426 to 450 of 1,361 Test Automation Jobs in London

Sr Backend Engineer

Location
City Of London, England, United Kingdom
production Demonstrated experience developing RESTful APIs, messaging frameworks, and asynchronous processing Strong production support experience, including incident management and CI/CD pipelines/automation Comprehensive testing capability across unit, component, integration, end-to-end, and performance testing Desirable Requirements: Proficiency in Kotlin in addition to Java Experience ...

Python Engineer | Trading Data | Buy-Side

Location
Greater London, England, United Kingdom
validation, monitoring and controls across production systems. Work directly with technical and business stakeholders to turn loosely defined requirements into robust software. Contribute to automated testing, deployment processes and ongoing platform reliability. What You Bring: Strong Python engineering skills, including sound judgement around architecture and software design. Practical experience working ...

Senior Penetration Tester - FinTech Security Leader

Location
Greater London, England, United Kingdom
e.g. CREST Certified Tester, OSCP) or equivalent industry experience. Experience performing code reviews or code-assisted testing, particularly in Java and Go. Experience in automation of security testing (e.g. using Python or Go). Excellent verbal and written communication skills. Interview process Interviewing is a two way process ...

Applied AI ML Data Scientist, Vice President - Payments

Location
Greater London, England, United Kingdom
multi‐agent approaches, and define evaluation, safety, and monitoring strategies for production use Own production deployment patterns including containerization, continuous integration and delivery, automated testing, model and prompt registries, model and version governance, monitoring and alerting, and rollback strategies Architect and deploy scalable, reliable, and secure machine learning and large ...

Backend Engineers (Ruby)

Location
Greater London, England, United Kingdom
with Ruby on Rails, building data models, APIs, and business logic services in a production monolith Comfortable delivering with agile methodologies and practices like automated testing, observability, A/B testing, and feature flags A collaborative approach — you work well with product, design, and analytics partners, and enjoy shaping work ...

Principal Software Engineer - Wealth Technology

Location
Greater London, England, United Kingdom
data, invoke workflows and complete defined actions, with appropriate authentication, permissions, guardrails and auditability. Own engineering outcomes across the full lifecycle, including design, code, automated testing, deployment, observability, operational readiness and continuous improvement. Provide principal-level technical leadership through design reviews, reusable patterns, mentoring and constructive challenge, while remaining accountable ...

Lead Data Engineer

Location
City Of London, England, United Kingdom
Engineering standards, tooling and ways of working. Line management, mentoring and future recruitment. SQL-led transformation pipelines and Python orchestration. Code review, automated testing, Git workflows and CI/CD. Data modelling, deployment controls and production reliability. Integration of AI outputs into production data pipelines. Practical adoption of AI engineering ...

IDP Solution Architect / Tech Lead

Hiring Organisation
NTT DATA
Location
London, England, United Kingdom
access models, secrets handling, and approval and policy gates.Nice to HaveOrchestration: GitHub Actions depth, plus Temporal or a comparable durable workflow engine.Quality engineering: Embedding automated testing and quality gates into platform delivery.Enterprise integration: ITSM (ServiceNow), CMDB and observability integrations.Comparative platforms: Backstage, Humanitec or Harness.Technologies & ToolsThe platform environment:Developer portal: Port.io ...

Software Engineer III – GenAI, Python, AWS

Location
Greater London, England, United Kingdom
specifically LLM Orchestration and Agentic AI libraries Comprehensive knowledge of the Software Development Life Cycle Hands-on practical experience in system design, application development, automated testing, and operational stability Experience communicating to business facing customers and technical team Preferred qualifications, capabilities, and skills: Familiarity with Banking/Finance/Risk ...

Senior ML Platform Engineer (GenAI Platform)

Location
Greater London, England, United Kingdom
Deliver system observability, providing deep tracing, performance telemetry, cost analytics, continuous monitoring, and alerting across GenAI lifecycles. Standardize prompt engineering workflows with automated versioning, automated testing, governance, and CI/CD integrations for production delivery. Embed platform guardrails alongside Security and Privacy experts to enforce policies, and safe production defaults ...

Forward Deployed Engineer

Location
Greater London, England, United Kingdom
integrations: the SQL, scripts, and n8n or Workato automations that migrate and transform customer data into target systems. Production engineering practice: version control, automated testing, CI/CD, and deployment to AWS, GCP, or Azure. Experience scoping and estimating technical work, and owning delivery against an agreed outcome, timeline ...

AI Engineers

Location
Greater London, England, United Kingdom
Demonstrated experience shipping LLM-enabled software used by real users or operational teams. Strong Python and software engineering skills, including typed data models, APIs, automated testing and maintainable system design. Hands-on experience with hosted LLM APIs, structured outputs, tool use, retrieval-augmented generation, context management and model limitations. Experience ...

