Mid/Senior .NET Developer

Sprintax is a multi-jurisdiction, tax compliance software, which simplifies tax withholding and tax return filing for nonresidents and their employers. We understand the unique challenges faced by organizations with international employees and vendors. Our purpose-built platform is designed to support nonresidents on every step of their journey, from preparing their pre-employment payroll forms, to filing their first US tax return.

Sprintax is part of CluneTech, a suite of companies providing cutting-edge solutions that simplify global business. We have been recognised as a Great Place to Work for 9 consecutive years, a “Best Workplace for Women” for the past 5 years and most recently, we were delighted to be recognised as a “Best Workplace in Tech” for the accreditation’s second year.

Our global footprint encompasses 35 offices worldwide and we do business across 100 countries on a daily basis. In Bulgaria alone, we have 850 + employees across our offices in Varna, Veliko Tarnovo and Shumen and we’re continuing to grow!

Key Responsibilities:

- Design & Development: Write clean, maintainable, and efficient code using C#, .NET Core, ASP.NET, and related technologies to build web applications and backend services.

- Architecture & Leadership: Contribute to the design and architecture of systems, ensuring scalability, performance, and reliability. Lead the development of complex features and guide team members through technical challenges.

- Collaboration: Work closely with product managers, business analysts, and designers to translate business requirements into technical solutions.

- Code Quality: Drive the adoption of best practices for coding, testing, version control, and continuous integration. Perform code reviews to ensure the team adheres to industry standards and company guidelines.

- Mentorship: Provide technical guidance and mentorship to junior and mid-level developers, helping them grow their skills and improve their coding practices.

- Troubleshooting & Optimization: Identify and resolve performance bottlenecks and software defects. Implement optimizations to enhance application performance and scalability.

- Stay Current: Keep up-to-date with the latest .NET technologies, frameworks, and best practices. Evaluate new tools and technologies to improve development processes.

- Documentation: Maintain clear and comprehensive technical documentation for applications, APIs, and system designs.

Required Qualifications:

- Experience: 5+ years of hands-on experience in software development, with a strong focus on .NET technologies (C#, .NET Core, ASP.NET, Entity Framework, etc.).

- Technical Skills:

- Advanced knowledge of C# and .NET frameworks (ASP.NET Core, MVC, Web API).

- Strong experience with relational databases (SQL Server, PostgreSQL, MySQL) and ORM tools (Entity Framework).

- Familiarity with cloud platforms (Azure, AWS, etc.) and microservices architectures.

- Knowledge of version control systems (Git, SVN, etc.) and CI/CD pipelines.

- Experience with RESTful API design and development.

Soft Skills:

- Strong problem-solving skills and the ability to think critically and independently.

- Excellent communication and collaboration skills, with the ability to work effectively in a team.

- Ability to mentor and support the professional development of junior developers.

- Education: Bachelor’s degree in Computer Science, Software Engineering, or a related field (or equivalent experience).

Preferred Qualifications:

- Experience with cloud-native development (AWS Lambda, Azure Functions, etc.).

- Familiarity with containerization (Docker, Kubernetes).

- Knowledge of Agile development methodologies (Scrum, Kanban).

- Experience with DevOps practices and CI/CD tools (Azure DevOps, Jenkins, GitLab CI).

At Sprintax, We are a community of like-minded individuals committed to excellence in everything we do. We create an innovative, collaborative, and supportive workplace that allows our brilliant people to unleash their potential.

Recognised as a both a Great Place to Work and Deloitte Best Managed Company, we believe that recognition goes much deeper than just financial rewards. Therefore, in addition to a competitive salary, we also offer an exclusive benefits package that includes:

• Flexible Working Policy with a combination of remote and office working
• Multisport Cards
• 22 Annual Leave Days for all employees plus additional days with length of service
• Lifework days: ½ day each quarter to get your life work done
• Additional Health Insurance including dental and vision care
• Team Buildings & Parties
• Life Insurance
• Refer a Friend Bonus
• Discounts across various stores, theatres, restaurants
• Employee-led CSR Programme, CluneTech Cares, with one paid Volunteer Day per year
• CluneTech Life – corporate wellness program
• Monthly Food Vuchers
• Company Paid Trainings & Learning Accounts
• #OneTeam Awards and Annual Employee of the Year Awards
• Milestone Recognition Program
• Free Sports: Football, Tennis, Volleyball
• Employee Assistance Program
• Meeting Free Days – a specific no meeting day where we encourage no meetings so you (and your team) can focus on getting things done!
• Compassionate Leave: up to 4 weeks paid leave for the loss of a loved one
• Compassionate Leave for pets: up to 2 days
• 5 days company-paid Miscarriage / Pregnancy Loss Leave (applicable for partner also)

We would like to thank you for your interest in this role. Please note that only shortlisted applicants will be contacted for an interview.

At Sprintax, we’re proud to be an equal opportunities employer. Qualified applicants will be considered without discrimination on the basis of gender, marital status, family status, sexual orientation, religion, age, disability and race. This position is also suitable for individuals with permanent impairments (with ≥50% incapacity) who have no medical preventatives to be employed.

Please note that when applying for a position with CluneTech, you voluntarily submit your personal data. This data will be processed for the following purposes: selection of candidates for this position; selection of candidates for future positions occurring within the next 6 months, unless you explicitly state your disagreement; connecting with candidates in connection with the objectives of labor market selection and research; signing an employment or other type of contract. Personal data provided for these purposes will be retained for up to 6 months. You have the right to request the deletion, correction or blocking of personal data.