04/28/2025 updated


100 % available
Senior Software Developer
Kaunas, Lithuania
Only remote
Bachelor of Science / Computer ScienceJavaScriptArtificial IntelligenceCode GenerationSoftware QualityE-CommerceFinancesHealth CarePython (Programming Language)Node.jsNext.jsTypeScriptWeb ApplicationsReact.jsLarge Language Models
Senior Software Engineer with
7+ years of experience delivering
scalable web applications across
healthcare, ecommerce, and
financial domains.
Adept in Python, TypeScript, and
JavaScript, with strong
proficiency in solving
algorithmic problems, evaluating
code quality, and writing robust
test cases.
Specialized in building full-stack
applications using Node.js,
React, and Next.js. Proven ability
to analyze and improve existing
codebases, write humanreadable documentation, and
work on highly variable, discrete
problem sets.
Enthusiastic about contributing
to AI/LLM training through code
generation, analysis, and review
tasks.
7+ years of experience delivering
scalable web applications across
healthcare, ecommerce, and
financial domains.
Adept in Python, TypeScript, and
JavaScript, with strong
proficiency in solving
algorithmic problems, evaluating
code quality, and writing robust
test cases.
Specialized in building full-stack
applications using Node.js,
React, and Next.js. Proven ability
to analyze and improve existing
codebases, write humanreadable documentation, and
work on highly variable, discrete
problem sets.
Enthusiastic about contributing
to AI/LLM training through code
generation, analysis, and review
tasks.
Experience
Professional experience5 - 10 years
Freelancer since2024
Languages
EnglishNative speaker
Project history
Solved complex backend and frontend problems across
multiple domains, contributing efficient and functional
code in TypeScript, Python, and SQL.
•Reviewed and improved legacy codebases, documenting
rationale for refactors and ensuring improved readability,
performance, and maintainability.
•Wrote extensive test cases using Jest, Cypress, and
Postman to validate both happy-path and edge-case
behaviors of healthcare microservices.
•Contributed to knowledge-sharing and technical
documentation efforts, improving onboarding and model
clarity forsystem integrations.
•Evaluated competing implementation approachesin
engineering discussions, explaining trade-offs and code
decisions clearly and concisely.
•Frequently engaged in debugging unfamiliar code,
providing detailed analysis and writing human-readable
notes and summariesfor team use.
multiple domains, contributing efficient and functional
code in TypeScript, Python, and SQL.
•Reviewed and improved legacy codebases, documenting
rationale for refactors and ensuring improved readability,
performance, and maintainability.
•Wrote extensive test cases using Jest, Cypress, and
Postman to validate both happy-path and edge-case
behaviors of healthcare microservices.
•Contributed to knowledge-sharing and technical
documentation efforts, improving onboarding and model
clarity forsystem integrations.
•Evaluated competing implementation approachesin
engineering discussions, explaining trade-offs and code
decisions clearly and concisely.
•Frequently engaged in debugging unfamiliar code,
providing detailed analysis and writing human-readable
notes and summariesfor team use.