, obtain unprecedented results, and push your methods to their maximal performance.
Responsibilities * Optimize Tendermint consensus protocol codebase for speed, reliability and performance, including making PRs as needed to the OSS Tendermint project * Troubleshoot reliability issues of distributed systems, e. g. connection losses between Tendermint nodes under heavy load * Monitor the infrastructure and blockchain performance to identify issues * Measure and improve server response times in different conditions and environments * Guide protocol design decisions
Requirements * 1+ years experience with Golang, C or C++ * 4+ years of experience in a systems engineering role * Deep experience with networking and concurrent computing * Deep experience with Unix/Linux systems * Experience with AWS/GCP * Comfortable operating in dynamic environments
Bonus Points * Background in networking or distributed systems * Familiarity with Cosmos / Tendermint * Proficiency in protocol-level blockchain development * Contribution to open source software * Degree in STEM field, especially software engineering or computer science related. * Experience in small startup environments helping large enterprises. * Experience with a distributed team
About Swish
Launched in February 2013, Swish is a fast-growing business with an innovative working culture and teams spanned across the world with teams in Toronto, San Francisco, Berlin, Auckland, Bruxelles, Medellin, and more.
We create products for successful business using cutting-edge technologies: Blockchain, Machine Learning, and Apps Dev. Working with Swish puts you in contact with prestigious brands, wherever your base is. We are a 100% remote-work company because we believe it is everyone’s choice to live and work the way they prefer.
Work is organized in sprints - 2 weeks periods to which, as a member of our talent community, you choose to commit. You always have the choice to accept or decline a sprint, or take-on multiple sprints simultaneously.
We let members choose what suits them best depending on their current situation: family, travel, studies, finance. We know life is not linear and we respect the humans behind the screens.
Our work ethic relies on six core values: Transparency, Directness, Meritocracy, Autonomy, Responsibility, Continuous Learning.
Ensuring a diverse and inclusive workplace where we learn from each other is core to our values. We welcome people of different backgrounds, experiences, abilities, and perspectives. We are an equal opportunity employer and a fun place to work.
Join the future of work today.
This job posting is no longer available
Swish is a world-class development studio which teams have delivered products for Google, Microsoft, Kik, Nasdaq, Factset, and other major enterprises. The blockchain engineering team at Swish is looking for talented protocol level engineers to design and implement core protocol features (like sharding, multi-chain architecture, two-way pegs, zk-Starks, zk-Snarks, and state channels) for new blockchains. Our mission is to bring the promise of a decentralized blockchain-based future to reality for clients.
As a blockchain engineer, you will work on protocol level infrastructure for blockchains. We acknowledge that the blockchain space is in its infancy. Prior experience with blockchain development is required but we are flexible as to which paths you’ve taken to get it. You should have prior experience developing high quality server and blockchain architecture and be excited about doing that at a studio that is transforming the way companies run their businesses.
We are looking for individuals who are passionate about being at the forefront of a new technological paradigm and can lead the design and development of scalable applications. A successful candidate will bring deep analytical ability, a security-first mindset, and the ability to deliver results within a fast-moving, agile environment.
We are also looking for: • Strong communication skills • Experience with measuring and improving server response times in different conditions and environments. • Experience with unit and integration testing, continuous integration, and deployment workflows.
You should be motivated by a desire to solve the most important problems, obtain unprecedented results, and push your methods to their maximal performance.
Responsibilities
• Write secure, well-documented, well-tested code • Write code to interface with data stores, including databases (relational and non-relational) and a blockchain • Design, implement and document clear and consistent APIs to be consumed by web and mobile clients • Guide product decisions
Requirements
• 1+ years experience with Golang or C++ • 4+ years of experience in a backend engineering role • Experience with distributed systems • Familiarity with a modern web development framework such as Python (Django/Flask), Ruby (Rails), or Javascript (React/Flux) • Comfortable operating in dynamic environments
Bonus Points
• Background in cryptography, networking, or distributed systems • Familiarity with Cosmos / Tendermint • Proficiency in React/Flux, Node, Drizzle, Truffle, cryptoeconomics, or protocol-level blockchain development • Contribution to open source software • Degree in STEM field, especially software engineering or computer science related. • Experience in small startup environments helping large enterprises. • Experience with a distributed team
About Swish
Launched in February 2013,Swish is a fast-growing business with an innovative working culture and teams spanned across the world with teams in Toronto, San Francisco, Berlin, Auckland, Bruxelles, Medellin, and more.
