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Senior Full Stack Developer (m/f/d)

  • Hybrid
    • Vilnius
    • Kaunas
    +1 more
  • Hyand Lithuania
  • Angular, DevOps, Junit, React, SCRUM, Selenium

Job description

We are looking for a Senior Fullstack Developer to join our team and take ownership of designing and delivering scalable, high-performance software solutions. You will design and lead the implementation of technical solutions for new tenders, mentor junior and mid-level developers, and participate in the hiring process by conducting technical interviews. As a senior developer, your primary focus will be on backend development, but you will also contribute to frontend applications and cloud infrastructure. You’ll work with modern technologies across the stack in a collaborative Agile environment.

Responsibilities:

  • You will design and lead implementation of technical solutions for new tenders.

  • Design and develop scalable backend solutions primarily using Java and Spring Boot.

  • Collaborate with architects and product owners to define system architecture and API contracts.

  • Build and maintain frontend features using React or Angular.

  • Mentor junior and mid-level developers through code reviews, pair programming, and technical guidance.

  • Participate in the interview process to help identify top engineering talent.

  • Ensure code quality through automated tests (unit, integration, end-to-end).

  • Deploy and monitor services using DevOps tools and best practices.

  • Work closely with cross-functional teams in an Agile/SCRUM environment.

Job requirements

Must-have:

  • Successfully completed degree in computer science, business informatics or comparable training (e.g. IT specialist for application development).

  • Several years of experience with Java.

  • Strong experience with Spring Framework (Spring Boot, Spring Security, Spring WebFlux).

  • Solid understanding of SQL and experience with PostgreSQL or other relational databases.

  • Experience with JUnit 5, Mockito, or similar tools for automated testing.

  • Experience working with REST APIs, OAuth2, and OpenAPI Specification.

  • Experience in JavaScript/TypeScript and frontend development using React or Angular.

  • Cloud experience with AWS (Lambda, EC2, DynamoDB, SQS, IAM, EKS) or Azure.

  • Familiarity with containerization and orchestration tools like Docker and Kubernetes.

  • Experience with CI/CD pipelines using GitLab CI or GitHub Actions.

  • Excellent communication and leadership skills.

Nice-to-have:

  • Experience with Python for scripting or data tasks.

  • Knowledge of MongoDB, AWS DynamoDB, or other NoSQL databases.

  • Familiarity with Apache Kafka and Schema Registry.

  • Experience with Ansible, Helm, and Infrastructure as Code.

  • Exposure to Auth0, PingFederate, or Microsoft Entra ID for authentication/SSO.

  • Familiarity with Prometheus, Grafana, DataDog, or similar monitoring tools.

  • Experience with JMeter, WireMock, or performance and service virtualization tools.

  • Exposure to Machine Learning (ML) or AI concepts is a plus.

  • Experience in automated UI testing using Selenium or similar tools.

What we offer:

  • Private health care – feel secure with comprehensive medical coverage.

  • Company-sponsored lunches – enjoy meals with your team.

  • Monthly gym allowance – stay active and support your well-being.

  • Extra vacation days – take the time you need to rest and recharge.

  • Language learning opportunities – improve or learn new languages with our support.

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About Hyand

Hyand – your partner on the path to digital transformation.

What drives us is your future readiness. Side by side, we help shape your digital DNA—with mutual respect, deep expertise, and a focus on what truly matters. Together, we create clarity in a dynamic environment, streamline digital processes, and prepare your business for tomorrow. Step by step, but always with measurable success. Because our focus is on added value, not just possibilities.

With technology and industry expertise, we support you from requirements analysis to architecture, software development and implementation through to operation. We support you in future-proofing your IT infrastructure and using data profitably. We use modern technologies and individual solutions to optimize digital processes and tap into new potential. Whether in automotive, retail, banking and insurance, or the public sector – we understand industry-specific needs and deliver smart technologies where they create real value.

Behind it is a team of around 900 colleagues in Germany, Poland, Lithuania, Romania, and India—highly skilled, tightly connected, and working seamlessly across locations.

Highly exciting IT projects

You ill benefit from exciting IT projects and work with agile teams to drive the IT world forward. Exciting IT projects.

Valuable impact

With your expertise, you will design solutions for our customers that will secure their future in the long term.

Excellent development opportunities

Further training and promotion desired – we will ensure that you have opportunities for advancement and can continue to develop your skills.

At Hyand, we offer a professional environment where you will engage in challenging assignments, contribute to company-wide initiatives, and collaborate with an international team of experts. We value the unique perspectives and skills that each individual brings, recognizing that diverse teams drive innovation and success. 

Hyand is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. We do not discriminate based on gender, age, sexual orientation, sexual identity, ethnicity, religion, or disability. All qualified candidates are encouraged to apply. 

Join us and help shape the future in an environment where your uniqueness is valued and your contributions truly matter.

Your contact person

Neringa

Neringa Lenciauskaite Head of Group Sourcing