• 8+ years of experience in developing and maintaining backend services using Node.js & TypeScript.

• Strong expertise in GraphQL (Apollo Server) and RESTful API development.

• Solid understanding of cloud-native architectures, particularly AWS serverless solutions (Lambda, API Gateway, DynamoDB, CloudFormation).

• Experience with NoSQL and SQL databases, with an emphasis on performance optimization.

• Strong knowledge of authentication, authorization, and security best practices.

• Exposure to DevOps practices, CI/CD pipelines, and infrastructure as code.

• Frontend experience is a plus: React, CSS, Next.js.

• Fluent in English with excellent communication skills.

• Strong problem-solving skills and ability to work in a fast-paced environment.

• Develop and maintain backend services using Node.js & TypeScript.

• Build and optimize GraphQL APIs with Apollo Server and REST APIs using Koa.js.

• Integrate with third-party APIs and external services.

• Design and manage AWS serverless architectures including Lambda, API Gateway, DynamoDB.

• Ensure security, authentication, and data protection using JWT, OAuth.

• Optimize API performance, caching strategies (Redis), and database queries.

• Implement CI/CD pipelines and Infrastructure as Code (IaC) using CloudFormation.

• Handle error logging and monitoring using AWS CloudWatch.

• Optimize database queries and indexing for high-volume transaction processing.

• Write and maintain unit, integration, and end-to-end tests using Jest.

• Collaborate with frontend teams, product managers, and designers to ensure seamless integration.

• Mentor junior developers and review code for best practices.

• Maintain API documentation and system architecture.

• Adhere to industry standards for FinTech and implement best practices.

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• Experience working in FinTech or other highly regulated industries.
• Knowledge of blockchain technologies and cryptographic security.
• Understanding of financial data processing, payment gateways, and transaction security.

• Competitive compensation
  

• Social package (24 working days of annual leave and 5 paid sick days)
  

• Flexible working hours
  

• Challenging projects in diverse business domains and a variety of tech stacks
  

• Personal development and professional growth opportunities
  

• Work with talented, ambitious and family-feel team
  

• Educational possibilities: corporate courses, knowledge hubs, and in-house English classes
  

• Compensation for your professional certification & support for your learning activities
  

• Opportunity to choose IT equipment you like
  

• Corporate social responsibility