301 to 325 of 376 Software Testing Jobs in London

precious about the route you took to get here. Some of us came through data science and machine learning and deliberately built up our software engineering; others came the other way.In this role, you will:Own AI features end to end, from an ambiguous problem through to a reliable … that make quality, reliability and safety measurable rather than assumed.Build AI applications and agents using LLMs, orchestration, APIs and data systems, applying solid production software practices throughout.Make the calls on models, cost and latency that shape what a feature costs us to run, and document the reasoning so others ...

precious about the route you took to get here. Some of us came through data science and machine learning and deliberately built up our software engineering; others came the other way. In this role, you will: Own AI features end to end, from an ambiguous problem through … make quality, reliability and safety measurable rather than assumed. Build AI applications and agents using LLMs, orchestration, APIs and data systems, applying solid production software practices throughout. Make the calls on models, cost and latency that shape what a feature costs us to run, and document the reasoning ...

regressions Build validation harnesses to detect simulation drift Validate numerical correctness, determinism, and reproducibility across GPUs, drivers, and CUDA versions Perform exploratory and manual testing on 3D scenes, assets, and complex multi-physics scenarios Set up CI quality gates for prebuilt wheels across Linux, Windows, and Python 3.10–3.13 … Triage, reproduce, and document defects Partner with engineers on root-cause analysis Requirements 5+ years in software QA, with strong experience in both test automation and exploratory testing Solid 3D environment and asset knowledge, with familiarity with rendering and simulation/physics Strong Python and C++ skills; comfortable ...

recent AI models (e.g. via Huggingface (transformers), OpenAI APIs); Building agentic systems (e.g. via LangChain, AutoGen, PydanticAI). Evidence of participating in Open-Source Software (OSS) development, public hackathons, or other sharable coding samples. Deep expertise in embedding-based architectures, including bi-encoders, cross-encoders, etc. for long-horizon … asynchronous APIs for embedding and/or other compute-intensive services. Proficiency in Python for building high-performance data and model pipelines, with strong software engineering discipline (testing, versioning, CI/CD). Good familiarity with the Azure ecosystem (Azure Kubernetes Service, Azure Batch, Azure AI Foundry, Azure ...

Antithesis Operations LLC is seeking a developer based in London to help build ‘Hegel’, an innovative set of property-based testing libraries. The role requires experience with property-based testing and familiarity with Python and Rust. This in-office position values collaboration and high engineering standards across … diverse team. Candidates should be comfortable working with AI assistance and maintaining quality in software development. This job is a fantastic opportunity to contribute to open source and work on cutting-edge technology. #J-18808-Ljbffr ...

fast-growing software company in London is seeking talented engineers to build innovative systems that improve the software development process. You'll work on building distributed systems to enhance coding agents and collaborating with leading engineers from top tech companies. The company offers world-class compensation ...

line with regulatory requirements. Collaborate with product, business and technical stakeholders to deliver high-quality solutions. Participate in technical design discussions, code reviews, testing and deployment activities. Contribute to continuous improvement and best practice development across the programme. Essential Skills & Experience Commercial experience developing web applications using Angular. Hands … customer data and Personally Identifiable Information (PII). Exposure to customer remediation, customer review, onboarding, KYC, data remediation or data transformation programmes. Knowledge of software development best practices, testing frameworks and deployment processes. Strong communication skills with the ability to engage technical and non-technical stakeholders. Available immediately ...

Google's software engineers develop the next-generation technologies that change how billions of users connect, explore, and interact with information and one another. Our products need to handle information at massive scale, and extend well beyond web search. We're looking for engineers who bring fresh ideas from … data storage, security, artificial intelligence, natural language processing, UI design and mobile; the list goes on and is growing every day. As a software engineer, you will work on a specific project critical to Google’s needs with opportunities to switch teams and projects as you and our fast ...

tracked – and where humans and AI agents can safely work together. We unify legacy planning models, operational data, and grid workflows into software that helps teams run checks, compare models, explain changes, validate assumptions, and move faster without losing engineering rigour. Based in London, Squid is backed by premier … with the founders and the early engineering team to build the data foundations of our platform for grid operators. The role combines data engineering, software engineering, infrastructure and applied AI. You will work with large, complex, and often inconsistent technical datasets, building reliable systems to ingest, transform, validate, connect ...

Shield AI is seeking an Autonomy Software Integration & Test Engineer to support development, integration, testing, and deployment of autonomous systems in Ukraine. This role is ideal for a hands-on engineer who works across software, hardware, aircraft systems, and flight operations in fast-paced field environments. … position combines autonomy software development, system integration, and real-world flight testing across unmanned platforms. #J-18808-Ljbffr ...

Experience sharing knowledge with peers particularly the scientific/clinical domain. Nice to Have (Desirable Requirements) ML - Experience of classical ML and NLP methods Software craft – testing, observability, documentation, code review RAG pipelines at depth - experience building secure, compliant ingestion and retrieval systems with provenance tracking, including ...

