Lead Java Developer

We are seeking an experienced Lead Java Developer with advanced architectural capabilities to take complete ownership of the technical foundation of the project. This role is ideal for a candidate who thrives in a collaborative environment, has strong technical leadership skills, and is eager to contribute to well-designed, extensible software systems that drive scientific innovation.

We are a high-performing product team dedicated to developing and maintaining software systems that enable the research organization to order samples and chemicals critical to groundbreaking scientific studies.

Feel free to work remotely from anywhere across Lithuania or connect with colleagues at our Vilnius and Kaunas offices.

Responsibilities

• Collaborate with the Technical Lead, Product Manager, Product Operations Manager, and engineering team to develop the application's functionalities
• Engage with the application's power users and business representatives as needed during development
• Transform user requirements into functional requirements and robust design specifications
• Design, develop, and enhance software patterns, including authentication/authorization mechanisms, HTML/JavaScript frontends, web services, lambda functions, scheduled jobs, and integrations
• Improve and refactor the application's integration layer code while adhering to established coding styles
• Design clear interfaces and pattern-based software with scalability and extensibility in mind
• Create thorough automated integration tests to ensure functionality and maintains technical documentation
• Oversee system lifecycle management, including necessary migrations and retirements of software components
• Utilize creativity to address technology-based obstacles and streamline development processes by removing impediments
• Ensure alignment with the outstanding engineering practices of the software engineering organization

Requirements

• Master’s degree in computer science, software engineering, or a related field, with extensive experience (10+ years) in applied informatics and software development
• Proven expertise in developing full-stack applications using Java, JavaScript (React, NodeJS, Material-UI, Redux, Jest, etc.), TypeScript, NestJS, HTML, Oracle PL/SQL, PostgreSQL, and Terraform
• AWS cloud specialization (5+ years) leveraging services including EC2, ECS, RDS, ALB, ASG, SAM, ACM, CloudWatch, Internet Gateway, Lambdas, Network Load Balancer, and Secrets Manager
• Hands-on experience with DevOps tools such as BitBucket, GitHub, and Git for source control; Jira and Confluence for project management; Jenkins for CI/CD pipelines; Maven for dependency management; and Docker for containerized application deployments
• Competency in modern Java and JavaScript frameworks/libraries, relational data modeling, event-driven architectures, messaging systems, and RESTful web service design with JSON and XML
• Understanding of advanced authentication and authorization mechanisms including OAuth2, SAML, and JWT

Nice to have

• Familiarity with controlled substance systems or procurement integrations (SRM, Ariba)
• Background in large-scale software migrations, particularly migrating TypeScript-based codebases to Java
• Showcase of implementing KAFKA integrations and managing complex message queuing workflows
• Understanding and hands-on experience with Terraform or other infrastructure-as-code solutions

We offer

• Engineering Heritage: Best-in-class experts sharing a culture of engineering excellence and tackling complex engineering challenges for over 30 years.
• Advanced Tech Stack: Innovative projects where you can apply or enhance your expertise in Cloud, Data, AI, and other emerging technologies
• World-Class Clients: Work closely with 295+ of the Forbes Global 2000 on creating disruptive solutions that make a global impact
• Professional Growth: Exceptional support for career development with comprehensive resources for upskilling or reskilling in pioneering practices
• GenAI Community: Strong AI competencies with 600+ experts across 55+ locations driving GenAI-enabled transformation journeys
• Entrepreneurial Culture: If you're passionate and dedicated to improving business transformation, we provide the support you need to bring your ideas to life
• Hybrid Setup: The flexibility to work from any location in Lithuania, whether it's your home or our dynamic offices in Vilnius and Kaunas
• Other Benefits: Additional vacation and trust days, private health insurance, Employee Stock Purchase Plan and more

Salary range €4.5K-€6.5K gross, based on your experience and interview results.

About EPAM

EPAM is a leading global provider of digital platform engineering and development services. For over 30 years, our team has helped leading brands navigate the waves of digital transformation, building solutions that help them stay competitive through constant market disruption.

With offices in 55+ countries, EPAM has grown in Lithuania to over 1,200+ talented innovators in just 4 years. We foster creativity and unconventional ways of doing things, welcoming like-minded professionals to join us