Low-Latency ML Engineer (Python/C++)

Location
Greater London, England, United Kingdom
designing and maintaining ML pipelines and data engineering workflows Familiarity with modern engineering practices such as CI/CD, containerisation (e.g. Docker, Kubernetes) and automated testing Experience with cloud platforms (e.g. AWS, GCP or Azure) Comfortable working in a Linux environment Nice to have: Advanced data engineering experience in Python ...

Senior Salesforce Engineer

Location
Greater London, England, United Kingdom
5+ years of Salesforce experience Experience with Salesforce integrations, ideally in Financial Services Experience using JIRA Experience with Agile methodologies, CI/CD and Test Automation Transparency is important to us. That is why you will find everything that matters to us on our website – plus everything ...

Senior CRM Technical Manager

Location
Greater London, England, United Kingdom
growth, including re-engineering our automated Partner Onboarding journeys and embedding real-time triggers into the Partner quoting tool. Build Resilience & QA Guardrails: Design automated testing protocols, catch-up mechanisms, and error-handling workflows to prevent message delivery issues, API drop-offs, or Liquid rendering bugs. Bridge Marketing & Data Engineering ...

Engineering Lead - Longevity New Mansion House, London

Location
Greater London, England, United Kingdom
within Microsoft Azure. Strong knowledge of APIs, integrations and scalable system architecture. Experience integrating mobile applications with backend and third-party services. Experience with automated testing, CI/CD, monitoring and DevOps practices. A collaborative approach with strong problem-solving and communication skills. Experience with Kotlin Multiplatform, Azure integration services ...

Head of Machine Learning and Data Science

Location
Greater London, England, United Kingdom
data‐scarce or noisy‐label domain where rigorous experimentation and ground‐truth quality make an outsized difference. Experience in software engineering practices: automated testing, version control and breaking down larger software systems. Experience with graph databases and distributed computing systems (e.g. Spark) How you work You get a lot done ...

Senior Snowflake Consultant - Data & AI Engineering

Location
Greater London, England, United Kingdom
workloads through feature-ready datasets, governed access patterns and collaboration with MLOps teamsCI/CD and DevOps practices for data, including Git-based workflows, automated testing and environment promotionFamiliarity with cost management and performance optimisation practices in cloud data platformsSnowflake and other cloud certifications (AWS, Azure or GCP)Experience ...

AI Architect

Location
Greater London, England, United Kingdom
designs, enterprise integration patterns and architectures focused on scalability, resilience and reliability. Experience with DevOps, MLOps and LLMOps practices, including CI/CD pipelines, automated testing, environment strategies and operating LLM‐based solutions in production, with a strong focus on model and prompt lifecycle management, observability and evaluation, reliability ...

Senior Software Engineer

Location
Greater London, England, United Kingdom
performant and efficient Experience building RESTful application interfaces and designing APIs Experience working as a part of a multi‐person development team that utilizes automated testing, CI/CD pipelines and peer reviews in an Agile Environment Nice to haves Strong engineering principles Excellent communication skills – written and verbal Experience ...

Lead MuleSoft Developer

Hiring Organisation
Capita
Location
London, England, United Kingdom
robust observability: logging, monitoring, alerting, and error-handling patterns.Support deployment using C4EE-managed CI/CD pipelines, Git branching models, and automated testing.Deliver MUnit test suites with >80% coverage.Provide 10–20% BAU support, including RCA, incident handling, and platform troubleshooting.Mentor developers, conduct code reviews, and promote engineering excellence across ...

Enterprise Solution Architect

Hiring Organisation
Fiserv
Location
London, England, United Kingdom
technologies such as AngularJS, React, HTML, HTMX, and CSS3; and XML/JSONStrong understanding of web application security concepts, session management, performance tuning, automated testing techniques, and high availability solutioningWorking knowledge of cryptography, key management, and security solutions on both mobile and server platforms, with an understanding of security protocols ...

Staff Software Engineer, Inference / Compute Infrastructure Engineering London or Amsterdam

Location
Greater London, England, United Kingdom
collection of Ansible playbooks. Requirements Core requirements (all levels): Strong software engineering background in Go, Python, Rust, or similar — you write and test real software for a living. Experience with durable workflow orchestration tools such as Temporal, Cadence, or equivalent to run long-lived, manifest-driven workflows that survive ...

Technical Lead, Longevity Platform (Mobile + Backend)

Location
Greater London, England, United Kingdom
within Microsoft Azure. Strong knowledge of APIs, integrations and scalable system architecture. Experience integrating mobile applications with backend and third-party services. Experience with automated testing, CI/CD, monitoring and DevOps practices. A collaborative approach with strong problem-solving and communication skills. Experience with Kotlin Multiplatform, Azure integration services ...

Senior Forward Deployed AI Engineers London

Location
Greater London, England, United Kingdom
variety and complexity of enterprise AI problems at Indicium AI is something a product company simply cannot offer. If you want engagements that test every dimension of what you can do, this is where they are. Investment in staying at the frontier: The best engineers we know are relentlessly ...