JL4 Senior Software Engineer – Full Stack & Platform Engineering
Confirmed on the employer's own hiring board on Oct 19, 2026. First seen by Alion on Oct 15, 2026. Maersk scores B on the Alion truth index.
About Maersk
A.P. Moller - Maersk is an integrated logistics company responsible for moving nearly 20% of global trade every year. With over 100,000 colleagues across 130 countries, we are connecting and simplifying global supply chains to help our customers grow and thrive.
As part of our vision to become the world's leading logistics integrator, we are transforming how work gets done by combining automation, data, and artificial intelligence to create smarter, faster, and more autonomous operations.
We are looking for passionate innovators who want to shape the future of logistics through AI-powered automation.
WHO WE ARE
At Maersk, we are building modern digital workplace and enterprise platforms that enable scalable, reliable, and secure experiences for our employees and customers. Our engineering teams develop cloud-native applications, APIs, integrations, and observability capabilities that support critical business operations across the organisation.
The Position
As a Senior Software Engineer - Full Stack & Platform Engineering, you will design, develop, and maintain enterprise-grade applications and platform services using Java, Spring Boot, ReactJS, PostgreSQL, APIs, and cloud-native technologies.
You will be responsible for delivering scalable backend services, intuitive frontend experiences, robust integrations, and highly observable systems. The role requires hands-on technical expertise across architecture, development, CI/CD, observability, and production support while collaborating closely with product and engineering teams.
Key Responsibilities
Backend Engineering
- Design and develop scalable microservices using Java and Spring Boot.
- Build secure, reusable, and maintainable REST APIs and integration services.
- Implement asynchronous and event-driven solutions where appropriate.
- Optimize application performance, scalability, and reliability.
Frontend Development
- Develop modern web applications using ReactJS.
- Build reusable UI components and follow enterprise design standards.
- Ensure responsive, accessible, and high-performing user experiences.
- Collaborate with UX and Product teams to deliver intuitive solutions.
Database & Data Engineering
- Design and optimize PostgreSQL database schemas.
- Develop efficient SQL queries, indexing strategies, and performance improvements.
- Ensure data integrity, consistency, and application reliability.
- Support database migration and data validation activities when required.
Solution Design & Architecture
- Contribute to High-Level Design (HLD) and Low-Level Design (LLD) documentation.
- Participate in architectural reviews and technical design discussions.
- Drive engineering best practices, coding standards, and design patterns.
- Evaluate new technologies and recommend improvements to the platform architecture.
API & Integration Engineering
- Design and maintain internal and external APIs.
- Build integrations with enterprise applications and third-party platforms.
- Implement API security, authentication, authorization, and monitoring standards.
- Promote reusable integration patterns and shared engineering frameworks.
Observability & Reliability
- Implement logging, monitoring, tracing, and alerting solutions.
- Build and maintain observability dashboards and operational metrics.
- Support proactive incident detection, troubleshooting, and root cause analysis.
- Improve system health, reliability, and operational excellence.
DevOps & CI/CD
- Build and maintain CI/CD pipelines for application deployment.
- Automate testing, code quality checks, security scans, and deployments.
- Support Infrastructure-as-Code and DevOps best practices.
- Enable frequent, reliable, and low-risk production releases.
Collaboration
- Work closely with Product Managers, Architects, Engineering Managers, and Platform teams.
- Participate in Agile ceremonies and engineering reviews.
- Mentor junior engineers and contribute to team capability growth.
- Support production issues and continuous improvement initiatives.
Our Ideal Candidate
- Strong hands-on experience in Java and Spring Boot development.
- Solid experience building REST APIs and microservice architectures.
- Experience developing frontend applications using ReactJS.
- Strong PostgreSQL database design and performance tuning skills.
- Experience creating HLDs, LLDs, and solution design documentation.
- Good understanding of observability, monitoring, and operational excellence.
- Experience building and supporting CI/CD pipelines.
- Strong problem-solving, ownership, and communication skills.
- Ability to work across the full software development lifecycle.
Required Skills / Experience
- Bachelor's or Master's degree in Computer Science, Engineering, or related discipline.
- 5-8 years of software engineering experience.
- Strong expertise in: JavaSpring BootREST APIsMicroservices ArchitectureReactJSPostgreSQL
- Experience with: CI/CD pipelines (Azure DevOps, GitHub Actions, Jenkins or similar)Docker and containerized applicationsCloud platforms (Azure preferred)Git and modern software development practices
- Experience with observability platforms such as Grafana, Loki, Prometheus, Application Insights, Splunk, or similar.
- Understanding of distributed systems, scalability, security, and resiliency patterns.
- Experience contributing to HLD, LLD, architecture reviews, and technical governance.
Preferred Skills
- Azure Cloud Services
- Kubernetes/OpenShift
- Event-driven architecture and messaging systems
- API Gateway and API Management platforms
- Site Reliability Engineering (SRE) practices
- AI-assisted development and automation tooling
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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