Артем

Artem Shylov | Golang Backend
Developer
Klaipeda, Lithuania – Remote / Willing to relocate
¯ [open contact info](look above in the "contact info" section) • ¹ https://github.com/Killerquinn
[open contact info](look above in the "contact info" section)

Summary
A motivated Golang Backend Developer with practical experience in building scalable REST APIs, microservices,
and full-cycle SaaS applications. Passionate about startup environments and transforming bold ideas into robust
backend solutions. Strong focus on clean Go code, efficient database management, and modern observability
tools. Looking to leverage my self-management skills and technical background in a collaborative team to build
impactful software.

Technical Skills
○ Languages: Go (Golang), SQL, Rust
○ Backend Frameworks & APIs: REST API, gRPC, Chi, Fiber

○ Databases & Message Brokers: PostgreSQL (pgxpool), Redis, RabbitMQ

○ Infrastructure & DevOps: Docker, AWS S3

○ Observability & Architecture: Prometheus, OpenTelemetry, Vertical Slice Architecture, Microservices

○ Languages (Spoken): English (B2/Fluent), Ukrainian (Native), Russian (Native)

Projects & Experience
Internal b2b service Freelance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Role: Golang Backend Developer
○ Designed a microservice-based SaaS backend in Go (Chi), achieving sub-100ms p95 latency for core API

endpoints.
○ Optimized PostgreSQL database interactions with pgxpool and composite indexing, improving query perfor-

mance by 3.5x under concurrent load.
○ Integrated RabbitMQ message broker to decouple synchronous flows, increasing overall service throughput to

800+ RPS.
○ Set up full observability via Prometheus and OpenTelemetry, reducing issue diagnostic time by 40%.

○ Conducted load testing with k6, validating system stability under 1,500+ concurrent virtual users.

SaaS Referral System Independent self Project(still undler development). . . . . . . . . . . . . . . . . . . .
Role: Golang Backend Developer
○ Designed and developed a full-cycle backend for a referral system SaaS using Go and Vertical Slice Architecture.

○ Implemented robust and secure REST APIs to handle user requests and business logic efficiently.

○ Engineered complex database interactions using PostgreSQL and optimized connection pooling with pgxpool.

○ Integrated third-party APIs, including Stripe for payment processing, aligning with FinTech and E-commerce

standards.
○ Set up message queuing with RabbitMQ for asynchronous task processing.

○ Implemented system observability and monitoring using Prometheus and OpenTelemetry.

○ Followed best practices for writing clean, simple, and testable Go code.