Full Stack Developer (Java) in London

At IBM Consulting UK FutureNow, you’ll build a career at the forefront of hybrid cloud and AI, working with leading clients across the public and private sectors. You’ll collaborate with top industry professionals, gain hands-on experience with cutting-edge technologies, and deliver solutions that create real business impact. From day one, you’ll work on meaningful, high-profile programmes that stretch your skills and accelerate your growth. We invest heavily in you—supporting continuous learning, in-demand skills development, and long-term career progression. You’ll thrive in a flexible, inclusive environment that values curiosity, encourages reinvention, and recognises what makes you unique.

We offer:

• Tools and policies to support your work-life balance from flexible working approaches, sabbatical programs, paid paternity leave, maternity leave and an innovative maternity returners scheme.
• More traditional benefits, such as 25 days holiday (in addition to public holidays), private medical, dental & optical cover, online shopping discounts, an Employee Assistance Program, life assurance and a group pension plan through salary sacrifice.

Your role and responsibilities:

We are looking for a Full Stack Developer to build modern, cloud-native applications using the latest front-end frameworks, scalable microservices, and hyperscaler cloud services. You will work across the entire technology stack designing intuitive user interfaces, implementing resilient backend microservices, developing event-driven components, and deploying solutions using cloud-native CI/CD pipelines.

You will work with technologies such as React or Angular, Java/Spring Boot, .NET Core, Node.js, Python, Kafka, Docker, Kubernetes, serverless functions, and event streams. You may build solutions on AWS services like Lambda, EKS, DynamoDB, and CloudFront, or Azure services like AKS, App Services, APIM, Event Grid, Cosmos DB, and Azure Functions.

This role is ideal for someone who enjoys solving complex engineering challenges, working in Agile teams, and building end-to-end cloud-native products using modern tools and frameworks. Whether you are delivering features, guiding technical decisions, or owning key services, you will play a key part in building high-performance, scalable, and secure applications.

If you want to work with next-generation cloud-native architectures and full-stack engineering, we’d love to hear from you.

Key Responsibilities:

• Develop full-stack cloud-native applications using microservices, APIs, and modern UI frameworks.
• Build front-end applications using React or Angular (SPA or microfrontends).
• Develop scalable back-end services following 12-factor principles and event-driven patterns through Domain-Driven Design (DDD).
• Design Relational SQL and NoSQL data models for cloud-hosted applications.
• Build applications using languages such as Java, .NET, Node.js, or Python.
• Deploy and manage containerised or serverless workloads using AWS or Azure cloud services.
• Work with event-driven tools such as Kafka and cloud messaging services.
• Apply cloud-native CI/CD, DevSecOps practices, and Test-Driven Development.
• Collaborate with cross-functional teams and support high-quality delivery across the stack.
• Depending on experience, guide other developers or lead technical components.

Required technical and professional expertise:

• Front-End: SPA and microfrontends, Responsive Design, React or Angular.
• Back-End: Microservices design (12-factor, domain-bounded), Common Design Patterns, REST and event-driven APIs, SQL and NoSQL modelling.
• Programming Languages / Runtimes: Java (8+), GraalVM, .NET / .NET Core, JavaScript, Node.js, Python (Proficiency in at least one).
• Frameworks: Spring Boot (must have), Quarkus, Express.js, Django.
• Cloud (AWS and/or Azure): Compute & PaaS, Routing / API, Databases, Event-driven services, Storage, Observability, Networking.
• DevSecOps / CI/CD: AWS and Azure tools, Source Control: GitHub, Security.
• Engineering Practices: Test-Driven Development, Cloud-native CI/CD tooling, Agile delivery, Containerisation (Docker), orchestration (Kubernetes), Serverless architectures, Microservices-oriented design.

This role is subject to pre-employment screening in line with the UK Government’s Baseline Personnel Security Standard (BPSS). An additional range of Personal Security Controls referred to as National Security Vetting (NVS) may apply, this could include meeting the eligibility requirements for The Security Check (SC) or Developed Vetting (DV).

Preferred technical and professional experience:

• Desirable certifications: AWS Certified Developer - Associate, AWS Certified Solutions Architect - Associate, Google Professional Cloud Developer, Microsoft Azure Developer Associate (AZ-204), Microsoft Azure Solutions Architect Expert, Certified Kubernetes Application Developer, Certified Kubernetes Administrator, Meta Full Stack Developer Professional Certificate, IBM Full Stack Software Developer Professional Certificate, Oracle Java SE Programmer, Node.js Application Developer Certification, MongoDB Developer Certification, Red Hat Certified Engineer, CompTIA Cloud, CompTIA Security+.

IBM is committed to creating a diverse environment and is proud to be an equal-opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, gender, gender identity or expression, sexual orientation, national origin, caste, genetics, pregnancy, disability, neurodivergence, age, veteran status, or other characteristics. IBM is also committed to compliance with all fair employment practices regarding citizenship and immigration status.