Senior Full Stack Software Engineer (Java + Angular/React)

Who we are  

At Qualifast, we’re a small and highly skilled team based in Sofia, passionate about building high-quality software from the ground up.

We value collaboration, ownership, and transparency — every team member has a voice in company decisions and takes part in shaping how we work.

We design our processes for each project individually, following agile and lean principles, and we’re actively involved in the Bulgarian startup ecosystem.

Technologies we use:

• Backend: Java 21+, Spring Boot & Spring Framework, Hibernate, Gradle, PostgreSQL, MySQL, AWS, GCP, Docker
• Frontend: Angular 18+, React, JS, TS, Angular Material, CSS/SASS/LESS, HTML, Flexbox

What You’ll Do

As part of our team, you will:

• Build high-quality, scalable and maintainable full-stack applications
• Contribute to the architecture, design and implementation of software solutions
• Work on complex engineering challenges, delivering innovative and efficient solutions
• Develop and integrate RESTful APIs and third-party services
• Create responsive, accessible, and user-friendly web interfaces connected to backend systems
• Take end-to-end ownership of the delivery of your work
• Collaborate effectively in agile (and occasionally distributed) teams

Requirements  

• 5+ years of professional experience as a software engineer
• Strong experience building RESTful APIs with Java and Spring Boot
• Proven experience developing rich frontend applications (Angular 2+ or React)
• Very good command of English
• Ability to quickly analyze, solve, and make decisions based on sound data and reasoning
• Strives for continuous optimization and personal growth
• A curious, proactive and problem-solving mindset

Nice to Have

• Experience with additional frameworks or programming languages
• Experience with containers and cloud platforms (AWS, GCP)
• Experience with testing frameworks and CI/CD pipelines

What We Offer

• Fast and transparent recruitment process
• Performance reviews twice a year
• Additional health insurance
• Flexible working hours & hybrid work model
• Sponsored trainings and conferences
• Friendly, supportive team culture
• Regular team events

 Interested?

If this sounds like your next step, send us your CV.

We’ll contact only shortlisted candidates. All applications are treated with strict confidentiality.