201 to 225 of 501 Remote/Hybrid Open Source Jobs

Senior Software Engineer

Location
Southampton, England, United Kingdom
Windows environments with Puppet at scale Familiarity with puppet-lint, rspec-puppet, and automated Puppet module testing pipelines Understanding of Puppet Enterprise or open-source Puppet Server administration PowerShell Scripting Proficient PowerShell scripting for Windows Server administration, task automation, and hybrid cloud integrations (AWS Tools for PowerShell, Azure ...

Senior Software Engineer

Location
Greater London, England, United Kingdom
Windows environments with Puppet at scale Familiarity with puppet-lint, rspec-puppet, and automated Puppet module testing pipelines Understanding of Puppet Enterprise or open-source Puppet Server administration PowerShell Scripting Proficient PowerShell scripting for Windows Server administration, task automation, and hybrid cloud integrations (AWS Tools for PowerShell, Azure ...

Associate AI Engineer

Hiring Organisation
Investcloud
Location
London, UK
Employment Type
Full-time
software products in a fast-moving environment. Desirable Skills & Experience Exposure to AI tooling, prompt engineering, or automation frameworks. Side projects, hackathons, internships, or open-source contributions involving AI or workflow automation. Familiarity with cloud platforms such as AWS, Azure, or GCP. Exposure to financial services, private markets ...

Sr. SDET - Cloud, Detection Engineer (Hybrid, London)

Hiring Organisation
Appcast
Location
London, UK
test and validation processes.Increase and improve our automated test coverage, and contribute to existing tools, frameworks and related solutions.Leverage new open source solutions to build new tools that test things in new ways.Improve our delivered product quality across our entire platform and applications.Collaborate on determining root causes ...

Software Developer Backend (SFIA5)

Location
City Of London, England, United Kingdom
front end technologies such as HTML, CSS, Bootstrap Java 8 Spring Boot Docker Kubernetes Atlassian Build tools: Maven, Gradle, Ant Familiar with source control systems, such as GIT, including branching, merging, etc. Testing: TDD, unit testing, JUnit, Mockito, Cypress Good knowledge of relational databases such as MySQL and PostgreSQL … scripts, store procedures Shift to the left: Functional test automation (API testing, UI testing [cucumber, nightwatch]) Nice to have skills AWS Knowledge of Open Source BPMN workflow engines (Camunda, Activiti or Flowable) Experience on a front-end javascript framework such as react, angular or vue.js RedHat OpenShift ...

devops engineer for AI platforms

Location
Greater London, England, United Kingdom
Ownership and thoughtful, data‐informed decision‐making; Ability to build high‐performing, inclusive, and autonomous teams; Ability to align technical leadership with business outcomes; Open collaboration and continuous learning; Nice to have: leading platform modernisation or reliability initiatives in scale‐up or regulated environments, Operator development, CRD automation, eBPF … Kyverno, MCP and A2A orchestration patterns, Agent Gateways and Registries, secure containers, sandboxing, confidential computing, Spark, Databricks, Data Mesh, Go, Python, TypeScript, opensource or CNCF community contributions. Условия: Hybrid working with the option to work from almost anywhere for up to 90 days per year; £500 Remote ...

Full-stack Developer (Senior)

Location
Manchester, England, United Kingdom
relational database design. Strong experience with React, TypeScript, HTML and CSS. Experience building enterprise‐scale web applications. Experience working with Git and modern source control workflows. Experience with automated testing and CI/CD pipelines. Strong understanding of software architecture, security and performance optimisation. Experience mentoring other developers. Excellent … Experience integrating third‐party APIs and cloud services. Experience contributing to technical strategy or architectural decision making. Microsoft certifications or community contributions (MVP, speaking, open source etc.) What to expect with the role: Type: Permanent Salary: Competitive & negotiable based on experience Working hours: 37.5 hours Monday - Friday (Core ...

