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You are either already an expert in distributed ledgers/blockchain/Ethereum or wish to become one. You want to join a team of technologists, who really care about writing high quality, open source code. You are self-motivated and don't need many directions to get a job done together with your teammates. We are knowledgeable, curious, and nice people, who have a shared vision to re-shape the world of business software. We would love to hear from you if this feels like a good home for you.
Responsibilities - Write clean, maintainable, secure code for distributed applications. - Build software with Solidity, JS/Node and Go. - Write code that deals with high-value financial transactions. - Scalability, security, and ease of deployment for our end-users are key. Your code is operated by the largest corporations on this planet. - Build the infrastructure that connects our enterprise customers with Ethereum and the Centrifuge peer to peer network. - Be directly responsible for the creation and maintenance of core Centrifuge modules. - Drive your projects from inception to completion by owning your own deliverable and collaborating with your teammates. - Review code of others, maintain shared libraries, contribute to our shared infrastructure and toolbox. - Be a strong individual contributor in our team-oriented environment. We care about our team and people and value collaboration.
Requirements - You like solving problems and working with smart, nice people. - A strong and proven computer science or computer engineering background. - Track record of high quality, well-crafted code that has been used in production environments. - Communicate in English in our fast-paced and results-oriented environment. - Comfortable cooperating with the team in your office as well as remote team members. - Experience in API development and integration.
A plus: - You are familiar with cryptographic algorithms, decentralized systems, distributed consensus systems and security and trust reduction. - You wrote applications before that deal with invoices, purchase orders, payments, or other transactions of the financial supply chain. - You know your way around writing code for large-scale peer to peer applications. - Experience with contributing to and managing open source projects. - Experience shipping and maintaining code that is used in enterprise environments.
About Centrifuge Centrifuge is the decentralized operating system to power global trade and commerce. We are building the systems and tools on public blockchain infrastructure to enable open, fair, and transparent business within the Financial Supply Chain.
Over the last 20 years, we built companies and software to address major issues in the world of Procure to Pay. Global large-scale business networks, invoicing between companies, providing financing for the supply chain - to name a few services we created over the years.
The Centrifuge OS allows businesses to transact on a global, decentralized network while maintaining control of their data. It democratizes access to business processes, makes the supply chain more transparent, and removes the middle-men who extract money from the global economy for their own sake. We are setting up our Berlin offices right now and you will be one of the first ones to join the team and shape our culture.
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Our goal is to replace the physical key and to revolutionize key management. Our smart access-as-a-service solution KIWI allows users to unlock doors completely hands-free with our identity token KIWI Ki or by using our KIWI App. Our customers from the real estate industry use the KIWI Portal to simplify key management. And service providers like Deutsche Post and waste management companies open the doors of apartment buildings with KIWI. More than 47.000 households in 15 cities are already connected to the KIWI Infrastructure.
Our development team is an interdisciplinary mix, covering the full range from hardware and firmware development through systems, web, and mobile. Our highest priority is safeguarding the privacy and security of our users. We believe that it’s possible to have a connected system without gathering huge amounts of information on the private lives of our customers. As a result, we have developed our whole system almost entirely in-house, using cutting-edge cryptography, an innovative wireless sensor network, and an open-source approach.
YOUR ROLE
The role of the SRE at KIWI is to allow for the business to make changes quickly and safely within the company. Your role includes: - Working with the business to translate business requirements into technical implementations. - Designing and building tooling and process patterns to be used by the rest of the Engineering team. - Maintain production and test environments.
YOUR SKILLS
WE OFFER
Join our talented team and be a part of the KIWI story! We are looking forward to receive your application. Please apply here: https://kiwi-jobs.personio.de/job/13157#apply. Your contact person is Charlotte.
