Hyand Lithuania

(Senior) Full Stack Developer (m/f/d)

Added 2 weeks ago

Seniority level:

Senior specialist

Skills:

Java , 5 yrs.
Frontend Development , 5 yrs.

Languages:

English B2 - Upper intermediate
Experience:
5 yrs. minimum in Information Technology & Services
Monthly salary (gross):
4500 €
Contract type:
Full-time
Location:
Kaunas, Vilnius
Hyand Lithuania logo

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Job description

(Senior) Full Stack Developer (m/f/d)

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 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 lead the designing 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.

Must-have-Requirements

  • 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).
  • 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-Requirements

  • 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.


Hyand Lithuania logo
Founded in 2021
Employees 28
Avg. monthly salary 3845.35 €
Connect on:

About Hyand Lithuania

The Hyand Group is a dynamic IT company founded in 2024 through the merger of two prominent German IT service providers, GOD (est. 1985) and MT (est. 1994). Operating from 16 locations in Germany and with offices in Lithuania, Poland, India, Romania, and Germany, Hyand brings together over 900 diverse professionals. This diversity enhances our ability to deliver tailored, end-to-end IT solutions across industries like automotive, retail, finance, and the public sector, as well as aviation, telecom, and energy. Using Agile and Scrum methodologies, we ensure efficiency and innovation. Hyand also offers professional growth through its Academy, fostering technological leadership and sustainability.

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