Backend Software Engineer - Infrastructure

Hiring Organisation
Palantir Technologies
Location
London, UK
Employment Type
Full-time
development process, helping to refine and enhance our products. Core Responsibilities Building a performant search and indexing ecosystem for complex granularly permissioned dataContributing to open-source data processing libraries, integrating the latest innovations to achieve performance gainsBuilding the distributed systems that power large scale compute workloads, orchestrating … operations of complex distributed systems like Cassandra, Elasticsearch, Kafka, and more across different environmentsTechnologies We UseDifferent backend languages, including Java, Rust, and GoOpen-source technologies like Cassandra, ElasticSearch, Spark, Kafka, Kubernetes, FlinkIndustry-standard build tooling, including Gradle and GitHubWhat We ValueDemonstrated ability to collaborate and empathise with a variety ...

Senior Cloud Native Security Architect

Hiring Organisation
Palo Alto Networks
Location
United Kingdom, UK
Employment Type
Full-time
value over polish and philosophical alignment. Qualifications The TechWe work with an extremely broad range of tools and technologies, mostly cloud centric, and often open source (i.e. CNCF projects). As such, we often take on work in domains where we're not yet experts, and instead must … gluing services and deployment scripting)Terraform/Crossplane/Config Connector (GCP)/CloudFormation (AWS) (for deploying and managing cloud infrastructure)Git (for source control)Github Actions/Jenkins (for CI)Argo CD/Flux (for CD)Vault/Conjur (for secrets management)We don't expect candidates ...

Senior Applied AI Engineer (Private Sector Contractor)

Location
United Kingdom
operators can interrogate complex information at speed and make better decisions under pressure. AVISTM powers our digital decision products, such as ORION for multi-source decision-to-effect, and it powers our physical platforms. We work where wrong decisions can be catastrophic. We partner with defence, security and private … agentic systems Familiarity with secure‐by‐design development principles (ISO 27001, NIST, OWASP) Experience in defence, national security, or similarly regulated environments Contributions to opensource AI/ML projects Why This Role? This is a role for engineers who want to build things that matter ...

Senior AI Engineer

Location
Harwell, England, United Kingdom
operators can interrogate complex information at speed and make better decisions under pressure. AVISTM powers our digital decision products, such as ORION for multi-source decision-to-effect, and it powers our physical platforms. We work where wrong decisions can be catastrophic. We partner with defence, security and private … agentic systems Familiarity with secure‐by‐design development principles (ISO 27001, NIST, OWASP) Experience in defence, national security, or similarly regulated environments Contributions to opensource AI/ML projects Why This Role? This is a role for engineers who want to build things that matter ...

Fullstack Developer

Hiring Organisation
Randstad Digital
Location
London, United Kingdom
Employment Type
Permanent
effectively than being strictly tied to one programming language. Bonus Points Experience migrating legacy applications (e.g., Ruby/Python to Rust). Contributions to open-source projects in Rust, Ruby, or Python. Familiarity with WebAssembly (Wasm). If you are interested then kindly submit your resume at Prasanna ...

Senior / Principal Go Engineer

Location
Greater London, England, United Kingdom
scale Knowledge of other languages such as Kotlin, Java, or Python Background in financial services or large-scale engineering environments Experience contributing to open-source or internal frameworks What we offer Work on a high-profile, long-term programme with a global financial leader. You’ll have ...

Engineering & Science - Senior Software Engineering

Location
Crawley, England, United Kingdom
experience with Angular, JavaScript, HTML5, CSS3. Hands‐on experience with Docker, Kubernetes, and CI/CD pipelines (Azure DevOps or similar). Familiarity with opensource tools, cloud platforms, and infrastructure automation. Understanding of software design patterns, asynchronous programming, and event‐driven systems. Experience in regulated industries (healthcare ...

NatSec Cloud Engineer

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent, Work From Home
Natsec Cloud Engineer who has demonstrable experience of automating the software delivery pipeline within a highly scalable system that relies heavily on open source technologies. At Zaizi, we thrive on solving complex challenges through creative thinking and the latest tools and tech. Our culture is inclusive, modern, friendly ...

Senior / Staff Machine Learning Scientist May 14, 2026

Location
Glasgow, Scotland, United Kingdom
up. MLOps fluency: experiment tracking, data versioning, model serving, and observability of deployed models. A visible track record in the field — peer‐reviewed publications, opensource contributions, or public projects that demonstrate your judgement on real ML problems. Why Join Chemify? Impact: Your models will directly shape what ...

