Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Open Source Developer [33132]

Stealth Startup

We are looking for a passionate Open Source Developer who is excited about building in public, contributing to developer ecosystems, and working on cutting-edge technologies such as LLMs, AI tooling, and scalable backend systems. This role is ideal for early-career engineers who love experimenting, learning fast, and shipping meaningful contributions. Key Responsibilities Contribute to and maintain open-source projects (internal and external) Build and improve developer tools, APIs, and libraries Work with modern AI/ML stacks, including LLM integrations Collaborate with the engineering team to design scalable backend systems Write clean, well-documented, and testable code Engage with the open-source community (issues, PRs, discussions) Stay up to date with emerging technologies in AI, Python ecosystems, and developer tooling Required Skills & Qualifications 0–3 years of experience in software development Strong proficiency in Python (preferred) Familiarity with Git and open-source workflows (PRs, forks, issues) Basic understanding of APIs, backend development, and system design Exposure to AI/ML concepts or interest in working with LLMs Good problem-solving skills and a builder mindset Nice to Have Contributions to open-source projects (GitHub profile is a big plus) Experience with frameworks like FastAPI, Django, or Node.js Familiarity with tools like Docker, Kubernetes, or cloud platforms Experience working with LLM APIs (OpenAI, Hugging Face, etc.) Understanding of vector databases or retrieval systems What We’re Looking For Curious, self-driven individuals who enjoy learning by building Strong ownership and willingness to take initiative Passion for open-source and community-driven development Ability to work in a fast-paced, experimental environment Why Join Work on cutting-edge AI and developer tooling Opportunity to contribute to impactful open-source projects High ownership and learning opportunities from day one Collaborative and engineering-first culture #J-18808-Ljbffr

Vacancy posted 5 days ago
Similar jobs that could be interesting for youBased on the Open Source Developer [33132] in New York, NY vacancy
  •  ...Chainguard is seeking a Software Engineer to work on securing the open source supply chain. You will own backend features in Go, contribute to infrastructure projects, and write production-ready code. This role offers a dynamic work environment with the opportunity to... 
    Suggested
    Remote work
    Flexible hours

    Chainguard

    New York, NY
    2 days ago
  •  ...is hiring a Senior/Staff/Lead Engineer to join the Launchpad team remotely within the EMEA region. You will lead initiatives in open-source collaboration, using your expertise in Python to enhance a mature platform. With a focus on delivering robust, scalable systems and... 
    Suggested
    Remote work

    Canonical Group Ltd

    New York, NY
    2 days ago
  •  ...A leading technology company is seeking a Software Engineer to enhance an open source developer experience with Multipass. This remote position focuses on ensuring ease of use and quality in C++ development on Windows and macOS. Candidates should have expertise in modern... 
    Suggested
    Remote work

    Canonical

    New York, NY
    2 days ago
  • $126k - $248k

     ...is seeking a Senior Software Engineer to join the Database Experience team. This role involves designing, writing, and supporting open-source libraries while contributing to the .NET community. The candidate should have over 5 years of experience in software development... 
    Suggested
    Flexible hours

    United States Digital Space LLC

    New York, NY
    2 days ago
  •  ...Junior Software Support Engineer to join its team. This entry-level role involves resolving complex issues with Ubuntu and other open source software, collaborating with global teams, and offering remote working opportunities. Candidates should have a background in Computer... 
    Suggested
    Remote work

    Joinrs

    New York, NY
    2 days ago
  •  ...collaborating with product managers and engineering teams to address complex challenges. Ideal candidates should have deep expertise in open-source databases and experience in designing scalable data architectures. The role offers a chance to shape technical strategy and... 

    Government Employees Insurance Company - GEICO

    New York, NY
    4 days ago
  • $120k - $140k

    Chainguard, Inc. is seeking a Software Engineer to contribute to securing the open source supply chain. This role involves owning backend features and ensuring production readiness, with a strong focus on using Go and working in a cloud environment. With a competitive salary... 
    Remote job
    Flexible hours

    Chainguard, Inc.

    New York, NY
    3 days ago
  • Chainguard, Inc. is searching for a Software Engineer to join their mission of securing the open source supply chain. You will own backend features in Go on GCP, write clean and production-ready code, and contribute to validation workflows. The ideal candidate has over... 
    Remote job
    Flexible hours

    Chainguard, Inc.

    New York, NY
    3 days ago
  • $200k - $300k

     ...experience building user interfaces from scratch, especially using React. We offer a competitive salary ranging from $200K to $300K plus equity, an opportunity to work on open-source projects, and an innovative environment that fosters creative solutions. #J-18808-Ljbffr... 

    Bold Profiles

    New York, NY
    5 days ago
  •  ...A leading provider of open source software is seeking a Software Engineer to develop Juju, a large open-source project that drives cloud automation. This remote role requires excellent communication skills and an exceptional academic background. As a Software Engineer... 
    Remote work

    Canonical Group Ltd

    New York, NY
    2 days ago
  •  ...Canonical is seeking a Cloud Solutions Architect in the Alliances team to assist major partners like Intel and Google in adopting their open source platform. This is a remote role with opportunities for global collaboration and presentations for technical engagements. Key... 
    Remote work

    Canonical

    New York, NY
    2 days ago
  •  ...Senior Software Engineer to join the Kubernetes product team. The role involves developing operators and addons, focusing on Golang and Kubernetes. The ideal candidate is passionate about open-source software and has strong communication skills. Benefits include a personal... 
    Remote work

    Canonical

    New York, NY
    2 days ago
  •  ...million models, 1 million datasets & 1.5 million Gradio apps. Our open-source libraries have more than 700,000 stars on Github. About the...  ...time. In the short term, the focus of this role is to help develop Gradio a Python framework that lets users build machine learning... 
    Temporary work
    Work at office
    Local area
    Remote work
    Flexible hours

    Hugging Face

    New York, NY
    4 days ago
  •  ...Hugging Face is searching for a skilled developer to create innovative solutions using Gradio and Trackio. In this role, you will contribute...  ...Science, over 5 years of Python experience, and a passion for open-source projects. The position offers flexible working hours,... 
    Remote work
    Flexible hours

    Hugging Face

    New York, NY
    4 days ago
  •  ...Network to Code is seeking an Engineering Manager to lead the delivery of key Python & Django-based open source projects. You will guide a distributed team, ensuring quality delivery while acting as the day-to-day Product Owner. The ideal candidate will manage team performance... 

