Milan Lazić
Senior Software Engineer
Versatile software engineer focused on building reliable systems and modern developer tools. Seven years of experience in the industry. Skilled across the full-stack, with additional focus on developer tooling and applied AI. Enabling smooth communication between the technical and business worlds. Love to support, mentor and learn. Based in Novi Sad, Serbia.
Work Experience
Senior Software Engineer
October 2025 - present
Played a key role in integrating liblab's acquired SDK generation technology into the Postman ecosystem, culminating in the Enterprise release on March 1, 2026. Now leading the SDK Distribution squad - integrating SDKs with users' GitHub repos and publishing to package managers.
- Hardened the system for scalability, reliability, and observability at Postman's scale, serving millions of users
- Drove performance optimization, monitoring, and production resilience to meet enterprise-grade standards
- Provide technical leadership via architectural discussions, platform strategy alignment, and quality elevation through code reviews and system design
Senior Software Engineer
January 2024 - October 2025
Owned core system components - API, SDK generation (sdk-gen), CLI, web app, and AI modules.
- Built Stripe-powered subscription infrastructure with free trials and lifecycle automation, significantly reducing manual operations
- Created GitHub repo templates with Actions to automate API-SDK synchronization, streamlining onboarding (see blog post)
- Core contributor to AI App Builder, designing multi-provider LLM agentic workflows with self-healing error recovery
Software Engineer
April 2020 - December 2023
Joined as Software Engineer and grew into Technical Lead within a 7-person full-stack agile team, working on a complex distributed system for a leading tech and music industry client (non-disclosed).
- Drove technical alignment with business goals - scoping PRDs and shaping product roadmaps from idea to delivery
- Innovated legacy parts of the system via RFCs and contributed across front-end and back-end, including DB query optimization
- Conducted technical interviews and mentored interns and junior engineers
Freelance Software Engineer
March 2018 - April 2020
Progressed from short-term projects to building comprehensive web applications for clients across the world.
- Collaborated across multiple remote teams, engaging in technical and business discussions with clients worldwide
- Founding member and main software engineer of "Rentarober", a local startup (Sept 2019 - Apr 2020) - built and deployed the MVP of a subscription-based clothes rental web platform