7 of 7 AWS Step Functions Jobs in the City of London

LLM APIs Design end-to-end agentic and RAG-based solutions for enterprise use Own delivery from proof-of-concept through to production Work with cloud-native architectures (e.g. AWS Lambda, Step Functions) Lead and guide junior engineers within project teams Key Details Salary : £100,000–£130,000 + benefits Working model : Hybrid (3 days/week … in London office) Tech stack : Python, LLMs (OpenAI/Claude), Docker, CI/CD, microservices, AWS If you're a strong backend or platform engineer passionate about GenAI and excited to ship high-impact tools, this is the opportunity to step into it. Budget Salary range: £100k–£130k base Benefits: Standard package Sponsorship: Yes Hybrid: 3 days/ More ❯

LLM APIs Design end-to-end agentic and RAG-based solutions for enterprise use Own delivery from proof-of-concept through to production Work with cloud-native architectures (e.g. AWS Lambda, Step Functions) Lead and guide junior engineers within project teams Key Details Salary : £100,000–£130,000 + benefits Working model : Hybrid (3 days/week … in London office) Tech stack : Python, LLMs (OpenAI/Claude), Docker, CI/CD, microservices, AWS If you're a strong backend or platform engineer passionate about GenAI and excited to ship high-impact tools, this is the opportunity to step into it. Budget Salary range: £100k–£130k base Benefits: Standard package Sponsorship: Yes Hybrid: 3 days/ More ❯

What You’ll Be Doing Analyse and understand system interfaces and data flows across our enterprise. Design and maintain clear, business-aligned data models. Build and support integrations using AWS services (Lambda, Step Functions, S3, MSK/Kinesis, API Gateway). Ensure data transformations are well documented, traceable, and consistent. Collaborate with product owners, architects, and business … end-to-end and drive continuous improvement. Champion standardisation of integration patterns and documentation. 🧠 What You’ll Bring Proven experience in data engineering or integration engineering. Strong proficiency with AWS cloud-native services. Solid SQL skills and scripting experience (Python preferred). Expertise in data modelling and mapping complex transformations. Familiarity with ETL/ELT tools and streaming technologies More ❯

What You’ll Be Doing Analyse and understand system interfaces and data flows across our enterprise. Design and maintain clear, business-aligned data models. Build and support integrations using AWS services (Lambda, Step Functions, S3, MSK/Kinesis, API Gateway). Ensure data transformations are well documented, traceable, and consistent. Collaborate with product owners, architects, and business … end-to-end and drive continuous improvement. Champion standardisation of integration patterns and documentation. 🧠 What You’ll Bring Proven experience in data engineering or integration engineering. Strong proficiency with AWS cloud-native services. Solid SQL skills and scripting experience (Python preferred). Expertise in data modelling and mapping complex transformations. Familiarity with ETL/ELT tools and streaming technologies More ❯

Cache (APCu/Redis/Memcache), Service Locators, Compiler Passes, Bundles, Console Excellent knowledge and experience of developing horizontally scaling and highly available solutions Excellent knowledge and experience with AWS services such as SQS, Step Functions, Kinesis, S3, DynamoDB, Lambda, EC2, Auto-Scaling Experience designing APIs and workflows for Lambda functions with strict per-call timeouts More ❯

Cache (APCu/Redis/Memcache), Service Locators, Compiler Passes, Bundles, Console Excellent knowledge and experience of developing horizontally scaling and highly available solutions Excellent knowledge and experience with AWS services such as SQS, Step Functions, Kinesis, S3, DynamoDB, Lambda, EC2, Auto-Scaling Experience designing APIs and workflows for Lambda functions with strict per-call timeouts More ❯

software engineer, own understanding of business problems, design, implementation and release of critical features across our stack Design and develop scalable, efficient solutions primarily using JavaScript/TypeScript and AWS technologies, but be prepared to work with a variety of other languages and tools as needed Be comfortable switching between frontend, backend, devops, and data engineering tasks as the … 5+ years of professional experience in software development, with a proven track record of delivering impactful projects You're highly proficient in JavaScript and TypeScript, with extensive experience in AWS services (e.g., Lambda, Step functions, AppRunner, ECS). You have experience with data processing techniques, working with large datasets and are confident using SQL You're well More ❯