    Network to Code

    New York, NY
    1 day ago
  •  ...every release. About the Role We’re hiring engineers to build the open-source libraries that customers use to observe, understand, and...  ...providers. This role is ideal for engineers who are passionate about developer experience, API craftsmanship, and building fast, reliable,... 
    Remote work
    Flexible hours

    Braintrust Data, Inc.

    New York, NY
    1 day ago
  •  ...Kindredventures is seeking a passionate Front-end Developer to join their team in New York. The role involves writing open-source code using React and collaborating with a talented team to implement innovative features in a growing startup environment. The ideal candidate... 

    Kindredventures

    New York, NY
    5 days ago
  • $220k - $258k

     ...looking for a Principal Software Engineer to set the technical direction for its Athena clearing house, focusing on securing the open source supply chain. The ideal candidate will have a strong background in Go, experience in GCP, and a proven track record in building maintainable... 
    Remote work
    Flexible hours

    Chainguard

    New York, NY
    13 hours ago
  •  ...within Red Hat Enterprise Linux and the Red Hat Certificate System. This position involves designing, developing, and collaborating on features with a focus on open-source contributions. Qualified candidates should have Java/Rust experience, knowledge of Linux tools, and... 

    Red Hat

    New York, NY
    5 days ago
  • $185k - $275k

     ...that support the Stellar ecosystem. This role involves collaborating across teams, optimizing backend systems, and contributing to open-source efforts. The ideal candidate has 4+ years of experience, strong computer science fundamentals, and proficiency in languages like... 
    Flexible hours

    Stellar

    New York, NY
    2 days ago
  •  ...Braintrust Data, Inc. is seeking engineers to develop open-source SDKs that optimize AI observability in production applications. This role emphasizes building resilient libraries, enhancing developer experience, and collaborating with various teams. Ideal candidates should... 
    Flexible hours

    Braintrust Data, Inc.

    New York, NY
    1 day ago
  •  ...Hugging Face in New York is seeking a Python Developer to help create scalable machine learning applications. The role focuses on developing...  ..., knowledge of modern frontend frameworks, and a passion for open-source projects. Hugging Face values diversity and offers a flexible... 
    Remote work
    Flexible hours

    Hugging Face

    New York, NY
    4 days ago
  • $60 - $85 per hour

     ...commitment that can range from part-time to full-time hours. Ideal candidates should have strong experience with Go, unit testing, and open-source contributions. Responsibilities include writing unit tests, collaborating on AI projects, and improving language model workflows.... 
    Full time
    Part time
    Remote work

    Feedinkoo

    New York, NY
    2 days ago
  • $130k - $160k

     ...collaboration in mission-critical industries. This role entails working with TypeScript, React, and Go, contributing towards impactful open-source projects, and mentoring peers. With a salary range of $130,000 – $160,000 USD, candidates should have 3+ years of experience and... 
    Remote work

    Feedinkoo

    New York, NY
    1 day ago
  • Hugging Face is seeking a skilled developer to contribute to Gradio, a Python framework for machine learning web apps. The role focuses...  ..., JavaScript, and modern frontend frameworks. We value open-source contributions and a passion for accessibility in machine learning... 

    Hugging Face

    New York, NY
    2 days ago
  •  ...A technology company is seeking an Open Source Engineer - Go to develop libraries that enhance AI observability across applications. This role focuses on creating effective SDKs while prioritizing user experience and performance. Ideal candidates will have robust expertise... 

    Brain Trust Inc

    New York, NY
    2 days ago
  •  ...forward data company in the United States is looking for a Senior Software Engineer to build and maintain their hosting platform and open-source project. The ideal candidate is proficient in Async Rust and has strong architectural skills. Join a remote-first team dedicated... 
    Remote work
    Flexible hours

    fiveonefour

    New York, NY
    3 days ago
  •  ...Ventures is looking for a TypeScript Engineer to contribute to an open-source framework project. Your role will include leading community...  ...innovate alongside a passionate team dedicated to enhancing developer tools in Web3. Enjoy generous PTO and the opportunity to impact... 
    Remote work
    Flexible hours

    Framework Ventures

    New York, NY
    3 days ago
  •  ...LangChain At LangChain, our mission is to make intelligent agents ubiquitous. We help developers build mission-critical AI applications across the entire agent development lifecycle. Our open source frameworks — LangChain and LangGraph — see over 70+ million downloads per... 

    LangChain

    New York, NY
    1 day ago
  • Framework Ventures is looking for a Senior Open Source Developer who will work remotely on non-EVM open source ecosystems. The ideal candidate will have over 5 years of software engineering experience and proficiency in Rust or Go, alongside a solid understanding of public... 
    Remote job
    Work from home
    Flexible hours

    Framework Ventures

    New York, NY
    3 days ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Open Source Developer [33132]. Be the first to apply!