We create products for successful business using cutting-edge technologies: Blockchain, Machine Learning, and Apps Dev. Working with Swish puts you in contact with prestigious brands, wherever your base is. We are a 100% remote-work company because we believe it is everyone’s choice to live and work the way they prefer.
Work is organized in sprints - 2 weeks periods to which, as a member of our talent community, you choose to commit. You always have the choice to accept or decline a sprint, or take-on multiple sprints simultaneously.
We let members choose what suits them best depending on their current situation: family, travel, studies, finance. We know life is not linear and we respect the humans behind the screens.
Our work ethic relies on six core values: Transparency, Directness, Meritocracy, Autonomy, Responsibility, Continuous Learning.
Ensuring a diverse and inclusive workplace where we learn from each other is core to our values. We welcome people of different backgrounds, experiences, abilities, and perspectives. We are an equal opportunity employer and a fun place to work.
Join the future of work today.
This job posting is no longer available
The NewStore mobile retail platform empowers brands to deliver an extraordinary end-to-end shopping experience for consumers. Built entirely from a mobile perspective, it integrates with existing ecommerce platforms such as Demandware, SAP Hybris, Oracle ATG, and Magento. NewStore raises the omnichannel bar with one-touch purchase, scalable clienteling, and on-demand delivery — all optimized for the small screen. Founded by Stephan Schambach, creator of Demandware, NewStore boosts conversion, promotes engagement, unifies online and offline, and modernizes fulfillment. NewStore is headquartered in Boston with a subsidiary in Berlin. For more information, visit www.newstore.com.
We build and maintain a state-of-the-art microservice architecture and use the following technologies: Amazon AWS, RESTful APIs, Node.js, JavaScript 6 & React Native / Eeb (iOS and Android), Python, Golang, Docker, RabbitMQ, nginx, HTML5, PostgreSQL.
Follow Your Passion
NewStore is looking for a Solution Architect to join our growing Field Service Team with a focus on both internal customer advocacy and external expertise. The position reports to the Director Professional Services. The place of work could be in Boston or remote within the US with periodic travel to headquarters and customer locations.
The successful candidate will be involved from the initial customer contact through to the planning and execution of the project involving solution partners, internal software developers and clients. You will be leading all technical aspects of customer implementations from project kickoff to complete delivery.
Responsibilities:
• Meet with clients to define and articulate business requirements and architect complex solutions leveraging NewStore, existing IT landscape and recommend solutions with an eye to future scalability, performance, operations and maintenance • As a subject matter expert, you will be responsible for educating and guiding decisions made by solution partners and customer technical team, including leading by example when necessary • As a seasoned customer-facing professional, you will have skills to influence stakeholders and team members • You will responsible for attaining customer objectives within time and scope with maintaining the quality of the architecture
What we need from you:
• Relevant experience with several of the following subject areas of five (5) years: - eCommerce, OMS, In-Store retail and (m)POS systems and processes, - CRM, ERP and Fulfillment integrations - Technical background on implementing on client- and server-side: RESTful Web services, web technologies, mobile applications (Javascript a plus) • Proven success with delivering projects on time, in scope, and to customer business objectives • Enjoys working with customers - customer focused, experience working with a 3rd Party delivery team • Strong English language written and verbal communication skills • Flexibility in the presence of shifting situations whilst maintaining a cool and dominant posture • A strategic thinker who can anticipate potential challenges related to invisible constraints such as scalability and regional/international differences, etc. • Preferably university qualifications in a technical field such as Engineering or Computer Science • Travel 25%
What we offer:
• Competitive compensation and benefits package • Medical, dental, vision, life & disability coverage, and 401(k) • Personal development budget • Lunches together • Opportunity to travel to other offices • Flexible working hours • Generous paid time off policy
Apply here: http://grnh.se/6f5rwu1
Questions? Email us: jobs@newstore.com
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Wanderu, a 2016 Inc Magazine Top 15 Company, is a fast-growing startup that simplifies the process of comparing and purchasing ground transportation in more than 40 countries. Wanderu instantly searches over 200 different bus and train operators, routes, and schedules, empowering millions of travelers to find the right trip for them at the best price. Be a part of an exciting, fast-paced startup environment and make a difference in the world.
