Senior Java Developer

About us: Echo is a dynamic IT outsourcing company, which specializes in web development since 2013 and has shown itself not only as a successful partner to its customers but also a good employer.

About the Project: CoinStruction creates a secure network of different exchange platforms, trading networks, payment gateways and liquidity providers from all around the world. By aggregating the trade orders on to a single framework, CoinStruction creates a back-end layer of interoperability and standardization for the cryptocurrency B2B service sector. The framework significantly increases the efficiency, scale, speed and potential of cross-platform trading of various cryptocurrencies, tokens and other crypto assets worldwide.

Required skills:

• 5+ years of experience as a backend Java engineer;
• Experience and passion working with distributed systems and networking;
• Strong interest in blockchains and related technologies;
• Passion for delivering quality, secure code with loads of testing;
• Interest in privacy and cryptography, trading and financial service;
• Understanding fundamental design principles behind various consensus algorithms;
• Implementing automated testing platforms and unit tests;
• Proficient understanding of code versioning tools, such as Git;
• Upper-Intermediate English.

Technology Stack:

• Java8, JUnit5 + JUnit4;
• Spring 4.3 (IoC, MVC, Boot, Data);
• Hibernate 5, QueryDSL 4.1;
• PostgreSQL 9.6, Redis;
• Jetty9, WebSocket, Rest HTTP;
• Kubernetes, Docker, Prometheus, Grafana.

Responsibilities:

• Implementation and design of CoinStruction market liquidity framework and P2P order routing protocol;
• Developing new blockchain solutions and improve upon existing consensus algorithms;
• Lots of work around trading and high volume data handling and transfer;
• Design and implementation of a low-latency, high-availability, and performant algorithmic trading and exchange order book;
• Constant performance testing and improvement of our architecture;
• Working on new financial products that have not been seen in the crypto world, setting up the base-layer infrastructure of a trading system.

We offer:

• Competitive salary based on the results of the interview;
• Challenging tasks and professional growth;
• Paid vacations, days off and sick leaves;
• Comfortable workplace, office kitchen, and rest area;
• Company English classes (50% compensation);
• Professional workshops and seminars attendance (50% compensation);
• Any sports activities (50% compensation);
• Regular outdoor activities and team buildings events;
• Inspiring Friday breakfasts with colleagues;
• Possibility to work from home 2 days per month;
• IT Club bonus program;
• Relocation assistance to nonresidential job seekers;
• Business trips to Nice/Monaco twice a year.