Senior Full Stack Developer (Java / Angular)

Adecco Pontoon is an employment consultancy. We put expertise, energy, and enthusiasm into improving everyone's chance of being part of the workplace. We respect and appreciate people of all ethnicities, generations, religious beliefs, sexual orientations, gender identities, and more. We do this by showcasing their talents, skills, and unique experience in an inclusive environment that helps them thrive. Job title: Senior Full Stack Developer (Java / Angular) Location : London (2 to 3 days per week on site) Contract: 12 months with possible extension Rate : £750 - £800 Inside IR35 Role Overview We are seeking a Full Stack Developer to join a high-performing engineering team responsible for building and enhancing execution and trade workflow platforms. The role involves designing, developing, and supporting scalable, resilient applications that facilitate complex business processes and high-volume transaction flows. Key Responsibilities Architecture & Solution Design • Contribute to the design, architecture, and implementation of trading, sales, operations, and workflow solutions. • Ensure technical solutions align with business objectives, scalability requirements, security standards, and engineering best practices. • Support the evolution of platform architecture through modern design patterns and technology adoption. Platform Development • Design and develop flexible, scalable applications capable of supporting diverse integration patterns and high-throughput processing. • Build resilient backend services and intuitive frontend applications that support business-critical workflows. • Develop solutions that accommodate future growth and changing business requirements. Cross-Functional Collaboration • Partner with Product, Business, Operations, and Engineering teams to translate requirements into robust technical solutions. • Participate in requirements discussions, technical planning, and solution reviews. • Communicate technical concepts effectively to both technical and non-technical stakeholders. Engineering Excellence • Deliver high-quality, secure, maintainable, and performant code. • Conduct code reviews and contribute to software quality standards. • Follow established development methodologies, testing practices, and deployment processes. • Promote continuous improvement across the software development lifecycle. AI & Automation • Contribute to automation initiatives aimed at improving engineering efficiency and platform reliability. • Utilize AI-powered development tools where appropriate to enhance productivity, code quality, and development workflows. • Support intelligent automation and continuous optimization of engineering processes. Production Support • Assist in the investigation and resolution of production issues. • Participate in incident management, root cause analysis, and system improvement initiatives. • Ensure platform stability, performance, and operational reliability. Technical Leadership & Mentoring • Provide guidance and mentorship to other engineers. • Share knowledge and best practices across the team. • Foster a collaborative and learning-oriented engineering culture. Required Skills & Experience Backend Development • Strong proficiency in Java and enterprise application development. • Experience with the Spring ecosystem, including: • Spring Framework • Spring Boot • Spring Security • Spring Data • ORM technologies Experience building scalable, secure, production-grade services and APIs. Frontend Development • Experience developing modern web applications using: • Angular • TypeScript / JavaScript • HTML5 • CSS3 Understanding of component-based architecture and modern UI development practices.Familiarity with jQuery is beneficial. Database Technologies • Strong knowledge of relational database systems such as: • Oracle • Microsoft SQL Server • Other enterprise-grade RDBMS platforms Experience with: • Data modelling • Query optimization • Database performance tuning • Large-scale data management Messaging & Integration • Apache Kafka • IBM MQ • FIX Protocol Understanding of event-driven architectures and asynchronous processing patterns. Delivery & Engineering Practices • Experience working within Agile and Scrum environments. • Ability to operate effectively in fast-paced and evolving development environments. • Commitment to software quality, testing, and continuous delivery practices. Core Technology Stack Backend: Java, Spring Boot, Spring Framework, Spring Security, Spring Data, ORM Frontend: Angular, TypeScript, JavaScript, HTML, CSS Databases: Oracle, SQL Server, Relational Databases Messaging: Kafka, IBM MQ, FIX Protocol Methodology: Agile, Scrum, CI/CD, DevOps Practices AI Tools: GitHub Copilot, Cursor, Windsurf, Claude Code This version is optimized for CV screening and ranking by focusing on skills, technologies, responsibilities, and capability indicators rather than tenure-based requirements. Preferred Qualifications • Degree in Computer Science, Software Engineering, or a related technical discipline, or equivalent practical experience.