Kęstutis Triponis

Software Development Engineer
Luxembourg, LU · cv.ktriponis.lt · GitHub · LinkedIn
Software Development Engineer with 15+ years of experience building secure, scalable systems across e-commerce, healthcare, and government sectors. Security Certifier at Amazon, responsible for reviewing and certifying applications handling confidential data. Proven track record in cloud migration, system architecture, and performance optimization. Four active AWS certifications spanning solutions architecture, databases, and AI. Passionate about engineering excellence, with a history of leading TDD adoption, cutting deployment times in half, and pioneering infrastructure as code practices.

Experience

Software Development Engineer II · Amazon Luxembourg, LU
Nov 2020 – Present

Building critical software components for Amazon's third-party seller platform, serving millions of sellers worldwide.

Software Engineer · Juvare (formerly Intermedix) Kaunas, LT
Apr 2018 – Nov 2020

Full-stack development of emergency awareness, patient tracking, and inventory management software for healthcare organizations.

Software Engineer · MedDream (formerly Softneta) Kaunas, LT
Jan 2016 – Oct 2019

Led backend development for medical imaging software, driving a major platform migration and engineering culture improvements.

Software Engineer · OpenG Kaunas, LT
Jul 2011 – Jan 2016

Delivered full-stack solutions for government and private sector clients across healthcare, immigration, and public safety domains.

Skills

Languages Java · TypeScript · JavaScript · Python · PHP · SQL · Scala
Cloud & Data AWS · DynamoDB · RDS · S3 · Docker · Infrastructure as Code · CI/CD · Cloud Migration
AI & ML Foundation Models · Generative AI · Prompt Engineering
Security Application Security · Security Certification · GDPR · Threat Modeling
Practices TDD · Code Review · Agile · Performance Optimization · Mentoring

Certifications

Google Cybersecurity Professional CertificateAWS Certified AI PractitionerLFC108: Cybersecurity EssentialsWell-Architected ProficientAWS Certified Database – SpecialtyAWS Certified Solutions Architect – AssociateOracle Certified Associate, Java SE 8 ProgrammerAWS Certified Cloud PractitionerGoogle IT Support CertificateAWS Certified Developer – AssociatePingAM Core Skills
Google Cybersecurity Professional Certificate Google / Coursera · Oct 2025
AWS Certified AI Practitioner Amazon Web Services · Feb 2025
LFC108: Cybersecurity Essentials The Linux Foundation · Feb 2024
Well-Architected Proficient Amazon Web Services · Feb 2024
AWS Certified Database – Specialty Amazon Web Services · Jul 2023
AWS Certified Solutions Architect – Associate Amazon Web Services · May 2023
Oracle Certified Associate, Java SE 8 Programmer Oracle · Oct 2022
AWS Certified Cloud Practitioner Amazon Web Services · Sep 2022
Google IT Support Certificate Google / Coursera · Nov 2021
AWS Certified Developer – Associate Amazon Web Services · Feb 2020
PingAM Core Skills Ping Identity · Sep 2018
Parallel, Concurrent, and Distributed Programming in Java Rice University · Nov 2017

Education

Computer Science · Kaunas University of Technology
2006 – 2008

Volunteering

Vice President Education · Toastmasters Kaunas English
Jul 2022 – Mar 2023
Secretary · Toastmasters Kaunas English
Jul 2019 – Jun 2020
Sergeant At Arms · Toastmasters Kaunas English
Jul 2018 – Aug 2019

Languages

Lithuanian – Native · English – Fluent