20 of 20 AWS Lambda Jobs in the City of London

Lead C# Engineer - Agentic Workflows & AI Engineering, AWS

Hiring Organisation
Smart Sourcer Limited
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
From £800 to £900 per day OUTSIDE IR35
Lead C# Engineer - Agentic Workflows & Native AI Engineering, .Net 8/9, AWS (Lambda, SQS) OUTSIDE IR35 Reporting to the Director of Engineering, this is a genuinely outstanding contract opportunity for a rockstar Senior C# Engineer to lead the development of a greenfield SaaS product . Were looking … C# and .NET Core 8/9 , capable of architecting and leading the design of distributed REST API microservices at scale. Authority in AWS serverless architecture; Lambda-first, with strong working knowledge of API Gateway, SQS, Step Functions, EventBridge and IAM, and a track record of shipping production ...

Software Engineer - Contract

Hiring Organisation
ONMO
Location
City of London, London, United Kingdom
with the negative aspects of money and more on the positive - enjoying what the world has to offer. ABOUT THE ROLE Tech Stack Backend : AWS Serverless Service, including Lambda, API Gateway, DynamoDB, S3, SNS, SQS, EventBridge, Kinesis, Node.js, YAML Frontend : React/Next.js, React Native Programming Languages : TypeScript … participate in product planning meetings and provide technical input to guide the team's priorities. Design, develop, and maintain full-stack applications using Node.js, AWS Lambda, React with Next.js, TypeScript, and Terraform. Write clean, efficient, and well-tested code that adheres to best practices and coding standards. Ensure ...

Software Engineer

Hiring Organisation
5V Video
Location
City of London, London, United Kingdom
streaming ecosystem. What You’ll Be Working On Building and supporting APIs and microservices in production Developing backend systems using Python + AWS (Lambda, API Gateway, S3, DynamoDB) Working with event-driven systems (Kafka, SNS/SQS, etc.) Supporting and improving existing production systems Debugging real-world issues … keeping systems stable at scale Collaborating within an existing team + codebase (pragmatic engineering) Tech Stack Python AWS (Lambda, API Gateway, S3, DynamoDB, IAM) Event-driven systems (Kafka, SNS/SQS) Databases (Postgres, DynamoDB, Couchbase) CI/CD (Concourse, Git workflows) Observability (Prometheus, Grafana, CloudWatch) What ...

Lead Software Engineer

Hiring Organisation
5V Video
Location
City of London, London, United Kingdom
critical services across the ecosystem. What You’ll Be Working On Designing and delivering scalable APIs and microservices Building backend systems using Python + AWS (Lambda, API Gateway, S3, DynamoDB) Handling event-driven architectures (Kafka, SNS/SQS, etc.) Driving system design decisions across distributed systems Improving observability … performance in production Debugging complex issues and leading resolution across teams Staying hands-on while setting technical direction and standards Tech Stack Python AWS (Lambda, API Gateway, S3, DynamoDB, IAM) Event-driven systems (Kafka, SNS/SQS) CI/CD (Concourse, Git workflows) Databases (Postgres, DynamoDB, Couchbase) Observability ...

Mainframe Engineer

Hiring Organisation
Impellam Group
Location
City of London, London, United Kingdom
/online banking customers. The person will have hands-on experience with Mainframe Technologies such as CICS and DB2, along with an understanding of AWS Services This role is based in London. This role will be Via Umbrella. Working in a Hybrid Model of 1 day a week … focusing on mainframe systems and related infrastructure. Work on test data support requirement for the teams within Digital Channels Collaborate closely with DataPower and AWS teams to understand integration points and troubleshoot cross-platform dependencies. Monitor AWS cloud resources including CloudWatch for logging and alerting, DynamoDB for database ...

Mid-Senior Ruby on Rails Engineer (B2B SaaS | Hybrid | UK)

Hiring Organisation
Transreport
Location
City of London, London, United Kingdom
security and data integrity standards. Integrations: Manage third-party integrations, ensuring reliable and secure data exchange. Infrastructure Collaboration: Work with the Platform team on AWS-based deployments and CI/CD processes. Performance & Reliability: Optimise background processing and database performance to maintain system stability. Incident Response: Support investigation … processing using Sidekiq and Redis. Solid understanding of RESTful API design, JSON serialization, and authentication (e.g., JWT, SSO). Hands-on experience with AWS services and containerised deployments (Docker). Experience troubleshooting and supporting production systems. Comfortable working within and improving existing codebases. Ability to prioritise effectively and manage ...

