The Role

We are looking for a Senior Backend Engineer with Node.js expertise to build robust, scalable, and secure microservices for a SaaS platform. You’ll work with AWS, focusing on creating new serverless solutions and migrating existing services.

What you will do

  • Design and implement server-side logic, RESTful APIs / GraphQL endpoints, and backend services.
  • Develop scalable, maintainable, and efficient code following industry best practices.
  • Design and optimize database schemas.
  • Write complex queries and procedures for efficient data handling.
  • Integrate external services, APIs, and third-party systems.
  • Participate in system architecture and design discussions.
  • Implement unit, integration, and API tests to ensure application reliability.
  • Participate in code reviews to maintain high development standards.
  • Work closely with frontend teams, DevOps engineers, product owners, and business analysts.
  • Contribute to agile ceremonies, such as sprint planning, stand-ups, and retrospectives.

Requirements

  • Extensive experience with Node.js.
  • Expertise in designing and developing robust RESTful APIs.
  • Proficiency with relational databases, specifically PostgreSQL, MySQL, or MSSQL.
  • Hands-on experience with cloud infrastructure, particularly on the AWS platform.
  • Strong knowledge of containerization technologies, with practical experience using Docker and an understanding of Kubernetes.
  • Solid experience with CI/CD pipelines, particularly implementing and managing workflows using GitHub Actions.
  • Proven ability to write and implement unit tests (e.g., JUnit or similar frameworks).
  • Advanced proficiency with Git and GitHub for version control.
  • Strong problem-solving and analytical skills.
  • Effective communication with technical and non-technical stakeholders.
  • Collaboration and teamwork across multidisciplinary teams.
  • Attention to detail and code quality
  • Ownership of deliverables and ability to drive tasks to completion.
  • Adaptability to different technologies, frameworks, and business domains.

What we offer

  • Hybrid/flexible working model and flexible working hours
  • Private Medical and/or Health Insurance (location dependent)
  • Length of Service Awards
  • Referral programme
  • The option of a cafeteria package, meal tickets, or team lunches (location dependent)
  • A culture of continuous growth, supported by our People Lead system and various training resources for your personal development
  • Agile mindset, simplified processes, and a great atmosphere where commitment and autonomy are celebrated
  • A community-first mindset, working with talented people across technology products and consulting
  • Charity events and programs
  • Salary range: 3600 – 5900 EUR gross/month (Note: the specific amount will depend on your experience and competencies.)

(*) As we hire permanent employees for this role, we offer remote opportunities only in Lithuania.

Additional benefits based on location:

Lithuania:

Discount benefits platform, the opportunity to work from abroad (max. 60 days per annum)

About us

Zenitech is a leading technology solutions provider dedicated to reshaping the global digital landscape. Headquartered in the UK, Zenitech operates internationally, with offices in Lithuania, Romania, and Hungary.

We use a bespoke approach depending upon where the client is on their digital journey, comprising a combination of access to dedicated R&D labs, technology implementation advice, and specialist nearshore development talent. As an international community of individuals who are open to learn from each other, we collectively define and input into the digital future of the clients’ businesses.

Why Zenitech?

  • Impactful Projects: Drive meaningful change through digital transformation projects and have an opportunity to make an impact on many different industries.
  • Collaborative Culture: Be part of a diverse, inclusive team committed to growth, innovation, and continuous learning.
  • Professional Growth: Zenitech supports continuous learning and development through the People Lead system, helping you advance your skills and career.

Diversity and Inclusion

Zenitech celebrates diversity in all its forms. We aim to create an inclusive environment where everyone feels valued for their unique contributions and perspectives. If you require any adjustments during the application process, please let us know—we’re here to help. Our commitment to diversity, equity, inclusion, and belonging can be found here.