Open Source JobHub
  • Jobs
  • Companies
  • Employer Quick Start
  • About Us
  • Blog
  • Sign in
  • Sign up
  • Jobs
  • Companies
  • Employer Quick Start
  • About Us
  • Blog

29 software developer jobs found

Refine Search
Current Search
software developer
Refine by Categories
Marketing/PR  (1) Software Development  (1) Software Engineering  (1)
Refine by Job Type
Full time  (11)
Refine by Job Level
Senior  (1)
NLnet Foundation
19 Aug, 2026
Full time
Rust developer/software engineer at NLnet foundation
NLnet Foundation Hybrid (Amsterdam, Netherlands)
Are you fluent in Rust and want to have an impact with your skills? For its Amsterdam office, NLnet is looking for an enthusiastic and security minded software developer to be part of its team. You will join the team responsible for the development and operation of the (Rust based) backend through which we administer our open source grant programmes, and which integrates with our website. And everything else needed to efficiently manage the lifecycle of projects and orchestrate the involvement of our partners. NLnet is a public benefit organisation established in 1989. As a small foundation with a big mission we work with hundreds of free and open source projects from around the world on all layers of technology and with a network of trusted support partners. You make the entire ecosystem run efficient and secure, delivering a solid experience for everyone involved. This means designing and developing new features together with your colleagues, maintaining and improving...
Collabora
06 Aug, 2026
Full time
Embedded Linux Consultant Engineer (Remote/Anywhere)
Collabora Remote
  About the Role We are currently looking for a passionate and enthusiastic Embedded Linux Software Developer with Open-Source exposure to join our team. Your main mission will about providing consulting services to our customers in the areas of Embedded Linux (Bootloaders, Linux kernel, Linux Distros) through software development, integration, debug and testing for different types of products and customers. Location: Fully remote Travel: Optional conference attendance   What You’ll Actually Do Upstream & Community Participation : Contribute publicly to open source projects to ensure Collabora's continuing technical leadership Real-World Impact : Analyse client problems and design solutions leveraging open source technologies and Collabora's technical expertise Customer Collaboration : Define and scope client projects in collaboration with the delivery team Breadth When Needed : Gain working knowledge of customers’ products,...
CloudLinux
27 Aug, 2026
Full time
Java Developer (remote, work anywhere)
CloudLinux Remote (Warsaw, Poland)
TuxCare offers a portfolio of security solutions for Linux and open-source software aimed at enterprise organizations. With TuxCare, enterprises can automate live vulnerability patching, minimize downtime, keep their applications secure and compliant, and get support from a team that knows Linux security best – covering the most popular Linux distributions, end-of-life systems, programming languages, and much more. For more information, visit our website: tuxcare.com . One of TuxCare’s key products is Endless Lifecycle Support (ELS) , which enables organizations to securely continue using Linux distributions and software languages that have reached end of life or no longer receive standard security updates. ELS delivers vulnerability patches for unsupported versions of CentOS, Ubuntu, Debian, Oracle Linux, as well as for runtimes and frameworks such as PHP, Python, Spring, Angular/AngularJS, Django, and Flask. More details: tuxcare.com/endless-lifecycle-support . Product...
CloudLinux
25 Aug, 2026
Kernel Developer - KernelCare ELS team (fully remote, LATAM)
CloudLinux Remote (Lima, Peru)
TuxCare offers a comprehensive portfolio of security solutions for Linux and open-source software designed for enterprise organizations. With TuxCare, companies can automate live vulnerability patching, minimize downtime, ensure security and compliance, and rely on a team with deep expertise in Linux security. The solutions cover the most popular Linux distributions, end-of-life systems, programming languages, and more. Learn more at: https://tuxcare.com/ Product Description KernelCare provides automated live patching for Linux kernels without requiring reboots. Our Extended Lifecycle Support products keep end-of-life Linux distributions secure by backporting important security and bug fixes to older software versions used by enterprise customers. Role and Team We are looking for a Kernel Developer to join the KernelCare ELS team. The team investigates upstream Linux kernel changes, backports fixes to supported enterprise kernels, builds distribution packages, and...
Honeycomb
18 Aug, 2026
Senior Software Engineer II - LLM Observability
Honeycomb United States
What We’re Building Honeycomb is a service for the near and present future, defining observability and raising expectations of what developer tools can do! We’re working with well known companies like HelloFresh, Slack, LaunchDarkly, and Vanguard and more across a range of industries. This is an exciting time in our trajectory, we’ve closed Series D funding, scaled past the 200-person mark, and were named to Forbes’ America’s Best Startups of 2022 and 2023!    If you want to see what we’ve been up to, please check out these blog posts and Honeycomb.io press releases .    Who We Are We come for the impact, and stay for the culture! We’re a talented, opinionated, passionate, fiercely inclusive, and responsible group of bees. We have conviction and we strive to live  our values  every day. We want our people to do what they truly love amongst a team of highly talented (but humble) peers.   How We Work We are a fully distributed company, which means we...
