Senior Software Engineer (Kotlin, JVM) - OP02147-OS

🟢 AtDev.Pro, a US-based company, we're looking for contractors to work on projects that impact millions of people around the world. But we know it’s the people behind the tech who make it all happen, and we're looking for individuals who share our values and passion for making a difference.
We truly value what makes each person unique and are building a workplace that’s inclusive, friendly, and supportive.

We invite a Senior Software Engineer with strong JVM expertise to join our team and help build and enhance backend platforms in the healthcare and digital services domain. Our client is a technology consulting company delivering secure digital payment and healthcare solutions for regulated industries. You’ll contribute to the development of identity card issuance systems used by healthcare professionals and organizations.

🟩 What's in it for you:

• Work hands-on with a modern JVM ecosystem, including Java, Kotlin, Spring Boot, and Ktor
• Gain strong expertise in regulated healthcare systems, including secure identity card issuance products
• Join a team that values ownership, collaboration, knowledge sharing, and continuous improvement

✅ Is that you?

• 5+ years of experience in JVM-based backend development (Java and/or Kotlin)
• Strong experience building complex, production backend systems (microservices or distributed systems)
• Solid experience with relational databases (SQL) and ORM tools
• Hands-on experience with Git (GitLab)
• Experience working with containerized environments (Docker)
• Strong understanding of clean code principles, code quality tools (Sonar), and automated testing (TDD)
• Proven experience delivering software end-to-end into production
• Experience working in cross-functional Agile teams
• Upper-Intermediate+ English level and strong communication skills
• Ownership mindset with the ability to drive tasks independently and take responsibility for delivery
• Excellent collaboration skills with willingness to share knowledge and contribute to team growth

Desirable:

• Experience with Spring Boot and/or Ktor
• Experience with CI/CD pipelines (GitLab CI)
• Familiarity with Gradle
• Experience designing or working with APIs (REST, JSON, SOAP/SFTP)
• Exposure to NoSQL databases (MongoDB)
• Experience with messaging systems (Kafka, RabbitMQ)
• Experience in regulated or healthcare environments
• Exposure to secure identity card issuance or payment systems
• Willingness to work remotely and occasionally travel for team meetings

🧩Key responsibilities and your contribution

In this role, you’ll develop and maintain backend services for secure healthcare platforms, working in a cross-functional team to deliver reliable software from design to production.

• Design, develop, and maintain backend services for secure healthcare platforms
• Own features end-to-end throughout the full development lifecycle, from design to production
• Build and improve backend functionality to ensure scalability, stability, and performance
• Collaborate closely with product managers, engineers, and stakeholders in an Agile cross-functional team
• Ensure high product quality through automated testing, code reviews, and CI/CD practices
• Investigate and resolve production issues, ensuring stable and efficient system performance
• Contribute to technical discussions and architectural decisions, aligning solutions with product goals
• Share knowledge, mentor engineers, and help improve team practices and documentation

🎾 What's working at Dev.Pro like?

✔️ 30 paid days off each year — use them for vacation, holidays, or personal time
✔️ 5 paid sick days, up to 60 days of medical leave, and 6 paid days off for family events like weddings, funerals, or having a baby
✔️ Partially covered health insurance - after probation
✔️ Wellness bonus for gym memberships, sports nutrition, and similar needs

Our next steps:

✅ Submit a CV in English — ✅ Intro call with a Recruiter — ✅ Internal interview — ✅ Client interview — ✅ Offer

Interested? Find out more:

📋How we work

💻 LinkedIn Page

📈 Our website

💻IG Page