Senior java developer Work, Jobs in Croydon (with Salaries)

Senior Software Developer
Aristocrat —London
- Full-time
- Continuous improvement
- Travel
- Mentoring
Senior Engineer- Platform Engineering
Janus Henderson —London
- Hybrid work
- Computer Science
- DevOps
- Engineering
Lead Java Developer
Citi —London
- Full-time
- Hybrid work
- Master's degree
- AWS
- Bachelor's degree
- Annual leave
- Employee assistance programme
Lead C++ / Java Developer
London Stock Exchange Group —London
- Full-time
- Computer Science
- Engineering
- Bachelor's degree
Senior Fullstack Software Engineer (.NET/Java)
Sky —London
- Full-time
- Hybrid work
- Mentoring
- Communication skills
Senior Software Engineer II - Engineering Experience
Wise Australia Investments —London
- £111,000 - £145,000 a year
- Java
- Software development
- AI
2d
Manager, Software Engineering
Park Place Technologies Limited —London
- Hybrid work
- Computer Science
- Analysis skills
- Bachelor's degree
13h
Senior Software Developer
8x8, Inc. —London
- Full-time
- Hybrid work
- Computer Science
- Salesforce
- Master's degree
Senior Software Engineer (Java & Python)
Jamf —London
- Hybrid work
- AWS
- Bachelor's degree
- Agile
Senior Software Engineer
Elsevier —London
- Full-time
- Mentoring
- Computer networking
- APIs
- Flexible schedule
9d
Java Developer – Systematic Hedge Fund
Durlston Partners —London
- Up to £130,000 a year
- Java
Universal Banker - Bridgeport Branch
Citi —London
- Full-time
- Hybrid work
- Computer Science
- Engineering
- Master's degree
- Annual leave
- Employee assistance programme
9d
Senior Software Engineer
WallStreetDocs —London
- Full-time
- AWS
- Mentoring
- Financial services
Junior / Mid-Level Full Stack Developer
NECSWS —London
- Full-time
- Remote
- Computer Science
- Engineering
- Agile
- Annual leave
Quick apply
Senior Java Engineer
London Stock Exchange Group —London
- Full-time
- AI
- Leadership
Software Development Engineer III (.NET/Java)
Tesco UK —London
- Full-time
- Databases
- Mentoring
- Agile
- Employee assistance programme
7d
Senior Software Engineer
RELX —London
- Full-time
- Mentoring
- Computer networking
- APIs
- Flexible schedule
9d
Senior Vice President, Senior Software Engineering, Developer Experience
The Bank of New York Mellon Corporation —London
- Full-time
- Computer Science
- Java
- Bachelor's degree
Technology Application Strategy - Java Developer - Assistant Vice President
Citi —London
- Full-time
- Hybrid work
- Annual leave
- Employee assistance programme
Senior Software Engineer
The Currency Cloud Services Limited —London
- Doctoral degree
- DevOps
- Master's degree
Quick apply

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Senior Software Developer

Aristocrat -
London

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Job details

Full-time

Qualifications

Spring Boot
CI/CD
Technical troubleshooting
Performance tuning
Stakeholder collaboration
Mentoring junior staff
Microservices
CI/CD pipelines
Continuous improvement
Distributed systems
Back-end development
Mentoring
Scalability
Multidisciplinary collaboration
AI
Software development or architecture experience
Communication skills

Full job description

As a Senior Software Engineer (Backend), you will play a key role in designing and building scalable, cloud-based services using Java and Spring Boot. You’ll work closely with your manager, architecture team and teammates to deliver high-quality backend systems that power critical business functionality.

In this role, you are expected to lead by example through strong technical execution, thoughtful system design, and a commitment to engineering excellence. As a senior engineer you will contribute to architectural decisions, mentor other engineers, and help drive continuous improvement across the team.

What You’ll Do

Design, build, and maintain robust backend services using Java and Spring Boot
Collaborate with your manager, business units and peers to deliver features on time and aligned with business priorities
Contribute to system design and architecture discussions, ensuring scalability, reliability, and maintainability
Write clean, efficient, and well-tested code, and participate actively in code reviews
Help break down complex problems into actionable technical solutions
Partner with product and cross-functional stakeholders to clarify requirements and translate them into technical implementations
Mentor junior engineers and contribute to a culture of learning, ownership, and accountability
Identify and address technical debt while balancing short-term delivery needs with long-term platform health
Support production systems, including troubleshooting issues and participating in on-call rotations as needed
Contribute to improving engineering processes, tools, and best practices

What We're Looking For

5–8+ years of professional software development experience
Strong hands-on experience building backend systems using Java and Spring Boot
Experience designing and implementing distributed systems or service-oriented architectures
Solid understanding of RESTful APIs and backend service design principles
Strong problem-solving skills and ability to work independently on complex technical challenges
Effective communication skills and ability to collaborate across teams
Proven track record of delivering high-quality, production-ready software

Nice to Have

Experience with AI-based software engineering including agent-based development, assisted/automated code reviews, etc.
Experience working with cloud platforms such as AWS, GCP, or Azure
Experience with microservices and event-driven architectures
Familiarity with CI/CD pipelines, infrastructure as code, and DevOps practices
Experience with performance optimization, scalability, and reliability engineering
Prior experience mentoring or leading other engineers
Exposure to observability tools, monitoring, and on-call practices

Why Aristocrat?

Aristocrat is a world leader in gaming content and technology, and a top-tier publisher of free-to-play mobile games. We deliver great performance for our B2B customers and bring joy to the lives of the millions of people who love to play our casino and mobile games. And while we focus on fun, we never forget our responsibilities. We strive to lead the way in responsible gameplay, and to lift the bar in company governance, employee wellbeing and sustainability. We’re a diverse business united by shared values and an inspiring mission to bring joy to life through the power of play.

We aim to create an environment where individual differences are valued, and all employees have the opportunity to realize their potential. We welcome and encourage applications from all people regardless of age, gender, race, ethnicity, cultural background, disability status or LGBTQ+ identity. EEO M/F/D/V

World Leader in Gaming Entertainment
Robust benefits package
Global career opportunities

Our Values

All about the Player
Talent Unleashed
Collective Brilliance
Good Business Good Citizen

Travel Expectations

None

Additional Information

At this time, we are unable to sponsor work visas for this position. Candidates must be authorized to work in the job posting location for this position on a full-time basis without the need for current or future visa sponsorship.

Apply Now

Refine Your Search

senior java developer jobs in croydon

Senior Software Developer

Senior Engineer- Platform Engineering

Lead Java Developer

Lead C++ / Java Developer

Senior Fullstack Software Engineer (.NET/Java)

Senior Software Engineer II - Engineering Experience

Manager, Software Engineering

Senior Software Developer

Senior Software Engineer (Java & Python)

Senior Software Engineer

Java Developer – Systematic Hedge Fund

Universal Banker - Bridgeport Branch

Senior Software Engineer

Junior / Mid-Level Full Stack Developer

Senior Java Engineer

Software Development Engineer III (.NET/Java)

Senior Software Engineer

Senior Vice President, Senior Software Engineering, Developer Experience

Technology Application Strategy - Java Developer - Assistant Vice President

Senior Software Engineer

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