(Senior) Java Developer

BAE Systems Digital Intelligence; Poznań; Hybrid; PLN 180,000 - 240,000; Full time

Benefits offered by this job

Private medical care

Lunch voucher

Multi-sport card

Social events

Cross company free share program

Life insurance

Flexible working hours

Job summary

BAE Systems Digital Intelligence in Poznan is seeking a (Senior) Java Engineer to join a rapidly growing programme. You will translate designs into high-quality microservice solutions and collaborate with architects and developers to deliver robust software for our clients.

The role emphasizes hands-on development with Java 21, Spring Boot, REST APIs, and relational databases, with a strong bias toward DevOps, CI/CD processes and high standards of testing and quality.

Qualifications

• Proficient in Java (Java 21 preferred).
• Experience with Spring and Spring Boot.
• API development and RESTful services.
• Strong SQL skills with PostgreSQL or relational databases.
• DevOps, CI/CD processes and tooling.

Responsibilities

• Deliver high-quality software in a rapidly growing programme.
• Bridge architects and developers to translate designs into concrete engineering work.
• Develop and contribute to the design phase of microservice architecture.
• Troubleshoot complex issues and ensure robust operation.
• Identify and implement process improvements.

Skills

Java

Spring/Spring Boot

API Development

REST

PostgreSQL/Relational DBs

DevOps/CI-CD

Tools

Jenkins

Kafka

AWS

Job description

Location(s): Poznan / hybrid BAE Systems Digital Intelligence is home to 4,500 digital, cyber and intelligence experts. We work collaboratively across 10 countries to collect, connect and understand complex data, so that governments, nation states, armed forces and commercial businesses can unlock digital advantage in the most demanding environments.

Job Title: (Senior) Java Engineer

Location: Poznan/ hybrid working

About The Role

• You will be working in a rapidly growing and engaging programme. Sharing your knowledge and expertise with other engineers, to deliver advanced technological solutions.
• You will act as the intermediary between architects and developers, turning high-level designs into quality engineering activities to build and deliver elegant solutions to our clients. This will allow you a degree of autonomy and responsibility, as you will be empowered to make the most appropriate technological decisions to meet the requirements of the programme.
• You will be developing and participating in design phase of microservice architecture solution.
• Troubleshoot complex issues.
• Identify process improvements and recommend/perform changes.

Skills And Experience

Essential skills:

• Java (preferably 21)
• Spring and Springboot
• API Development, REST
• PostgreSQL and Relational Databases
• DevOps processes and CI/CD pipelines

Desirable Skills

• AWS (SQS, RDS, S3, CloudWatch)
• Queue/Messaging (Kafka, SQS, SNS)
• Iceberg or other datalake solution
• Unit Testing
• Jenkins
• JavaScrip or Python is nice to have

Compensation

• Permanent or B2B contract
• private medical care
• lunch voucher
• multi-sport card
• social events
• cross company free share program
• life insurance
• flexible working hours and hybrid working
• subsidy to help you create your home office space

Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation.

Life at BAE Systems Digital Intelligence

We are embracing Hybrid Working. This means you and your colleagues may be working in different locations, such as from home, another BAE Systems office or client site, some or all of the time, and work might be going on at different times of the day.

By embracing technology, we can interact, collaborate and create together, even when we’re working remotely from one another. Hybrid Working allows for increased flexibility in when and where we work, helping us to balance our work and personal life more effectively, and enhance well-being.

Diversity and inclusion are integral to the success of BAE Systems Digital Intelligence. We are proud to have an organisational culture where employees with varying perspectives, skills, life experiences and backgrounds – the best and brightest minds – can work together to achieve excellence and realise individual and organisational potential.

Division overview: Capabilities

At BAE Systems Digital Intelligence, we pride ourselves in being a leader in the cyber defence industry, and Capabilities is the engine that keeps the business moving forward. It is the largest area of Digital Intelligence, containing our Engineering, Consulting and Project Management teams that design and implement the defence solutions and digital transformation projects that make us a globally recognised brand in both the public and private sector.

As a member of the Capabilities team, you will be creating and managing the solutions that earn us our place in an ever changing digital world. We all have a role to play in defending our clients, and this is yours.