24 of 24 Remote Open Source Jobs in Chelmsford

an early career Graduate Software Engineer to help us build our Python LLM evaluation library, working closely with the Engineering and Science teams. We open to hiring remotely in the UK. As one of our first hires this is a high-impact and high-ownership role. We believe this … As one of our first hires, you will work closely with the CTO, and you will be required to lead the development of our open source Python tools, and to engage and grow our community. The ideal candidate is someone with passion for software an AI; ideally, you … should have previous experience with LLMs, contributed to open source projects, and/or show a strong track record of personal software projects. Your duties will include: Own the development of our Python open source evaluation library; Engage with the community through GitHub and/or More ❯

We’re partnered with a globally recognised team behind a widely used open-source platform. They’re looking for a Senior Software Engineer with strong Ruby experience to lead on new feature development, performance improvements, and robust testing — all within a fully remote environment. You’ll be part …/CD, and collaborative workflows Confident writing tests (RSpec, Capybara) and monitoring production systems Solid AWS, Docker, and Kubernetes knowledge Bonus: Exposure to cybersecurity, open-source work, or Python/Go Keen to learn more? Send over your CV or drop me a message to discuss. More ❯

you have: Experience building or supporting high-performance data platforms (e.g. stream processing, change data capture) Familiarity with Python, Django, or Golang Contributions to open-source communities or tools Working knowledge of Postgres, Terraform, and CI/CD pipelines (e.g. GitHub Actions) Interest or experience in developer productivity … remote from anywhere in the UK Unlimited holiday Company wide events and team socials High-trust, high-impact culture Work with cutting-edge open-source tools in a collaborative, fast-moving environment Supportive team and strong learning/development culture Interview Process: Intro chat Technical Interview Panel & meet More ❯

unique opportunity to blend practical software engineering with AI research. What does day-to-day look like: Analyze and triage GitHub issues across trending open-source libraries. Set up and configure code repositories, including Dockerization and environment setup. Evaluating unit test coverage and quality. Modify and run codebases … software pipeline setup. Ability to understand and navigate complex codebases. Comfortable running, modifying, and testing real-world projects locally. Experience contributing to or evaluating open-source projects is a plus. Note: Experience working with well-maintained, widely-used repositories (500+ stars) is required. Nice to Have: Previous participation More ❯

and inspire developers. Gather insights from the community and share actionable feedback with the product team to shape our roadmap. Support and contribute to open source initiatives, helping to maintain our public repositories. What we're looking for; A solid Software Engineering background ideally using Rust or Python … cloud architecture and deployment models. A knack for creating clear, engaging technical content (blog posts, documentation, tutorials). Active participation in developer communities and open source projects . Strong verbal and written communication skills. Perks & Benefits 🎁 Remote-first culture with flexible work schedules. Generous paid time off and More ❯

event-driven design Experience working with cloud platforms (e.g., AWS, GCP, Azure) Familiarity with monitoring, logging, and observability tools Bonus Points For Contributions to open-source projects Contributions to an AI product ⚙️ Tech Stack: Golang, GCP, microservices, Kubernetes, Kafka, MongoDB, Prometheus If scalability, security, databases and performance is More ❯

build a new cloud-native IaC platform. Develop software using technologies such as Docker Compose, Terraform, Kubernetes (K8s), Python, and Go. Provision and orchestrate open-source services including Loki, Redis, Grafana, Authentik, Netbird, among others. Design and implement CI/CD pipelines to streamline deployment processes. Initially focus More ❯

documentation). Proficiency in applying SOLID principles and Test-Driven Development methodologies. Experience with cloud products, Kubernetes, or other orchestration tools. API management experience. Open-source contributions. Highly organised with exceptional attention to detail. Strong communication skills. Passion for continuous improvement in the software delivery lifecycle. Experience influencing More ❯

Do Design, build, and optimise resilient, high-performance infrastructure. Develop and maintain CI/CD pipelines to enhance deployment efficiency. Implement cloud-native and open-source solutions to improve reliability and scalability. Proactively monitor and troubleshoot production systems, ensuring uptime and performance. Automate infrastructure provisioning and configuration using More ❯

