Javascript Developer at Sanderson, London Area, £600 per day

Full-Stack Node.js / AWS Engineer - Greenfield Middle-Office Investment Transformation

• Location: London (1-2 day per week onsite)
• Day Rate: £600 Per day Outside IR35
• Duration: 6 Months + Extensions

We are currently supporting a leading FTSE 100 Wealth & Asset Management organisation in their search for an experienced AWS / TypeScript Integration Engineer to join a key integration and transformation programme.

This role is suited to a technically strong engineer with proven experience designing and delivering enterprise integrations within cloud-native environments. You will work closely with business stakeholders, third-party vendors, architects, and engineering teams to develop scalable, secure, and robust integration solutions.

Key Responsibilities:

• Gather and analyse integration requirements from business and third-party stakeholders.
• Collaborate with stakeholders to define and agree integration patterns and approaches.
• Design end-to-end integration solutions across multiple systems and platforms.
• Work alongside the Integration Manager to coordinate and support integration delivery activities.
• Present solutions within architecture review boards and technical governance forums.
• Develop and maintain BDD test scenarios using Cucumber.
• Support QA and end-to-end testing activities.
• Define deployment, migration, release, and cutover strategies for integration components.
• Ensure integration solutions align with enterprise architecture and security standards.

Required Technical Skills:

• Backend Development: TypeScript, Node.js
• Cloud & Infrastructure: AWS, Terraform
• AWS Services: API Gateway, Lambda, ECS, Kubernetes
• Testing: Cucumber, Mockito

Experience & Attributes:

• Strong experience delivering enterprise integration solutions.
• Proven solution design and technical architecture capability.
• Excellent communication and stakeholder management skills.
• Ability to engage effectively with both business and technical audiences.
• Strong analytical and problem-solving skills.
• Experience working within large and complex enterprise environments.