We hire people who are driven, solutions-focused, and passionate about their work. Our employees never fill a single role and always rise to new challenges with excitement and curiosity.
We are seeking experienced engineers to join our Platform Engineering team. In this role, you will be key to the development and management of the Wanderu technology platform. As a member of this team, you will work closely with others in an exciting environment using the latest technologies including NoSQL and graph search technologies. You will start fast and ship features and fixes in your first week.
About you
You learned CS concepts in school like linked lists, graphs, Big “O” notation, search and sorting, but you wondered why everybody used a relational db for everything.
You thrive in an environment that doesn't get bogged down with red-tape and encourages creative solutions to complex problems.
You desire to have an impact with what you do and want to see what you build help people.
You know that there is never just one path to a solution and that the key is finding the solution that helps move the product and team forward quickly without sacrificing quality.
You like to travel and wondered how technology could have made the experience better.
When you run into every-day problems, you think to yourself “How can I automate this?" or "How can I make this work better?”
When you were a child, you disassembled your toys to see how they worked. Most of the time, the pieces came back together in the right order.
Your engineering career started on the front-end or the back-end, but you feel comfortable contributing across the full stack.
About us
• We are polyglots for everything – coding languages, frameworks, databases, and human languages • We choose the best technologies for a given problem and are not afraid to try something new • We implement Python, Golang and node.js for our APIs, backed by MongoDB, PostgreSQL, and a myriad of AWS resources • We employ agile methodologies (combination of Scrum and Kanban) and deploy to production frequently • We negotiate on "right" vs "right now" to deliver a minimally viable product to our customers as quickly as possible, analyzing the results and building on them to continuously improve. • We are a team and support each other on all challenges • We maintain standards of code quality and testability • We have fun together and celebrate each other's accomplishments
Required skills
• Experience with writing scalable REST Services backed by high-performance databases • Experience with designing and developing high-volume transactional e-commerce systems • At least 3-5 years of experience developing with node.js, Python or equivalent languages for high traffic websites Desirable skills • MongoDB / PostgreSQL / Redis experience • Experience building scalable I18N/L10N support for data models and APIs • Experience working with geolocation APIs and data • Knowledge of Apache Kafka, Elasticsearch, and AWS resources like SQS, Redshift and RDS
How to apply
If you think this describes you, email us your resume along with any additional requirements to jobs@wanderu.com.
Benefits • Health benefits including dental & vision • Remote and Work from Home Friendly • Stock options – all employees benefit from the performance of the company • Unlimited vacation policy • Quarterly Internal Hackathons where we get to work on crazy fun ideas • Lunch & Learns by industry leaders • Ping-pong table • Compensated travel tickets • Fully stocked snack kitchen • Team outings • Happy hour every Friday
We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.
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Azumo is looking for a highly motivated Backend Engineer to develop and enhance high performing and scalable backend infrastructures in AI, NLP and conversational software environments.
This position will give you the opportunity to collaborate with a growing team and bright engineering minds in AI computing. You will enjoy the role if you love designing and developing scalable, high performant backend infrastructure using Java, Python, Node, open-source frameworks and connecting applications to modern cloud-based technologies.
Responsibilities:
Design, develop and test server features and robust APIs Integrate existing applications with third party systems Evaluate multiple approaches and technologies to solving a problem
Basic Qualifications:
BS or Master’s degree in Computer Science, related degree, or equivalent experience 3+ years experience with backend development, Java, Python or other OOP language Deep expertise with Linux and hosted cloud environments (Heroku, AWS, App Engine or other) Practical experience with open source technologies, including SQL and NoSQL DBs Experience integrating solutions with 3rd party APIs (RESTful, OAuth, JSON) Self-driven and motivated, with a strong work ethic and a passion for problem solving Strong Experience with backend development (Node.js / Express, GO (GoLang))
Preferred Qualifications:
Prior experience with big data technologies Love for coding and willingness to be agile Hacker spirit within a collaborative team
The Backend Engineer will be based remotely. Compensation commensurate with experience and candidate potential.
