Full Stack Developer

Mastek; Reading; Hybrid; GBP 60,000 - 90,000; Full time

Benefits offered by this job

Hybrid and flexible working options

Private medical insurance for self & 4

Life assurance cover

Employee Assistance Programme

Gym and wellbeing support

Cycle to Work scheme

Pension scheme with employer contrib

Job summary

Mastek is delivering a high-profile UK central government biometric programme. You will be part of a multi-vendor team, designing and building cloud-native Java applications and microservices.

The role demands deep SDLC knowledge, openness to learn, and strong collaboration with cross-functional teams. As a Java full stack developer, you will work on RESTful services, unit/integration tests, and modern AWS-native architectures, across an environment that values innovation, security, and scalable

Qualifications

• Bachelor's degree in Computer Science, Software Engineering, IT, or related discipline.
• Cloud or software engineering certifications are advantageous.
• Extensive Java Full Stack and cloud experience preferred.

Responsibilities

• Extensive server-side Java 8+ development with Spring, Spring Boot & Hibernate.
• Design and develop cloud-native Java applications and microservices.
• Build web services and REST APIs with a focus on test-driven development (TDD/BDD).
• Implement and maintain CI/CD pipelines using Docker, Jenkins, and Kubernetes.
• Lead a team of Java developers and provide technical guidance.
• Collaborate across teams for seamless integration of components.
• Perform code reviews and uphold coding standards.
• Participate in architectural and design discussions.
• Work within Agile (Scrum/Kanban) environments.
• Mentor juniors and manage Scrum timelines and deliverables.
• Communicate complex concepts to non-technical stakeholders.
• Understand relational databases (PostgreSQL) and BPM tools.
• Familiar with AWS services and monitoring tools.

Skills

Java 8+

Spring Boot

Hibernate

Microservices

REST APIs

JUnit & Mockito

CI/CD

Docker

Kubernetes

AWS

PostgreSQL

Agile

Shell scripting

Python

Education

Bachelor's degree in CS/SE

Cloud certifications (advantageous)

Tools

Jenkins

Docker

Kubernetes

Job description

Please note this role requires 2 days a week at Mastek office due to the nature of work.

About the Company

Mastek Limited is a global provider of enterprise AI, digital, and cloud services, enabling clients to achieve measurable and sustainable returns on their technology investments. The company has a presence in over 40 countries and a skilled workforce of close to 5,000 employees. Through its "Lead with AI" approach, Mastek integrates intelligence across its solutions and operations, enabling organisations to accelerate transformation using ethical, scalable, and domain-driven AI adoption.

Mastek partners with industry leaders including Oracle, Salesforce, Microsoft, AWS, Snowflake, and Databricks, serving key sectors such as Healthcare, Retail, Manufacturing, Higher Education, and Financial Services. With its core values of Trust, Value, and Velocity, Mastek empowers organisations to transform their business through innovative technology solutions while fostering a culture of collaboration, growth, and continuous learning.

About the Role

Mastek is set to deliver a high-profile programme for a central government department. The programme represents the next generation of the UKs biometric capability replacing and integrating with legacy systems and other government departments.

You will be part of a Mastek team in a multi-vendor project with a shared code base. As a Java full stack developer you will be responsible for designing and developing cloud native applications using cutting edge technologies.

The role requires in-depth understanding of the software development lifecycle and strong technical experience with an open-minded attitude and ability to rapidly adapt and learn.

Responsibilities

• Extensive server-side, hands-on Java 8+ development experience with strong Spring, Spring Boot & Hibernate
• Strong understanding of Microservice architecture
• Experience building web services and APIs on REST
• Strong understanding of unit & integration tests, following TDD / BDD
• Experience using test frameworks like Junit, Mockito, PowerMockito & Wiremock
• Experience and understanding of CICD pipeline of Docker, Jenkins and Kubernetes
• Led a team of Java developers to deliver high-quality software solutions
• Design and develop Java applications, APIs, and microservices
• Work collaboratively with other teams to ensure seamless integration of software components
• Conduct code reviews and ensure adherence to best practices and coding standards
• Actively participating in architectural & design discussions
• Experience with Agile development methodologies (Scrum, Kanban)
• Mentor junior developers and provide technical guidance to the team
• Take ownership of scrum team's timelines and deliverables
• Proposing solutions to complex problems that are in the boundary of the existing system architecture
• Have an ability to communicate technical concepts to a non-technical audience.
• Understanding of all the agile ceremonies.
• Experience in Relational Database Management System (e.g. PostgreSQL)
• Knowledge of Workflow/Business Process Management tools
• Experience with Performance and Monitoring tools: JMeter, Kibana, Splunk, Dynatrace
• Experience writing Shell script
• Understanding of Python
• Good understanding on AWS services (EC2, ECS, EKS, API Gateway and Serverless technologies)
• Integration Engine tools: Apache Camel and Active MQ for messaging, web services and distributed systems
• Public Sector domain experience preferable

Qualifications

• Bachelor's degree in Computer Science, Software Engineering, Information Technology, or a related discipline, or equivalent practical experience.
• Relevant cloud or software engineering certifications are advantageous.

Why Join Us?

• Work on large-scale digital transformation initiatives within the Banking & Financial Services sector.
• Collaborate with high-performing engineering, architecture, and cloud teams.
• Gain exposure to modern AWS-native technologies and engineering practices.
• Contribute to complex, business-critical solutions that deliver real customer value.
• Access continuous learning, professional development, and career progression opportunities.
• Be part of a collaborative and inclusive environment that encourages innovation and technical excellence.

If you are passionate about building secure, scalable software solutions and want to play a key role in delivering modern cloud-based platforms within a leading financial services environment, we would love to hear from you.

Our UK Benefits Include:

• Competitive salary and annual bonus opportunities
• Hybrid and flexible working options
• Generous annual leave entitlement, plus bank holidays
• Company pension scheme with employer contributions
• Private medical insurance ((for self & dependents))
• Life assurance cover
• Employee Assistance Programme (EAP)
• Gym and wellbeing support initiatives
• Learning and development opportunities, including access to certifications and training
• Employee recognition and reward programmes
• Cycle to Work scheme
• Enhanced family-friendly policies

About Mastek

Mastek is a trusted digital engineering and cloud transformation partner delivering innovative solutions to public and private sector organisations globally. We foster an inclusive, collaborative culture where diverse perspectives are valued, and every employee is empowered to make an impact.

At Mastek, we are committed to building a diverse workforce and creating an inclusive environment where everyone can succeed. We welcome applications from all backgrounds and are proud to be an equal opportunities employer.