1 to 25 of 82 AWS Lambda Jobs in the City of London

AWS | Lambda | ECS | SaaS | AdTech | Media | Amazon Web Services | Cloud | DevOps | SQL | Database | Snowflake Are you excited by working on large scale Data SaaS? A business that offers stability and scalability? I've partnered an AdTech growing both organically and with the their PE backing looking for Cloud … they transition from their 3rd party providers. You'll be working alongside two other new heads in the Cloud team to help scale their AWS Infrastructure in a secure way, supporting Snowflake and SQL databases. The Infrastructure currently looked after by a 3rd party, uses Lambda, AWS ...

AWS Architect | London/Hybrid | £90,000 - £110,000 | Lambda | Snowflake | AWS | Amazon Web Services | API Gateway | AWS Glue | Are you interested in working for a growing company within the Media & Advertising space who have double in size over the last 2 years? I am supporting … insights for advertising services and a multilayered communication platform. They’re looking to bring their Cloud team inhouse and are looking for an AWS Architect/Tech Lead to join the team. You will be working with 3 parties to run a handover before taking ownership of their cloud ...

fintech scale-up working with top-tier global financial institutions. The role involves building and scaling backend systems in Node.js and Python, deploying on AWS (Lambda, DynamoDB, PostgreSQL), and collaborating closely across engineering, product, and customer teams. 💼 Ideal Candidate: Proven experience with backend/fullstack development using Node.js … Python , and AWS serverless architecture Strong database design skills (PostgreSQL, DynamoDB, Elasticsearch) Familiarity with frontend frameworks like Vue or React Comfortable mentoring developers and influencing technical direction Experience in financial services or a data-heavy B2B environment is a plus 🛠 Tech Stack: Node.js , Python , AWS (Lambda, DynamoDB ...

Cloud Engineers - London - Hybrid - £50-80k - AWS, Lambda, SQL Ready to play a key role in shaping a brand-new Cloud function? We’re working with a rapidly growing company in the Media & Advertising sector. They've doubled in size over the past two years … experienced Cloud Engineers to help drive this initiative forward, with openings at both Mid-Level and Senior positions depending on your background. Tech stack: AWS, Lambda, SQL Location: Central London, 2-3 days in office per week Offering £50-80k and a strong benefits package, including enhanced ...

Infrastructure & Cloud Engineer (AWS) – Contract Contract Length: 6 months (initial) Rate: £500 per day IR35: Outside IR35 Location: London (some onsite presence required) We are seeking an experienced Infrastructure & Cloud Engineer to support a globally recognised organisation in the creative sector during a period of technology transformation. This … hands-on contract role with responsibility for designing, implementing, and maintaining secure, scalable, and highly available AWS-based infrastructure. Key Responsibilities Design, implement, and manage AWS cloud architecture ensuring scalability, resilience, and high availability Automate infrastructure and application provisioning, configuration, and deployment Manage containerised environments (Amazon ...

Required Technical Skills Data Pipeline & ETL Design, build, and maintain robust ETL/ELT pipelines for structured and unstructured data Hands-on experience with AWS Glue and AWS Step Functions Implementation of data validation, data quality frameworks, and reconciliation checks Strong error handling, monitoring, and retry strategies … production pipelines Experience with incremental data processing patterns (CDC, watermarking, upserts) AWS Data Services Amazon S3: data lake architectures, partitioning strategies, lifecycle policies DynamoDB: data modeling, secondary indexes, streams, and performance optimization Amazon Redshift: foundational querying, integrations, and performance considerations AWS Lambda for scalable data processing ...

front end. * You have experience writing microservices on top of container-based architectures (e.g., K8s, Docker). * You have native experience with AWS, Azure, or similar platforms, e.g., Google Cloud. The Build Circle Community Build Circle is proud of our trusted community of engineers joined by some … technology we are currently using: * .NET Core 3.1, Node.js, Python, Java/Kotlin * Kubernetes, Terraform, infrastructure-as-code * Typescript, React, Node, GraphQL, Apollo * AWS: Lambda, ECS, CloudFront, API Gateway, DynamoDB, Aurora, S3, SQS, SNS, Kinesis * Azure, Functions * Prometheus, Grafana, Cloudwatch for monitoring * "Elasticsearch, Logstash, Kibana" for logging * Azure ...

annum Location: Fully Remote (UK-based) What you’ll be doing: Design, build, and optimise scalable software using Node.js, TypeScript, React, AWS Lambda, Step Functions, DynamoDB Contribute to architecture discussions and ensure solutions are secure, cloud-native, and maintainable Use AI-assisted tooling to speed up development, testing … need: Strong full stack experience with a backend-first mindset Expertise in Node.js, TypeScript, React , and modern cloud engineering Hands-on experience with AWS serverless , particularly Lambda, Step Functions, DynamoDB Solid understanding of scalable architecture and performance optimisation Experience in scale ups, startups, or SMEs where speed, ownership ...

systems. Strong QA background (8+ years), with 5+ in automation. Hands-on experience with Playwright. Exposure to Selenium, Cypress, or Cucumber advantageous. Solid AWS experience: CI/CD, CloudFormation/Terraform, monitoring. Knowledge of containers/orchestration (Docker, ECS, EKS, Kubernetes). Comfortable working in Agile environments with strong … initiative and ownership. Nice to Have Experience building automation in serverless environments (AWS Lambda). Understanding of AWS security best practices. Familiarity with market data. If this is of interest please apply and/or reach out to me at: sam.horscroft@harringtonstarr.com ...

