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Senior Backend Developer

Senior Backend Developer

speedappWarszawa, Masovian, Poland
28 days ago
Job description

technologies-expected :

  • NET Core
  • Azure DevOps

about-project :

  • Join a dynamic team in the financial industry and help develop cutting-edge trading systems used by clients worldwide.
  • responsibilities :

  • Architect and build robust, scalable backend systems using .NET Core / 6 / 7.
  • Optimize performance for speed and reliability, ensuring security and compliance with industry standards.
  • Integrate with third-party APIs and payment processing systems.
  • Lead the transition to microservices architecture, designing modular solutions for maintainability.
  • Implement and maintain CI / CD pipelines to streamline development and deployment processes.
  • Monitor and log system health, proactively detecting and resolving issues.
  • Mentor junior team members through pair programming and code reviews.
  • Write clean, maintainable code, utilizing TDD and unit testing for high-quality software.
  • Collaborate in Agile development teams and contribute to continuous improvement initiatives.
  • Support Product Managers by assessing solution alternatives and providing technical recommendations.
  • requirements-expected :

  • Minimum 8 years of experience as a Backend Developer.
  • Strong knowledge of C#, .NET Core / 6 / 7, Clean Code principles (TDD, SOLID), and Clean Architecture.
  • Experience working with distributed systems and microservices.
  • Proven track record in building and launching trading platforms or financial systems.
  • Deep understanding of trading system functionalities (order routing, execution, risk management).
  • Excellent problem-solving and communication skills; ability to explain technical concepts clearly.
  • Bachelor’s degree in Computer Science, Engineering, or a related field.
  • Experience in financial services or payment provider integrations is highly valued.
  • Proficiency in English (both written and spoken) required.
  • offered :

  • Cooperation based on a B2B contract.
  • 100% remote work.
  • The support of a dedicated mentor. In the relationship, we focus on direct communication. When you join speedapp, you will be put in touch with a dedicated mentor who will make sure that you enjoy working with us and with the client.
  • Events and integration meetings, as well as participation in various initiatives, e.g., sports.
  • Access to the benefits offering (medical care, life insurance, Multisport card).
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    Backend Developer • Warszawa, Masovian, Poland