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Demyan Tymkiv
@demyan_tymkiv
Senior Golang Developer
Ukraine
English, Ukrainian
About me
đ Hey there! Iâm Demyan, a Senior Golang Developer with strong experience in building high-performance, scalable, and reliable backend systems.
I specialize in designing and developing:
- Backend services & APIs using Go (Golang)
- Microservices architectures
- High-load and performance-critical systems
- Secure integrations and data-driven solutions
- Databases (PostgreSQL, MySQL, Redis) and REST/gRPC APIs
I have hands-on experience working with:
- Go (Golang), REST, gRPC
- Docker, CI/CD pipelines
- SQL & NoSQL databases
- Cloud environments and distributed systems
Skills
Demyan Tymkiv
Offline âąÂ
Average response time: 7 hours
See my services
Full Stack Web Applications
I will build scalable abackend services in golang
Shopify
I will develop scalable ecommerce backend systems in golang
Portfolio
Work experience
Senior Golang Developer
Digital Web Lab âą Full-time
May 2024 - Dec 2025 âą 1 yr 7 mos
Worked as a Senior Golang Developer, taking ownership of backend architecture and critical services. Responsible for designing scalable solutions, mentoring developers, and ensuring high code quality. Key responsibilities and achievements: - Designed and developed high-load backend systems using Go - Built microservices architectures and internal APIs (REST, gRPC) - Optimized database queries and application performance - Led technical decisions and reviewed the code of other developers - Integrated third-party services and external APIs - Worked with Docker, CI/CD, and cloud-based environments - Focused on clean architecture, scalability, and maintainability Delivered reliable backend solutions aligned with business requirements and long-term scalability.
Golang Developer (Junior â Middle+)
GlobalLogic âą Full-time
Feb 2021 - Mar 2024 âą 3 yrs 1 mo
Worked as a Golang developer on long-term commercial projects, progressing from Junior to Middle+ level. Took part in backend development, API design, and system optimization for scalable web applications. Key responsibilities and achievements: - Developed and maintained backend services using Go (Golang) - Built and integrated REST APIs and internal services - Worked with PostgreSQL, MySQL, and Redis - Participated in code reviews, bug fixing, and refactoring - Collaborated closely with frontend developers and product managers - Improved application performance and stability - Gained strong experience with Docker, Git, and CI/CD pipelines This role helped me build a solid foundation in backend development and production-ready Golang systems.