Senior Machine Learning Engineer

Hiring Organisation
Hackajob Ltd
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
explainable, and human-in-the-loop decision-support tools for intelligence and operational users. Requirements Edge Model Optimization & Deployment: Quantize, fine-tune, and optimize open-source SLMs (e.g., Gemma 3, Llama 3) and vision-language models for execution on low-power edge runtimes (LiteRT/TensorFlow Lite, ONNX ...

Sr. Software Engineer, Cloud Detection (Hybrid, London)

Hiring Organisation
CrowdStrike
Location
London, UK
Employment Type
Full-time
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, Stack Overflow, blogging)Existing exposure to Go or C++, Scala, AWS, Cassandra, Kafka, Elasticsearch...Prior experience in the cybersecurity or intelligence ...

Lead Technical Architect (AI)

Hiring Organisation
scrumconnect ltd
Location
City, Newcastle Upon Tyne, United Kingdom
Employment Type
Permanent
Salary
GBP 76,000 - 85,000 Annual
within UK central government or wider public sector Familiarity with ATRS submissions, HM Treasury Orange Book, or equivalent public-sector risk/assurance frameworks Open-source contributions or active engagement in engineering/AI communities Experience designing for sustainability/Green IT commitments Location and Working Pattern Hybrid ...

Senior / Principal Applied AI Engineer (UK / Europe, Remote)

Location
United Kingdom
Build agent loops, tool-calling, structured outputs, planning/state management, retries, guardrails, and orchestration layers on top of LLM provider APIs (Anthropic, OpenAI, open-weight models, MCP). Ship internal AI automations to remove engineering/support/growth toil by integrating with existing tooling (GitHub, Slack, Intercom … eval harnesses, tracing, fallback chains, spend controls). Operate within security and AI governance constraints (SOC 2/ISO, approved-tooling allowlist) and handle source/customer/product data responsibly. Requirements Must-haves 8+ years of production software engineering experience with deep expertise in APIs, integrations, REST, webhooks ...

Junior Core Java Developer Big Data Fintech

Hiring Organisation
Appcast
Location
London, UK
write code. As requirements evolve you will re-factor and our unit test suite. To deliver quickly you will leverage the best of the open source community, sometimes substituting your own solutions where greater performance is needed. You will be encouraged to evangelise and prototype new technologies … opportunity to work directly with our customers – traders, salespeople and technologists at leading wealth managers. The environment is that of Facebook or Google, relaxed open with time to think and make the right decisions. The atmosphere is calm and relaxed with an open dress code. This ...

Java Data Developer

Hiring Organisation
Appcast
Location
London, UK
write code. As requirements evolve you will re-factor and our unit test suite. To deliver quickly you will leverage the best of the open source community, sometimes substituting your own solutions where greater performance is needed. You will be encouraged to evangelise and prototype new technologies … opportunity to work directly with our customers – traders, salespeople and technologists at leading investment banks.The environment is that of Facebook or Google, relaxed open with time to think and make the right decisions. The atmosphere is calm and relaxed with an open dress code. This is a role ...

Senior Platform Engineer

Location
Greater London, England, United Kingdom
development tasks, and running shared services such as Opensearch, Envoy, Vault and Prometheus to name a few. We are committed to Open Source software and give back to the community by open sourcing interesting projects. What you’ll be doing Excellence: work alongside established and experienced engineering ...

Principal ML Engineer: Speech AI & Production

Location
Cambridge, England, United Kingdom
pipelines, and containerization (Docker, Kubernetes) With preferred backgrounds covering some of the following: Experience with speech-to-text or text-to-speech Contributions to open-source projects or published research in top-tier conferences We encourage you to apply even if you do not feel you match … exhaustive. If you are interested in the role, the team, and our mission, we would love to consider your application. We are always open to conversations and look forward to hearing from you. Who we are: Speechmatics is the leading expert in Speech Intelligence, and uses AI and Machine ...

AI Infrastructure Engineer

Hiring Organisation
Intercom
Location
London, UK
Employment Type
Full-time
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-HybridUnleash Your PotentialWhen you join Salesforce, you'll be limitless in all areas … 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. ...