Honeycomb
18 Aug, 2026
Senior Site Reliability Engineer
Honeycomb United Kingdom
What We’re Building Honeycomb is a service for the near and present future, defining observability and raising expectations of what developer tools can do! We’re working with well known companies like HelloFresh, Slack, LaunchDarkly, and Vanguard and more across a range of industries. This is an exciting time in our trajectory, we’ve closed Series D funding, scaled past the 200-person mark, and were named to Forbes’ America’s Best Startups of 2022 and 2023!    If you want to see what we’ve been up to, please check out these blog posts and Honeycomb.io press releases .    Who We Are We come for the impact, and stay for the culture! We’re a talented, opinionated, passionate, fiercely inclusive, and responsible group of bees. We have conviction and we strive to live  our values  every day. We want our people to do what they truly love amongst a team of highly talented (but humble) peers.   How We Work We are a fully distributed company, which means we...
Honeycomb
18 Aug, 2026
Senior Solution Architect
Honeycomb United States
What We’re Building Honeycomb is a service for the near and present future, defining observability and raising expectations of what developer tools can do! We’re working with well known companies like HelloFresh, Slack, LaunchDarkly, and Vanguard and more across a range of industries. This is an exciting time in our trajectory, we’ve closed Series D funding, scaled past the 200-person mark, and were named to Forbes’ America’s Best Startups of 2022 and 2023!    If you want to see what we’ve been up to, please check out these blog posts and Honeycomb.io press releases .    Who We Are We come for the impact, and stay for the culture! We’re a talented, opinionated, passionate, fiercely inclusive, and responsible group of bees. We have conviction and we strive to live  our values  every day. We want our people to do what they truly love amongst a team of highly talented (but humble) peers.   How We Work We are a fully distributed company, which means we...
Honeycomb
18 Aug, 2026
Senior Engineering Manager - Enablement
Honeycomb United States
What We’re Building Honeycomb is a service for the near and present future, defining observability and raising expectations of what developer tools can do! We’re working with well known companies like HelloFresh, Slack, LaunchDarkly, and Vanguard and more across a range of industries. This is an exciting time in our trajectory, we’ve closed Series D funding, scaled past the 200-person mark, and were named to Forbes’ America’s Best Startups of 2022 and 2023!    If you want to see what we’ve been up to, please check out these blog posts and Honeycomb.io press releases .    Who We Are We come for the impact, and stay for the culture! We’re a talented, opinionated, passionate, fiercely inclusive, and responsible group of bees. We have conviction and we strive to live  our values  every day. We want our people to do what they truly love amongst a team of highly talented (but humble) peers.   How We Work We are a fully distributed company, which means we...
Honeycomb
18 Aug, 2026
Senior Site Reliability Engineer
Honeycomb Ireland
What We’re Building Honeycomb is a service for the near and present future, defining observability and raising expectations of what developer tools can do! We’re working with well known companies like HelloFresh, Slack, LaunchDarkly, and Vanguard and more across a range of industries. This is an exciting time in our trajectory, we’ve closed Series D funding, scaled past the 200-person mark, and were named to Forbes’ America’s Best Startups of 2022 and 2023!    If you want to see what we’ve been up to, please check out these blog posts and Honeycomb.io press releases .    Who We Are We come for the impact, and stay for the culture! We’re a talented, opinionated, passionate, fiercely inclusive, and responsible group of bees. We have conviction and we strive to live  our values  every day. We want our people to do what they truly love amongst a team of highly talented (but humble) peers.   How We Work We are a fully distributed company, which means we...
Mattermost
18 Aug, 2026
Staff Software Engineer, Testing Infrastructure
Mattermost United States
Mattermost is the leading collaborative workflow platform for defense, intelligence, security, and critical infrastructure. Trusted by the U.S. Department of War and Fortune 500s, our platform runs on-premises and in private clouds, delivering secure messaging, file sharing, workflow automation, audio/screenshare, and project management—all with full data and operational control. Mattermost powers high-stakes workflows across mission planning, real-time, real-world operations, DevSecOps, incident response, and cyber defense—enabling secure collaboration from tactical edge and DDIL environments to enterprise HQ. Teams operate across web, desktop, and mobile, with embedded interoperability for Microsoft Teams, Outlook, and Microsoft 365. To learn more, visit  www.mattermost.com Mattermost is seeking a visionary Staff Software Design Engineer (SDE) in Testing Infrastructure to lead a company-wide transformation of test automation and quality engineering . In this highly...
