851 to 875 of 4,369 Open Source Jobs

Director: Lead Data Engineer

Location
Greater London, England, United Kingdom
processing and streaming technologies like Apache Kafka or Azure Event Hubs Knowledge of data visualization tools, such as Power BI or Tableau Contributions to open-source projects or active participation in the data engineering community #J-18808-Ljbffr ...

Software Engineer - (Hybrid-Remote) - McLean, VA; position requires a TS/SCI Clearance

Hiring Organisation
Synertex LLC
Location
McLean, Virginia, United States
Employment Type
Permanent
Salary
USD Annual
deliver innovative solutions, including AI-driven capabilities, that address the client's most critical needs. The ideal candidate will also have strong proficiency with open-source development tools and environments, particularly Linux and Python. This is a hybrid remote position (50% on site/50% work from home ...

Senior Applied AI Engineer

Hiring Organisation
Foresite
Location
Overland Park, Kansas, United States
Employment Type
Permanent
Salary
USD Annual
environments (Vertex AI/GCP preferred, but multi-cloud background in AWS/Azure is equally welcome). Broad familiarity with leading closed-source and open-source models (Claude, Gemini, GPT-4, Llama, Mistral). Data Engineering Competency: Comfortable designing schemas, writing queries, and managing ORM data ...

Engineer C# (Full Stack)

Location
City Of London, England, United Kingdom
with observability tools such as OpenTelemetry and Grafana. Experience with Infrastructure as Code (Terraform). Understanding of financial markets or trading systems. Contribution to opensource projects. Awareness of security principles and DevSecOps practices. Role Band & Level Professional/5 Location United Kingdom – 135 Bishopsgate, London Inclusive Statement ...

Software Engineer

Hiring Organisation
Experis
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£750 - £830/day
Kubernetes (e.g. GKE). Familiarity with GCP networking and security controls - VPC, VPC Service Controls (VPC-SC), and private connectivity. Contributions to relevant open-source projects. Knowledge or interest in disease biology, molecular biology and medicine. Experience working with biomedical data (e.g., genomics, transcriptomics, proteomics, electronic health records ...

Platform Compute Specialist

Hiring Organisation
SQUAREPOINT CAPITAL
Location
London, United Kingdom
Salary
£ 100 K
/CD pipelines (e.g., GitLab CI, Jenkins, ArgoCD)Hybrid cloud architecture and workload migration strategiesVirtualization technologies (e.g., KVM, VMware, Hyper-V)Contributions to open-source infrastructure projects or internal developer platformsContainerization and orchestration (e.g., Docker, Kubernetes, Helm)Secure system design and hardening (e.g., SELinux, AppArmor, CIS benchmarks)Experience ...

Senior Applied AI Engineer (Defence 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 An active SC or DV clearance is a strong advantage for this role. Why This Role? This ...

Senior Applied AI Engineer (Defence Contractor)

Location
Greater London, 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 An active SC or DV clearance is a strong advantage for this role. Why This Role? This ...

AI Engineer

Location
Greater London, England, United Kingdom
learn, and build.Experience with multimodal AI, AI governance, or MLOps.Bonus PointsAdvanced degree in AI, Computer Science, Data Science, or related disciplines.Research, publications, patents, or open-source contributions in AI/ML.Knowledge of payments, fintech, or financial services.About the teamOur inclusive and global teams win together every day. ...

Staff Software Engineer, ML Infrastructure

Hiring Organisation
SimpliSafe
Location
Boston, Massachusetts, United States
Employment Type
Permanent
Salary
USD Annual
evaluated, versioned, deployed, monitored, and rolled back in production. Experience with model lifecycle tooling (MLflow, Weights & Biases, model registries, drift detection, shadow deployments). Open source contributions to distributed systems or ML infrastructure projects. Experience operating in environments with strong security and compliance requirements . Why This Role … with them. Aim High - Always challenging ourselves and others to raise the bar. No Ego - Maintaining a "no job too small" attitude, and an open, inclusive and humble style. One Team - Taking a highly collaborative approach to achieving success. Lift As We Climb - Investing in developing others and helping ...

Senior Software Engineer

Location
Greater London, England, United Kingdom
automation, and modern software delivery practices. Strong testing capabilities across Unit, Component, Integration, End-to-End, and Performance Testing. Familiarity with JVM ecosystem technologies, open-source frameworks, and production support. Non-Technical Skills Strong leadership, ownership, and problem-solving mindset. Ability to thrive in ambiguous and rapidly changing ...

Senior Platform Engineer Cheltenham

Location
Cheltenham, England, United Kingdom
tooling such as SAST, DAST, SBOM generation, vulnerability scanning or policy-as-code. Experience working in high-security or regulated environments. Experience contributing to open-source projects. Experience of using AI Agents and understanding of AI Governance in secure environments. Benefits Competitive salary, bonus and options scheme. Opportunities ...

Senior Staff Forward Deployed Engineer

Hiring Organisation
Uniphore
Location
London, United Kingdom
Salary
£ 100 K
experience Hands-on with dedicated Agentic AI platforms (e.g. Agentforce, Copilot Studio) Knowledge of AI compliance requirements: GDPR, EU AI Act, SOC 2, HIPAA Open-source or research contributions to LangChain, RAG, or Knowledge Graph communities Location preference:UK - LondonUniphore is an equal opportunity employer committed to diversity ...

