Mastek
Full Stack Developer
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Senior Java Developer – Reading
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 UK's 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
- Experience with front end technologies: HTML, JavaScript, Jquery, Mustcahe Templates
- 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)
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Desirable Skills
- 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.
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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
- Employee referral bonus 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.
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