[CoinFLEX] Senior Ruby on Rails Developer, Full-time Remote 20-33K

About This Role

We are currently looking for experienced, self driven and creative Ruby on Rails Senior Engineers to scale our backend team. Successful candidates will participate in improving our existing systems as well as developing new integrations with external platforms, internal products and solving problems at the cutting edge of fintech and blockchain technology. They will be interested in the objectives of the product, proactive in their approach to dealing with issues and providing solutions that are efficient, secure and scalable.

Main Responsibilities

  • Design and build of new transaction processing components which could include parts of transaction monitoring systems, messaging systems, record keeping systems, process automation and anything else in our RoR & Java based architecture.
  • Integration with external crypto assets custody providers and blockchain analysis providers including project analysis, API documentation review and recommendation of the most appropriate strategy to execute.
  • Integration of new, not yet widely supported assets, including research, node set up, transaction monitoring and broadcasting systems, and key management solutions.
  • Process optimisation for increased speed and reliability.
  • Working with a globally distributed team of developers and stakeholders.

Skills and experience required

  • Strong knowledge in Ruby with Ruby on Rails framework, at least 6 years experience.
  • Experience with PostgreSQL (mandatory), MongoDB (mandatory), CockroachDB (optional) databases.
  • Understanding of microservices architecture including RabbitMQ message broker experience.
  • Basic knowledge of JavaScript and Node JS express.
  • Linux experience.
  • Security minded, problem solving, self organised and self driven.
  • Always ready for a new challenge, working to the highest standards, with great work ethic and striving to deliver excellent results.
  • Able to work under pressure and understanding the importance of time to market.
  • Able to perform ad-hoc assignments mid-project.
  • Fluent in English and with strong communication skills.
  • Finance industry or related background is welcome.
  • BSc in Software Engineering is preferred.
  • Knowledge of most popular blockchain technologies and crypto currencies is welcome.
  • We use Kubernetes, Docker, Terraform, Ansible and Jenkins to help manage our build process and environments, we are always looking for new solutions so are open to new ideas and techniques.

What we offer

  • You’ll be part of a remote, specialised team, exploring uncharted territories and developing new solutions to often never before solved problems.
  • A space to excel and deliver solutions to unparalleled standards of quality and security.
  • Having direct impact on creation of one of the most reliable and secure spaces in the cryptocurrency sector.
  • Participation in critical projects with visibility to senior management.
  • Recognition for your stellar work.
  • Flat organisational structure.
  • Friendly no-nonsense team dynamic.
  • Flexible work schedule.
  • Monthly compensation depending on experience and engagement at 20-33K.
  • Annual performance-based bonus.
  • Inspiring leadership and a dynamic work environment.

This is a remote role with UK-PL business hours. You’ll be self employed, issuing monthly invoices as a contractor, but you will be treated just the same as other team members regardless of their employment arrangements. We are a team, sharing a vision and ambition to deliver an exceptional service in an innovative and challenging space.

About the Company

Founded in 2019, CoinFLEX is the home of crypto yields. The platform offers innovative solutions such as flexUSD — the world’s first interest bearing stablecoin — and AMM+, the most capital–efficient automated market maker for today’s investors. Underpinning these solutions is a physically delivered cryptocurrency futures and spot exchange, and the industry’s first tradeable Repo market. CoinFLEX is backed by crypto heavyweights including Roger Ver, Mike Komaransky, Polychain Capital, and Digital Currency Group, amongst others. The exchange is dedicated to provide an easily accessible venue for users to earn and trade crypto with minimal friction.

CoinFLEX is a trading name of Liquidity Technologies Ltd., a company incorporated under the International Business Companies Act of 2016 of the Republic of Seychelles with company number 208853.

Liquidity Technologies Ltd.
House of Francis, Room 303
Ile du Port

Contact: Ewelina Mielecka, CDO, ewelina@coinflex.com