Mattermost
18 Aug, 2026
Senior Full Stack Engineer
Mattermost Ontario, Canada; Toronto, Ontario, Canada
Mattermost is the leading collaborative workflow platform for defense, intelligence, security, and critical infrastructure. Trusted by the U.S. Department of War and Fortune 500s, our platform runs on-premises and in private clouds, delivering secure messaging, file sharing, workflow automation, audio/screenshare, and project management—all with full data and operational control. Mattermost powers high-stakes workflows across mission planning, real-time, real-world operations, DevSecOps, incident response, and cyber defense—enabling secure collaboration from tactical edge and DDIL environments to enterprise HQ. Teams operate across web, desktop, and mobile, with embedded interoperability for Microsoft Teams, Outlook, and Microsoft 365. To learn more, visit  www.mattermost.com We are seeking a  Senior Full Stack Engineer to help build and scale Mattermost's core web platform for teams operating in defense and critical infrastructure sectors. You will contribute across our...
Mattermost
18 Aug, 2026
Senior Full Stack Engineer
Mattermost United States
Mattermost is the leading collaborative workflow platform for defense, intelligence, security, and critical infrastructure. Trusted by the U.S. Department of War and Fortune 500s, our platform runs on-premises and in private clouds, delivering secure messaging, file sharing, workflow automation, audio/screenshare, and project management—all with full data and operational control. Mattermost powers high-stakes workflows across mission planning, real-time, real-world operations, DevSecOps, incident response, and cyber defense—enabling secure collaboration from tactical edge and DDIL environments to enterprise HQ. Teams operate across web, desktop, and mobile, with embedded interoperability for Microsoft Teams, Outlook, and Microsoft 365. To learn more, visit  www.mattermost.com We are seeking a Senior Full Stack Engineer to help build and scale Mattermost's core web platform for teams operating in defense and critical infrastructure sectors. You will contribute across our...
Mattermost
18 Aug, 2026
Senior React Native Engineer
Mattermost United States
Mattermost is the leading collaborative workflow platform for defense, intelligence, security, and critical infrastructure. Trusted by the U.S. Department of War and Fortune 500s, our platform runs on-premises and in private clouds, delivering secure messaging, file sharing, workflow automation, audio/screenshare, and project management—all with full data and operational control. Mattermost powers high-stakes workflows across mission planning, real-time, real-world operations, DevSecOps, incident response, and cyber defense—enabling secure collaboration from tactical edge and DDIL environments to enterprise HQ. Teams operate across web, desktop, and mobile, with embedded interoperability for Microsoft Teams, Outlook, and Microsoft 365. To learn more, visit  www.mattermost.com We are seeking a Senior React Native Engineer to take ownership of the Mattermost mobile experience for teams working in defense, intelligence, and critical infrastructure. This role sits at the...
Mattermost
18 Aug, 2026
Lead Site Reliability Engineer
Mattermost United States
Mattermost is the leading collaborative workflow platform for defense, intelligence, security, and critical infrastructure. Trusted by the U.S. Department of War and Fortune 500s, our platform runs on-premises and in private clouds, delivering secure messaging, file sharing, workflow automation, audio/screenshare, and project management—all with full data and operational control. Mattermost powers high-stakes workflows across mission planning, real-time, real-world operations, DevSecOps, incident response, and cyber defense—enabling secure collaboration from tactical edge and DDIL environments to enterprise HQ. Teams operate across web, desktop, and mobile, with embedded interoperability for Microsoft Teams, Outlook, and Microsoft 365. To learn more, visit  www.mattermost.com Mattermost  is seeking an experienced and visionary  Lead Site Reliability Engineer (SRE)  to guide the architecture, reliability, and operational excellence of the infrastructure powering our...
Endor Labs
18 Aug, 2026
Member of Technical Staff - Backend
Endor Labs Palo Alto, CA
This role is based in Palo Alto, California, and follows a hybrid work model. If you’re excited about helping build a large-scale SaaS platform at an early-stage company and the qualifications below align with your background, we’d love to connect! About Us Endor Labs is building the Application Security platform for the software development revolution. Modern software is complex and dependency-rich, making it increasingly difficult to pinpoint the risks that truly matter. Endor Labs solves this challenge by building a call graph of your entire software estate—enabling teams to clearly identify, prioritize, and fix critical risks faster.  Trusted by companies that are one or one hundred years old, Endor Labs secures code whether it was written by humans or AI, and whether it's 40-year old C++ code or cutting edge Bazel Monorepos. Endor Labs was founded by serial entrepreneurs Varun Badhwar and Dimitri Stiliadis, and is backed by leading VC firms such as Dell Technology...
