Senior Back-End Developer

We are looking for a Senior Back-End Developer to participate in the design and development of scalable, secure, high-impact backend platforms. Would you like to join our team? 

Your work setup 

• 100% Remote
• Full-time

Language requirement  

• English: B2 level or higher

Some of your responsibilities

Back-End Development 

• Design and evolve REST and/or GraphQL APIs for high-traffic products. 

• Optimize performance, concurrency, memory management, and response times. 

• Actively participate in technical decisions and backend architecture definition. 

• Ensure best security practices (authentication, authorization, data protection). 

Architecture & Cloud 

• Design and implement architectures based on: Microservices, Serverless, and Event-driven systems. 

• Build solutions on AWS using services such as Lambda, SNS, and DynamoDB. 

Databases & Integrations 

• Design and manage data models in SQL and NoSQL databases. 

• Optimize queries, indexes, and persistence strategies. 

• Integrate external services and third-party APIs. 

• Define clear and robust integration contracts between systems. 

What we expect from you 

• 5+ years of experience in Back-End development. 

• Solid experience with at least one of the following languages: .NET Core, Node.js, Go, or Rust. 

• Proven experience designing APIs and scalable architectures. 

• Strong command of asynchronous and concurrent programming, performance optimization, and distributed systems design. 

• Experience with relational and NoSQL databases (ideally DynamoDB). 

• Solid knowledge of security (OAuth, JWT, Identity Providers). 

• Proficient use of Git, version control, and development best practices. 

• Strong analytical skills, architectural vision, and decision-making ability. 

• Strong sense of ownership, responsibility, and results orientation. 

Nice to have 

• Experience with microservices and event-driven architectures. 

• Knowledge of Docker, Kubernetes, and CI/CD. 

• Familiarity with other cloud platforms (GCP or Azure). 

• Experience with Blockchain and emerging technologies. 

• Deep knowledge of SOLID principles, DDD, and Clean Architecture. 

Ready to join our team? Apply now by completing the form — we’d love to meet you.