Senior Java Engineer (Java)

TL;DR

Senior Java Engineer (Java): Design and develop modern, scalable, and high-performing enterprise applications for the healthcare domain, with an accent on microservices architecture, RESTful APIs, and event-driven systems. Focus on producing high-quality, secure code, solving complex problems, and contributing to an established Scrum process.

Location: Hybrid in Plovdiv, Bulgaria

Company

Tieto is a leading software and digital engineering services corporation with global market reach, providing mission-critical solutions across various industries.

What you will do

• Design and develop modern, scalable, and high-performing enterprise applications.
• Review and analyze business requirements and provide technical perspective.
• Produce high-quality code implementing all security principles.
• Mentor other developers and participate in code reviews.
• Participate successfully in an established daily Scrum process and communicate frequently with clients.

Requirements

• 5+ years of experience with Java (11+) and microservices architecture, including hands-on work with Spring Boot and Spring Data.
• Strong experience designing, implementing, and documenting RESTful APIs using OpenAPI / Swagger.
• Demonstrated knowledge of implementing OAuth2 / JWT-based authentication.
• Solid expertise in Apache Kafka and event-driven architectures.
• Practical exposure to AWS cloud services and deploying applications in Kubernetes environments.
• Strong familiarity with NoSQL databases, including query optimization and execution plan analysis.
• Working knowledge of CI/CD pipelines such as Jenkins or GitHub Actions.
• Strong background in writing unit tests and end-to-end (E2E) tests for large-scale systems.
• Proven track record of delivering complex software solutions to production.
• Excellent spoken and written English language skills.

Nice to have

• Experience in healthcare-related projects, especially involving compliance (e.g., HIPAA, GDPR).
• Familiarity with microservices architecture and containerization (Docker, Kubernetes).
• Proficiency with Flyway or Liquibase.
• Experience leading technical initiatives or epics.
• Hands-on knowledge of logging and monitoring tools (CloudWatch, Splunk, Dynatrace, etc.).

Culture & Benefits

• Opportunity to work on impactful, global projects for recognizable brands.
• Thrive in a collaborative environment and enjoy solving complex problems.
• Commitment to openness, trust, diversity, equity, and inclusion.