Jobs at Comosoft (Now Hiring) — 245 open — Page 3

Job: Back-End Engineer
Remote: Eastern Europe
Salary: USD $ based on experience
Industry: IT / dev / tech

Join the HireLago Vetted Talent Network

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By applying to this role, you'll have the opportunity to:

• Complete an interview with our recruiting team.
• Become part of our exclusive vetted talent community.
• Be considered for current and future opportunities that match your skills and experience.
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Role Scope & Purpose

The Back-End Engineer is responsible for designing, building, and maintaining the server-side logic, databases, and APIs that power web and mobile applications. This role ensures that the application's core functionality is robust, scalable, secure, and performant. The Back-End Engineer collaborates with front-end engineers, DevOps, and product teams to build reliable systems that support business requirements and scale with growth.

Key Responsibilities

• Design and develop scalable, maintainable server-side applications and microservices.
• Build and maintain RESTful APIs and/or GraphQL endpoints for front-end and mobile consumers.
• Design and manage relational and/or NoSQL databases, including schema design and query optimization.
• Implement authentication, authorization, and security best practices across systems.
• Write clean, testable code with appropriate unit and integration test coverage.
• Collaborate with front-end engineers, DevOps, and data teams on system integration and architecture.
• Participate in code reviews, technical design discussions, and architecture planning.
• Identify and resolve performance bottlenecks, bugs, and scalability issues.
• Maintain API documentation and technical specifications.
• Monitor production systems and respond to incidents, ensuring high availability

Requirements

• 2–5 years of professional back-end engineering experience.
• Proficiency in at least one back-end language (Node.js, Python, Java, Go, Ruby, or PHP).
• Experience designing and consuming RESTful APIs.
• Proficiency with relational databases (PostgreSQL, MySQL, or similar) and SQL.
• Understanding of software design patterns, SOLID principles, and clean code practices.
• Familiarity with version control (Git) and collaborative development workflows.
• Experience with authentication/authorization (OAuth2, JWT, or similar).
  

Nice to Have

• Experience with NoSQL databases (MongoDB, Redis, DynamoDB, or similar).
• Familiarity with cloud platforms (AWS, GCP, or Azure) and serverless architectures.
• Experience with message queues and event-driven architectures (Kafka, RabbitMQ, SQS, etc.).
• Knowledge of containerization and orchestration (Docker, Kubernetes).
• Experience with microservices architecture at scale.
• Familiarity with GraphQL API design and implementation.

Ready to Get Noticed?

Apply now to join the HireLago Talent Network and put your experience in front of companies actively hiring Account Managers today.

• Remote Work: Work from anywhere—our team is global, and we value work-life balance.
• Growth Opportunities: As a key player i you’ll have the chance to shape your role and grow with us.
• Innovative Culture: Join a team that is passionate about leveraging data to solve challenges and drive success in a rapidly evolving market.

As part of our recruitment process, all candidates will be kindly asked to agree to Lago’s Confidentiality and Non-Circumvention Agreement. This ensures a respectful and professional experience for everyone involved.