301 to 325 of 871 Open Source Jobs in London

Sr. Software Engineer, Inference

Location
Greater London, England, United Kingdom
level systems and high-performance computing components (e.g., C++ development, CUDA kernels, NCCL/SHARP, RDMA/NUMA, or GPU interconnect topologies). Active open-source or production contributions to modern inference frameworks (e.g., vLLM, Triton, TensorRT-LLM, Ray Serve, or TorchServe). Experience leading multi-team technical ...

Expert Forward Deployment Engineer

Hiring Organisation
Luxoft
Location
London, UK
Employment Type
Full-time
smoke tests using Test-Driven Development practices. Select appropriate automation-testing approaches per application and drive implementation, including the use of AI coding assistance. Source suitable test data and implement secure data masking for lower environments. Conduct vulnerability triage, root-cause and dependency reachability analyses, remediation prioritization, secure code … changes, and regression testing. Upgrade Java, JVM, NPM, Spring, open-source libraries, internal dependencies, installed software, base images, and operating systems to supported versions. Establish sustainable dependency-management processes with continuous library updates using Renovate or equivalent tools. Modernize legacy applications and middleware stacks, including those deployed ...

Automation Test Engineer - SC Eligible

Location
Greater London, England, United Kingdom
Barring Service)Your roleEssential Skills:Experience in creating effective automation test strategies and plans.Experience in test automation using at least two proprietary or OpenSource tools such as Selenium WebDriver, Playwright, or Tricentis ToscaExperience creating or adapting automation frameworksFamiliarity with at least one OOP language (Java, Python, C# etc.)Creating test ...

Platform Engineer

Location
Greater London, England, United Kingdom
Overview Looking to challenge yourself, grow out your expertise and ignite your career in technology? Background Your passion is in open source, with a desire to stay up to date with cutting edge technologies. Constantly evolving you strive to make yourself better, approaching tasks with an open ...

Research Engineer, Pretraining Scaling - London

Location
Greater London, England, United Kingdom
Also Have Previous experience training LLM’s or working extensively with JAX/TPU, PyTorch, or other ML frameworks at scale Contributed to open-source LLM frameworks (e.g., open_lm, llm-foundry, mesh-transformer-jax) Published research on model training, scaling laws, or ML systems Experience with ...

Member of Technical Staff, Data Flywheel

Location
Greater London, England, United Kingdom
Mission Reflection is a research lab making intelligence open and accessible for everyone to use, customize, and build on. We build open models that let anyone control their intelligence and help shape the future of AI. Our mission: make intelligence open and accessible to all. Role Overview … post-training, and live deployments. You'll collaborate closely with researchers and engineers across the company, as well as customers, partners, vendors, and the open-source community. What You’ll Do Identify high-value data sources and partnership opportunities, deeply understand the underlying use cases, and translate them ...

Computer Vision Engineer

Location
City Of London, England, United Kingdom
fine-tuning. Knowledge of cloud platforms ( AWS , GCP , Azure ) for model training and deployment. Background in multimodal AI (vision + language). Contributions to open-source CV/ML projects or publications in top conferences (CVPR, ICCV, NeurIPS, ECCV, TPAMI...). Knowledge on TRT. Experience on edge computing … Image Retrieval in general. What We Offer ZERO micromanagement. At Fogsphere, researchers work independently under the Head of Research, with a focus on open discussion and professional development, where the best ideas are the ones applied. Opportunity to work on cutting-edge computer vision challenges in some ...

Principal Software Engineer

Location
Greater London, England, United Kingdom
policy‐as‐code and self‐service tooling. Event‐driven architecture, and experience of legacy modernisation or migration programmes. Contribution to the wider engineering community — open source, writing, speaking or standards work. Your approach to work: Pragmatic. You optimise for outcomes and maintainability, not for elegance or novelty. Generous. … Evidence‐led. You hold strong opinions loosely and change your mind when the data says so. Direct and kind. You disagree well, in the open, and commit fully once a decision is made. Curious and current. You keep learning fast in a field that is moving fast ...

Senior AI Software Engineer, Coding Agent

Location
Greater London, England, United Kingdom
capabilities. Who We Look For Customer‐oriented and able to thrive in a fast‐paced environment. Positive, self‐motivated, and passionate. Independent, insistent, and open‐minded. Great team player, dependable and autonomous. Data‐driven decision maker. Requirements 8+ years of professional software engineering experience, with a strong background … expertise in Retrieval‐Augmented Generation (RAG) and AI Agent architectures. Deep, hands‐on experience with LLM APIs and/or fine‐tuning and serving open‐source models. Strong understanding of prompt engineering and context engineering to maximize model relevance and accuracy. Excellent problem‐solving skills and the ability ...

