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Hello! I am a passionate Full Stack Developer with 3+ years of experience shipping production applications in government and industrial environments. I enjoy building reliable, scalable software and collaborating with cross-functional teams to turn complex problems into elegant solutions. I have led small dev teams, owned projects end-to-end, and implemented performance improvements at scale, including high-concurrency systems for civic platforms. I thrive in agile environments and am comfortable with cloud deployments, CI/CD, and data-driven decision making.…Hello! I am a passionate Full Stack Developer with 3+ years of experience shipping production applications in government and industrial environments. I enjoy building reliable, scalable software and collaborating with cross-functional teams to turn complex problems into elegant solutions. I have led small dev teams, owned projects end-to-end, and implemented performance improvements at scale, including high-concurrency systems for civic platforms. I thrive in agile environments and am comfortable with cloud deployments, CI/CD, and data-driven decision making.

Lautaro Lesniewicz

Full Stack Developer, Web Developer, Front-End Developer, +2

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Hello! I am a passionate Full Stack Developer with 3+ years of experience shipping production applications in government and industrial environments. I enjoy building reliable, scalable software and collaborating with cross-functional teams to turn complex problems into elegant solutions. I have led small dev teams, owned projects end-to-end, and implemented performance improvements at scale, including high-concurrency systems for civic platforms. I thrive in agile environments and am comfortable with cloud deployments, CI/CD, and data-driven decision making.…Hello! I am a passionate Full Stack Developer with 3+ years of experience shipping production applications in government and industrial environments. I enjoy building reliable, scalable software and collaborating with cross-functional teams to turn complex problems into elegant solutions. I have led small dev teams, owned projects end-to-end, and implemented performance improvements at scale, including high-concurrency systems for civic platforms. I thrive in agile environments and am comfortable with cloud deployments, CI/CD, and data-driven decision making.

Available to hire

Hello! I am a passionate Full Stack Developer with 3+ years of experience shipping production applications in government and industrial environments. I enjoy building reliable, scalable software and collaborating with cross-functional teams to turn complex problems into elegant solutions.

I have led small dev teams, owned projects end-to-end, and implemented performance improvements at scale, including high-concurrency systems for civic platforms. I thrive in agile environments and am comfortable with cloud deployments, CI/CD, and data-driven decision making.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

English

Fluent

Spanish; Castilian

Fluent

Portuguese

Beginner

Work Experience

Full Stack Developer at Phinx Lab

December 1, 2023 - Present

Led end-to-end delivery of a government platform (Java Spring Boot + Angular) serving 1,000+ daily users and handling peak traffic events of 10,000–15,000 concurrent users, while guiding 1–2 developers and contributing to 2 additional live projects. Architected a Kafka-based event queue to absorb high-concurrency traffic spikes during large civic events, ensuring platform stability under 10–15x normal load. Engineered an AWS S3 file upload pipeline that doubled upload performance. Designed and optimised PostgreSQL schemas supporting high-volume workflows for time-sensitive government operations. Drove agile delivery across multiple concurrent projects, owning requirements, sprint planning, and production deployment end-to-end.

Full Stack Developer at IT Procesos

April 1, 2023 - December 1, 2023

Designed and built multiple full-stack applications from scratch automating critical workflows for mining sector operations. Developed RESTful APIs and managed relational databases (MySQL, PostgreSQL) using PrismaJS, ensuring data integrity for high-stakes industrial use cases. Translated Figma designs into reusable, production-ready React + Redux Toolkit component libraries. Deployed applications to cloud environments with Git version control and SCRUM delivery across the full project lifecycle.