Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

I'm a Senior Backend Software Engineer with hands-on expertise in Node.js and microservices architectures. I'm experienced in building high-performance REST APIs and distributed systems. I contribute to Ericsson's product ecosystem as an external supplier (8+ years), working closely with Ericsson teams and productization procedures. I combine deep coding expertise with technical leadership. I'm passionate about building scalable systems, mentoring engineers, and delivering maintainable software through thoughtful design, code quality, and robust deployment practices.…I'm a Senior Backend Software Engineer with hands-on expertise in Node.js and microservices architectures. I'm experienced in building high-performance REST APIs and distributed systems. I contribute to Ericsson's product ecosystem as an external supplier (8+ years), working closely with Ericsson teams and productization procedures. I combine deep coding expertise with technical leadership. I'm passionate about building scalable systems, mentoring engineers, and delivering maintainable software through thoughtful design, code quality, and robust deployment practices.

Nakos Kotsanis

Full Stack Developer, Back-End Developer, Web Developer, +1





I'm a Senior Backend Software Engineer with hands-on expertise in Node.js and microservices architectures. I'm experienced in building high-performance REST APIs and distributed systems. I contribute to Ericsson's product ecosystem as an external supplier (8+ years), working closely with Ericsson teams and productization procedures. I combine deep coding expertise with technical leadership. I'm passionate about building scalable systems, mentoring engineers, and delivering maintainable software through thoughtful design, code quality, and robust deployment practices.…I'm a Senior Backend Software Engineer with hands-on expertise in Node.js and microservices architectures. I'm experienced in building high-performance REST APIs and distributed systems. I contribute to Ericsson's product ecosystem as an external supplier (8+ years), working closely with Ericsson teams and productization procedures. I combine deep coding expertise with technical leadership. I'm passionate about building scalable systems, mentoring engineers, and delivering maintainable software through thoughtful design, code quality, and robust deployment practices.

Available to hire

I’m a Senior Backend Software Engineer with hands-on expertise in Node.js and microservices architectures. I’m experienced in building high-performance REST APIs and distributed systems. I contribute to Ericsson’s product ecosystem as an external supplier (8+ years), working closely with Ericsson teams and productization procedures. I combine deep coding expertise with technical leadership.

I’m passionate about building scalable systems, mentoring engineers, and delivering maintainable software through thoughtful design, code quality, and robust deployment practices.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Work Experience

Senior Software Engineer | Technical Team Lead at Intracom -Telecom (External Partner for Ericsson)

January 1, 2019 - Present

Scope & Ownership: 30+ production services across international deployments; High-availability distributed system with API Gateway; Ownership across team of 5–10 engineers. Technical Execution: Designed and implemented a full-stack portal from scratch, supporting 20+ enterprise customers and 200+ active technical users; Developed microservices (Java, Node.js); Built REST APIs and WebSocket services; Worked with PostgreSQL, MySQL, MongoDB, Redis, RabbitMQ; Implemented Keycloak (Identity Provider), TLS, OWASP practices. Impact: Reduced deployment time to ~1 minute via CI/CD; Reduced manual effort by ~50%; Optimized maintenance significantly. Leadership: Led and mentored engineers; Participated in hiring and code reviews.