701 to 725 of 814 AWS Jobs in London

web applications. Key Responsibilities Develop high-quality, scalable applications using Node.js, TypeScript, and React Optimise data flow between databases and applications Manage and optimise AWS cloud infrastructure Collaborate with cross-functional teams to integrate new features and technologies Mentor junior developers and promote a culture of continuous learning What … experience in an engineering role, with strong backend expertise in Typescript and Node and front capability in React Proficiency in SQL, Redux, cloud services (AWS or GCP), RESTful API design and GraphQL Strong analytical skills with the ability to design, optimise, and troubleshoot complex UIs Excellent communication and leadership skills ...

procedures, and data processing logic Design and build backend services in Python or C# Modernise legacy platforms and improve system performance Build and maintain AWS-hosted services and APIs Collaborate with distributed engineering and product teams Top Skills Required Advanced SQL Server expertise (performance tuning, indexing, complex queries) – non-negotiable … Backend development in Python or C# AWS environment experience Proven experience in enterprise or legacy systems – critical Strong analytical and problem-solving abilities We'd expect you to have around 10 years of software and data engineering skills. Nice-to-Haves Financial services or market data background Experience modernising legacy ...

globally and across new offices Hiring, developing, and leading an inclusive, engaged, and high performing team Our backend is written in Golang, runs on AWS, and is deployed using Terraform, though direct experience with these technologies is not required. An ideal candidate has: Built or worked on critical production systems … using AWS (preferred) or Azure/GCP Experience working with geo‐distributed teams Deep knowledge of operating distributed systems at large scale and implementation best practices 8+ years of relevant software engineering work experience 2+ years of hands‐on technical management experience 2+ years experience building platforms and managing multiple ...

understanding of firewalls rules Understanding of building a product that will result in zero findings on a penetration test Terraform Ansible Windows running in AWS Qualifications/certifications Desired Bachelor’s degree or equivalent working knowledge and experience Strong Understanding and appreciation of working on business-critical production infrastructure, applications … database services AWS/Citrix/Cisco/Microsoft/VMware certification Experience of working in a highly regulated environment Benefits : Competitive salary and benefits package Culture focused on talent development with quarterly promotion cycles and company-sponsored higher education and certifications. Opportunity to work with cutting-edge technologies. Employee ...

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 and 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 You’ll Bring Strong backend ...

What you'll be doing: Writing TypeScript across both application code and infrastructure as code (Pulumi - recently migrated from CDK) Designing, building, and maintaining AWS serverless infrastructure patterns at scale Owning foundational services - SSO, authentication, notifications, and core shared services Integrating AI tooling into the platform infrastructure - greenfield, high-ownership … guardrails that enable engineering autonomy across the business ✅ Must-haves: Strong software engineering background with a shift into platform or infrastructure work Deep AWS knowledge - serverless in particular TypeScript fluency (application and IaC) High-growth startup experience - you know what it means to scale fast B2B SaaS background preferred 👍 Bonus ...

pure “keep the lights on” role — it’s about defining how things are built . You’ll be: Designing cloud-native platform architecture (AWS) Building reusable Terraform modules and CI/CD pipelines Embedding SRE principles across services Supporting AI/ML workloads in production (LLMs, inference, pipelines) The environment … fast-moving, with multiple teams and products — so standardisation, scalability, and good engineering judgement really matter here. Tech highlights: AWS, Terraform, CI/CD ECS/container platforms API gateways (Kong or similar) AI/ML workloads + LLM integrations They’re looking for someone who: Is genuinely hands ...

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, reliability … 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 (Prometheus, Grafana ...

Requirements - Hands-on Azure cloud security architecture and implementation - Defender for Cloud, Policy-as-Code, RBAC, PIM, private endpoints, and secure landing zone design; AWS security experience also considered - Network security engineering: firewall policy design and lifecycle management, micro-segmentation, NSG/UDR/NVA architecture, hub-spoke topology … document them - MITRE ATT&CK coverage mapping; threat hunting, adversary emulation, and proactive gap analysis against realistic TTPs - Cloud infrastructure - Azure preferred, AWS considered; IAM, managed services, automated and auditable deployment pipelines, secrets management Nice to Have o Financial services, trading, or capital markets - operational security in a regulated, high ...

