Job Description: Senior Fullstack Engineer
Position Overview:
Maersk Group are in the process of strengthening its application development organization with a focus on driving ownership, predictability, agility, and lowering time to delivery.
As part of this exciting growth, we are seeking an experienced and proactive Senior Fullstack Engineer to join our team in maintaining and evolving a production-ready platform. As the system has already been built and deployed, this role will focus on supporting live operations, enhancing performance, and driving new feature development based on user needs and business priorities.
The role will involve contributing on to a cross functional agile team. You will work on improving scalability, reliability, and observability, while contributing to a secure, event-driven microservices architecture. This is a high-ownership role requiring deep backend expertise, problem-solving ability, and a mindset for continuous improvement.
Key Responsibilities:
Feature Enhancements & Iteration
- Collaborate with product and frontend teams to design and deliver new features and APIs that align with business needs.
- Refactor and optimize existing services to enhance performance and maintainability.
- Apply Test-Driven Development (TDD) and/or Behaviour-Driven Development (BDD) practices to ensure robust, verifiable functionality.
- Ensure backward compatibility and data integrity during feature rollouts.
Infrastructure & CI/CD
- Manage and deploy services in Kubernetes across AWS/GCP/Azure/Private Cloud environments.
- Maintain and improve CI/CD pipelines using GitHub Actions, enabling faster and safer releases.
Platform Support & Reliability
- Monitor and maintain production backend services to ensure high availability, performance and resilience.
- Quickly investigate and resolve issues across distributed systems, with strong debugging and root cause analysis skills.
- Use observability tools like Prometheus, Grafana and distributed tracing to proactively detect anomalies.
- Participate in incident response processes, including on-call support if needed and contribute to postmortems and preventive actions.
Collaboration
- Work closely with other engineers and stakeholders to plan, prioritize and deliver features/improvements.
- Participate in code reviews, architecture discussions and mentoring of junior team members.
- Champion best practices in event-driven design, DDD, clean code and secure access via RBAC.
Required Skills:
- 8-12 years of professional backend development experience.
- Proficiency in Kotlin/Java, React/Angular/Vue or similar JVM-based languages.
- Proficiency in Spring Framework (Core, Boot, Reactive Stack and Servlet Stack)
- Hands-on experience with Apache Kafka and Kafka Streams(plus)
- Deep knowledge of Event-Driven Microservices and DDD patterns.
- Experience implementing RBAC and working with Keycloak, OAuth2/OIDC and LDAP.
- Proven experience with TDD/BDD methodologies for backend development.
- Strong experience with Kubernetes and container orchestration.
- Experience in cloud platforms (AWS, GCP, Azure) and Private Cloud infrastructure.
- Solid experience with SQL based database(PostgreSQL) and MongoDB.
- Familiarity with GIS systems like GraphHopper/OpenStreetMap is a strong plus.
- Experience using Prometheus, Grafana and GitHub-based CI/CD workflows.
- Understanding of DevSecOps, Lean Development and automation-first mindset.
- Experience with build tools such as Maven and Gradle for managing dependencies and project builds.
- Strong understanding of version control using Git – branching strategies, pull requests, and code reviews.
- Experience with Keycloak, OAuth2/OIDC and LDAP-based authentication systems.
- Strong problem-solving skills and ability to work in a collaborative, fast-paced environment.
Preferred Skills:
- Knowledge of distributed system design and data streaming best practices.
- Exposure to frontend technologies or APIs consumed by modern UIs.
- Experience in Agile or Scrum-based teams.
- Familiarity with MapLibre or any frontend mapping libraries (a plus for collaboration).
Maersk is committed to a diverse and inclusive workplace, and we embrace different styles of thinking. Maersk is an equal opportunities employer and welcomes applicants without regard to race, colour, gender, sex, age, religion, creed, national origin, ancestry, citizenship, marital status, sexual orientation, physical or mental disability, medical condition, pregnancy or parental leave, veteran status, gender identity, genetic information, or any other characteristic protected by applicable law. We will consider qualified applicants with criminal histories in a manner consistent with all legal requirements.
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