Full-Stack Developer

Manpower’s client Yamsoft is an international software development company with roots in Israel and growing operations in Kaunas. Specializing in secure and scalable solutions for online payment gateways, the company helps businesses worldwide ensure smooth digital transactions.

With a focused international team, Yamsoft values technological curiosity, independence, and a results-driven mindset. It’s a great place for those who want to grow professionally and contribute to meaningful product development.

The company is currently inviting a Full-Stack Developer to help develop and maintain scalable, reliable web applications.

Your tasks and responsibilities:

• Build and maintain scalable, performant APIs using C#/.NET (ASP.NET Core).
• Develop clean, efficient user interfaces with React + TypeScript.
• Collaborate with cross-functional teams (Product, QA, DevOps).
• Follow best practices in architecture, testing, and documentation.
• Contribute to code reviews, CI/CD pipelines, and system design decisions.

You are a perfect fit if you:

• Have 5 years of experience in software development, with strong skills in C# and .NET Core (Web API, EF Core).
• Enjoy building modern front-end interfaces using React or JavaScript/TypeScript, HTML, and CSS.
• Are confident working with SQL databases (MS SQL, PostgreSQL) and version control tools like Git.
• Understand RESTful APIs, Agile methodologies, and take pride in writing clean, maintainable code.
• Bonus if you have experience in fintech or payment solutions, including Stripe, Adyen, PCI-DSS, and fraud prevention flows.
• It’s a big plus if you have knowledge of Azure, Docker, microservices architecture, and an interest in AI or machine learning as well as knowledge of non-SQL databases (e.g., MongoDB, Redis).

Joining the team you will:

• Enjoy a hybrid work model that supports flexibility and work-life balance.
• Benefit from discounts on wellness and food services.
• Work in a diverse international team using the latest technologies.
• Play an active role in driving product development.