Senior Full-Stack Developer

Position:
Senior Full-Stack Developer (Vanilla JavaScript / Vanilla PHP)

Company:
Finsight

Location:
Ukraine, Kyiv

Employment type:
Fulltime

Work Arrangement:
Remote

Short Summary:
We are looking for a Senior Full-Stack Developer to join our team, responsible for implementing new functionality and maintaining mission-critical systems for our technology platforms.

Responsibilities:
- Design, develop, and maintain scalable, high-performance LAMP applications
- Take ownership of major features and drive optimization/refactoring projects
- Collaborate with architects and product teams to design technical solutions
- Write clean, maintainable, and well-documented code
- Optimize SQL queries and ensure efficient interaction with large datasets
- Participate in code reviews, architecture discussions, and knowledge sharing
- Research and evaluate new technologies to improve development efficiency
- Provide production support and troubleshoot complex system issues
- Write and maintain unit and integration tests

Requirement:
- 5+ years of commercial software development experience
- 5+ years of professional experience with PHP (7.x/8.x)
- Strong experience with SQL, relational databases (MySQL/PostgreSQL)
- Strong knowledge of vanilla JavaScript
- Knowledge of front-end technologies (HTML, CSS, DOM API)
- Solid understanding of Linux CLI, Docker images, and containerization
- Understanding of Apache configuration, performance tuning, and security best practices
- Experience with API design and web services development
- Strong debugging, profiling, and optimization skills across the LAMP stack
- English level: Upper-Intermediate

Benefits:
- The friendly team
- Remote work, with the ability to return to the Kyiv office
- Informal style of leadership and communication
- Work in an Agile environment
- Participation in seminars, trainings, and conferences
- English lessons online
- Team building and other activities
- Yearly salary review
- Paid vacation, paid sick leave
- Corporate medical insurance programs from the start date
- PE accounting and support
- Referral program