Senior Full Stack Developer

UBDS Group; London; On-site; GBP 60,000 - 80,000; Full time

Job summary

A leading technology solutions provider in London is seeking a Senior Full-Stack Developer. The role involves leading the technical delivery of cloud-native applications on AWS and mentoring junior developers. Candidates must have strong experience in Java, Spring Boot, and either React or Angular, with a focus on security and sound architecture. The position offers opportunities for professional growth within a dynamic organization.

Benefits

Private medical cover

Discretionary bonus

25 Days holiday + additional days

Electric Vehicle leasing

Death in service cover

Qualifications

• Proven expertise in Java and Spring Boot for back-end development.
• Advanced front-end development experience with React or Angular.
• Strong hands-on knowledge of AWS services across compute, networking, and application layers.
• Experience designing secure and scalable architectures in cloud-native environments.
• Excellent communication skills with the ability to engage both technical and non-technical stakeholders.

Responsibilities

• Lead the end-to-end design and development of scalable full-stack applications on AWS.
• Provide technical leadership, mentoring junior developers, and promoting a high-quality engineering culture.
• Engage with stakeholders to translate business needs into technical solutions.
• Drive adoption of DevSecOps practices.

Skills

Java

Spring Boot

React

Angular

AWS services

CI/CD pipelines

Agile methodologies

Mentoring

Job description

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Rayo, part of the UBDS group, is seeking a Senior Full-Stack Developer to provide technical leadership across the design, development, and delivery of cloud-native applications hosted on Amazon Web Services (AWS). This role demands a high level of technical acumen, including advanced proficiency in Java and Spring Boot for back-end development and React or Angular for front-end implementation. The successful candidate will guide technical teams, shape solution architecture, and promote secure-by-design principles throughout the delivery lifecycle.

This role is ideal for experienced professionals who can balance hands-on technical delivery with mentoring, stakeholder engagement, and the enforcement of best practices across multidisciplinary teams.

Key Responsibilities:

• Lead the end-to-end design and development of scalable full-stack applications on AWS.
• Architect robust and secure solutions leveraging core AWS services and modern development patterns.
• Provide technical leadership, mentoring junior developers and promoting a high-quality engineering culture.
• Engage with stakeholders to translate business needs into technical solutions.
• Drive adoption of DevSecOps practices, including CI/CD automation and secure code standards.
• Review technical designs and ensure alignment with enterprise architecture and security requirements.
• Support continuous improvement through retrospectives, knowledge sharing, and community of practice involvement.

Requirements

• Proven expertise in Java and Spring Boot for back-end development.
• Advanced front-end development experience with React or Angular.
• Strong hands-on knowledge of AWS services across compute, networking, and application layers.
• Experience designing secure and scalable architectures in cloud-native environments.
• Demonstrable experience in mentoring technical teams and leading by example.
• Familiarity with CI/CD pipelines, infrastructure as code (IaC), and Agile methodologies.
• Excellent communication skills with the ability to engage both technical and non-technical stakeholders.
• At least 2 years’ experience delivering production applications in AWS environments.
• Previous roles involving solution architecture and stakeholder advisory.
• AWS certifications such as AWS Certified Solutions Architect – Associate or Professional are advantageous.

Why people choose to grow their careers at UBDS Group

Professionals choose to grow their careers at UBDS Group for its reputation as a dynamic and forward-thinking organisation that is deeply committed to both innovation and employee development. At UBDS Group, employees are given unique opportunities to work on cutting-edge projects across a diverse range of industries, exposing them to new challenges and learning opportunities that are pivotal for professional growth. The Group’s culture emphasises continuous improvement, offering ample training programs, mentorship, and the chance to gain certifications that enhance their skills and marketability.

UBDS Group fosters a collaborative environment where creativity and innovation are encouraged, allowing employees to contribute ideas and solutions that have a tangible impact on the company and its clients. This combination of professional development, a culture of innovation, and the opportunity to make meaningful contributions makes UBDS Group an attractive place for those looking to advance their careers and be at the forefront of technological and operational excellence.

Employee Benefits

• Training – All team members are offered a number of options in terms of personal development, whether it is technical led, business acumen or methodologies. We want you to grow with us and to help us achieve more
• Private medical cover for you and your spouse/partner, offered via Vitality
• Discretionary bonus based on a blend of personal and company performance
• Holiday – You will receive 25 Days holiday, plus 1 day for Birthday and 1 day for your work anniversary in addition to UK bank holidays
• Electric Vehicle leasing with salary sacrifice
• Death in service cover

About UBDS Group

At UBDS Group our mission is to support entrepreneurs who are setting new standards with technology solutions across cloud services, cybersecurity, data and AI, ensuring that every investment advances our commitment to innovation, making a difference, and creating impactful solutions for organisations and society.

We are an equal opportunities employer and do not discriminate on the grounds of gender, sexual orientation, marital or civil partner status, pregnancy or maternity, gender reassignment, race, colour, nationality, ethnic or national origin, religion or belief, disability or age.