Data mapping strategies Orchestration patterns Fallback and resilience patterns Reduce lock-in while preserving regulatory robustness Design cloud-native, horizontally scalable risk services in AWS/Azure Define: API gateway strategies Identity and access control models Data partitioning and sovereignty controls Architect for: Multi-region resiliency Regulatory data residency constraints … Strong hands-on knowledge of: Event-driven architectures Kafka/streaming systems Experience designing structured and event-based data models Cloud-native architecture experience (AWS or Azure; multi-region preferred) Strong background in integrating third-party risk vendors Domain & Regulatory Knowledge Strong understanding of: AMLD requirements PSD2/PSD3 ...

software engineer, and somebody who remains comfortable with technology, architectural decisions and technical trade-offs Previous experience in our backend tech stack - Java, Spring, AWS and who is a strong advocate of tight feedback loops through mechanisms including, but not limited to automated tests, CI/CD pipelines and frequent … What you'll get to learn (any previous experience would be advantageous) Solve real world problems, navigate ambiguity and deliver on the public cloud (AWS) to drive growth and operational efficiencies in an ambitious and growing UK business Influence change in a complex regulated environment Where ...

workflows Debugging, testing, and improving system performance Working closely with the business to help automate operational processes TECH STACK .NET (backend) React (frontend) MySQL AWS Python (AI and data models) Experience Required 3+ years of experience in software development Strong .NET experience Some front-end (React ideally) – however Angular/… fine Good understanding of software engineering fundamentals Interested in working in a startup/Have startup experience AWS exposure (similar cloud is fine) Interested in AI Desirable: Previously worked in a start-up Python experience (Data/AI) Why Join? Join a startup at launch stage Work on AI-driven ...

Data Engineer (Python ETL AWS SaaS) Remote UK to £95k Are you a Cloud savvy Data Engineer seeking an opportunity to work on complex, Greenfield systems using the latest tech? You could be progressing your career at a hugely successful European car insurance tech company as they expand their … have strong Data Engineering experience You have strong Python coding skills You have experience of building ETL data pipelines You have experience with AWS (or other cloud platform, Azure, GCP) You have experience working within tech or SaaS companies You are degree educated, Computer Science or similar tech or numerate ...

technical debt, you’ll have the opportunity to influence architecture, standards, and ways of working from the beginning. Tech Stack: - Snowflake - dbt - Python - AWS - Power BI Responsibilities : • Designing, developing, and evolving scalable Data Warehouse and ELT solutions • Driving modern DataOps practices including CI/CD, GitOps, testing, and automation • Implementing … build mature, scalable solutions What we’re looking for: • Proven Lead-level Data/Analytics Engineering experience • Strong expertise with Snowflake, dbt, Python, and AWS • Deep understanding of software engineering best practices within data environments • Experience implementing CI/CD pipelines and DataOps principles (GitHub Actions etc.) • Strong experience with ...

evolve resilient software used in real-world, high-demand environments. The stack is modern and cloud-native, centred around: C#/.NET React AWS Event-driven microservices You’ll be involved in everything from system design and architecture through to hands-on engineering, testing, and delivery. There’s real opportunity … engineering background Experience building scalable cloud-based applications Understanding of modern software engineering practices Strong communication skills and a collaborative mindset Experience with React, AWS, distributed systems, or event-driven architecture would be highly beneficial. What’s on offer Competitive salary and benefits Hybrid working (1 day per week ...

delivery What youll be doing: Architecture & Delivery Design and scale Generative AI, RAG, and Agentic systems in production Build enterprise AI platforms across AWS/Azure/GCP Select LLMs, vector databases, and orchestration frameworks Ensure solutions are secure, scalable, and production-ready Client & Strategy: Lead AI discovery workshops … Claude, Mistral), Vector DBs (Pinecone, Weaviate, FAISS), Frameworks (LangChain, LlamaIndex, AutoGen, CrewAI, LangGraph) Strong Python + ML frameworks (PyTorch/TensorFlow) Experience deploying on AWS, Azure, or GCP Experience leading or influencing technical teams Nice to have: Experience in consulting/client-facing roles Exposure to bids, RFPs ...