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Your Role -To architect, design, develop, deploy, evolve, and operate distributed systems in a DevOps way -To be an integral part of an empowered and self-organizing team -To actively collaborate with other engineers, product owners, domain experts and designers to deliver great outcomes -To pair with others and review work, sharing knowledge and increasing quality across the board -To scale our reach by integrating our platform with more banks, PSPs, insurances and other financial systems -To champion continuous improvement of technology and the ways we work
Your Profile -You have at least 5 years of professional experience as a Software Engineer -You can build and debug reliable, high availability, secure and performant distributed services in Golang -You care about quality and know when and how to ship code safely -You have a solid understanding of system design, data structures, and algorithms -You are experienced with deploying and operating services on Linux -You can reason and drive technical decisions -You love to experiment and use data to drive decision-making -You get inspired, think of new ideas and like to share them with others
Our Offer -A tightly knit team of experienced engineers with lots of interesting challenges to dive into -A modern technology stack: Golang, Kafka, PostgreSQL, Kubernetes, Docker, CoreOS, Terraform -Extensive individual responsibility and personal support to grow professionally -Become part of a talented multinational team of 50 working in Berlin -Semi-monthly OptioAcademy – our internal knowledge sharing project Internal meetups – technical knowledge sharing events -Prime office location – top floor of the city’s tallest building, the best view in Berlin! -Various fun events (weekly team lunch, Friday after work drinks and BBQ, OptioAcademy, Meetups, Hackathons) -EUR 2,000 annual training budget for conferences, books, trainings, etc. -Free educational library, breakfast, drinks and fruit to keep energy levels high -Your choice of hardware and software
About OptioPay
OptioPay is a payment processor with a difference. Our software increases the value of any payment received by consumers from companies, by combining bank transfers with higher value gift cards. By integrating payments to employees or customers with effective marketing, we aim to create a completely new, performance based, advertising channel. OptioPay was founded by Marcus Börner and Oliver Oster in 2014 and is located at the top floor of the Treptowers.
At OptioPay we work cross-functionally, agile and test our limits to outgrow ourselves. Our goal is to change the way how people receive and spend money. To do this, we need your talent, creativity and drive. Join our diverse, multi-cultural and inspiring team, a fun and friendly group with a multitude of talents. At OptioPay you will find an ambitious and empowering environment with a shared vision and passion. We are looking forward to meeting you!
What are you waiting for, apply today through https://www.optiopay.com/job-details/78658-backend-engineer/?_pc=7558#apply
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Who we are The future of transportation is Green. Here at FlixMobility Tech, the R&D group, we develop software with the brightest minds from around the world to engineer new experiences for our millions of customers across our apps and websites. Every day we solve challenging problems, like how to scale rapidly around the world and how to make an experience that delights our customers. We have a culture of sharing ideas, contributing to open source projects and being an active member in our technical communities.
To support our team we are currently looking for DevOps/Cloud/Platform Engineers (m/f/x) to join our Platform team in Berlin as soon as possible.
Your tasks - Paint the world green Paint the world green! Build our cloud! Design, deploy, monitor and maintain our infrastructure that hosts flixbus.com and the services it depends on, which is comprised of multiple Kubernetes clusters on AWS (provisioned with Terraform) and a private data center (running Debian on bare metal). Don't repeat yourself! Automate everything through our configuration management using Puppet and Ansible. Speak freely! Develop ops-related solutions, preferably in languages like Python, Golang, Lua or Ruby. Go team! Educate and support other teams to enable them to fully utilize our stack. Share the wealth! Contribute to open source projects (e.g. Kubernetes, Openresty and many more) or open-source our own projects Decisions, decisions...Evaluate interesting new technologies and come up with strategies to implement them. Don't panic! Spot and troubleshoot problems with our monitoring (Prometheus/Grafana) and use your insights to improve our disaster recovery plan.
Your Profile - Ready to hop on board Experience with cloud architectures (AWS, IaC) Good Linux skills (2+ years) Good containerization (Docker) skills Solid networking and database skills Experience working with multiple development teams Excellent communication skills Be result driven and value oriented Fluent in English
Perks - More than just a job Drive change. With innovation and smart technology, we are changing the way people travel, and you too can have an impact on this ride. Everyone is equally important and works together on uncharted challenges alongside inspiring colleagues from all over the world. Trust-based working. We don't punch the clock – organize your own schedule. We trust in what you do! Fun at work and beyond. Discover the world with your free FlixBus rides and join our regular team events – there's always something to celebrate! Feel at home. We provide you with a comfortable working space, free drinks, casual dress code, diverse employee discounts and more.
So if you are passionate about the new stack and want to keep up with the promising emerging technologies, FlixBus is the place to be. Apply now!
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Come hack with Node.js, Golang and Python building apps for millions of users
You could be working with our awesome team:
Using the latest tech and concepts: Node.js, Golang, Microservices, Gateway, Couchbase, Message queues, ElasticSearch and many more. We constantly explore the new technologies and use the right tools to solve the right problems.
Opportunities to contribute back to Open Source. Most of us are contributing back to projects, sending PR or simply publishing our own side projects. We also organize meetups and conferences, like JSConf China (over 1000+ people showed up last year).
