Tartu, Estonia · open to opportunities

Kaspar Kliimask

Full-stack Engineer

Motivated and sociable software developer and engineer with experience across scientific research (primarily part-time alongside university studies), private-sector, and public-sector environments. Specializes in backend development with Java, Spring Boot, and relational databases including PostgreSQL, Microsoft SQL Server, and MySQL, with frontend experience in Angular, React, and Next.js. Outside work, enjoys sports and exploring electronics, home automation, AI, and other technologies.

View experience → Résumé ↗

kaspar@kliimask.ee — zsh

$ whoami

→ kaspar kliimask · full-stack engineer · tartu, EE

$ tree ./site

site/

├── stack/

├── experience/

├── projects/

├── assets/

│ └── résumé.pdf

└── links/

├── github ↗

└── linkedin ↗

$ cat stack.txt

java · spring boot · node · react · angular · postgres · aws

// 01 — STACK

What I use

Skills & stack languages · frameworks · data · tools

languages

01Java
02TypeScript
03JavaScript
04Python
05C# · Bash

frameworks

01Spring Boot
02Angular
03React
04Next.js
05Node.js · Vue

data & infra

01PostgreSQL
02SQL Server
03Docker
04AWS
05Microservices

tools & ai

01Git · Jira
02MCPs
03Unix
04Claude Code
05Codex · AI Agents

// 02 — EXPERIENCE

Where I've worked

Experience

idxrolewhat I didperiod

Full-stack DeveloperAutlo OÜ

Partner-facing web tools for automated parking systems. Backend APIs & business logic in Node.js/TypeScript, PostgreSQL schemas, React/Next.js frontends, Docker.

NodeTypeScriptReactPostgres

20259 mo

Full-stack DeveloperFinestmedia

Public-sector systems for Omniva & RIA. Microservices, message queues, distributed databases; diagnosed and resolved concurrency issues in a sharded system. Presales technical support.

JavaSpring BootAngularSQL

2023–241 yr 7 mo

Full-stack DeveloperPlaytech

Consolidated four Atlassian JIRA instances into a single platform for 4,000+ users via a complex custom plugin; migrated to AWS Data Center. Earned a team Excellence Award.

JavaSpring.NET (C#)AngularAWS

2019–223 yr 6 mo

Full-stack DeveloperPopseed OÜ

Built an internal web system as a freelancer.

PHPVue.jsMySQLSass

20193 mo

05 — featured build

Software Programmer

Tartu Observatory

Scientific computing for cosmology research. Built a Java/Processing 3D visualization tool handling millions of galaxy coordinates via dynamic loading, and supported large-scale mathematical analysis for the research team.

JavaFortran (FFT)PythonSQL

2014–17~3 yr · part-time