I am currently working with a London-based financial services client who are actively seeking 3 Senior Java developers to assist in the development and maintenance of a business-critical system in the Equity Derivatives ...

Agentic Software Engineer | West London | Full-time | Hybrid (4 days onsite per week) Tech: AWS, Salesforce, Snowflake, Node.js, TypeScript, Python, React, GraphQL, Claude Code, Cursor, Copilot, Codex or similar agentic tools We're hiring on behalf of a growing EdTech customer, a globally active education organisation with a genuinely … generated code you didn't write or review Running parallel agent workstreams converging on shippable, tested output Working across a real enterprise stack: AWS, Salesforce, Snowflake, Node.js, TypeScript, Python, React, GraphQL Translating between stakeholders and agents; turning ideas into working product fast enough that iteration feels like a conversation What ...

DevOps Engineer Rate: (Apply online only) Clearance required: BPSS + SC Location: London (Hybrid - travel to client office in London if required) Job Description: Writing infrastructure as code withTerraform andTerragrunt to deploy and update services ...

SeniorPythonDeveloper(PYTHON/AWS/REACT)-healthtech - tech for good - make a positive impact on the world. HighlysuccessfulandfastgrowingorganisationhasanexcitingopportunityforaSeniorPythonDeveloper(PYTHON/AWS/REACT. Theyarelookingforatalentedindividualwhowilldesign,implement,andmaintaintheirpublishingsoftware,systems, andcustomer-facingdigitalproducts. Requirements Designandimplementsystemsandsoftwaretomeetrequirementsusingappropriatetoolsandmethods. Promotethecreationofhigh-qualitycodebycommitmenttopracticessuchastest-drivendevelopment,pairprogrammingandcodereview. Beresponsibleforthetechnicaldevelopmentofallstagesofsoftwarecreation,includingtesting;ensurethatimplementationmeetssecurity,performance,andsafetyrequirements. Suggestimprovementstothecodebase,developmentprocesses,toolingandworkingpractices.Encourageinnovationbyidentifying,evaluatingandadoptionofemergingtechnologies. Assistwiththedesign,implementation,andtestingofAPIsthatadheretotheOpenAPIspecification Knowledge&Skillsforthisjob Abletodemonstratecommercialsoftwaredevelopmentexperience. ...

Senior Platform Architect - AWS/TypeScript £110,000 + Bonus + Benefits London Hybrid (3 Days Onsite) A globally recognised financial markets infrastructure firm is hiring a Senior Platform Architect to play a pivotal role in transforming a high-profile, business-critical platform click apply for full job details ...

leading tech transformation company in Greater London seeks a Principal AWS Architect responsible for driving AWS client engagements across EMEA. You will mentor upcoming technical leaders and support business growth in AWS services. Ideal candidates must have an AWS CSA Pro certification and experience in senior architecture roles. The company ...

Cloud Engineer | High-growth Adtech Scale-Up | AWS | London | High Ownership | No Red Tape! Ready to make a real impact as part of a brand‐new Cloud team, with the freedom to move fast and build things properly? Keen to be part of a rapidly scaling Media & Advertising company doubling … fast‐paced environment where you can move quickly, have real ownership, and build with no red tape. You’ll be working heavily with AWS services including Lambda and S3 and using Terraform for IAC. Python experience is a nice to have, but not essential. The role is London‐based with ...

engineering, finance, and leadership-driving cost efficiency while enabling scalable cloud adoption. The Role You'll take ownership of cloud cost management across primarily AWS environments, ensuring visibility, control, and continuous optimisation. Working closely with engineering and finance teams, you'll embed FinOps best practices and influence smarter cloud spending … decisions across the business. Key Responsibilities Monitor, analyse, and optimise cloud spend (AWS-focused) Build cost visibility dashboards and reporting frameworks Identify cost-saving opportunities and drive implementation Partner with engineering teams to improve cost efficiency Establish governance, tagging strategies, and budgeting controls What We're Looking For Strong experience ...

recruiting for an AWS Cloud Engineer to work on a hybrid basis - 2-3 days in Croydon, remaining time remote. The role falls inside IR35 so you will be required to work through an umbrella company for the duration of the contract. Candidates must have worked within central government ...