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. Dedicated to engineering excellence and growing others, with experience as a bootcamp instructor, educational leader, and 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.

Instructor · Software Development Academy Remote
Feb 2021 – Mar 2022

Delivered remote programming courses across Java and Python bootcamp cohorts as part of the Software Development Academy.

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 · Technical Training · Public Speaking

Certifications

AWS Certified Cloud PractitionerAWS Partner: Agentic AI EssentialsGoogle Cybersecurity Professional CertificateAWS Certified AI PractitionerLFC108: Cybersecurity EssentialsWell-Architected ProficientAWS Certified Database – SpecialtyAWS Certified Solutions Architect – AssociateOracle Certified Associate, Java SE 8 ProgrammerGoogle IT Support CertificateAWS Certified Developer – AssociatePingAM Core Skills
Since Sep 2022 · valid until Jul 2029
Sep 2022 – May 2026 · badge
Jul 2026 – Jul 2029 · badge
Jul 2026
Oct 2025
AWS Certified AI PractitionerAmazon Web Services
Feb 2025 · valid until Feb 2028
LFC108: Cybersecurity EssentialsThe Linux Foundation
Feb 2024
Well-Architected ProficientAmazon Web Services
Feb 2024
Jul 2023 · expired Jul 2026
May 2023 · expired May 2026
Oct 2022
Nov 2021
Feb 2020 · expired Feb 2023
PingAM Core SkillsPing Identity
Sep 2018
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