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Mastek

Mastek

Java Fullstack Developer

Leeds Hybrid 5-10 yrs exp IT Services and IT Consulting 6,497 employees
JavaKotlinAWSSQLNode.js

Requirements

Candidates should have strong Java or Kotlin skills, experience with Node.js and TypeScript, advanced SQL knowledge, and familiarity with AWS services and security practices. Experience with CI/CD, GitHub Actions, Docker, ECS, DevOps or DevSecOps, and monitoring tools is sought; Step Functions and Angular are desirable.

Job Description

Senior Java Developer – Banking & Financial Services | Leeds, UK | SC Clearance Eligible 🌟


Are you a passionate Senior Java Developer looking to make an impact within the Banking & Financial Services sector? We're partnering with a leading BFSI client to find an experienced engineer who thrives in a collaborative, cloud-first, DevOps environment and enjoys building secure, scalable, and high-performing solutions.


🚀 The Role

As a Senior Developer, you will play a key role in designing, developing, and delivering cloud-native applications while working closely with cross-functional teams. You'll be expected to provide technical guidance, contribute to architectural decisions, and champion best practices across development, security, and DevOps.


We're looking for someone with a growth mindset, excellent communication skills, and a passion for mentoring and supporting team members.


✅ Essential Skills & Experience

☁️ AWS Cloud Technologies

Strong experience with, or a solid understanding of:

  • Amazon S3
  • Athena
  • AWS Glue
  • Lambda
  • DynamoDB
  • OpenSearch
  • CloudFormation
  • API Gateway
  • ECS
  • CloudWatch


💻 Programming & Development

  • Strong proficiency in Java/Kotlin
  • Experience with Node.js and TypeScript
  • Advanced SQL skills
  • Strong understanding of software engineering best practices and design patterns


🗄️ Databases

  • Experience working with relational databases using SQL
  • Knowledge of NoSQL databases, particularly DynamoDB


🔐 Security

Strong understanding of AWS security best practices, including:

  • Role-Based Access Control (RBAC)
  • Principle of Least Privilege
  • AWS Secrets Manager & KMS
  • Secure handling of sensitive data, tokens, and credentials

⚙️ DevOps & CI/CD

  • Experience building and maintaining CI/CD pipelines
  • Strong knowledge of Git and GitHub Actions
  • Understanding of DevOps and DevSecOps practices
  • Experience with Docker and Amazon ECS


🔄 Workflow & Automation (Desirable)

  • Experience with Amazon Step Functions and workflow orchestration

📈 Monitoring & Observability

  • Experience with monitoring and troubleshooting tools such as Datadog

🎨 Front-End Technologies

  • Familiarity with the Angular framework


📍 Eligibility Criteria

We welcome applications from:

  • UK Citizens
  • Holders of Indefinite Leave to Remain (ILR)
  • Dependent Visa holders
  • Sponsorship can be considered for exceptional candidates already residing in the UK

📍 Location: Leeds, UK

🏢 Hybrid Working: Minimum 3 days per week on-site at the client location

🌈 Why Join Us?


We're a purpose-driven organisation committed to creating positive impact through technology and innovation.


When you join us, you'll benefit from:

✅ A collaborative and inclusive culture

✅ Opportunities for continuous learning and career growth

✅ Exposure to cutting-edge cloud and financial services technologies

✅ The chance to work on meaningful projects that make a difference

✅ A workplace that celebrates diversity of thought, experience, and background


We encourage applications from candidates of all backgrounds. Even if you don't meet every requirement, we'd still love to hear from you. Your unique perspective and experience could be exactly what we're looking for.

We are proud to be an Equal Opportunity Employer and are committed to creating an inclusive environment for all employees. If you require any reasonable adjustments during the recruitment process, please let us know.

📩 Ready to Make an Impact?


Apply today and help shape the future of digital banking and financial services while working in an environment that values innovation, collaboration, and continuous improvement.


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Skills

JavaKotlinAWSSQLNode.jsTypeScriptDynamoDBAWS SecurityCI/CDGitHub ActionsDockerAmazon ECSDevOpsDevSecOpsDatadogAngular

About Mastek

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 organizations to accelerate transformation using ethical, scalable, and domain-driven AI adoption. Mastek partners with industry leaders such as Oracle, Salesforce, Microsoft, AWS, Snowflake, and Databricks, serving key sectors such as, Healthcare, Retail, Manufacturing, Higher Education, and Financial Services. Mastek is committed to driving innovation by developing a strong ecosystem of start-ups, academia, and IPs. With its core values of trust, value, and velocity, the company empowers 400+ active customers to transform their business in the evolving tech landscape. Mastek has always been a solutions-focused and relationship-centric company, valuing both employees and clients. With its humane approach, Mastek fosters growth through sustainable goals, high ethical standards, and responsible governance.