Endor Labs
18 Aug, 2026
Principal Backend Software Engineer
Endor Labs Palo Alto, CA
This role is based in Palo Alto, California, and follows a hybrid work model. If you’re excited about helping build a large-scale SaaS platform at an early-stage company and the qualifications below align with your background, we’d love to connect! About Us Endor Labs is building the Application Security platform for the software development revolution. Modern software is complex and dependency-rich, making it increasingly difficult to pinpoint the risks that truly matter. Endor Labs solves this challenge by building a call graph of your entire software estate—enabling teams to clearly identify, prioritize, and fix critical risks faster.  Trusted by companies that are one or one hundred years old, Endor Labs secures code whether it was written by humans or AI, and whether it's 40-year old C++ code or cutting edge Bazel Monorepos. Endor Labs was founded by serial entrepreneurs Varun Badhwar and Dimitri Stiliadis, and is backed by leading VC firms such as Dell Technology...
Endor Labs
18 Aug, 2026
Principal/ Sr Principal Backend Engineer
Endor Labs Bengaluru, India
Who We Are Endor Labs is building the Application Security platform for the software development revolution. Modern software is complex and dependency-rich, making it increasingly difficult to pinpoint the risks that truly matter. Endor Labs solves this challenge by building a call graph of your entire software estate—enabling teams to clearly identify, prioritize, and fix critical risks faster.  Trusted by companies that are one or one hundred years old, Endor Labs secures code whether it was written by humans or AI, and whether it's 40-year old C++ code or cutting edge Bazel Monorepos. Endor Labs was founded by serial entrepreneurs Varun Badhwar and Dimitri Stiliadis, and is backed by leading VC firms such as Dell Technology Capital, Lightspeed, and Sierra Ventures. Sound interesting? Let’s talk if you want to be part of the next big leap in security innovation! How You'll Make an Impact You will play a pivotal role in architecting and building the core backend...
Endor Labs
18 Aug, 2026
Program Analysis Engineer
Endor Labs Palo Alto, CA
About Us Endor Labs is building the Application Security platform for the software development revolution. Modern software is complex and dependency-rich, making it increasingly difficult to pinpoint the risks that truly matter. Endor Labs solves this challenge by building a call graph of your entire software estate—enabling teams to clearly identify, prioritize, and fix critical risks faster.  Trusted by companies that are one or one hundred years old, Endor Labs secures code whether it was written by humans or AI, and whether it's 40-year old C++ code or cutting edge Bazel Monorepos. Endor Labs was founded by serial entrepreneurs Varun Badhwar and Dimitri Stiliadis, and is backed by leading VC firms such as Dell Technology Capital, Lightspeed, and Sierra Ventures. Sound interesting? Let’s talk if you want to be part of the next big leap in security innovation! About the Role We are looking for a Program Analysis Engineer with an interest in program analysis, static...
Endor Labs
18 Aug, 2026
Enterprise Account Executive - Southeast
Endor Labs Atlanta, GA
About Us Endor Labs is building the Application Security platform for the software development revolution. Modern software is complex and dependency-rich, making it increasingly difficult to pinpoint the risks that truly matter. Endor Labs solves this challenge by building a call graph of your entire software estate—enabling teams to clearly identify, prioritize, and fix critical risks faster.  Trusted by companies that are one or one hundred years old, Endor Labs secures code whether it was written by humans or AI, and whether it's 40-year old C++ code or cutting edge Bazel Monorepos. Endor Labs was founded by serial entrepreneurs Varun Badhwar and Dimitri Stiliadis, and is backed by leading VC firms such as Dell Technology Capital, Lightspeed, and Sierra Ventures. Sound interesting? Let’s talk if you want to be part of the next big leap in security innovation! How You’ll Make an Impact We're hiring Enterprise Account Executives to own the full sales cycle—from...
Element
06 Aug, 2026
Full time
Rust Engineer
Element Remote
Who we are Element is a startup comprised of the core team behind Matrix - the leading project for secure, open-source decentralized communication. Our mission is to make messaging as open and accessible as email, giving users control over their own communication and data. The Role We use Rust throughout our stack at Element from our SDK written in Rust through to our core Server technology Synapse. More concretely, you will:- Work on both sides of the API developing the client SDK and contributing to the migration of our server technology. Ensure that Element's next generation of clients and servers are fast, reliable and a joy to use. Work with our passionate and engaged open-source community. We are open to remote applications, though the core team are based in Europe and we would prefer a European (or nearby) timezone. We work in the open, so you can get a great feel for exactly what it would be like to work on Element. Come and say hi to the team in...
  • Home
  • Contact
  • About Us
  • Sponsors
  • Blog
  • In the News
  • Terms & Conditions
  • Privacy Policy
  • Employer
  • Employer Quickstart Guide
  • Post a Job
  • Pricing
  • Sign in
  • Job Seeker
  • Find Jobs
  • Create Resume
  • Sign in
  • LinkedIn
  • Follow us on Mastodon  mastodon
  • Facebook
  • Follow us on Bluesky  Bluesky
© 2026 Powered by Linux New Media USA, LLC