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Hi, I’m Nikolajs Lozko, a full-stack software engineer focused on building scalable, data-driven applications. I’m proficient in React, Python, SQL, and microservices, with a track record of delivering performant, reliable systems. I value clean, maintainable code and collaborative teamwork, and I enjoy turning complex requirements into practical features that boost productivity and user satisfaction.…Hi, I’m Nikolajs Lozko, a full-stack software engineer focused on building scalable, data-driven applications. I’m proficient in React, Python, SQL, and microservices, with a track record of delivering performant, reliable systems. I value clean, maintainable code and collaborative teamwork, and I enjoy turning complex requirements into practical features that boost productivity and user satisfaction.

Nikolajs Lozko

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

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Hi, I’m Nikolajs Lozko, a full-stack software engineer focused on building scalable, data-driven applications. I’m proficient in React, Python, SQL, and microservices, with a track record of delivering performant, reliable systems. I value clean, maintainable code and collaborative teamwork, and I enjoy turning complex requirements into practical features that boost productivity and user satisfaction.…Hi, I’m Nikolajs Lozko, a full-stack software engineer focused on building scalable, data-driven applications. I’m proficient in React, Python, SQL, and microservices, with a track record of delivering performant, reliable systems. I value clean, maintainable code and collaborative teamwork, and I enjoy turning complex requirements into practical features that boost productivity and user satisfaction.

Available to hire

Hi, I’m Nikolajs Lozko, a full-stack software engineer focused on building scalable, data-driven applications. I’m proficient in React, Python, SQL, and microservices, with a track record of delivering performant, reliable systems.

I value clean, maintainable code and collaborative teamwork, and I enjoy turning complex requirements into practical features that boost productivity and user satisfaction.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Fluent

Work Experience

Software Engineer - Full Stack at KPMG

August 1, 2023 - July 1, 2025

Designed and developed scalable full-stack financial reporting tools using React, Python, and SQL. Contributed to microservices integration, improving system performance and increasing user productivity by 60%. Built lightweight observability tools including structured logging, dashboards, and alerting systems. Worked cross-functionally to deliver maintainable, business-critical features at scale.

Software Engineer Intern at TEAMWORK.com

January 1, 2022 - September 1, 2022

Improved backend services and enhanced iOS mobile app functionality within an Agile team. Led development of an internal chat application used by over 12,000 users.

IT and Computer Engineer Level 1 at PFH Technology Group

June 1, 2021 - October 1, 2021

Supported cybersecurity operations for the HSE and Irish Defence Forces. Conducted infrastructure audits and contributed to securing government systems.

IT Support at UCC Boole Library

February 1, 2019 - September 1, 2022

Provided technical support for systems, hardware, and users across campus.

Officer Cadet at Irish Naval Service

September 1, 2016 - January 1, 2018

Developed leadership, logistics, and operational communication skills.