-Building cool things; we build really impressive things for Starbucks, Walmart, Hilton, Dior, the World Bank… And when we’re not busy doing Big data work for USAID or building the next generation of mobile apps for millions of Chinese users, we work on our own products (devo.ps, chato.ps, SweepBoard…).
What you will do:
Write elegant code. We build maintainable and testable tools. We care about details.
Be a problem solver and a team player. We help each other and solve problems together. The SCRUM is just a tool, not a purpose.
Care about a project from A to Z. You won’t be doing everything but you need to care about the architecture, the tech stacks, the testing, and shipping it and so on.
We are looking for someone who:
Is proficient with Node.js, Golang or Python. We build microservices with Loopback, Seneca, and other frameworks.
A unit Testing Nerd. We place a high value on unit testing, so you need to be able to write test code.
Has solid knowledge of common DB, including SQL and No-SQL DB.
Has previous experience, overall 2+ years professional backend development experience or you should have at least one project that you’d be proud to show us.
Understands how to build loosely coupled architectures. We have our sh*t together when it comes to designing products and are similarly smart with our software. We like to use the right tool for the right job, preferring loosely coupled microservices rather than large bloated apps. We leverage Docker and get to tackle very complicated challenges.
About Wiredcraft Wiredcraft is a full-stack digital agency based in Shanghai, Shenzhen & Berlin. We’re technologists, creatives and strategists helping the largest brands in the world design, create & grow digital solutions that impact millions of people.
Our clients include Starbucks, Google, Walmart, Apple, Hilton, Dior, the World Bank & the United Nations.
Learn more about our company and how we work on our playbook: playbook.wiredcraft.com
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ARES Tech is a fast-growing company that provides an all-in-one end2end solution and community for blockchain developers and users.
We’re a small team that runs the kind of infrastructure you always wanted to help build up!
We are looking for a Senior Developer who is capable of performance-oriented and well-structured programming. You will work as part of an international team on the development of Blockchain applications / Decentralized applications (DApp or ĐApp).
What we expect
✦ Relevant work experience building distributed systems with open-source tech stack ✦ Several years of experience in C/C++, Go or NodeJS ✦ Knowledge in go-ethereum / Parity API / RPC / web3.js or other similar tools ✦ Knowledge in server side application framework (Express, Hapi, …) ✦ Understanding of basic distributed consensus methodologies (Mining, PoS, ...) ✦ Experience with agile software development, ideally with Scrum ✦ Fluent in English, German is not a must ✦ Bonus points: Knowledge in Smart Contract, distributed storage systems (IPFS) and Golem ✦ Bonus points : Knowledge in one or more task runner (Grunt, Gulp, Webpack, …) ✦ Bonus points: You have a cryptocurrency wallet : )
What we offer
✦ Signing Bonus in ETH, so... please prepare your wallet : D ✦ Interesting possibilities for your personal development with challenging projects and a personal conference budget ✦ Development of great products and the opportunity to inspire our customers by providing the benefits of blockchain technology with extraordinary game experience ✦ A great, performance-oriented, friendly and international TEAM is looking forward to meeting you ✦ MacBook Pro or Windows or any kind of digital devices that make your work easier ✦ One of the nicest offices in Berlin Mitte, near by Rosenthaler Platz and Nordbahnhof! Including free Club Mate, Coca Cola, fruit, pool table, table tennis, a terrace, and many more ✦ Office party, party and parties! Team events, BBQs, kicker & table tennis ✦ Flexible work hours ✦ Full-time or Part-time even Freelancer? no matter, let's start immediately ! Again... with ETH as Signing Bonus!
Contact us
mail(at)arestech.io
please including salary expectations and earliest possible start date.
Job Types: Full-time, Part-time, New-Grad, Permanent
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What will you do at Social Point?
As a Lead Backend Engineer you will manage a team of backend developers and guide them towards successful project deliveries.
To achieve sustainable results, you should be providing technical leadership through coaching and mentorship and maintain high standards of software quality by establishing good practices and habits. You will also be in charge of identifying and encouraging areas for growth and improvement within the team and work in collaboration with other backend leads and departments on company-wide projects.
Our backends are developed using several technologies and programming languages (Golang, PHP, Python,Lua, etc…), so you should not be afraid to work with our existing code, extend, maintain and continuously refactor the backend of our games.
As a Lead Backend Engineer, you will also work in designing and implementing high available systems for the server part of our games. You will be part of our games team and work closely with systems engineers, game developers and other departments. You will be integrated in business decisions as part of our technology strategy.
