Vladimirs Šafrans

Profile

Senior Software Engineer (Backend / Distributed Systems) specializing in high-load Golang services with extensive experience in distributed system design. Full-cycle technical leader: I drive architecture, lead migrations, and ensure production stability. Strong advocate for engineering excellence, experienced in mentoring teams and introducing modern tech stacks to legacy environments.

Experiences

Ericsson

June 2025 - Present

Software Developer

Remote, Contract

Designed and developed a distributed observability platform for server fleet management, enabling real-time monitoring and analysis of thousands of nodes on both Linux and Windows.
Improved developer experience by introducing automated CI/CD activities to ensure software reliability and compliance.

Dynatech

April 2024 - February 2025

Senior Software Developer

Riga, Latvia

Spearheaded the development of high-throughput Golang mail services, taking full ownership from inception to production and scaling the system to handle thousands of notifications per minute.
Designed and executed the integration of complex email workflows, optimizing system performance and user experience.
Developed and maintained internal Golang libraries for cross-service communication.
Mentored other developers in Golang best practices and design patterns, fostering a culture of knowledge sharing and continuous improvement and providing code-review assistance across several teams.

Dynatech

May 2019 - April 2024

Software Developer

Riga, Latvia

Improved the internal mail system with Golang and parallelization, ensuring seamless integration and better performance.
Developed a high-efficiency Golang service using Bloom filter probabilistic data structure, handling 10M+ daily requests with ~10 ms p95 latency on 2 small Kubernetes pods.
Architected the company’s first production Golang service, migrating the flight search system from PHP to Go, achieved a 3x reduction in infrastructure costs while maintaining high system stability.
Developed automated complex business processes to increase operational efficiency. Node.js (JavaScript + TypeScript).
Developed PHP solutions for travel business projects, integrating multiple SOAP APIs for flight searches.

GPU Audio

March 2021 - May 2021

Full-Stack developer

Remote, Contract

Contracted to build a demo project for a startup, merging multiple micro-frontend components into a single Angular application and ensuring seamless interaction using a Node.js server and the gRPC protocol.