At Azumo we strive for excellence and strongly believe in professional and personal growth. We want each individual to be successful and pledge to help each achieve their goals while at Azumo and beyond. Challenging ourselves and learning new technologies is at the core of what we do.
Based in San Francisco, California, Azumo is an innovative software development firm helping organizations build intelligent apps using the latest technologies in AI, data and cloud. We are passionate about solving key problems for customers around the globe.
If you are qualified for the opportunity and looking for a challenge please apply online at https://azumo.workable.com or connect with us at people@azumo.co
GrayMeta is looking for a mid- to senior-level Golang Developer to join our team and work with our scalable, highly-available Golang platform. We are looking for someone that has experience with building great user experiences, high performant single page applications and loves the creative aspect of building.
Love a challenge? Anyone can manage a single application - we manage and processing petabytes of video and image files along with the components supporting billions of operations with very different workloads. You'll be part of a highly capable and motivated team working on solving the hard problems of scalability, availability, and performance on a global platform across multiple data store technologies.
ESSENTIAL POSITION RESPONSIBILITIES
· Work closely with Marketing, Product, and other stakeholders to ensure product requirements are understood
· Perform a technical analysis of requirements
· Write clean, modular, robust code to implement the desired requirements
· Tackle tough design and UX problems
· Create new ideas with our digital team and continually iterate on the experience
· Ensure high level of quality
· Take full ownership of the product from design to implementation and deployment
QUALIFICATION & EXPERIENCE:
· 5+ years of web production or site operations experience
· Deep understanding of SQL/NSQL
·Deep experience with Golang, experience in Machine Learning a +
· Ability to work both independently and in cooperation with others
· Ability to instill and enforce best practices around web development
· Ability to navigate large existing code, and improve it as it changes
· A sense of urgency and ownership over the product
· Great attitude towards work and people
· Intellectually curious, passionate, and inventive
· Focus on quality and simplicity, sweat the details, and delight our users
· Motivated to solve problems in unique and innovative ways
· Desire to make things beautiful, and a strong understanding of usability and visual design
· Preferably strong working knowledge of: Golang, Elastic and Postgres
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Telepresence (https://www.telepresence.io) is a popular open source and CNCF Sandbox project for enabling local development against remote Kubernetes clusters. We're looking for a proficient systems programmer who can take Telepresence to the next level. This includes not just adding new features and fixing bugs, but growing the broader community and understanding what our users want.
You need to be extremely comfortable debugging (and fixing) low-level networking issues. Knowledge of Kubernetes is a huge plus.
At Datawire:
This job posting is no longer available
This role is fully remote and can be based anywhere.
Our Engineering team is having a blast while delivering the most sophisticated crypto-trading platform out there. Help us continue to define and lead the industry.
Responsibilities
Requirements
A strong candidate will also
Fastly helps the world’s most popular digital businesses keep pace with their customer expectations by delivering fast, secure, and scalable online experiences. Businesses trust Fastly to accelerate the pace of technical innovation, mitigate evolving threats, and scale on demand. Founded in 2011, Fastly powers online destinations including Airbnb, GitHub, Alaska Airlines, Pinterest, Vimeo, The Guardian, The New York Times and Ticketmaster.
The worldwide cloud services market is projected to grow rapidly to $236 billion in 2020, according to Forrester, Inc. As more and more businesses move operations to the cloud, Fastly is well positioned to continue increasing CDN, cloud networking and cloud security market share with edge cloud services that reach beyond content delivery.
We’re building a better Internet. Come join us.
Distributed Systems - TLS / API Engineer
We’re looking for talented software engineers with experience in building resilient and distributed systems to join our team. This role is responsible for building, enhancing and maintaining the platform to deliver our core CDN configurations as well as our future Edge Cloud products. We have local offices in San Francisco, Portland and other locations. Remote workers are also encouraged to apply. Time zones with some overlap to North American time zones are preferred.
What You'll Do
What We're Looking For
We value a variety of voices, so this is not a laundry list. You’ll be a good candidate if you have experience and/or interest in SOME of these:
Why Fastly?
We’re always looking for humble, sharp, and creative folks to join the Fastly team. If you think you might be a fit please apply!