Som3 is seeking a Robotics Software Engineer to join our engineering team developing software for next-generation robotic vehicles. You will work across robotics, control systems and software development, designing and testing control and guidance systems, integrating sensors and actuators, and validating robotic platforms. We value … engineers with strong C++ and Python skills, experience with ROS/ROS2 and simulation tools, and a track record of delivering high-quality robotics software #J-18808-Ljbffr ...

specifically focused on Python -based development within distributed systems and pricing contexts in their most recent role. offers the opportunity for involvement throughout the software development lifecycle and will include development of major green field components. There is significant buy-in from senior business partners and the successful candidate … senior stake holders/functions to align strategic goals, influence technical solutions, and drive cross-functional initiatives. Solution Architecture: Architectand implement high-quality , strategic software solutions in python ,ensuring alignment with strategic business requirements and technical standards. Technical process improvement: challenge and refine technical processes to enhance code quality ...

automation and CI/CD pipelines. The opportunity is there to collaborate with the development team, develop frameworks for microservices, component and system level testing and ensure the code shipped is to the highest standard. At the forefront of product delivery, you’ll evolve testing suites and metrics ...

ship it, you own it"). You will apply AI as a primary tool to design, build, test, and support solutions.SkillsMust have5+ years software engineering experience with expertise in frontend technologies.Practical experience with React and preferably Next.js.Practical knowledge of software engineering best practices (e.g. Agile software development … test-driven development, unit testing, code reviews, design documentation).At least basic backend skills (services, database).Fluency in AI technologies and experience utilizing AI agents to design, code, and test applications.Outstanding communication skills, ability to establish and maintain a close working relationship with distributed team members and business partners.Nice ...

/distributed systems)Understanding scalability and distributed systems i.e. sharding, partitioning, concurrency, etcBeing a team playerA thorough understanding of engineering best practices from appropriate testing paradigms to effective peer code reviews and resilient architecture.The ability to thrive in a fast-paced, test-driven, collaborative and iterative programming environment.The skills … meet your commitments on time and produce high-quality software that is unit tested, code reviewed and checked in regularly for continuous integration.Proven experience utilizing AI technologies to enhance decision-making, streamline workflows and processes, improve efficiency and drive business outcomes.Bonus Points:Contributions to the open-source community (GitHub ...

agents and machine learning (ML) pipelines that drive real business outcomes. This role will sit alongside senior data scientists, machine learning engineers, and software engineers, as an analytical counterpart: running experiments, stress-testing assumptions, and generating the evidence that shapes what gets built and how to improve … real systems, not toy datasets — this is the right environment. About the role Design and run experiments that directly shape production AI agents — testing ideas, validating approaches, and turning research into deployed improvements. Actively explore cutting-edge developments in AI and machine learning — with the space and support ...

. You will apply AI as a primary tool to design, build, test, and support solutions. SKILLS Must have 5+ years software engineering experience with expertise in frontend technologies. Practical experience with React and preferably Next.js. Practical knowledge of software engineering best practices (e.g. Agile software development … test-driven development, unit testing, code reviews, design documentation). At least basic backend skills (services, database). Fluency in AI technologies and experience utilizing AI agents to design, code, and test applications. Outstanding communication skills, ability to establish and maintain a close working relationship with distributed team members ...

platforms, financial systems and open-source technologies. Design scalable APIs and data models. Build and operate cloud-native services on AWS and Kubernetes. Drive software quality through testing, observability and operational excellence. Contribute to architectural decisions while remaining actively involved in implementation. Review code, mentor engineers and help … APIs, commercial SaaS products and open-source technologies. Strong understanding of REST APIs, authentication and application security. Experience with CI/CD and modern software delivery practices. Experience using AI-assisted software development tools.Experience working within FinTech, financial services, capital markets or another regulated industry. Experience building platforms ...

Description Are you passionate about how Agentic AI is transforming the way software is built, tested, and maintained? Would you like to be part of a team that is helping customers deliver value faster while maintaining security and reliability standards? Are you passionate about how Agentic AI is transforming … software is built, tested, and maintained? Would you like to be part of a team that is helping customers deliver value faster while maintaining security and reliability standards? AWS is building the future of the AI-Driven Lifecycle (AIDLC), accelerating every stage of the software delivery lifecycle, from ...

FactSet creates flexible, open data and software solutions for over 200,000 investment professionals worldwide, providing instant access to financial data and analytics that investors use to make crucial decisions. At FactSet, our values are the foundation of everything we do. They express how we act and operate, serve … combine hundreds of databases from industry-leading suppliers into a single powerful information system. About The Role FactSet is driving a transformation to agentic software development. The future is one where AI is not an add-on to the engineering workflow but the primary way software is built ...

coding tools and agentic development are heavily embedded into the engineering workflow. What We're Looking For We’re looking for a strong software engineer who has moved deeply into Applied AI rather than someone coming purely from an academic or research background. You’ll ideally have: 4+ years … areas such as embeddings, prompting and model parameters . Experience designing AI evaluations and measuring the quality of LLM outputs. A strong understanding of software engineering principles, testing and production reliability. Experience working in a fast-moving environment, ideally within a startup or scale-up . Excellent communication ...

Full-time Permanent Mid-level Senior Posted 25 Aug 2026 Description Summary: The DevOps Engineer is responsible for managing and automating the software delivery process through collaboration with development and operations teams to enable continuous integration and delivery of software across different environments under the information and communication … maintain effective configuration management and deployment pipelines Monitor and improve system performance and availability Identify and resolve technical issues that may arise during the software development lifecycle Test and debug applications to ensure high-quality performance Research and implement new technologies to improve the company's software delivery ...

analysis of complex order and trade histories.Coordinate the deployment and configuration of the company’s products for new customers.Manage the distribution and installation of software enhancements and upgrades.Collaborate with exchanges and internal software engineers to test and implement new software releases.Assist the infrastructure team in testing ...

features, solve interesting technical challenges and continually develop your skills. This is a hands-on role where you'll contribute across the full software development lifecycle, from technical design and implementation through to performance optimisation, experimentation and continuous improvement. A day in the life:Build and enhance customer-facing … that help teams move faster.Optimise application performance, reliability and accessibility, using data, experimentation and customer feedback to continuously improve our products.Participate in code reviews, testing, CI/CD and observability, helping maintain high engineering standards while learning from experienced teammates.Take ownership of your work, proactively identifying opportunities to improve ...