26 to 50 of 193 Remote/Hybrid Open Source Jobs

Senior Principal Developer

Hiring Organisation
Novartis
Location
Greater London, United Kingdom
Employment Type
Full Time
Salary
57050 to 105950 GBP Annually
experience today and work with Product Owners to deliver progress in high impact areas. Additionally, this role will focus on enabling the use of open-source programming languages and tooling. About the Role Major accountabilities: Develop and maintain R packages that enable clinical trial team through supporting data … best practices for data science and software development. Documentation of tools and processes to support modernization in an inclusive manner. Appetite to engage in open-source communities to collaborate in external settings. Minimum requirement: MSc in a quantitative/computational science or eqivalent Experience as an R developer ...

Senior Front-End/Magento Developer

Hiring Organisation
ADLIB
Location
Bristol, Avon, England, United Kingdom
Employment Type
Full-Time
Salary
£55,000 - £75,000 per annum
Lead complex Magento Open Source and Adobe Commerce projects. Join a flexible, remote-first team with strong career development opportunities. Work on large-scale ecommerce platforms with a strong focus on performance and accessibility. An exciting opportunity has arisen for an experienced Senior Frontend Developer to join … experiences. What experience you’ll need to apply Proven commercial experience in a Frontend Developer role within ecommerce environments. Strong experience working with Magento Open Source and/or Adobe Commerce. Excellent HTML, CSS and JavaScript (ES6+) skills. Experience with modern frontend frameworks such as React ...

Senior Integrated Campaigns Manager, FinTech & Capital Markets - London - Up to £90k

Hiring Organisation
Adaptive Financial Consulting Ltd
Location
Greater London, United Kingdom
Employment Type
Full Time
help clients build high-performance, resilient trading systems across asset classes and create lasting competitive advantage. At the heart of it is Aeron®, our open-source technology used by hundreds of market participants to build high-throughput, low-latency, resilient trading systems, on-premises and in the cloud. … tech clear and compelling: not dumbed down, just sharp. Hands-on with the message, the copy, the assets, the execution: all of it. A source of commercial focus and momentum for the people around you. Genuinely curious about capital markets, technology, and the audiences shaping where this industry goes. ...

Senior Software Engineer

Hiring Organisation
Jobleads-UK
Location
New York, England, United Kingdom
better and be better for our clients, for our team and for our world at large. Our offices around the U.S. are open and while most of our people work in a hybrid setting, we are a distributed workforce with a number of Knowners working remotely. BUT ENOUGH ABOUT … Kubernetes clusters. You’ll be using Terraform to spin infrastructure up and down. Finally, if you’re interested, you may be contributing to open source (we actively promote opensource projects internally; check out pytest-mock-resources, one of our in‐house custom plugins). WHAT ...

Software Engineer, New Grad - Infrastructure

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
technical team members. Willingness to learn and make decisions independently, and the ability to ask questions effectively. Eagerness to delve into the source code of open-source libraries (such as Cassandra or Chromium) to truly understand how they work or to debug an issue. Staying … date with recent industry practices and advancements in open-source technology. What We Require Engineering background in fields such as Computer Science, Mathematics, Software Engineering, or Physics. Familiarity with data structures, storage systems, cloud infrastructure, frontend frameworks, and other technical tools. Experience coding in programming languages, such ...

Lead AI Engineer

Hiring Organisation
scrumconnect ltd
Location
City, Newcastle Upon Tyne, United Kingdom
Employment Type
Permanent
Salary
GBP 72,000 - 92,000 Annual
associate or professional level) - Prior delivery of AI or digital services within UK central government or wider public sector - Experience fine-tuning or adapting open-source/foundation models for a specific domain - Open-source contributions or active engagement in AI/ML engineering communities - Experience ...

Senior Engineer - Payments

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
What We Offer Compensation Competitive salary and benefits package. Bonuses: Discretionary performance-based bonus. Growth: Continued personal development through funded training and professional certifications. Open Source Culture: We are Open Source-friendly, following open principles in our internal projects and actively encouraging contributions ...

DataOps Engineer

Hiring Organisation
Capgemini
Location
City and Borough of Birmingham, United Kingdom
Employment Type
Full Time
orchestration and automating data pipeline deployments using DevOps tools and techniques (Docker, Containers, Terraform, Kubernetes) Building data pipelines using both cloud-native and open-source data tools to deliver self-contained data processing applications. Understanding of data architecture principles and applying this to your delivery work. … skills required: DataOps Proficiency in data pipeline orchestration tools Containerisation (Docker, EKS, AKS, Kubernetes) Proficiency in CI/CD principles and tools Familiarity with open-source data tools (e.g., Spark, Kafka, PostgreSQL) Infrastructure as Code (Terraform, Ansible) Air-gapped development Automation Client/stakeholder management Public sector domain ...

Manager, Lead Research Scientist, LLM Agents (Foundational Research)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
curious and open-minded individual with an interest in conducting state-of-the-art foundational machine learning research? Thomson Reuters Labs is seeking Research Scientists with a passion for building complex agent-based AI systems in a data-rich, complex academic environment driven by real-world problems. Foundational Research … model training. Extensive experience working on agent‐based systems, tool‐using AI, or multi‐agent coordination in LLM contexts (e.g., startup, industry, or extensive opensource experience). Strong software and/or infrastructure engineering skills and ensuring well‐managed software delivery, as evidenced by code contributions ...