Java Exposure to crypto, trading, or finance-related platforms Familiarity with Docker, Kubernetes, CI/CD (GitHub Actions, GitLab, Jenkins, etc.) Prior contributions to open-source or side projects in Rust 🌍 Why Join? Work on cutting-edge FinTech systems used globally Be part of a high-caliber engineering More ❯

help you get there: Understanding of cloud computing security concepts Experience in relational cloud-based database technologies like Snowflake, BigQuery or Redshift Experience in open-source technologies like Spark, Kafka, Beam understanding of Cloud tools such as AWS, Microsoft Azure or Google Cloud Familiarity with DBT, Delta Lake More ❯

Responsibilities Design and deploy custom workflow solutions using Camunda SaaS Build and configure Camunda Postgres connectors, job workers, service tasks, and user tasks Lead open-source delivery initiatives and support internal project teams Collaborate with engineering, product, and business teams to align on requirements and architectural direction Ensure More ❯

Meta, GitHub and Uber Key Responsibilities Partner with customers to identify and address their ML deployment needs Implement and optimise ML solutions using Python, open-source tools & infrastructure Collaborate with cross-functional teams to enhance product features, based on client feedback Work with Python, PyTorch, Tensorflow, Kubernetes, Docker More ❯

with Node.js or similar. · Familiarity with AWS or Azure services. · Experience with NoSQL/graph databases. · Knowledge of state management, testing practices, and scalability. · Open-source contributions or reusable component library development. · Experience mentoring developers and supporting team growth. Ready to make a real impact in a fast More ❯

SAM) • Exposure to Snowflake, DBT, Airflow, or cost analytics/data pipeline tools • Knowledge of FinOps practices or cost intelligence platforms • Experience contributing to open-source platforms or cloud-native communities • Working knowledge of ML or AI-led querying and optimization techniques Why Join? • Shape the early foundations More ❯

D into Defence and NS customers. Of particular interest are candidates with the following experience (evidenced by a track record of publications, industry experience, open-source available code or equivalent academic work): Predictive Graph Machine Learning, Causal Machine Learning or Neuro-Symbolic AI. Natural Language Processing, including Information More ❯

D into Defence and NS customers. Of particular interest are candidates with the following experience (evidenced by a track record of publications, industry experience, open-source available code or equivalent academic work): Predictive Graph Machine Learning, Causal Machine Learning or Neuro-Symbolic AI. Natural Language Processing, including Information More ❯

in voice conversion, speech synthesis, or NLP. PhD specialization in voice or speech-related ML fields. A track record of thought leadership through publications, open-source contributions, or patents. More ❯

GitLab account to show previous work and tools development Participated in bug bounty programs Have public CTF record Have public blog Contributed to the Open-Source community Knowledge of Digital Forensics Our Values We work together We believe in people We wont accept the way its always been More ❯

that our contributions are not just good but exceptional. Openness and Transparency We believe trust and transparency are key to our success. We maintain open communication within our teams and with stakeholders, sharing both successes and challenges. Our open-source approach allows customers to explore our technology More ❯

come from a strong background of product development, working within product environments with a product thinking mindset. Their data-driven approach fuses broad-spectrum open-source data, AI technology and world-leading analysis to deliver instant situational intelligence which in turn allows their clients to make dynamic, well More ❯

solver, Monte Carlo, PIC). In-depth knowledge of rarefied gas flows or reacting flows. Experience with plasma chemistry design. Familiarity with commercial or open-source CFD packages (e.g., OpenFOAM, Ansys Fluent).  What We Offer: A competitive salary and benefits package. Work-life balance and hybrid working More ❯

distillation, benchmarking, and evaluation. Define preprocessing and harmonization strategies for diverse assay datasets used in ADMET modeling. Author or contribute to scientific publications or open-source software where appropriate. Expected Milestones By Month 3 : Own an ADMET modeling stream and deliver a roadmap with a structured experimentation plan More ❯

up to 3 times a year. Here’s what your day-to-day will look like: Identify and research potential advertisers (developer tooling companies, open-source companies, platforms, agencies, etc.) Generate demand via email, LinkedIn, and other lead generation tools channels to spark conversations Take sales calls, understand More ❯