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