This is you
Professional, problem solver, proactive, team worker, rigorous, with leadership skills and detail oriented. You are smart, creative and practical at the same time. And you have the ability to work fast, quickly get up to speed with existing code, and learn new concepts easily.
You also have
*More than 8 years of programming experience. *More than 3 years of professional experience managing teams. *Worked and mastered languages like Java, C#, C++, Erlang, Golang, etc... *Intermediate systems knowledge and understand what happens behind your code *Experience designing and implementing complex systems with multiple parts and technologies *Experience with application scalability, performance and reliability *Experience with application and system orchestration: understand where you code fits within the big picture. *You are ambitious: you want to learn, improve, try new roles… *You accept challenges: you’ll be happy to see our traffic doubling instead of being daunted :-) *Common sense and can get things done. *You are a good team worker. *You are able to explain technical issues to both technical and non-technical people.
Who We Are:
Omaze’s mission is to transform lives by leveraging the power of storytelling and technology. Our model democratizes traditional auction-giving by offering people everywhere the chance to have a once-in-a-lifetime experience for as little as a $10 donation. To continue raising money for hundreds of nonprofits around the world, we’re growing our team of smart, dedicated and passionate world changers! That’s where you come in.
Who We're Seeking:
Omaze's engineering team is looking for a Full-Stack Engineer to help us grow in 2018 and beyond. We have a unique product, passionate customers, and global reach. We need a great engineer to build awesome stuff.
Key Responsibilities:
Write well designed, testable and reliable code as you ship features that help support amazing causes world-wide Work closely with product managers and designers to understand, articulate, and break down customer needs into technical requirements Maintain a highly responsive system by ensuring code quality, stability and scalability Collaborate with fellow developers to design and optimize code Our Ideal Candidate:
You have 4+ years of professional software experience You have experience with several programming languages, and deep knowledge of at least one object-oriented language You do (or would) enjoy working in Golang, Python, and/or JavaScript You’ve got hands-on experience with e-commerce systems (designing, building, maintaining) You have experience with microservices (building, deploying, supporting) You have a willingness and ability to communicate ideas and lead/mentor other developers You have designed and implemented optimized, scalable architectures You are great at query optimization with relational (MySQL) and non-relational databases You have experience with cloud infrastructure
Verisart is currently upgrading is is seeking a hands on Senior Golang Engineer who can work with our technical stack as we migrate from a tightly coupled backend and front end to using React/Redux.
The successful candidate will have strong web app and RESTfull API experience and will be able to support our in-house development team and can start immediately. Knowledge of micro services is also helpful.
The role would involve setting up the API framework as well as any authentication (OAuth2.0) and validation middleware. Routes would then need to be implemented and integrated. Role would also involve supporting any extra code requirements of the development team inside the scope of the API project.
The work will be carried out as part of a small team, based in London (Mayfair). Competitive rates offered, as well as flexible working hours although the position is full time and on site and the successful candidate must be available at least 4 days per week at our office in London.
In general Verisart seeks engineers interested in applying cryptography at real world problems. Our problem lies within the art market as we address the problem of proving provenance for artworks and building evidence based certificates of authenticity. We recognize that cryptography is not a magic bullet. We want to use it intelligently to provide evidence where possible for people to interpret, like the web of trust. We’re looking for people who understand how to apply cryptography to problems. While understanding the mathematical backgrounds to cryptography is great, it’s not essential if you understand how the cryptographic primitives like hashing and message signing work together to solve real problems. We value passion and hard work when tackling challenges and above all else although an interest in arts and collectibles is helpful.
Skills & requirements Requirements
Computer science degree or similar (preferred but not necessary). Git. High level experience such as C++, Golang, Rust, Java, Python. Bitcoin experience is an asset.
Our stack
Golang, Postgres, Javascript, Heroku, Python,
About the company Verisart is building the most trusted way to certify and verify artworks and collectibles using distributed ledger technology. We are a rapidly growing team of applied cryptographers, software engineers and designers with offices in Los Angeles and London. Robert Norton, former CEO of Sedition Art and Saatchi Art, leads the company. Peter Todd, core developer for the Bitcoin blockchain protocol and Dr. Ahmed Elgammal, Professor in Computer Science at The Art & AI Lab at Rutgers University are Board Advisors.
cool team, great product, bright future!
code test and interview
⎘ Copy Link ↗ Visit LinkHypergrowth is seeking an experienced Blockchain Developer who has solid expertise in system and software architecture, delivering scalable Enterprise software. The perfect individual will be confident and experienced with relevant full life-cycle architecture and software development capabilities.