Solution Architect (SFIA 5)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
solve complex, real-world challenges that have a direct impact on frontline services and public outcomes. You’ll work with modern cloud-native architectures, open source technologies, and Agile and DevSecOps practices to shape scalable, secure, and resilient solutions. As a trusted technical leader, you’ll collaborate with … significant commercial experience across many of the following areas: Solution Architecture and Technical Design Strong software engineering background with previous hands‐on development experience Open Source technologies and frameworks Cloud platforms, ideally AWS Cloud‐native architectures and distributed systems Security architecture and secure‐by‐design principles Identity ...

GCP Architect

Hiring Organisation
Capgemini
Location
Greater London, United Kingdom
Employment Type
Full Time
solutions at enterprise scale. Innovation in delivery is always at the forefront of our minds, which is why we utilise a variety of cloud, open source and proprietary technologies to achieve the best possible outcome for our clients. We have world class architecture and software engineering communities … hyperscaler frameworks and design methodology (e.g. C4, Domain Driven Design & TOGAF/SAFe). (Desired, but not essential) Exposure/hands-on experience of open source technologies and development frameworks (e.g. Spring, ReactJS, NodeJS). Experience designing DevOps enabled platforms using containerisation technologies: Docker or Kubernetes ...

Software Engineer - Data Infrastructure - OpenSearch/ElasticSearch

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
levels. We will help you identify a suitable position depending on your experience and interests. Engineers who thrive at Canonical are mindful of open-source community dynamics and equally aware of the needs of large, innovative organisations. Location: This role can be filled in European, Middle East … upgrades for long haul company events About Canonical Canonical is a pioneering tech firm that is at the forefront of the global move to open source. As the company that publishes Ubuntu, one of the most important open source projects and the platform ...

Tech Lead - Software Engineering

Hiring Organisation
Chroma Recruitment Ltd
Location
Alderley Edge, Cheshire, North West, United Kingdom
Employment Type
Contract
Contract Rate
Competitive Day Rate, DOE
production scale Expert-level TypeScript, JavaScript and Node.js; experience building scalable, production-grade applications Strong GraphQL, REST API and PostgreSQL skills; Git-based source control and branching strategies Strong AWS experience: designing, securing, deploying and operating production cloud environments Docker, CI/CD pipelines, Infrastructure as Code (Terraform exposure … topics to non-technical stakeholders Comfortable explaining and owning AI-assisted code output, not just using it Desirable Experience with Vendure or a comparable open-source commerce platform (e.g. Magento) Experience with a modern React-based frontend framework, ideally Next.js Experience with Python, Redis, Payload CMS, Kubernetes ...

AI Platform engineer

Hiring Organisation
Nextech Group Limited
Location
East London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£85,000
/SQS for async processing of high-volume inference requests Implement observability and cost-tracking for token usage across multiple LLM providers (Anthropic, OpenAI, open-source models via vLLM) Own database performance for both relational (Postgres) and vector (pgvector/Pinecone) workloads Collaborate with ML engineers on model … limits, streaming responses, token cost optimisation) Solid understanding of API design, security, and scalability best practices Nice to Have: Experience fine-tuning or evaluating open-source models Familiarity with agentic frameworks (function calling, tool use, MCP) Prior startup/scale-up experience Benefits: 25 days holiday + bank ...

AI Engineer - Systems Integrator

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
using statistically robust methodologies Analysing failures and identifying opportunities for optimisation Experimenting with prompts, workflows and playbooks to improve outcomes Testing different models, including open-source and fine-tuned LLMs Evaluating and improving multi-agent workflows Researching defences against prompt injection and adversarial attacks Collaborating with security analysts … experience Experience evaluating AI systems or LLM performance Familiarity with cloud environments such as GCP Knowledge of modern software development practices Experience working with open-source AI models Interest in cyber security, threat detection or security operations Location & Working Pattern London Hybrid (fortnightly office travel plus occasional customer ...

Cloud Native Architect (AWS)

Hiring Organisation
Jobleads-UK
Location
United Kingdom
solutions at enterprise scale. Innovation in delivery is always at the forefront of our minds, which is why we utilise a variety of cloud, open source and proprietary technologies to achieve the best possible outcome for our clients. We have world class architecture and software engineering communities … inclusive and welcoming environment, for everyone.## **Your skills and experience**• Excellent knowledge of AWS for delivery of cloud-native solutions. • A strong background in open-source technologies and frameworks; API-centric architecture, and experience of designing scalable, resilient and secure applications. • Microservice-based architectures using domain driven design ...

