[Hiring] Full Stack Developer @Maximus

Role Description

Be part of something great. Maximus is a global organisation that specialises in providing health and employment services to millions of people every year. Here in the UK, we employ around 5,000 people across the country to deliver services that have a profound impact on people’s lives. From assessments and health services to employability programmes and specialist support, we do work that matters with people who care.

Home based role.

Salary range: £56,500 - £74,375

The Full Stack Developer designs, builds, tests and supports modern digital products and business applications across the full software development lifecycle. Working across user interfaces, services, APIs, integrations, data and cloud infrastructure, the role delivers secure, scalable and maintainable solutions within a UK-hosted environment. The role works as part of an Agile engineering team, applying secure-by-design principles and modern development practices to create measurable value for users and the business.

Accountabilities

• Design, develop and maintain full-stack applications, delivering high-quality front-end and back-end components that meet agreed user, business and non-functional requirements.
• Build and enhance secure APIs, services, integrations and event-driven components that enable reliable communication and data exchange across internal and external systems.
• Develop responsive, accessible and intuitive user interfaces using modern web technologies and frameworks, including React, TypeScript, Vue, JavaScript, HTML and CSS where appropriate.
• Design maintainable application architectures and data models across relational and NoSQL solutions, ensuring performance, scalability, resilience and supportability.
• Embed secure-by-design engineering throughout the software development lifecycle, including secure coding, threat-aware design, automated testing, peer review and remediation of vulnerabilities in line with organisational and NCSC requirements.
• Contribute actively to Agile delivery through estimation, backlog refinement, sprint planning, demonstrations, retrospectives, code reviews and continuous improvement.
• Support live applications through monitoring, troubleshooting, root cause analysis, performance optimisation, documentation and effective handover to operational teams.

Key Internal Stakeholders & Relationships

• Technology Systems Manager and engineering colleagues
• Product Owners, Scrum Masters and delivery teams
• Solution, Security and Enterprise Architects
• Integration, Automation, Data and Test Engineers
• Cloud Operations, Service Management and business stakeholders

Key External Stakeholders & Relationships

• Technology suppliers and delivery partners
• Software and platform vendors
• Third-party integration providers
• Security and assurance partners, where required

Qualifications

• Proven commercial experience with a minimum of 5 years in industry as a Full Stack Developer, working across front-end and back-end development within Agile delivery teams.
• Evidence of multiple project experience across the full lifecycle of web and app development, from initial planning through to post-launch support.
• Strong Python development skills, including the creation of robust backend services and serverless functions.
• Good experience building modern web applications with React and strong capability in TypeScript, JavaScript, HTML and CSS; experience of Vue is also relevant.
• Experience designing and developing RESTful APIs, services, integrations and event-driven architectures.
• Practical experience with relational and NoSQL databases, including data modelling, querying, performance and operational considerations.
• Experience developing cloud-native applications and working across application, data and cloud infrastructure layers in a UK-hosted environment.
• Strong understanding of source control, automated testing, CI/CD, observability and modern software engineering practices.
• Deep understanding of secure-by-design software development, secure coding, application security testing and vulnerability management across the SDLC.
• Understanding of NCSC principles, controls and UK security requirements relevant to software development.
• AWS or Azure developer certification.

Desirable Qualifications

• Experience integrating AI-enabled services, including document processing or generative AI capabilities such as Textract or Bedrock.
• Experience with Infrastructure as Code, containerisation or platform automation.
• Knowledge of cloud services supporting compute, API management, storage, identity and access management.
• Experience working in regulated, security-conscious or high-availability environments.
• Relevant software engineering, cloud or security certification.

Maximus Competencies

• Embraces Respect
• Partners Effectively
• Creates Innovative Solutions
• Focuses on the Customer
• Demonstrates Compassion
• Takes Responsibility and Acts with Integrity

Individual Competencies

• Full-stack engineering capability
• Structured problem-solving and analytical thinking
• User-focused design and delivery
• Security-first mindset
• Quality, ownership and attention to detail
• Effective collaboration across technical disciplines
• Clear written and verbal communication
• Continuous learning and improvement
• Architectural thinking and systems design
• Innovation and responsible experimentation
• Ability to mentor and support other engineers
• Commercial awareness
• Adaptability in a changing technical environment

Travel Requirements

Occasional travel to UK offices, delivery workshops or stakeholder meetings may be required. Business travel over 10,000 miles per year: No.

EEO Statement

MAXIMUS is committed to developing, maintaining and supporting a culture of diversity, equity and inclusion throughout the recruitment process. We know that feeling included has a dramatic impact on personal wellbeing and are working to ensure that no job applicant receives less favourable treatment due to any personal characteristic.

We are a Disability Confident Leader, thanks to our commitment to the recruitment, retention and career development of people with disabilities and long-term conditions.

Where reasonable, MAXIMUS will review and consider adjustments for those applicants who express a requirement for them during the recruitment process.

Salary

Minimum Salary: £56,500.00

Maximum Salary: £74,375.00

Job Posting Information

Job Posting Title: Full Stack Developer

Date: Friday, October 16, 2026

City: Remote

Country: United Kingdom

Working time: Full-time

Closing Date: 23-Oct-2026