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I am a dedicated backend developer with hands-on experience building scalable Go APIs and full-stack applications using Node.js, Next.js, MongoDB, and PostgreSQL. I specialize in Clean Architecture, RESTful API design, testing, and clear API documentation with Swagger/OpenAPI. I thrive on data-driven projects and end-to-end delivery, driving features like wallet authentication, referral rewards, and payment gateway integration. I lead full deployment lifecycles, monitor systems with Datadog, and collaborate across teams to ship reliable, scalable software.…I am a dedicated backend developer with hands-on experience building scalable Go APIs and full-stack applications using Node.js, Next.js, MongoDB, and PostgreSQL. I specialize in Clean Architecture, RESTful API design, testing, and clear API documentation with Swagger/OpenAPI. I thrive on data-driven projects and end-to-end delivery, driving features like wallet authentication, referral rewards, and payment gateway integration. I lead full deployment lifecycles, monitor systems with Datadog, and collaborate across teams to ship reliable, scalable software.

Hasham Tahir

Back-End Developer, Full Stack Developer, Programmer, +6

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I am a dedicated backend developer with hands-on experience building scalable Go APIs and full-stack applications using Node.js, Next.js, MongoDB, and PostgreSQL. I specialize in Clean Architecture, RESTful API design, testing, and clear API documentation with Swagger/OpenAPI. I thrive on data-driven projects and end-to-end delivery, driving features like wallet authentication, referral rewards, and payment gateway integration. I lead full deployment lifecycles, monitor systems with Datadog, and collaborate across teams to ship reliable, scalable software.…I am a dedicated backend developer with hands-on experience building scalable Go APIs and full-stack applications using Node.js, Next.js, MongoDB, and PostgreSQL. I specialize in Clean Architecture, RESTful API design, testing, and clear API documentation with Swagger/OpenAPI. I thrive on data-driven projects and end-to-end delivery, driving features like wallet authentication, referral rewards, and payment gateway integration. I lead full deployment lifecycles, monitor systems with Datadog, and collaborate across teams to ship reliable, scalable software.

Available to hire

I am a dedicated backend developer with hands-on experience building scalable Go APIs and full-stack applications using Node.js, Next.js, MongoDB, and PostgreSQL. I specialize in Clean Architecture, RESTful API design, testing, and clear API documentation with Swagger/OpenAPI.

I thrive on data-driven projects and end-to-end delivery, driving features like wallet authentication, referral rewards, and payment gateway integration. I lead full deployment lifecycles, monitor systems with Datadog, and collaborate across teams to ship reliable, scalable software.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Beginner

Language

English

Fluent

Urdu

Advanced

Work Experience

Golang Backend Intern at Enxsys

February 6, 2025 - May 6, 2025

Built and maintained RESTful APIs in Go using Clean Architecture. Integrated PostgreSQL and external services like NowPayments. Implemented features for wallet authentication, referral rewards, and coin stage tracking. Wrote unit and integration tests using testify and httptest. Documented APIs with Swagger and OpenAPI 3.0.

Mid-Level Backend Engineer at Enxsys

May 6, 2025 - Present

•Architected and sustained highly scalable, low-latency RESTful APIs in Go (Golang) across multiple SaaS products, applying Clean Architecture principles and leveraging PostgreSQL for high-throughput data persistence. • Delivered core FinTech features, including wallet authentication, referral rewards logic, and coin stage tracking, requiring seamless integration with external financial services like NowPayments. •Directed the full feature deployment lifecycle, managing the release process and proactively utilizing Datadog for immediate production log analysis and rapid iteration based on real-time operational data. •Ensured service reliability and code quality by personally writing and maintaining comprehensive unit and integration tests using testify and Go's native testing packages, resulting in stable releases. •Standardized API contracts using Swagger (Swaggo) and OpenAPI 3.0, simultaneously centralizing monitoring, error resolution, and log management in production via Datadog. •Integrated multiple third-party payment gateways and crypto

Associate Software Engineer at Climax

August 6, 2024 - December 6, 2025

•Developed RESTful APIs utilizing Go and NodeJS, applying clean architecture patterns for maintainable backend services. •Integrated Mongo, PostGres databases and external services (e.g., payment gateways). •Delivered backend features like authentication, referral rewards, and tracking systems. •Ensured reliability with unit/integration testing and API documentation (Swagger/OpenAPI). •Monitored and resolved backend issues using Datadog.