Senior Full Stack Developer

Deloitte — United Kingdom · Posted ~2 hours ago

Senior Contract Onsite Visa History ✓

Skills

React Angular Vue.js full-stack development API development microservices responsive UI development cloud platforms system performance optimization REST APIs

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Summary ✨ AI‑Generated

A senior full-stack contract role for an experienced engineer who can design, develop, and deliver scalable applications. You will work across modern frontend frameworks, backend services, APIs, microservices, integrations, and cloud platforms while contributing to architecture and mentoring less-experienced developers. The position requires regular onsite work in London and is available for an immediate start.

Highlights

Senior contract opportunity focused on scalable, high-performance application development, with responsibility across frontend, backend, APIs, integrations, cloud technologies, and architecture. The role includes opportunities to mentor other developers and influence technical direction.

Description

Contract Role: Senior Full Stack Developer | React | Angular | Vue Contract Location: London 4-5 days onsite each week Contract Start: Starting ASAP (inside IR35) Contract duration: End of 2026 Payroll provider: Rockford Payroll Info for Contingent Workers – Rockford Pay Role Summary Deloitte are looking for a highly skilled Senior Full Stack Developer to join our team and lead the design, development, and delivery of scalable, high-performance applications. The ideal candidate has strong expertise in both front-end and back-end technologies, experience with cloud platforms, and the ability to mentor junior developers while driving architectural and strategic decisions. Key Responsibilities Technical Delivery Design, develop, and maintain full-stack applications using modern frameworks and technologies. Build scalable APIs, microservices, and integrations. Develop high-quality, responsive UI components with an eye for performance and usability. Optimize system performance, reliability, and scalability. Architecture & Design Contribute to application architecture decisions and long-term technology strategy. Create technical designs, sequence diagrams, and solution documentation. Implement coding standards, best practices, and reusable components. Cloud & DevOps Utilize CI/CD pipelines for end-to-end automation. Work with cloud platforms (e.g., Azure/AWS/GCP) for application hosting and deployments. Manage application monitoring, logging, and performance tuning. Collaboration & Leadership Work closely with Product Owners, Designers, and cross-functional teams to deliver features. Perform code reviews and provide technical mentorship to junior and mid-level developers. Participate in sprint planning, grooming, estimation, and Agile ceremonies. Required Skills & Experience Technical Expertise Strong proficiency in front-end technologies: React / Angular / Vue HTML5, CSS3, JavaScript/TypeScript Solid experience in back-end technologies: Node.js / .NET / Java / Python REST APIs, GraphQL Strong understanding of databases: SQL (PostgreSQL, MySQL, SQL Server) NoSQL (MongoDB, Cosmos DB, DynamoDB) Hands-on experience with cloud services, ideally Azure or AWS. Experience with CI/CD pipelines (GitHub Actions, Azure DevOps, Jenkins, etc.). Containerization & orchestration (Docker, Kubernetes) is a plus Soft Skills Strong problem-solving abilities and analytical thinking. Excellent communication and stakeholder engagement skills. Ability to work independently and lead technical initiatives. Experience working in Agile/Scrum teams. Preferred Qualifications Extensive experience of professional full-stack development experience. Experience with microservices, event-driven architectures, or serverless technologies. Exposure to security practices, OAuth2, SSO, and secure coding principles. Prior experience mentoring teams or leading development streams| DataBricks, PowerBI, Python