Cloud Native Architect (AWS)

Hiring Organisation
Capgemini
Location
Manchester, United Kingdom
Employment Type
Full Time
solutions at enterprise scale. Innovation in delivery is always at the forefront of our minds, which is why we utilise a variety of cloud, open source and proprietary technologies to achieve the best possible outcome for our clients. We have world class architecture and software engineering communities … inclusive and welcoming environment, for everyone. Your skills and experience • Excellent knowledge of AWS for delivery of cloud-native solutions. • A strong background in open-source technologies and frameworks; API-centric architecture, and experience of designing scalable, resilient and secure applications. • Microservice-based architectures using domain driven design ...

Cloud Native Architect (AWS)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
solutions at enterprise scale. Innovation in delivery is always at the forefront of our minds, which is why we utilise a variety of cloud, open source and proprietary technologies to achieve the best possible outcome for our clients. We have world class architecture and software engineering communities … inclusive and welcoming environment, for everyone. Your skills and experience Excellent knowledge of AWS for delivery of cloud-native solutions. A strong background in open-source technologies and frameworks; API-centric architecture, and experience of designing scalable, resilient and secure applications. Microservice-based architectures using domain driven design ...

AI Engineer, Sr 1

Hiring Organisation
Jobleads-UK
Location
United Kingdom
that create measurable business impact. Accountabilities Design, develop, and enhance AI-powered applications, including intelligent chatbot experiences and enterprise AI solutions. Integrate and deploy open-source Large Language Models (LLMs) within secure private cloud environments. Build and maintain scalable Python backend services supporting AI-driven interactions and workflows. … ability to collaborate effectively in complex environments. Strong professional experience in AI engineering, particularly with Large Language Models (LLMs). Hands-on experience with open-source AI frameworks such as Hugging Face Transformers. Proven experience deploying AI models on GPU infrastructure. Strong Python backend development skills ...

Senior Test Engineer

Hiring Organisation
CACI Limited
Location
Bristol, Avon, South West, United Kingdom
Employment Type
Permanent
some of the tasks you may be asked to undertake; Develop and maintain automated test solutions using Java, Selenium WebDriver and a range of open-source testing tools and frameworks. Design, build, and execute automated UI and API test frameworks to support quality assurance across complex digital delivery … with strong hands-on expertise in Java and Selenium WebDriver. Experience designing, developing and maintaining scalable UI and API automation frameworks using industry-standard open-source tools. Commercial experience/certification with AWS cloud environments and experience testing cloud-native applications, services and integrations. Practical experience working within ...

UKI AI Director

Hiring Organisation
Entain
Location
Arkansas, United Kingdom
Employment Type
Full Time
warehousing Advanced analytics platforms Enterprise MLOps frameworks Influence multi-cloud architecture initiatives across platforms such as: Google Cloud Platform (GCP) Amazon Web Services (AWS) Open-source AI ecosystems Establish scalable and flexible technical foundations that balance short-term delivery with long-term strategic value. Operational & Cross-Functional Leadership … Generative AI, Agentic AI, data engineering, MLOps, cloud data platforms and enterprise architecture. Experience operating across multi-cloud environments, ideally including GCP, AWS and open-source AI ecosystems. Commercially minded, with the ability to connect AI strategy directly to business performance, customer engagement, operational efficiency and revenue growth. ...

Remote Linux Cloud Engineer – Open Source Sustaining

Hiring Organisation
Jobleads-UK
Location
United Kingdom
stack role, spanning bare metal to OpenStack and Kubernetes. You will tackle upstream fixes, backport patches, and collaborate with global teams, contributing to critical open-source infrastructure used by customers and partners. The role supports remote work globally, with some travel for team meetings and conferences. #J ...

Director of Software Engineering (Systems Software)

Hiring Organisation
Jobleads-UK
Location
Cambridge, England, United Kingdom
bring together expertise across kernel, drivers, and userspace to deliver meaningful improvements in real-world systems , while collaborating across Arm and the wider open-source ecosystem. WHAT YOU’LL DO You’ll set direction, enable teams, and drive execution across multiple domains. In practice, this includes: Leading … Media, graphics, or multimedia subsystem experience Android or userspace performance exposure Familiarity with Arm architecture or hardware/software co‐design Experience working with opensource communities WHY JOIN ARM? This role offers the opportunity to lead across a broad and strategically critical part of Arm’s software ...

Director of Software Engineering (Systems Software)

Hiring Organisation
Jobleads-UK
Location
Cambridge, England, United Kingdom
bring together expertise across kernel, drivers, and userspace to deliver meaningful improvements in real-world systems , while collaborating across the company and the wider open-source ecosystem. WHAT YOU’LL DO You'll set direction, enable teams, and drive execution across multiple domains. In practice, this includes: Leading … graphics, or multimedia subsystem experience Android or userspace performance exposure Familiarity with the company architecture or hardware/software co-design Experience working with open-source communities WHY JOIN the company? This role offers the opportunity to lead across a broad and strategically critical part of the company ...

Strategic Enterprise Sales Lead – Open-Source Data Platform

Hiring Organisation
Jobleads-UK
Location
United Kingdom
cycle from discovery to close, targeting $150K ARR deals and building 6+ new logos per year. You’ll rely on MEDDPICC, Challenger Sales and open-source data platform expertise to articulate business value, reduce operational overhead, and win as a strategic partner for growth. Hybrid work policy included. ...