Solution Architect

Hiring Organisation
Morson Edge
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£800 - 825 per day
AWS Solution Architect Contract Opportunity Remote (1day per quarter in London) £800-£825 p/d Inside IR35 Initial 6 month contract Morson Edge are working with a large retail client on a key programme, and we're are looking for a Senior Solution Architect to lead the design … digital services. This is a high-impact role where you'll take ownership of solution architecture across multiple projects, with a strong focus on AWS and serverless technologies. As a Senior Solution Architect, you will : Lead the end-to-end architecture for key programmes, ensuring alignment with business goals ...

Program Manager

Hiring Organisation
Experis UK
Location
City of London, Greater London, UK
Role Overview The Program Manager will lead, plan, and deliver complex initiatives leveraging AWS cloud technologies. This role requires strong program governance, stakeholder management, and cloud transformation experience. The ideal candidate will drive large-scale cloud programs from inception to completion, aligning business objectives with technical delivery. Key Responsibilities … Oversee and manage multiple concurrent AWS-related projects across business and technical teams. Develop program charters, roadmaps, budgets, and resource plans aligned to strategic goals. Partner with cloud architects, DevOps engineers, and business stakeholders to define and deliver program outcomes. Manage program risks, dependencies, and escalations using structured frameworks ...

Senior Full stack Engineer

Hiring Organisation
Hera
Location
City of London, London, United Kingdom
standards through code reviews What they’re looking for Strong fullstack experience with TypeScript, Node.JS and modern frontend tooling Experience working with serverless architectures (AWS, Lambda, APIs) Track record of building and scaling production systems Solid testing mindset (unit + end-to-end) Comfortable working in environments where ...

Senior C# Engineer - Agentic AI, AWS, .Net 9

Hiring Organisation
Smart Sourcer Limited
Location
City, London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 800 - 900 Daily
Senior C# Engineer - Agentic Workflows & Native AI Engineering, .Net 8/9, AWS (Lambda, SQS) OUTSIDE IR35 Reporting to the Director of Engineering, this is a genuinely outstanding contract opportunity for a rockstar Senior C# Engineer to lead the development of a greenfield SaaS product click apply ...

Lead C# Engineer - Agentic Workflows & AI Engineering, AWS

Hiring Organisation
Smart Sourcer Limited
Location
City, London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 800 - 900 Daily
Lead C# Engineer - Agentic Workflows & Native AI Engineering, .Net 8/9, AWS (Lambda, SQS) OUTSIDE IR35 Reporting to the Director of Engineering, this is a genuinely outstanding contract opportunity for a rockstar Senior C# Engineer to lead the development of a greenfield SaaS product click apply ...

Director, Application Architecture, Content Platforms

Hiring Organisation
S&P Global
Location
london (city of london), south east england, united kingdom
platform-centric company Partner with Technology, Product Management, and Business Stakeholders to analyze business strategy and translate requirements into scalable, serverless cloud architectures using AWS services Design and build application and technology architecture concepts, creating comprehensive architecture artifacts while establishing project scope, estimates, and deliverable timeframes for business case … open-source ecosystem, with strong experience in building enterprise-scale applications and microservices architectures Proven experience designing and implementing cloud-native architectures using AWS services such as Lambda, EC2, S3, RDS, API Gateway, and CloudFormation Strong background in database technologies, including both relational and NoSQL database solutions ...

Junior AWS Platform Engineer - Quant Hedge Fund (London / Hybrid)

Hiring Organisation
Winston Fox
Location
City of London, London, United Kingdom
Junior AWS Platform Engineer with 1-3 years of experience sought to join a leading Quant Hedge Fund, famed for their friendly and supportive culture. The firm are looking for an AWS-focused Platform Engineer to assist with their ongoing Cloud adoption and to collaborate directly with Quant … Software teams, providing expertise and guidance in infrastructure usage. The opportunity would suit someone with a combination of strong development and operational skills across AWS, Terraform and Scripting (Python, Bash, PowerShell...) as well as commercial Linux and Docker experience. Responsibilities: Your key tasks will be to facilitate the wider ...

