Jesse Jut

Full-stack developer with a strong backend focus in PHP and Symfony, plus hands-on experience building frontend features in React. Skilled in creating clear, maintainable application logic, improving existing systems through targeted refactoring, performance tuning and careful review of incoming contributions. Experienced in mentoring junior developers, leading parts of larger projects and working in collaborative, multilingual teams. Fluent in English and German.

Intermediate Web Developer at Valantic DXA (2024-01 – 2026-06)

• Led backend design and development of a customer-targeting campaign feature, including the data model and REST API, achieving a 4.77% contract-update rate against a projected 1%, nearly 5× the expected outcome.
• Designed and implemented the relational database schema for a management tool built for an insurance broker client, including employee status tracking and complex form-driven policy calculations, and led backend development that delivered well enough to win further contracts from the same client.
• Led end-to-end development of a full-stack feature integrating a third-party postal service API, letting users auto-calculate delivery costs by postal code. This eliminated manual lookups in an external system and consolidated the workflow into one tool
• Mentored junior developers and apprentices, helping them grow through code reviews, architectural guidance and practical problem-solving
• Supported frontend development on React-based projects, building components and integrating them with backend APIs

Junior Web Developer at Valantic DXA (2022-11 – 2023-12)

• Contributed mainly to backend development with PHP and Symfony across multiple ongoing projects
• Worked on frontend tasks when required, especially within React-based components and integration points
• Used Symfony and Twig to build and extend content-driven features
• Learned and applied team workflows (version control, code review, CI/CD), gradually taking on more complex tasks as responsibilities increased

Web Developer (Apprentice) at Priskon (2019-09 – 2022-07)

• Completed a full apprenticeship program focused on application development, working on production PHP, Laravel, SQL and Vue.js projects for real clients
• Completed all training, coursework, and client communication entirely in German as a non-native speaker

IT Specialist for Application Development in Application Development – Staatliche Berufsschule Fürstenfeldbruck (State Vocational School — Fürstenfeldbruck) (2019 – 2022)