Rostyslav Volkov

Backend Engineer

Sofia, Sofia City, Bulgaria5 yrs experience

Highly Stable

Key Highlights

5+ years of experience in building scalable microservices.
Proven track record in optimizing performance and reliability.
Expert in Node.js and AWS technologies.

Stackforce AI infers this person is a Backend-focused Software Engineer in the SaaS industry.

Contact

Skills

Core Skills

Node.jsMicroservicesAwsDocker

Other Skills

TypeScriptNestJSPostgreSQLRedisTypeORMKafkaSocket.ioJestSwaggerPrometheusGrafanaJavaScriptSQLMySQLMongoDB

About

Software engineer with 5+ years of experience building scalable microservices and real-time systems with a proven track record of optimizing performance and improving system reliability.

Experience

5 yrs

Total Experience

4 yrs 5 mos

Average Tenure

7 mos

Current Experience

Leverx

Back End Developer

Oct 2025 – Present · 7 mos · Sofia, Sofia City, Bulgaria · Remote

Econt express

Back End Developer

May 2021 – Oct 2025 · 4 yrs 5 mos · Sofia, Sofia City, Bulgaria · Hybrid

Developing microservice architecture based on NodeJS and NestJS.
Collaborating with project owner, project manager, front-end developers, and QA team.
Contributing to system architecture design with the tech lead.
Building and maintaining an internal developer platform to streamline workflows.
Integrating third-party APIs to extend system capabilities.
Writing and maintaining unit and integration tests to ensure code quality.
Preparing technical documentation for microservices.
Assisting in onboarding and mentoring new team members.
Stack: TypeScript, Node.js, NestJS, PostgreSQL, Redis, TypeORM, Kafka, Socket.io, Jest, Swagger, Docker, AWS, Prometheus, Grafana.