Senior Backend Developer (Golang, Typescript) Offline

We are looking for a skilled Senior Backend Developer (Golang, Typescript) to build and support high-performance backend services for a FinTech platform. The ideal candidate should have strong experience with Go (Golang) and TypeScript , and a solid background in designing scalable, secure solutions within a cloud-native architecture.

Responsibilities:

• Develop and maintain backend services using Go (Golang) and TypeScript.
• Build and optimize GraphQL APIs with Apollo Server and REST APIs using Koa.js (or equivalent in Go).
• 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 (or relevant testing frameworks in Go).
• 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.

Requirements:

• Fluent in English with excellent communication skills.
• 6+ years of experience in developing and maintaining backend services using TypeScript and Go (Golang).
• 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.
• Strong problem-solving skills and ability to work in a fast-paced environment.

Will be a plus:

• 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.

We offer:

• Competitive compensation.
• Social package (24 working days of annual leave, 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 teams.
• 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.