Senior Back-End Developer (Poland)

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Here, your growth matters. We prioritize your development through ongoing learning and career advancement opportunities, helping you reach new milestones. Join Seeking Alpha to be part of a company that values your unique journey, supports your success, and champions both your personal well-being and professional goals.

What We're Looking For

We are looking for a Senior Back-End Developer to join our R&D group. In this role, you will be responsible for building robust features and optimizing performance, ensuring that our paid users enjoy a seamless, reliable, and high-quality experience as they access exclusive content, advanced tools, and insights tailored to their needs. You will work closely with other developers, product managers and data teams to contribute to the ongoing development of our product, enhancing the value it delivers to our subscribers.



• Develop API for modern cross-platform responsible SPA from the ground up.
• Participate in product design and planning discussions, contribute architectural ideas
• Develop and test new user-facing features.
• Write highly scalable, reusable, and testable code.
• Optimize application for maximum speed and performance.
• Collaborate with teammates and people from different departments to brainstorm, set targets, and devise solutions.

• Experience in OOP and MVC design and development patterns. Good understanding of data structures and design patterns.
• 5+ years of back-end development experience in building large, complex, highly scalable web applications using the Ruby on Rails framework.
• Solid understanding of Ruby syntax, its nuances, and core concepts. Ability to write clean and readable code.
• Experience building APIs, including authentication, cleanliness, and role-based access permissions.
• Experience with SQL and NoSQL database technologies (e.g. MySQL, ElasticSearch, CouchBase, Redis, etc.).
• Comfortable with source version control software (Git).
• Knowledge and understanding of server-side architecture best practices.
• Deep understanding of the HTTP protocol and networking.
• Knowledge or experience with Cloud computing technologies and environments (Amazon Web Services).
• Problem solver: Has the ability to break down complex requirements into actionable tasks.
• Impact-driven, user and business oriented.
• Strong sense of responsibility, ownership, and mindset of “get things done”.