About Sirma 
Established in 1992, Sirma is one of the leading IT companies in Bulgaria. Since 2015, the company has been listed on the Bulgarian Stock Exchange.
Sirma specializes in software development across multiple industries, including finance, insurance, healthcare, transportation, logistics, hospitality, retail, and e-government. With a team of more than 800+ professionals, the company delivers cutting-edge software solutions tailored to address the specific business needs and challenges of our clients. Our projects range from short engagements to multi-year collaborations on turnkey products.
As we believe that our employees are our greatest asset, we provide them with a collaborative environment and full support for their career and personal growth.

About the role
We are seeking a highly skilled Senior Full-Stack Developer – Python / TypeScript to join our dynamic team. The ideal candidate will possess a good understanding of programming principles, database management, data structures and algorithms. This role demands a comprehensive skill set that spans multiple programming languages and frameworks, with the ability to work on complex problems in both frontend and backend development.

Your responsibilities
• Design, develop, and maintain scalable backend services and APIs using Python frameworks such as FastAPI, Django, and Flask
• Build and enhance modern frontend applications using TypeScript and frameworks such as Angular, React, or Vue
• Collaborate with Product Owners, Architects, and DevOps teams to deliver end-to-end solutions
• Ensure code quality through testing, code reviews, and clean code practices
• Support CI/CD pipelines, cloud deployments, and containerized environments using Docker and cloud platforms
• Participate in technical design, troubleshooting, performance optimization, and production support
• Contribute to engineering best practices and mentor junior team members where needed

Role's requirements
• 7+ years production experience as a software developer with senior-level ownership and delivery
• Demonstrated hands-on experience across all listed technical domains within the last 12 months (evidence required via provided template)
• Strong backend development experience with Python for APIs and web/microservices (e.g. FastAPI, Django, Flask)
• Solid frontend experience building TypeScript-based SPAs (e.g. Angular, React, Vue)
• Proven experience with CI/CD pipelines, clean code practices, and maintaining high code quality standards
• Experience with cloud platforms (AWS, GCP, or Azure) and containerization technologies (e.g. Docker, Kubernetes)
• Experience designing and maintaining scalable, distributed microservices architectures
• Desirable: domain experience in energy markets, asset pricing, or trading
• Bachelor's degree in Computer Science or a related degree
• Excellent spoken and written English

What we offer 
• Personal career path 
• Individual or team professional training 
• Flexible working time 
• Cooperation with top professionals around the globe 
• Regular performance assessment 
• Additional health and dental insurance 
• Additional paid vacation days for students 
• Regular team buildings and office parties 
• Private parking zone 
• Multisport card 
• Game and relax zone 

Why Sirma should be your choice 
• Knowledge sharing 
• Interesting case studies 
• Referral bonus scheme 
• Working with cutting-edge technologies 
• Innovative and dynamic projects 
• Sport events 
• Charity campaigns 
• Fruits at the office 
• Opportunity to work from any Sirma office 
• Large terrace with great view

Apply now! 
We are waiting for your CV! 
There’s a lot going on at Sirma! 
We're looking forward to meeting our next colleague. 😊

We will contact only the candidates selected for further consideration. Confidentiality is guaranteed. We thank all candidates for applying.