Senior Back-End Developer

Ruby

Senior Back-End Developer

Ruby
-, Poznań +4 Locations

EER POLAND

Full-time
B2B
Senior
Remote
6 500 - 7 000 USDNet per month - B2B

Job description

Join an innovative team committed to delivering top-tier experiences for investors worldwide. We are seeking a Senior Back-End Developer to take a pivotal role in crafting robust features and optimizing performance. Your work will ensure users enjoy a seamless, high-quality experience, accessing exclusive content and advanced tools tailored to their needs. Collaborating with cross-functional teams including developers, product managers, and data specialists, you’ll directly contribute to a product that drives real value for its users.


About Us


We are dedicated to empowering investors with actionable market insights and financial analysis while fostering a workplace where our team thrives. With flexible remote work options and benefits designed to support well-being and growth, we prioritize a balanced environment where professional development and personal success go hand in hand.


What You'll Be Doing

  • Build modern, responsive APIs for cross-platform single-page applications (SPAs).
  • Participate in product design discussions, offering input on architecture and planning.
  • Develop and test new user-facing features, ensuring scalability and performance.
  • Write clean, reusable, and testable code that adheres to best practices.
  • Optimize applications for speed and reliability.
  • Collaborate with team members and other departments to brainstorm ideas, set objectives, and develop solutions.


What We're Looking For

  • Proficiency in Ruby on Rails with 5+ years of experience building complex, scalable web applications.
  • Strong experience with object-oriented programming (OOP), MVC architecture, and design patterns.
  • Expertise in Ruby syntax and core concepts, with a focus on writing clear, maintainable code.
  • Skilled in creating secure and clean APIs with role-based access and authentication.
  • Hands-on experience with SQL and NoSQL databases such as MySQL, Elasticsearch, CouchBase, or Redis.
  • Proficient with version control systems like Git.
  • Comprehensive knowledge of server-side architecture best practices.
  • Deep understanding of HTTP protocols and networking principles.
  • Familiarity with cloud environments like Amazon Web Services (AWS).
  • A proactive problem-solver who can break down complex requirements into actionable tasks.
  • User-focused, business-oriented mindset with a strong sense of ownership and accountability.

Tech stack

    Git

    advanced

    API

    advanced

    Amazon AWS

    advanced

    SQL

    advanced

    Ruby on Rails

    advanced

    NoSQL

    advanced

Office location