Senior Software Developer - 5G Core

TN United Kingdom; Stevenage; Hybrid; GBP 50,000 - 90,000; Full time

Job summary

An innovative firm is seeking a Senior Software Developer specializing in 5G Core technologies. This role offers a unique opportunity to work with cutting-edge microservices and cloud-native deployments. You will design and implement vital components for the 5G network, ensuring high performance and reliability. Join a dynamic team that values inclusivity and employee well-being, providing numerous opportunities for professional growth and development. This is your chance to be part of a transformative journey in technology, contributing to impactful projects that shape the future of connectivity.

Benefits

Mental Health Support

Training and Development Opportunities

Flexible Working Hours

Wellbeing Apps Access

Qualifications

• Experience in designing and implementing microservices for 5G Core.
• Proficient in REST API development and cloud-native deployment.

Responsibilities

• Develop microservice-based components in alignment with 3GPP standards.
• Build and manage REST APIs for network function communication.

Skills

Microservices

REST API Development

Cloud Technologies

CI/CD

Testing and Debugging

Documentation

Education

Bachelor's Degree in Computer Science or related field

Tools

Docker

Kubernetes

AWS

Azure

Job description

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Senior Software Developer - 5G Core, Stevenage

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Job Reference:

a9dc863e6200

Job Views:

4

Posted:

05.05.2025

Expiry Date:

19.06.2025

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Job Description:

The world leader in engineering services, we bring together a global team of engineers, scientists, and architects to help the world’s most innovative companies unleash their potential. From autonomous cars to life-saving robots, our digital and software technology experts think outside the box as they provide unique R&D and engineering services across all industries. Join us for a career full of opportunities. Where you can make a difference. Where no two days are the same.

About the job you’re considering

Senior Software Developer - 5G Core (Stevenage/HYBRID)

A brilliant opportunity to advance your career while working with cutting-edge technologies in the 5G Core network domain as a Senior Software Developer with expertise in microservices.

Hybrid working: The places that you work from day to day will vary according to your role, your needs, and those of the business; it will be a blend of Company offices, client sites, and your home; noting that you will be unable to work at home 100% of the time.

If you are successfully offered this position, you will go through a series of pre-employmentchecks, including:identity, nationality (single or dual) or immigration status, employment history going back 3 continuous years, and unspent criminal record check (known as Disclosure and Barring Service)

Your role

- Design and Implement SBA Services: Develop microservice-based components such as AMF, SMF, PCF, NRF, and others in alignment with 3GPP standards (e.g., TS 23.501, 29.500).
- RESTful API Development: Build and manage REST APIs for inter-NF (Network Function) communication. Ensure API compliance with OpenAPI specs and 3GPP-defined message flows.
- Cloud-Native Deployment: Use container technologies like Docker and Kubernetes to deploy services in scalable, resilient environments-whether on public cloud (AWS, Azure) or private 5G telco clouds.
- Performance and Reliability: Ensure high performance, scalability, and reliability of network services. Optimize services for low latency and high throughput.
- CI/CD and DevOps: Integrate code into automated pipelines for continuous integration and deployment. Collaborate with DevOps teams to ensure smooth service rollouts and updates.
- Testing and Debugging: Write unit, integration, and system-level tests. Debug real-time issues in simulated or live test environments.
- Documentation and Standards Compliance: Keep thorough documentation of designs, APIs, and implementations. Maintain compliance with evolving 3GPP standards.

You can bring your whole self to work. At Capgemini building an inclusive future is part of everyday life and will be part of your working reality. We have built a representative and welcoming environment, for everyone.

Your skills and experience

Don’t meet every single requirements? Studies have shown women and people of colour are less likely to apply to jobs unless they meet every single qualification. We are dedicated to building a diverse, inclusive and authentic workplace so if you’re excited about this role but your past experience doesn’t align perfectly with every requirement in the job description, we encourage you to apply anyway.

Your security clearance

To be successfully appointed to this role you will need to undergo checks.

There are no nationality or residency restrictions, although if you have resided outside of the UK within the last 3 years, further checks may be required.

There are other criteria and checks required for BPSS, and throughout the recruitment process, you will be asked questions about your security clearance eligibility such as, but not limited to, country of residence and nationality.

What does ‘Get The Future You Want ‘ mean for you?

You’d be joining an accredited Great Place to work for Wellbeing in 2024. Employee wellbeing is vitally important to us as an organisation. We see a healthy and happy workforce a critical component for us to achieve our organisational ambitions.
To help support wellbeing we have trained ‘Mental Health Champions’ across each of our business areas, and we have invested in wellbeing apps such as Thrive and Peppy.

You will be empowered to explore, innovate, and progress. You will benefit from Capgemini’s ‘learning for life’ mindset, meaning you will have countless training and development opportunities from thinktanks to hackathons, and access to 250,000 courses with numerous external certifications from AWS, Microsoft, Harvard ManageMentor, Cybersecurity qualifications and much more.

Why you should consider Capgemini

Growing clients’ businesses while building a more sustainable, more inclusive future is a tough ask. When you join Capgemini, you’ll join a thriving company and become part of a collective of free-thinkers, entrepreneurs and industry experts. We find new ways technology can help us reimagine what’s possible. It’s why, together, we seek out opportunities that will transform the world’s leading businesses, and it’s how you’ll gain the experiences and connections you need to shape your future. By learning from each other every day, sharing knowledge, and always pushing yourself to do better, you’ll build the skills you want. You’ll use your skills to help our clients leverage technology to innovate and grow their business. So, it might not always be easy, but making the world a better place rarely is.

About Capgemini

Capgemini is a global business and technology transformation partner, helping organisations to accelerate their dual transition to a digital and sustainable world, while creating tangible impact for enterprises and society. It is a responsible and diverse group of 340,000 team members in more than 50 countries. With its strong over 55-year heritage, Capgemini is trusted by its clients to unlock the value of technology to address the entire breadth of their business needs. It delivers end-to-end services and solutions leveraging strengths from strategy and design to engineering, all fuelled by its market leading capabilities in AI, generative AI, cloud and data, combined with its deep industry expertise and partner ecosystem. The Group reported 2024 global revenues of €22.1 billion.