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Back-End Developer
Location
Worldwide
Posted
3 days ago
Salary
0
Seniority
Mid Level
Job Description
Back-End Developer
fit4me
Role Description Fit4Me is looking for a Middle Back-End Developer who will help build and scale the backend of our Health & Fitness product, creating server-side solutions that directly impact user personalization, product stability, and the speed of delivering new features. - Develop backend services, the admin panel, and internal tools for content management and personalized workout programs. - Work on functionality that allows users to personalize their workout experience. - Contribute to the evolution of our backend architecture and integrate new services. - Continuously improve our technical platform as the product grows. This role is a great fit if you: - Want to build functionality that directly impacts the experience of thousands of users. - Enjoy working with business logic, APIs, and backend architecture. - Thrive in a product team where ownership, autonomy, and responsibility are valued. - Like designing clean, maintainable, and scalable backend solutions. - Want to see how your technical decisions contribute to product growth. Qualifications - 3+ years of commercial experience as a Back-End Developer. - Strong hands-on experience with Node.js and TypeScript. - Practical experience working with MongoDB and Mongoose. - Experience with PostgreSQL or other relational databases. - Experience working with Redis. - Hands-on experience building and maintaining REST APIs. - Understanding of scalable backend architecture principles. - Experience integrating external services and working with webhooks. - Solid understanding of authentication and authorization mechanisms (JWT, OAuth). - Experience working with AWS (experience with AWS S3 is a strong plus). - Experience using Git in a collaborative development environment. - Understanding of clean architecture principles, REST, and SOLID. - Ownership mindset, analytical thinking, and the ability to work independently. Requirements - Experience working with RabbitMQ or other messaging/queue systems (nice to have). - Experience using Docker (nice to have). - Hands-on experience with Swagger / OpenAPI (nice to have). - Understanding of ACID principles and database transactions (nice to have). - Experience working with ORM frameworks such as TypeORM, Sequelize, or similar (nice to have). - Experience participating in database migration projects between MongoDB and SQL (nice to have). - Experience working with payment systems, subscriptions, billing, or financial integrations (nice to have). - Experience building backend systems for mobile products (nice to have). - Understanding of logging, monitoring, and basic observability practices (nice to have). Benefits - Fully remote work with a flexible schedule and dedicated business hours for collaboration. - A high level of autonomy, trust, and ownership over your work. - The opportunity to contribute to a Ukrainian Health & Fitness product that helps people build healthier lifestyles. - A collaborative team that values open communication, fast decision-making, and initiative. - Opportunities for professional growth while working alongside an experienced product and engineering team. Hiring process - Interview with Recruiter - Technical Interview - Final Interview with HRD - Job Offer 🚀
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