Hybrid Salary: £80,000 - £110,000 + Stock Options + Benefits Tech Stack Cloud-native platform. Experience with the following will be highly desirable: AWS – Lambda, API Gateway, Cognito, S3 and OpenSearch Node.js/TypeScript and Python DynamoDB and PostgreSQL Serverless Architecture and microservices patterns. Infrastructure tools like … Take ownership of system reliability, performance, and security in a healthcare context. Key Skills: 5+ years of backend engineering experience in production environments. Strong AWS proficiency - hands-on experience building and deploying systems in the cloud. Familiarity with embedding models, chunking strategies, and semantic search. Experience working ...

Senior Software Engineer (Python/AWS) £90 - £100k 📍 Location: London or Manchester 💼 Employment Type: Full-time, Permanent About the Role We’re looking for a Senior Software Engineer with deep experience in Python and AWS to help design, build, and scale distributed, data-driven Ad-Tech systems. … Design, and Data teams to align on priorities and ensure value is delivered incrementally. Core Tech Stack Languages: Python (FastAPI, Flask, or Django) Cloud: AWS (Lambda, ECS/Fargate, S3, DynamoDB, CloudWatch, API Gateway) Data & Messaging: PostgreSQL, Redis, Kafka or SQS CI/CD & Infrastructure: Docker, Terraform, GitHub ...

Hybrid Salary: £80,000 - £110,00 + Stock Options + Benefits Tech Stack Cloud-native platform. Experience with the following will be highly desirable: AWS – Lambda, API Gateway, Cognito, S3 and OpenSearch Node.js/TypeScript and Python DynamoDB and PostgreSQL Serverless Architecture and microservices patterns. Infrastructure tools like … Take ownership of system reliability, performance, and security in a healthcare context. Key Skills: 5+ years of backend engineering experience in production environments. Strong AWS proficiency - hands-on experience building and deploying systems in the cloud. Familiarity with embedding models, chunking strategies, and semantic search. Experience working ...

experience in backend engineering, cloud systems, and architectural thinking. Tech Stack We’re cloud-native platform. Experience with the following will be highly desirable: AWS – Lambda, API Gateway, Cognito, S3 and OpenSearch Node.js/TypeScript and Python DynamoDB and PostgreSQL Serverless Architecture and microservices patterns. Infrastructure tools like … system reliability, performance, and security in a healthcare context. What We’re Looking For: 5+ years of backend engineering experience in production environments. Strong AWS proficiency - hands-on experience building and deploying systems in the cloud. Familiarity with embedding models, chunking strategies, and semantic search. Experience working ...

AWS Solutions Architect - Travel & Hospitality Location: London Hybrid (within 1-2 hours commuting distance) Salary: c£130,000 base + £40,000 bonus A leading global technology consultancy is seeking an experienced AWS Solutions Architect to join their specialist Travel & Hospitality practice. This is a senior, high-impact … deliver cloud-based solutions that transform how some of the world’s best-known travel brands operate. You'll need proven experience delivering AWS-based solutions for clients in the travel and hospitality sector, and a background in designing and implementing AWS solutions specifically for these industries. ...

forefront of AI in healthcare. The Opportunity You will design, build, and optimise cloud-first backend systems, with a strong emphasis on AWS Serverless , LLM-powered workflows, and highly reliable production infrastructure. This is the chance to help define how AI is safely deployed in frontline clinical environments. Tech … Stack (Highly Desirable) AWS (Lambda, API Gateway, Cognito, S3, OpenSearch) Node.js/TypeScript & Python DynamoDB & PostgreSQL Serverless & microservices architecture Terraform, Docker, CI/CD Security/Compliance (HIPAA, GDPR, NHS DTAC, SOC2) What You’ll Do Build highly scalable backend services and APIs Work on LLM-powered features ...

agile environment What You’ll Work With Backend: Node.js (plus some Python, C++) Frontend: JavaScript (Vue.js) & TypeScript Data: PostgreSQL & DynamoDB Cloud & CI/CD: AWS Lambda, GitHub Actions Nice to Haves Financial services or large‐scale market data experience Python & C++ Development experience Database partitioning/re‐architecture … appetite to step up) Modern software engineering/development practices, including micro-services, agile, TDD, etc. and common system integration patterns Knowledge of AWS services and IaC Why Join/Projects Re‐architect and scale core services powering a must‐have analytics product Get the product ready for some ...

