At a Glance
- Tasks: Build and support scalable backend systems for live streaming services using Java and Spring.
- Company: Join a leading tech company in London with a hybrid work model.
- Benefits: Enjoy competitive salary, health benefits, and opportunities for professional growth.
- Other info: Collaborative environment with excellent career advancement opportunities.
- Why this job: Make an impact on innovative projects while working with cutting-edge technologies.
- Qualifications: Strong experience in Java, Spring, and cloud-native application development required.
The predicted salary is between 63000 - 77000 £ per year.
Location: London, UK
Employment Type: Full-time
Work Model: Hybrid
About the Role
The Senior Developer, Core Services role is focused on building and supporting highly scalable backend systems for live and Video on Demand streaming services. The developer will work primarily with Java and Spring, developing end-user applications and scalable APIs while contributing to technical direction, architecture/design decisions, production support, system reliability, and continuous improvement.
In this role, you will:
- Develop and maintain components using Java and Spring, covering new features, fixes, enhancements, and existing functionality.
- Build well-tested, robust and reliable code, including handling edge cases and usability considerations.
- Identify production/code issues and use appropriate debugging techniques and tools for resolution.
- Support non-functional testing, including performance, resiliency, and security considerations.
- Maintain and support AWS infrastructure, Kubernetes deployments, AWS Keyspaces, Redis and Kafka.
- Review peer code and ensure adherence to coding standards and engineering best practices.
- Propose technical solutions and make design decisions for complex, scalable systems.
- Collaborate with developers, architects, and analysts to understand requirements and deliver solutions.
- Participate in stand-ups and other Agile/team ceremonies and contribute to continuous improvement.
What You Need to Have to Be Considered
The ideal candidate will have strong experience in backend software engineering and cloud-native application development, with expertise in the following areas:
- Strong hands-on experience in Java and Spring Framework development.
- Proven experience building web applications and RESTful APIs.
- Solid understanding of event-driven architectures, including Kafka, asynchronous messaging, and distributed systems.
- Experience working with AWS and AWS-native cloud services.
- Strong knowledge of database and persistence technologies such as Cassandra/AWS Keyspaces, Redis, and PostgreSQL/DSQL.
- Experience with containerization and orchestration technologies, including Docker and Kubernetes.
- Hands-on experience with CI/CD pipelines, particularly using GitHub Actions and modern software delivery practices.
- Experience with automated testing frameworks and a good understanding of non-functional requirements such as performance, scalability, security, and reliability.
- Proficiency with Unix/Linux environments and Bash scripting.
- Experience designing and implementing scalable, resilient software solutions.
- Strong engineering fundamentals, including debugging, code reviews, system reliability, and software development best practices.
Additional eligibility requirements:
- Candidates must currently reside in the UK.
- Candidates must be available to start within 4 weeks of receiving an offer.
These Will Help You Stand Out
- Observability: Datadog, Prometheus and Grafana.
- AI/ML technologies: SageMaker, Azure and Gemini LLMs.
- Confidence with AI-assisted / agentic software development.
- Broader understanding of relevant technologies and modern software architecture.
- Strong cross-team collaboration and communication skills.
- Self-driven attitude with an interest in continuously learning new technologies, frameworks and engineering practices.
- Creative thinking, analytical ability and attention to detail.
Java Senior Developer - Core Services in London employer: Cognizant Technology Solutions Corporation
Cognizant is an exceptional employer, offering a dynamic work environment where innovation and collaboration thrive. As a Manager in Intelligent Process Automation, you'll engage in high-profile transformation programmes while benefiting from a culture that prioritises consulting excellence and continuous learning. With clear career progression pathways, competitive compensation, and flexible hybrid working arrangements, Cognizant empowers its employees to grow and succeed in their careers.
Contact Details:
Cognizant Technology Solutions Corporation Recruitment Team
StudySmarter Expert Advice🤫
We think this is how you could land Java Senior Developer - Core Services in London
✨Join Local Tech Meetups
Get out there and mingle with fellow developers by joining local tech meetups. It’s a fantastic way to meet people who might be working at Cognizant Technology Solutions Corporation or know someone who does. Plus, you can pick up some trendy tech skills and trends while you're at it!
✨Contribute to Open Source Projects
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We think you need these skills to ace Java Senior Developer - Core Services in London
Some tips for your application 🫡
Show off your coding skills:When applying for a software engineering role, it's super important to showcase your coding skills. Make sure your CV includes your tech stack, any relevant programming languages you’re comfortable with, and examples of projects you've worked on. If you have a GitHub profile, link it up! We love to see code in action.
Tailor your portfolio:For a full-time role, we’d expect to see some solid examples of your work in your portfolio. Make sure to include at least two or three projects that highlight your problem-solving skills and your ability to work with different technologies. Focus on the projects that are most relevant to the position at Cognizant Technology Solutions Corporation.
Craft a killer cover letter:Your cover letter is your chance to stand out—make it personal! Explain why you want to work at Cognizant Technology Solutions Corporation and how your skills align with the role. Show us your passion for software development. We dig enthusiastic candidates who understand the value of collaboration and continuous learning!
Be clear and concise:When it comes to writing your CV and cover letter, clarity is key. Avoid jargon that could confuse us and stick to simple, direct language. Highlight your achievements with quantifiable results where possible, and keep everything easy to read. A well-organised application goes a long way!
How to prepare for a job interview at Cognizant Technology Solutions Corporation
✨Brush Up on Your Coding Skills
For a full-time software engineering role, it's crucial that we stay sharp with our coding abilities. Expect technical questions that might involve solving problems on the spot or discussing algorithms. Practise on platforms like LeetCode or HackerRank to get comfortable with the types of questions that often come up.
✨Know Your Tools and Frameworks
Make sure we’re well-acquainted with the tools and technologies listed in the job description. Familiarise ourselves with any specific frameworks or programming languages mentioned. If Cognizant Technology Solutions Corporation uses React or Node.js, for instance, be ready to discuss how we’ve used them in previous projects or coursework.
✨Showcase Your Projects
Bring along a portfolio that highlights our best work. This could be code samples, GitHub repositories, or any side projects we’ve built. Make sure we can talk through our thought process for each project, especially the challenges we faced and how we solved them—this shows our problem-solving skills in action.
✨Prepare for Behavioural Questions
While technical skills are key, full-time positions also require cultural fit. Be ready to discuss our previous experiences and how we handle teamwork, conflict, and deadlines. Brush up on the STAR method—Situation, Task, Action, Result—to clearly articulate our past experiences when discussing how we've contributed to a team.