Agile Software Engineer - Java - Greenfield Multi-Asset Trading Platform

Hiring Organisation
Stanford Black
Location
London, UK
Employment Type
Full-time
able to be cross-trained in Scala and Kotlin, with everything being built in AWS.Not only this, you could be cross-trained in modern open source technology such as Helm, Grafana, and GraphQL. In terms of salary, this particular client offers unmatched compensation packages and pay above … public cloud environment with AWS, GCP or AzureNo previous finance experience is requiredJob function/benefits: Quantitative Trading FirmSoftware EngineeringExposure to cutting edge opensource technologyHolidaysHealthcarePensionsBonus structure and highly competitive salary. For more information, please email Lois. Raduechel@stanfordblack.com ...

Software Development Lead, Data and Analytics

Location
Greater London, England, United Kingdom
integral part of a focused team where you can make a real impact. You’ll be surrounded by an open, collaborative culture that embraces diversity, recognition, professional development and, most importantly, you. Are you ready to make your impact? About The Role The Software Solutions team is a high … engagements spanning corporate strategy, litigation, investigations, disputes, compliance, regulatory support, financial crime, fraud, and performance improvement. The team employs a range of modern open source and cloud technologies to design, build, and deliver solutions. This specialized team creates scalable and feature‐rich web applications using a continuously evolving ...

Software Development Lead, Data and Analytics

Hiring Organisation
FTI Consulting
Location
London, UK
Employment Type
Full-time
integral part of a focused team where you can make a real impact. You'll be surrounded by an open, collaborative culture that embraces diversity, recognition, professional development and, most importantly, you. Are you ready to make your impact? About The RoleThe Software Solutions team is a high-velocity … engagements spanning corporate strategy, litigation, investigations, disputes, compliance, regulatory support, financial crime, fraud, and performance improvement. The team employs a range of modern open source and cloud technologies to design, build, and deliver solutions. This specialized team creates scalable and feature-rich web applications using a continuously evolving ...

Data Science & AI Delivery Lead

Location
Greater London, England, United Kingdom
allocation to ensure the team is effectively deployed against priorities. Technology Vision: Stay current with the rapidly evolving AI landscape, including new foundation models, open‐source frameworks, vector databases, orchestration tools (e.g., LangChain, Semantic Kernel), and evaluation methodologies. Bring new ideas to the team and lead proof … bring your own experience and expertise to the table so, while there are some qualifications and experiences we need you to have, we are open to discussing how your individual knowledge might lend itself to fulfilling this role and help us achieve our goals. What you need to have ...

Senior Consultant, Digital & Insights, Data Science | Strategic Communications

Hiring Organisation
FTI Consulting
Location
London, UK
Employment Type
Full-time
integral part of a focused team where you can make a real impact. You'll be surrounded by an open, collaborative culture that embraces diversity, recognition, professional development and, most importantly, you. Are you ready to make your impact? About The RoleWe are looking for a talented and ambitious … oriented approaches to investigate and interpret data Work with other data scientists to build and support custom solutions, applications and processing pipelinesInterrogate multiple data source and extract insights by combining information from each Detect hidden patterns, identify trends, reveal drivers, predict developments, visualise similarities and differences, and otherwise leverage ...

Senior Consultant, Digital & Insights, Data Science | Strategic Communications

Location
Greater London, England, United Kingdom
integral part of a focused team where you can make a real impact. You’ll be surrounded by an open, collaborative culture that embraces diversity, recognition, professional development and, most importantly, you. Are you ready to make your impact? About The Role We are looking for a talented … approaches to investigate and interpret data Work with other data scientists to build and support custom solutions, applications and processing pipelines Interrogate multiple data source and extract insights by combining information from each Detect hidden patterns, identify trends, reveal drivers, predict developments, visualise similarities and differences, and otherwise leverage ...

AI Infrastructure Engineer

Location
Greater London, England, United Kingdom
Experience with AWS or other major cloud providers. Production experience with Python in ML or infrastructure contexts. Demonstrated passion for technology through personal projects, open source, meetups, or publishing content about your work and learnings #LI-Hybrid Unleash Your Potential When you join Salesforce, you’ll be limitless … providing flexibility to work from home. We expect employees to be in the office at least three days per week. We have a radically open and accepting culture at Fin. We avoid spending time on divisive subjects to foster a safe and cohesive work environment for everyone. ...