within an agile, product-focused environment Help improve platform reliability, observability, and performance Tech Stack Languages: Kotlin, Java Frameworks: Spring Boot, Ktor (desirable) Cloud: AWS (Lambda, ECS, S3, DynamoDB, RDS) Messaging: Kafka, SNS/SQS Tools: Docker, Kubernetes, GitHub Actions, Terraform Methodologies: TDD/BDD, CI/… Strong experience with Java and/or Kotlin in production systems Solid understanding of microservices and distributed systems Experience with cloud-native development (AWS preferred) Knowledge of relational and NoSQL databases Familiarity with event-driven architectures Passion for clean code, testing, and engineering excellence Excellent communication and a collaborative ...

cloud-native, modern, TypeScript-first platform. Experience with any of the following is a bonus, you do not need all of them. Backend & Infrastructure AWS (Lambda, API Gateway, Cognito, S3, OpenSearch) Node.js/TypeScript Python PostgreSQL & DynamoDB Serverless architecture & microservices Docker, CI/CD pipelines Cloud security & compliance … desire to build the future of clinical decision support. Nice to Have Experience coding in TypeScript, JavaScript, Python, or similar. Understanding of cloud systems (AWS preferred). Familiarity with LLMs, embeddings, or semantic search. A portfolio of side projects, tools, or apps you’ve built (clinical or not). ...

DevSecOps Engineer Location: London, hybrid (1–2 days per week in the office) Salary range: £75,000–£84,000 + benefits Tech: AWS (EC2, Lambda, RDS, Route53, ELBs, EKS), Terraform, Kubernetes, Docker, CI/CD (Jenkins, GitHub Actions, CodePipeline), Python/Bash, Ansible, Security frameworks (CIS, OWASP), ** Sponsorship … working closely with developers, QA and product teams to protect customer data and drive platform innovation. Key responsibilities include: Designing and maintaining secure, scalable AWS infrastructure with Terraform, Kubernetes and Docker. Embedding security into CI/CD pipelines (Jenkins, GitHub Actions, CodePipeline) through SAST/DAST and dependency scanning. ...

alignment with business goals. Utilize programming expertise in Python, Scala, and SQL for efficient data processing. Build data pipelines using cloud-native services on AWS, including Lambda, Glue, Redshift, and API Gateway. Monitor and optimise data solutions using AWS CloudWatch and other tools. What We’re Looking … pipeline Expertise in Python, PySpark and SQL languages Expertise with Spark and Airflow Experience of designing data pipelines using cloud native services on AWS Extensive knowledge of AWS services like API Gateway, Lambda, Redshift, Glue, Cloudwatch, etc. Iac experience of deploying AWS resources using terraform Hands ...

delivery, you will design, build, and operate the runtime, infrastructure, and operational layers supporting RAG pipelines, LLM orchestration, vector search, and evaluation workflows across AWS and Databricks. Working closely with senior AI engineers and product teams, you'll ensure AI systems are scalable, observable, secure, and cost-efficient, turning … products. Build, operate, and optimise RAG and LLM-backed services, improving latency, reliability, and cost. Design and run cloud-native AI services across AWS and Databricks, including ingestion and embedding pipelines. Scale and operate vector search infrastructure (Weaviate, OpenSearch, Algolia, AWS Bedrock Knowledge Bases). Implement strong observability ...

TypeScript, JavaScript Mobile: React Native, Expo State & Data: TanStack Query, Zustand Web: React, Next.js CI/CD: GitHub Actions Backend: Node.js, Java, Python Cloud: AWS (Lambda, S3, CloudFront, EC2), Docker, Terraform Data: PostgreSQL What They’re Looking For Technical 4+ years’ experience building production-grade mobile applications Strong ...

client has an AWS Architect for a suited candidate to start next week. The role will require deep expertise in cloud infrastructure, networking, and security. The key specialist areas include: Proven experience architecting solutions using AWS ECS, EKS, Lambda, and EC2. AWS Governance & Multi-Account Management … AWS Organisations, Service Control Policies (SCPs), Landing Zone best practices. Define and assist in implement best practices for networking, identity, and storage in AWS. Produce high-level and low-level designs (HLDs, LLDs) in line with Defra's CCoE design standards. Develop and present options papers to support architectural ...

payments and financial data . You will define end-to-end As-Is to To-Be data architecture, build resilient streaming pipelines, and architect AWS-native lakehouse platforms capable of handling tens of millions of events per day . This role requires close collaboration with engineering, platform, and business … short-term, low-latency layer) Channel Analytics Data Lake (long-term historical layer) Define and expose status and statement APIs with clear SLAs. Architect AWS lakehouse solutions using S3, Glue, Athena, Iceberg, and Redshift . Enable analytics and dashboards using Amazon QuickSight . Streaming & Event-Driven Design Build event ...

scale Integrating external services and expanding platform capabilities Our Tech Stack Node.js/TypeScript (core backend choice) PostgreSQL and Redis REST or GraphQL APIs AWS (Lambda, ECS, RDS) or similar cloud platforms Docker, GitHub Actions, and automated testing What They're Looking For Strong backend development experience (Node.js ...