Permanent Open Source Job Vacancies

351 to 375 of 3,041 Permanent Open Source Jobs

Software Engineer

Manchester, England, United Kingdom
Mobysoft
/Java/Software Engineering/Agile/IaaS/PaaS) Role Overview Key Accountabilities, Activities and Decision Areas Developing, maintaining and enhancing software applications for Mobysoft, principally leveraging Open Source stacks ( Python, Java & MySQL ), AWS Cloud Platform Services (IaaS & PaaS) Mentoring and coaching members of the team to ensure everyone is working to, and improving on, high … software applications Problem solve and debug complex software systems to allow defect analysis and fixing Adhere to department procedures and practices, including coding standards, secure coding standards, build processes, source control and development process Ensure the high quality (in terms of security, performance and overall quality) of software applications produced by the department Teamwork Works collaboratively with others and … these both internally and externally. Takes ownership of own personal and professional development Skills and Qualifications Required – skills, expertise and qualifications Essential – Minimum Requirements for the job role Leveraging Open Source stacks, utilising Python and MySQL , DynamoDB ,Redshift at a senior engineering level. The successful candidate will be from a SAAS background and this is essential for this More ❯
Posted:

Lead Python Software Engineer

City of London, London, United Kingdom
Develop
Doing Leading a growing team (currently 2 engineers + external partners) across complex data and cloud engineering projects Designing and delivering distributed solutions on an AWS-centric stack, with open-source flexibility Working with Databricks, Apache Iceberg, and Kubernetes in a cloud-agnostic environment Guiding architecture and implementation of large-scale data pipelines for structured and unstructured data … background. Opportunity to shape wider tech stack moving forward. Cloud: AWS preferred, cloud-agnostic approach encouraged Data: SQL, Databricks, Iceberg, Kubernetes, large-scale data pipelines CI/CD & Ops: Open source tools, modern DevOps principles Why Join Us? Impactful Work - Help solve security problems that truly matter Ownership & Autonomy - Freedom to shape the stack and drive strategy alongside More ❯
Employment Type: Permanent
Posted:

Software Engineer – Backend (Remote)

London, England, United Kingdom
Hybrid / WFH Options
Zettafleet
non-technical stakeholders. We would like to acknowledge that almost no candidate checks every box – and that is perfectly fine. If you are passionate about solving complex challenges and open to learning new technologies, we would love to hear from you. Nice to have : Machine Learning: Experience in generative models, LLMs, multi-modal models and Deep Learning more generally. … Open-source: Contributions to and experience in open-source projects. Startup experience: Experience with a startup work environment and wider ecosystem. Work in an environment conducting cutting-edge research in AI. An official role title of “Founding Engineer” – make an impact on day one. Competitive salary, equity and benefits package. 28 days + public holidays allowance. More ❯
Posted:

Data Engineer (Security Clearance)

South West, Axbridge, Somerset
CGI
Forces, and are proud to hold a Gold Award in recognition of our support of the Armed Forces Corporate Covenant. Join us and you'll be part of an open, friendly community of experts. We'll train and support you in taking your career wherever you want it to go. We are seeking an experienced and innovative Data Engineer … a collaborative environment using Agile methodologies (Scrum/SaFE). The ideal candidate will have strong experience with AWS, microservices architecture, and message-driven principles, with a focus on open-source technologies. Your future duties and responsibilities • Integrate with the clients Analytics Platform services in AWS. • Lead the data development of scalable, distributed systems using Apache Kafka (Confluent … learning-related data exchange. • Jira & Confluence • Good communication skills • Willingness to learn continuously and actively grow your career • Understanding of industry standards and best practice • Experience of development using open-source technologies • Scrum writing user stories and acceptance criteria. Desirable Skills • Azure: Knowledge of Azure cloud services is a plus. • Government Digital Standards (GDS) • CI/CD and More ❯
Employment Type: Permanent
Posted:

Sr. Software Engineer (Team Lead) with Security Clearance

Annapolis Junction, Maryland, United States
FUSE Engineering
components of the platform. Requirements TS/SCI w/Polygraph Clearance Required Qualifications Experience building distributed systems. Experience performing application, network, and infrastructure monitoring and analysis. Familiarity with open source tools such as Istio, Keycloak, Nginx, Prometheus, Grafana, Accumulo, and Elasticsearch. Experience with administering Kubernetes clusters including deploying and configuring operators and helm charts. Experience with one More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Senior Golang Engineer - Go / Kubernetes

Slough, England, United Kingdom
JR United Kingdom
Social network you want to login/join with: Senior Golang Engineer - Go/Kubernetes, Slough Client: Source Technology Location: Slough, United Kingdom Job Category: Other - EU work permit required: Yes Job Views: 4 Posted: 31.05.2025 Expiry Date: 15.07.2025 Job Description: About the Role We’re looking for experienced engineers to help design and build global-scale libraries, modules … AI and Large Language Models (LLMs). You’ll define best practices for integrating GenAI, vectorizing data, and deploying LLMs. You’ll be working with cutting-edge tools and open-source technologies. A key part of your job is helping define technical standards and driving innovation across teams. Key Responsibilities Build full-stack reference architectures and reusable patterns More ❯
Posted:

Senior Cloud Security Engineer

London, England, United Kingdom
Hybrid / WFH Options
Form3 - External
including essential security features and long-term hardening practices You appreciate building systems with good engineering practices and may have a background in software engineering at scale You're open to being part of our on-call rota for severe security incidents or tooling failures Desirable You have an interest in offensive security, including participation in CTFs or experience … Golang and Terraform TECH STACK AWS, GCP, Azure, and private Data Centers Kubernetes, Helm, Flux Distributed systems, mainly Golang with CockroachDB and NATS SIEM/SOAR, EDR, CNAPP, and open-source tools with custom integrations THE TEAM You will join a team of security engineers maintaining and expanding security controls, advising wider platform and application teams within R … technology. For more, see: What we do | Life at Form3 | Benefits | Flexa-verified employer | Podcasts OUR DEI&B COMMITMENT We value diversity and inclusion, fostering an environment based on open-mindedness and curiosity. Our processes promote equal opportunity, and we guarantee interviews for neurodiverse and disabled applicants who meet minimum criteria. Please notify us of any accommodations needed during More ❯
Posted:

Lead Software Engineer

United Kingdom
Aker Systems Limited
UK for a minimum of 5 years. As a Software Engineer, you will help lead the development of backend services for a government client leveraging the latest commercial and open-source technologies. This involves designing, developing, documenting and deploying backend services with a focus on high availability, low latency and scalability. Design, develop, document and deploy new or … engineering practices including continuous delivery, clean code, documentation, defensive programming, automated testing and code reviews Working in Agile development and/or DevOps teams Using GitHub/GitLab for source control Test Driven Development with appropriate tools and frameworks Experience in Big Data technologies Experience in Public Cloud services, such as AWS Aker Systems Attributes At Aker we work … as a team, we are collaborative, hardworking, open, and delivery obsessed. There is no blame culture here: try things, and take responsibility for the outcomes. You are always part of the wider Aker. We help out our colleagues and take pride in successfully achieving difficult tasks. We run towards problems and help solve them. Communicate always, do so accurately More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Lead Software Engineer

London, England, United Kingdom
Aker Systems Limited
UK for a minimum of 5 years. As a Software Engineer, you will help lead the development of backend services for a government client leveraging the latest commercial and open-source technologies. This involves designing, developing, documenting and deploying backend services with a focus on high availability, low latency and scalability. Design, develop, document and deploy new or … engineering practices including continuous delivery, clean code, documentation, defensive programming, automated testing and code reviews Working in Agile development and/or DevOps teams Using GitHub/GitLab for source control Test Driven Development with appropriate tools and frameworks Experience in Big Data technologies Experience in Public Cloud services, such as AWS Aker Systems Attributes At Aker we work … as a team, we are collaborative, hardworking, open, and delivery obsessed. There is no blame culture here: try things, and take responsibility for the outcomes. You are always part of the wider Aker. We help out our colleagues and take pride in successfully achieving difficult tasks. We run towards problems and help solve them. Communicate always, do so accurately More ❯
Posted:

Junior Software Engineer

Bedford, England, United Kingdom
JR United Kingdom
. Desirable knowledge and experience Understanding of or working with AI/ML algorithms and data science. Docker and Kubernetes. Experience with Large Language Model stacks, vector databases, Haystack, open-source (Mistral, Falcon, Llama 3), and closed-source models like GPT-4 and Claude. Knowledge of Git version control, branching, and code versioning. Renumeration: Healthcare insurance upon More ❯
Posted:

Junior Software Engineer

Lincoln, England, United Kingdom
JR United Kingdom
. Desirable knowledge and experience Understanding of or working with AI/ML algorithms and data science. Docker and Kubernetes. Experience with Large Language Model stacks, vector databases, Haystack, open-source (Mistral, Falcon, Llama 3), and closed-source models like GPT-4 and Claude. Knowledge of Git version control, branching, and code versioning. Renumeration: Healthcare insurance upon More ❯
Posted:

Junior Software Engineer

Shrewsbury, England, United Kingdom
JR United Kingdom
. Desirable knowledge and experience Understanding of or working with AI/ML algorithms and data science. Docker and Kubernetes. Experience with Large Language Model stacks, vector databases, Haystack, open-source (Mistral, Falcon, Llama 3), and closed-source models like GPT-4 and Claude. Knowledge of Git version control, branching, and code versioning. Renumeration: Healthcare insurance upon More ❯
Posted:

Junior Software Engineer

Chesterfield, England, United Kingdom
JR United Kingdom
. Desirable knowledge and experience Understanding of or working with AI/ML algorithms and data science. Docker and Kubernetes. Experience with Large Language Model stacks, vector databases, Haystack, open-source (Mistral, Falcon, Llama 3), and closed-source models like GPT-4 and Claude. Knowledge of Git version control, branching, and code versioning. Renumeration: Healthcare insurance upon More ❯
Posted:

Junior Software Engineer

Worcester, England, United Kingdom
JR United Kingdom
. Desirable knowledge and experience Understanding of or working with AI/ML algorithms and data science. Docker and Kubernetes. Experience with Large Language Model stacks, vector databases, Haystack, open-source (Mistral, Falcon, Llama 3), and closed-source models like GPT-4 and Claude. Knowledge of Git version control, branching, and code versioning. Renumeration: Healthcare insurance upon More ❯
Posted:

Junior Software Engineer

Basildon, England, United Kingdom
JR United Kingdom
. Desirable knowledge and experience Understanding of or working with AI/ML algorithms and data science. Docker and Kubernetes. Experience with Large Language Model stacks, vector databases, Haystack, open-source (Mistral, Falcon, Llama 3), and closed-source models like GPT-4 and Claude. Knowledge of Git version control, branching, and code versioning. Renumeration: Healthcare insurance upon More ❯
Posted:

Junior Software Engineer

Gloucester, England, United Kingdom
JR United Kingdom
. Desirable knowledge and experience Understanding of or working with AI/ML algorithms and data science. Docker and Kubernetes. Experience with Large Language Model stacks, vector databases, Haystack, open-source (Mistral, Falcon, Llama 3), and closed-source models like GPT-4 and Claude. Knowledge of Git version control, branching, and code versioning. Renumeration: Healthcare insurance upon More ❯
Posted:

Junior Software Engineer

Norwich, England, United Kingdom
JR United Kingdom
. Desirable knowledge and experience Understanding of or working with AI/ML algorithms and data science. Docker and Kubernetes. Experience with Large Language Model stacks, vector databases, Haystack, open-source (Mistral, Falcon, Llama 3), and closed-source models like GPT-4 and Claude. Knowledge of Git version control, branching, and code versioning. Renumeration: Healthcare insurance upon More ❯
Posted:

