Aleksandar Milosavljević
Software engineer · JS & agentic coding enthusiast
About
Seasoned software engineer committed to fostering quality and maintainability in software development. Actively mentored fellow engineers and facilitated team coordination in roles such as team lead and delivery manager during my 10-year tenure in the IT industry. Genuinely excited about the shift toward agentic coding — using AI as a day-to-day collaborator to move faster, explore ideas more freely, and ship with more confidence.
Experience
Mar 2026 — Present
Madrid, Spain
Senior Software Engineer
Datadog
Optimizing UX and UI for Authentication, Authorization and Accounts. Actively using agentic coding workflows — Claude Code and OpenAI Codex — as day-to-day collaborators to accelerate feature development, explore solutions faster, and ship with greater confidence.
Feb 2024 — Feb 2025
Belgrade, Serbia
Senior Frontend Engineer
Decenter
Worked on various features and components of DeFi Saver — a decentralized finance platform for EVM based DeFi protocols. Shrunk application build time from 2 minutes to under 6 seconds. Introduced technologies and laid groundwork for implementing a component library centered around a well-defined design system.
Feb 2022 — Dec 2023
Belgrade, Serbia
UI Engineer — L4
Tenderly
Implemented various features on the Tenderly Dashboard — a developer platform enabling blockchain developers to debug and simulate Web3 transactions on EVM based networks. Main contributor for tenderly-sdk and one of the main contributors for a Solidity code playground site.
Feb 2019 — Jun 2021
Belgrade, Serbia
Delivery Manager / UI Specialisation Lead / Senior UI Engineer
Grid Dynamics
Led two concurrent projects with distinct distributed teams for a prominent US-based sports brand, including an in-store checkout app and a web security initiative. Facilitated UI engineer growth through performance reviews and internship programs. Built a widget board integrated with banking services for financial advisors; promoted to team lead within three months.
Sep 2015 — Feb 2019
Belgrade, Serbia
Software Engineer
Zühlke Engineering
Engaged as a full stack developer on diverse client projects, specializing in the .NET (C#) and Angular.js stack. Contributed to clients spanning industries including major sports organizations, insurance firms, and energy sector companies.
Education
Oct 2016 — Sep 2021
Master's in Informatics
University of Belgrade, Faculty of Mathematics
Oct 2012 — Jul 2015
Bachelor's in Informatics
University of Belgrade, Faculty of Mathematics
Certified
Professional Scrum Developer I
Scrum.org
Skills
Core
Frameworks
Languages