Senior Sales Engineer

Location
Greater London, England, United Kingdom
some vertical industry experience, especially in Financial Services, Retail, Travel, Transport & Leisure or Public Sector. Active engagement in the technical or developer community (e.g., open‐source contributions, technical blogging, or community mentorship). Proven track record of designing reusable implementation guides, integration playbooks, or localization toolkits for global … scammers may ask for money or personal information by offering fake job opportunities through e‐mail, text message or social media. Please verify the source of any job‐related communications carefully. All official Zendesk communications are conducted through "@zendesk.com" email addresses. If you encounter suspicious messages, do not respond ...

Platform Engineer (Kubernetes/Cloud) Full-time (start asap) Remote or In-person London

Location
Greater London, England, United Kingdom
whilst supporting households with lower energy bills. Working in partnership with SecureLinx and SUSE , we’ve established a robust technical, secure foundation using modern open-source, cloud-native technologies. Now we’re ready to scale – expanding capability, automation and performance as we grow our client base, which comprises … drive from Guildford, parking available Ideally would be based in the office, but can be hybrid or fully remote; depending on experience/independence; open to discussion. #J-18808-Ljbffr ...

Staff/Principal Machine Learning Scientist - Ranking & Retrieval

Location
Greater London, England, United Kingdom
Retrieval London, United Kingdom About Tripadvisor The Tripadvisor Group connects people to experiences worth sharing, and aims to be the world’s most trusted source for travel and experiences. We leverage our brands, technology, and capabilities to connect our global audience with partners through rich content, travel guidance … strong track record of academic or industry contributions, including publications in top‐tier AI/IR conferences (e.g., SIGIR, KDD, RecSys, NeurIPS) or open‐source ML contributions. What We Offer Competitive compensation packages (routinely benchmarked against the latest industry data), including base salary and annual bonuses “Work your ...

Principal Machine Learning Scientist (Experiences)

Location
Greater London, England, United Kingdom
Experiences) London, United Kingdom About Tripadvisor The Tripadvisor Group connects people to experiences worth sharing, and aims to be the world’s most trusted source for travel and experiences. We leverage our brands, technology, and capabilities to connect our global audience with partners through rich content, travel guidance … strong track record of academic or industry contributions, including publications in top-tier AI/IR conferences (e.g., SIGIR, KDD, RecSys, NeurIPS) or open-source ML contributions. What We Offer Competitive compensation packages (routinely benchmarked against the latest industry data), including base salary and annual bonuses “Work your ...

Senior Product Security Engineer

Hiring Organisation
Anduril Industries
Location
London, UK
Employment Type
Full-time
weakness in designs, implementations, integrations, and processesIntegrates and matures Product Securitys suite of tooling thought Anduril's products. Conducts security assessments including architecture review, source code analysis, configuration auditing, and adversarial testingRequirements: Proficient with one or more programming languages (e.g. C/C++, Golang, Rust, Python)Experience assessing security … third-party service provider provides risk-intelligence services that may include analysis of sanctions and watchlists, adverse media, public-record information, and other lawful open-source or commercial data sources. This third-party service provider does not act as a consumer reporting agency. Use of this provider helps ...

Remote Cloud Engineer: OpenStack, Kubernetes & Linux

Location
Greater London, England, United Kingdom
over private and public cloud solutions. You will work hands-on across the Linux stack, use Python to develop Kubernetes operators, and contribute to open source infrastructure-as-code. The role includes travel up to 25% and remote-first work arrangements. Ideal candidates have a CS degree ...

Full Stack Engineer

Hiring Organisation
Oscar Technology
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £80,000 per annum
Familiarity with RAG pipelines, embeddings, prompt engineering or agentic frameworks Cloud platform experience (AWS/GCP/Azure), CI/CD, infrastructure-as-code Open-source contributions or a portfolio of side projects - especially AI-related Startup or scale-up experience What you'll get Direct mentorship from ...

Kong API Gateway Specialist

Hiring Organisation
EUROPEAN SOFTWARE SOLUTIONS (UK) LIMITED
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£450 per day
teams. Facilitate governance reviews, architecture discussions, and design workshops. Required Skills & Experience Technical Skills Strong hands-on experience with Kong API Gateway (Enterprise or Open Source). Extensive experience in API management and governance. Strong understanding of RESTful APIs, OpenAPI Specifications (Swagger), and API design best practices. Experience ...

Kong API Gateway Specialist

Hiring Organisation
Infoplus Technologies UK Limited
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£400.00 - £450.00 per day
teams. Facilitate governance reviews, architecture discussions, and design workshops. Required Skills & Experience Technical Skills Strong hands-on experience with Kong API Gateway (Enterprise or Open Source). Extensive experience in API management and governance. Strong understanding of RESTful APIs, OpenAPI Specifications (Swagger), and API design best practices. Experience ...