Senior Java Developer (Low-Latency Payments Systems)

Hiring Organisation
RE Partners
Location
City of London, Greater London, UK
workflows. Work with XML-based messaging standards and protocols commonly used in financial transactions. Deploy, monitor, and scale applications in Red Hat OpenShift and AWS cloud environments. Integrate with MongoDB and other NoSQL/SQL datastores for real-time data management. Collaborate with DevOps, Product, and QA teams … with XML and message parsing/transformation. Hands-on experience deploying applications on Red Hat OpenShift and/or Kubernetes. Strong cloud experience with AWS services such as ECS, EKS, Lambda, S3, etc. Solid understanding of MongoDB and NoSQL design patterns. Prior experience in Payments Processing, financial services ...

Senior Data Engineer (Ref: 196438)

Hiring Organisation
Forsyth Barnes
Location
City of London, London, United Kingdom
platforms that support financial institutions in tackling fraud and financial crime. In this role, you will help design and evolve a modern Databricks + AWS lakehouse architecture , enabling analytics, machine learning, and investigative teams to generate actionable insights from large-scale datasets. This is a hands-on leadership position … Design and manage secure data ingestion frameworks (e.g. Apache NiFi, APIs, SFTP/FTPS) for internal and external data sources Architect and maintain secure AWS-based data infrastructure (S3, IAM, KMS, Glue, Lake Formation, Lambda, Step Functions, CloudWatch, etc.) Implement orchestration using tools such as Airflow, Databricks Workflows ...

Platform Engineer

Hiring Organisation
Vallum Associates
Location
City of London, London, United Kingdom
heavily on DevOps, infrastructure, and platform engineering, enabling scalable, secure, and automated migration and ingestion of enterprise data. Key Responsibilities Own and evolve the AWS/CDP architecture for data migration, ingestion, and downstream consumption Define and enforce engineering standards (Terraform, CI/CD, pipeline design, naming conventions) Lead … platform engineering and infrastructure delivery (IaC, networking, security, environment setup) Oversee migration of ~8–10 enterprise databases into AWS using DMS and CDC patterns Ensure migration pipelines are scalable, automated, and resilient Enable event-driven and batch data pipelines (S3, Lambda, orchestration) Ensure data lineage, cataloguing, and documentation ...

Lead GO Developer

Hiring Organisation
Intec Select Ltd
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP 70,000 - 75,000 Annual
queries in PostgreSQL Build clean, well-documented RESTful APIs and service integrations Contribute to containerised environments using Docker and maintain cloud-native services on AWS Participate in architecture discussions, CI/CD pipelines, and quality assurance processes Mentor peers, share knowledge, and promote best practices in backend development Skills … with PostgreSQL and libraries such as sqlx and gorm Solid understanding of Docker and containerised development Experience building RESTful APIs and integrating services Desirable: AWS services (Lambda, EventBridge, SQS), microservices architecture, CI/CD tooling, event-driven systems ...

Senior Full Stack Engineer - Python/React or Angular

Hiring Organisation
Venator Recruitment
Location
City of London, Greater London, UK
data exploration Redis for caching and task queues GitHub, Codeship and Heroku for seamless code review, integration and deployment Claude Code for agentic coding AWS S3, CloudFront and Lambda for storage and content delivery Cypress for end-to-end testing Third party APIs: OpenAI, Stripe, Twilio, Sendgrid, Mailchimp ...

Junior Fullstack Engineer

Hiring Organisation
Explore Group
Location
City of London, London, United Kingdom
risks effectively. Their platform offers software solutions that support enterprise risk management, compliance management, health and safety, and incident reporting. Stack: React, Node, Nextjs, AWS Responsibilites: Develop and maintain responsive web applications using React and Next.js for frontend development. Write scalable, reusable, and efficient TypeScript code for both frontend … manage APIs with Node.js to handle server-side logic and integrate with databases and external services. Design, implement, and deploy cloud-based applications on AWS, including services like EC2, Lambda, and S3. Collaborate with design and product teams to translate user needs into functional, high-performance features. Please ...