AWS with Type Script

Job Title AWS Application Developer (Hands-on) – TypeScript | Serverless & Event-Driven Architecture Location: London Duration :Contract Role Summary We are looking for a highly hands-on AWS Application Developer with deep TypeScript expertise and strong serverless/event-driven engineering skills. This role requires building and operating production-grade solutions using AWS Lambda, EventBridge, Kinesis Streams, DynamoDB, and S3, while also contributing to architecture discussions, proposals, and stakeholder engagement with customer Enterprise Architects. Key Responsibilities 1. Hands-on Engineering (Primary Focus) • Design, develop, and deploy TypeScript-based AWS services with a strong emphasis on serverless implementations • Build event-driven integrations using Amazon EventBridge, including routing, filtering, replay/error handling patterns. • Implement stream processing / real-time ingestion using Amazon Kinesis Data Streams (consumer patterns, batching, checkpointing, scaling). • Develop resilient AWS Lambda functions with proper observability, retries, idempotency, and performance tuning. • Build data persistence and access patterns using Amazon DynamoDB (partition/sort key design, GSIs, TTL, conditional writes). • Use Amazon S3 for object storage patterns (event triggers, lifecycle policies, encryption, pre-signed URLs where applicable). 1. API & Integration Development • Implement APIs using API Gateway and integrate with Lambda/DynamoDB. • Build async workflows and messaging patterns (SQS/SNS as needed) alongside EventBridge and streams. 1. Quality, Testing, and DevOps • Write comprehensive unit/integration tests (e.g., Jest; use LocalStack where appropriate). • Work within CI/CD pipelines and DevOps practices to release frequently and safely. • Ensure code quality, security posture, and automation standards are maintained. 1. Architecture, Proposals & Enterprise Architect Collaboration • Contribute to architecture design and optimization of AWS solutions (scalability, resilience, security). • Produce technical artefacts: solution approach, diagrams, assumptions, and estimates for proposals / SOW inputs. • Collaborate with customer Enterprise Architects and senior stakeholders to align designs to enterprise standards and governance. Required Skills & Experience (Must-Have) • Strong TypeScript (hands-on) — building production services (Node.js runtime where applicable) • AWS Lambda (hands-on) — serverless development and production support. • Amazon EventBridge (hands-on) — event-driven design and implementation. • Amazon DynamoDB (hands-on) — data modelling and performance-aware access patterns. • Amazon S3 (hands-on) — storage integration patterns and secure access controls. • Amazon Kinesis Data Streams (hands-on) — stream ingestion/processing and consumer patterns. • Experience with supporting AWS services like API Gateway and CloudFormation (or AWS CDK). • Strong understanding of cloud architecture and ability to work with enterprise architecture stakeholders. • Strong knowledge of AWS secutity recommendations Preferred Qualifications • AWS certifications: Developer Associate / Solutions Architect. • Experience with microservices and security best practices in cloud environments.