Junior Software Engineer

Dartford, England, United Kingdom
JR United Kingdom
. Desirable knowledge and experience Understanding of or working with AI/ML algorithms and data science. Docker and Kubernetes. Experience with Large Language Model stacks, vector databases, Haystack, open-source (Mistral, Falcon, Llama 3), and closed-source models like GPT-4 and Claude. Knowledge of Git version control, branching, and code versioning. Renumeration: Healthcare insurance upon More ❯
Posted:

Junior Software Engineer

Stevenage, England, United Kingdom
JR United Kingdom
. Desirable knowledge and experience Understanding of or working with AI/ML algorithms and data science. Docker and Kubernetes. Experience with Large Language Model stacks, vector databases, Haystack, open-source (Mistral, Falcon, Llama 3), and closed-source models like GPT-4 and Claude. Knowledge of Git version control, branching, and code versioning. Renumeration: Healthcare insurance upon More ❯
Posted:

Junior Software Engineer

York, England, United Kingdom
JR United Kingdom
. Desirable knowledge and experience Understanding of or working with AI/ML algorithms and data science. Docker and Kubernetes. Experience with Large Language Model stacks, vector databases, Haystack, open-source (Mistral, Falcon, Llama 3), and closed-source models like GPT-4 and Claude. Knowledge of Git version control, branching, and code versioning. Renumeration: Healthcare insurance upon More ❯
Posted:

Junior Software Engineer

Ipswich, England, United Kingdom
JR United Kingdom
. Desirable knowledge and experience Understanding of or working with AI/ML algorithms and data science. Docker and Kubernetes. Experience with Large Language Model stacks, vector databases, Haystack, open-source (Mistral, Falcon, Llama 3), and closed-source models like GPT-4 and Claude. Knowledge of Git version control, branching, and code versioning. Renumeration: Healthcare insurance upon More ❯
Posted:

Junior Software Engineer

Stockport, England, United Kingdom
JR United Kingdom
. Desirable knowledge and experience Understanding of or working with AI/ML algorithms and data science. Docker and Kubernetes. Experience with Large Language Model stacks, vector databases, Haystack, open-source (Mistral, Falcon, Llama 3), and closed-source models like GPT-4 and Claude. Knowledge of Git version control, branching, and code versioning. Renumeration: Healthcare insurance upon More ❯
Posted:

Junior Software Engineer

Northampton, England, United Kingdom
JR United Kingdom
. Desirable knowledge and experience Understanding of or working with AI/ML algorithms and data science. Docker and Kubernetes. Experience with Large Language Model stacks, vector databases, Haystack, open-source (Mistral, Falcon, Llama 3), and closed-source models like GPT-4 and Claude. Knowledge of Git version control, branching, and code versioning. Renumeration: Healthcare insurance upon More ❯
Posted:

Junior Software Engineer

Edinburgh, Scotland, United Kingdom
JR United Kingdom
. Desirable knowledge and experience Understanding of or working with AI/ML algorithms and data science. Docker and Kubernetes. Experience with Large Language Model stacks, vector databases, Haystack, open-source (Mistral, Falcon, Llama 3), and closed-source models like GPT-4 and Claude. Knowledge of Git version control, branching, and code versioning. Renumeration: Healthcare insurance upon More ❯
Posted:

Junior Software Engineer

Wakefield, England, United Kingdom
JR United Kingdom
. Desirable knowledge and experience Understanding of or working with AI/ML algorithms and data science. Docker and Kubernetes. Experience with Large Language Model stacks, vector databases, Haystack, open-source (Mistral, Falcon, Llama 3), and closed-source models like GPT-4 and Claude. Knowledge of Git version control, branching, and code versioning. Renumeration: Healthcare insurance upon More ❯
Posted:
Open Source
10th Percentile
£50,000
25th Percentile
£62,500
Median
£73,000
75th Percentile
£103,750
90th Percentile
£137,500