Security Engineer - Software Security Enablement

Hiring Organisation
Bloomberg
Location
London, United Kingdom
Salary
£ 80 K
automation concepts and tooling, such as custom skills, MCP servers, agentic workflows, retrieval-augmented workflows, or integrations with development and security tooling. Knowledge of open source software component management, Software Composition Analysis, and related security tools. Knowledge of core concepts in public cloud providers such ...

Engineering Site Lead

Location
Greater London, England, United Kingdom
experience as a site lead, office lead, or similar multi-team leadership role Background in building infrastructure for LLM training or inference Contributions to open-source infrastructure or AI infrastructure projects Experience scaling teams from 0 to 20+ engineers Active involvement in the London or European tech community ...

Applications Developer II

Hiring Organisation
ARSIEM
Location
Arlington, Virginia, United States
Employment Type
Permanent
Salary
USD Annual
quality control of all developed and modified prototype software through rigorous staged testing and pipelines Establish optimal configurations and tunings for COTS, GOTS, and open source technologies pertaining to mission needs and project baselines Navigate and work within Linux and container heavy environments including Openshift, RHEL, Alma ...

Associate Director Lead AI Architect

Hiring Organisation
Anson Mccade
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
understanding of LLMs, Generative AI, prompt engineering, RAG architectures and vector databases . Experience with frameworks and tooling such as LangChain, LangGraph or similar open-source AI toolkits . Experience fine-tuning, evaluating, deploying and monitoring large-scale AI systems. Strong understanding of MLOps and/or LLMOps ...

Engineer C# (Full Stack)

Hiring Organisation
Liquidnet
Location
London, United Kingdom
Salary
£ 80 K
coding.GraphQL, and WebSockets.Knowledge of observability tools (e.g., OpenTelemetry, Grafana).Familiarity with Infrastructure as Code (Terraform).Understanding of financial markets or trading systems.Contribution to open-source projects.Awareness of security principles and DevSecOps practices.Role Band & Level: Professional/5#LI-Hybrid #LI-ASONot The Perfect Fit Concerned that ...

Engineer C# (Full Stack)

Hiring Organisation
Liquidnet
Location
London, UK
Employment Type
Full-time
WebSockets. Knowledge of observability tools (e.g., OpenTelemetry, Grafana).Familiarity with Infrastructure as Code (Terraform).Understanding of financial markets or trading systems. Contribution to open-source projects. Awareness of security principles and DevSecOps practices. Role Band & Level: Professional/5#LI-Hybrid #LI-ASONot The Perfect Fit? Concerned that ...

Engineer C# (Full Stack)

Location
Greater London, England, United Kingdom
Knowledge of observability tools (e.g., OpenTelemetry, Grafana).* Familiarity with Infrastructure as Code (Terraform).* Understanding of financial markets or trading systems.* Contribution to open-source projects.* Awareness of security principles and DevSecOps practices.**Role Band & Level:*** Professional/5#LI-Hybrid #LI-ASO**Not The Perfect Fit?**Concerned ...

Lead Data Scientist - Public Sector - security cleared

Hiring Organisation
Hackajob Ltd
Location
Belfast, County Antrim, Northern Ireland, United Kingdom
Employment Type
Permanent
Gemini), machine learning libraries (e.g. scikit-learn, XGBoost). Experience with data storage for AI, vector databases, semantic search, and knowledge graphs. Contributions to open-source AI projects or research publications. Familiarity with AI security, privacy, and compliance standards e.g. ISO42001. Embracing our differences At Kainos, we believe ...

Senior Machine Learning Engineer

Hiring Organisation
Trainline
Location
London, United Kingdom
Salary
£ 80 K
experience productionising machine learning models, with strength in an area such as predictive modelling, classification, regression, optimisation or recommendation systemsStrong proficiency in Python and open-source data libraries such as Pandas, NumPy and Scikit-learnA solid grounding in statistical methodologies, along with data extraction, manipulation and feature engineering ...

Product Security Engineer - Software Security Enablement London, GBR Posted today

Location
Greater London, England, United Kingdom
automation concepts and tooling, such as custom skills, MCP servers, agentic workflows, retrieval-augmented workflows, or integrations with development and security tooling. Knowledge of open source software component management, Software Composition Analysis, and related security tools. Knowledge of core concepts in public cloud providers such ...

Senior Lead Software Data Engineer – Corporate Know Your Customer

Location
Auchentibber, Scotland, United Kingdom
Experience with modern data platforms such as Databricks or Snowflake Hands-on expertise with Spark/PySpark and big data processing technologies Knowledge of open-source table formats and catalog services such as Apache Iceberg Experience with LLM orchestration frameworks and model serving infrastructure or managed endpoints Familiarity ...

Senior Machine Learning Engineer

Location
Greater London, England, United Kingdom
productionising machine learning models, with strength in an area such as predictive modelling, classification, regression, optimisation or recommendation systems Strong proficiency in Python and open-source data libraries such as Pandas, NumPy and Scikit-learn A solid grounding in statistical methodologies, along with data extraction, manipulation and feature ...