Tech Lead – Java & AWS

Datamatics Technologies; Warszawa; Hybrid; PLN 349,000 - 465,000; Full time

Job summary

Datamatics Technologies in Gothenburg, Sweden, seeks an experienced Tech Lead for a 50/50 split between architecture and hands-on development. You will guide a multi-disciplinary team across two-week sprints and ten-week increments, shaping backend services with Java/Spring Boot and AWS Serverless while engaging with DevOps and domain architects.

The role demands strong collaboration, modern DevOps practices, and hands-on delivery in a hybrid, office-centered setting.

Qualifications

• 8+ years of relevant software development experience.
• Hands-on Java backend development with Spring Boot.
• Experience in software architecture and DevOps delivery.
• Willing to stay hands-on rather than purely managerial.

Responsibilities

• Provide technical leadership to the development team.
• Balance hands-on coding with architecture and design.
• Design, develop and maintain Java/Spring Boot backend services.
• Contribute to architectural decisions aligned with domain goals.
• Design microservices and AWS serverless solutions.
• Collaborate with domain architects, developers and DevOps.
• Participate in code reviews, solution design and CI/CD.
• Promote TDD and strong engineering practices.

Skills

Tech Lead experience

Communication skills

Java backend

Spring Boot

TypeScript

AWS serverless

Microservices design

SQL/NoSQL

GitHub

Asynchronous programming

Unix/Linux

TDD

CI/CD/DevOps

Agile / Scrum / SAFe / Kanban

Education

Bachelor's Degree in Computer Science or related field

Graduation / Bachelor's Degree

Tools

Docker

AWS CDK

AWS CodePipeline

Job description

JOB DESCRIPTION

Tech Lead – Java & AWS

Gothenburg, Sweden | Hybrid | Senior / Tech Lead

Work Mode: Hybrid, mainly office-based

Experience: 8+ years relevant experience

Education: Minimum Graduation / Bachelor's Degree

About the Role

We are seeking an experienced Tech Lead who can bridge hands-on software development and software architecture. The role is split approximately 50% between architecture and 50% between software development, requiring strong communication and close collaboration with domain architects, developers and the wider DevOps organization. You will join a diverse team working in two-week sprints and ten-week program increments within a domain of four teams and approximately 24 people.

Key Responsibilities

• Provide technical leadership, direction and guidance to the development team.
• Balance hands-on software development with software architecture and solution design responsibilities.
• Design, develop and maintain high-quality backend services primarily using Java and Spring Boot.
• Contribute to architectural decisions and ensure solutions align with the broader domain architecture.
• Design and develop microservices-based and AWS serverless solutions.
• Work with TypeScript as part of application development.
• Collaborate closely with domain architects, developers, DevOps professionals and other stakeholders.
• Participate in technical discussions, solution design, code reviews and development activities.
• Design and work with SQL and NoSQL data solutions.
• Develop and support asynchronous application components and distributed systems.
• Contribute to CI/CD pipelines, GitHub-based development and modern DevOps practices.
• Promote Test-Driven Development (TDD), maintainability and high-quality engineering practices.
• Work effectively in Unix/Linux environments and Agile delivery models including Scrum, SAFe and Kanban.
• Support reliable, maintainable and scalable software solutions while communicating technical concepts clearly across teams.

Must-Have Skills

• Proven experience in Tech Lead or Team Lead roles
• Excellent communication and collaboration skills
• Advanced Java backend development
• Spring Boot
• TypeScript
• AWS, particularly serverless services and development
• Microservices architecture, design and related software architecture concepts
• Database skills covering SQL and NoSQL
• GitHub
• Asynchronous programming
• Unix / Linux
• Test-Driven Development (TDD)
• CI/CD and DevOps practices
• Agile ways of working, including Scrum, SAFe and/or Kanban

Good-to-Have Skills

• Automotive industry experience
• Automotive connectivity / connected applications experience
• AWS CDK
• AWS CodePipeline
• Docker
• Additional serverless development experience
• Understanding of scalability and experience with load testing
• Application profiling and performance optimization

Education

• Minimum: Graduation / Bachelor’s Degree.
• Preferably in Computer Science, Information Technology, Software Engineering, Computer Engineering, or a related technical discipline.

Experience

• 8+ years of relevant software development experience.
• Strong background in Java backend development with demonstrable Tech Lead / Team Lead responsibilities.
• Hands-on experience with software architecture, cloud-based applications and modern DevOps delivery.
• Must be comfortable remaining hands-on with development rather than working solely in an architectural or managerial capacity.

Working Environment

• Location: Lindholmen, Gothenburg, Sweden
• Work setup: Hybrid, with work expected to be performed mainly from the office
• Delivery model: DevOps / Agile
• Sprint cadence: Two-week sprints
• Domain structure: Four teams and approximately 24 people