Lead Java Developer

About Consid

Consid is an award-winning Swedish IT consulting company with over 25 years of experience helping organizations navigate digital transformation through technology, innovation, and people. Founded in Sweden, we have grown into an established technology partner for businesses across Scandinavia and Europe.

Our Scandinavian roots are an important part of who we are and how we work. We value trust, openness, collaboration, and a healthy work-life balance. We believe in giving people responsibility, encouraging initiative, and creating an environment where every perspective matters.

We are continuing to expand our presence in Poland, with our Polish headquarters in Gdańsk. We are strengthening our local capabilities and building dedicated teams to support international customers while bringing the same Scandinavian approach to working together into our Polish organization.

Start date: January

Duration: until June with possibility to extension.

Contract: B2B

About the role

We are looking for an experienced Lead Java Developer to join a retail technology project focused on product information and large-scale data processing.

In this role, you will combine hands-on backend development with technical leadership, working with a cross-functional team to build and operate scalable services that support product discovery and filtering. You will have real influence on technical decisions and take ownership of solutions throughout the full development lifecycle.

Responsibilities

• Design and develop backend services using Java and Spring Boot
• Build and maintain microservices and event-driven solutions
• Work with large volumes of product data coming from multiple sources
• Design and develop REST APIs
• Translate business requirements into scalable and maintainable technical solutions
• Take ownership of the full delivery lifecycle, including development, testing, deployment, monitoring, and support
• Drive technical decisions and participate in architecture discussions
• Conduct code reviews and support other developers
• Improve the reliability, maintainability, and performance of existing services
• Collaborate closely with business stakeholders and other engineering teams

Requirements

• Strong commercial experience with Java and Spring Boot
• Solid experience with microservices architecture
• Hands-on experience with event-driven architecture
• Practical knowledge of Apache Kafka, Redpanda, or similar messaging technologies
• Experience designing and working with REST APIs
• Good experience with AWS
• Experience with MongoDB
• Knowledge of automated testing and CI/CD practices
• Experience with Docker
• Experience with Infrastructure as Code, preferably Terraform or AWS CDK
• Ability to combine technical leadership with hands-on development
• Strong ownership, communication, and collaboration skills

Nice to have

• Experience with MongoDB Atlas
• Testcontainers
• Gradle
• GitHub and Renovate
• Monitoring and troubleshooting using Kibana
• Python or Svelte
• Previous experience in retail, e-commerce, or product information systems

Why Join Consid?

Scandinavian Work Culture Our Swedish heritage influences how we work. We believe in open communication, mutual trust, collaboration, and giving people the autonomy to take responsibility for their work.

An Established Company with a Growing Presence in Poland Consid combines the stability and expertise of an established international organization with the opportunities that come from expanding our teams and operations in Poland.

International Programmes and Collaboration Work with experienced international teams and contribute to a large, complex programme for a customer in the telecommunications industry.

Professional Growth and Knowledge Sharing We value continuous learning, specialist expertise, and long-term professional relationships. Our goal is to create an environment where people can share knowledge, develop their skills, and feel supported in their careers.

A Chance to Contribute to Our Growth in Poland As we continue to develop our local teams, you will have the opportunity to contribute to the knowledge-sharing culture and professional community we are growing within Consid Poland.