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?

• 100% Remote
• Full-time

• English: B2 level or higher

Back-End Development

• Design and evolve REST and/orGraphQLAPIs for high-traffic products.
• Optimize performance, concurrency, memory management, and response times.
• Activelyparticipatein 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 No
  
  SQL databases.
• Optimize queries, indexes, and persistence strategies.
• Integrate external services and third-party APIs.
• Define clear and robust integration contracts between systems.

• 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 No
  
  SQL 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 senseof ownership, responsibility, andresultsorientation.

• 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.