The best place to find engineering work at an open-source company! 🥳
Fossfox indexes companies that create open-source products*. All of the companies below are looking for talent to join their engineering teams ↓
* or source-available
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- Yes. Posting engineering jobs is free.
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- Leadership
- Full-Stack
- DevOps
- Frontend
- Backend
- Mobile
- Machine Learning
- Blockchain
- Security
- Embedded
- Desktop
👔 Leadership Jobs
A leadership role involves directing and inspiring a team to achieve project goals, fostering collaboration, and making strategic decisions to ensure the team's success.
| Company | Hiring | Tech | 💵 | |
|---|---|---|---|---|
| OneUptime | Staff Engineer | Postgres, ClickHouse, Redis, … | $220k-275k/yr, 0.5-1% | ↗ |
| Pulumi | Principal Engineer | AWS, GCP, K8s, … | $181k-228k/yr | ↗ |
| dYdX | Staff Engineer | Kafka, TypeScript, Docker, … | $210k-320k/yr | ↗ |
⚒️ Full-Stack Jobs
Full-stack work involves working on both the frontend and backend of applications, handling everything from user interface design to server-side logic and database management to create complete, functional software systems.
| Company | Hiring | Tech | 💵 | |
|---|---|---|---|---|
| OneUptime | Sr Software Dev | Postgres, Tailwind CSS, React, … | $200k-250k/yr, 0.1-0.5% | ↗ |
| Anyscale | Software Engineer | C++, Python, Spark | $170k-237k/yr | ↗ |
| Ploomber | Sr Full-Stack Dev | Java, JS, Docker, … | $130k-170k/yr, 0.5% | ↗ |
| Sentry | Sr Software Dev | Postgres, Python, Kafka, … | $80k-220k/yr | ↗ |
| Cal.com | Sr Full-Stack Dev | AWS, JS, TypeScript | $120k/yr | ↗ |
| Lightdash | Sr Full-Stack Dev | GCP, React, Docker, … | £65k-110k/yr, 0.2-0.4% | ↗ |
| Coder | Sr Software Dev | C++, K8s, EC2, … | $140k-180k/yr, 0.04-0.08% | ↗ |
| Airbyte | Sr Software Dev | Java, Python, Kotlin, … | $210k-250k/yr | ↗ |
| Baserow | Sr Full-Stack Dev | Python, Postgres, Nginx, … | €4k-7k/mo | ↗ |
| Kong | Sr Software Dev | K8s, LuaJIT, Datadog, … | $112k-145k/yr | ↗ |
| Uniswap Labs | Sr Software Dev | DynamoDB, AWS, Docker, … | $210k-240k/yr | ↗ |
| BoxyHQ | Sr Software Dev | Go, JS | - | ↗ |
| Hanko | Sr Full-Stack Dev | Next.js, Nuxt, SvelteKit, … | - | ↗ |
| Canonical | Software Engineer | Python, Go | - | ↗ |
| Heroic Labs | Software Engineer | C#, Go, TypeScript, … | - | ↗ |
| Medplum | Full-Stack Dev | AWS, GCP, Azure, … | - | ↗ |
| Upbound | Sr Software Dev | Go, K8s | - | ↗ |
| CloudQuery | Sr Software Dev | Go, AWS, GCP, … | - | ↗ |
| Highlight | Full-Stack Dev | TypeScript, Go | - | ↗ |
| QuestDB | Core Engineer | C, Java, C++ | - | ↗ |
| Comma | Sr Software Dev | C++, Rust, C, … | - | ↗ |
| Matomo | Full-Stack Dev | JS, PHP | - | ↗ |
🔧 DevOps Jobs
DevOps work involves streamlining and automating the software delivery pipeline, fostering collaboration between development and IT operations, and maintaining the reliability and scalability of applications in production environments.
| Company | Hiring | Tech | 💵 | |
|---|---|---|---|---|
| OneUptime | Sr DevOps Engineer | Docker, K8s, Helm | $180k-220k/yr, 0.1-0.5% | ↗ |
| Clickhouse | Sr Cloud Software Dev | AWS, GCP, Azure, … | $115k-232k/yr | ↗ |
| Genie | DevOps Engineer | Terraform, S3, Route 53, … | 0.5-1% | ↗ |
| Automattic | Sr SysAdmin | PHP, MariaDB, Hadoop, … | - | ↗ |
| Gitlab | Sr SRE | Terraform, Ansible, Chef, … | - | ↗ |
| Metabase | Sr DevOps Engineer | AWS, RDS, Grafana, … | - | ↗ |
| Ghost | Infra Engineer | Node.js, Nginx, Docker, … | - | ↗ |
| ClearML | DevOps Engineer | Docker, Python, Azure, … | - | ↗ |
| Oven | Runtime Engineer | TypeScript, C++, Zig, … | - | ↗ |
🛍 Frontend Jobs
Frontend work involves designing and implementing the user interface of a web application to create a visually appealing and user-friendly experience using frameworks like React, Angular, and Svelte.
| Company | Hiring | Tech | 💵 | |
|---|---|---|---|---|
| Svix | Frontend Engineer | TypeScript, React | $120k-150k/yr | ↗ |
| Gradle | Sr Frontend Dev | React, JS | - | ↗ |
| Gitlab | Sr Frontend Dev | Vue.js, JS, GraphQL, … | - | ↗ |
| Trezor | Sr React Engineer | React, TypeScript, Electron | - | ↗ |
| Bluesky | TypeScript Dev | TypeScript, Postgres, React, … | - | ↗ |
| ClearML | Sr Frontend Dev | Angular | - | ↗ |
⚙️ Backend Jobs
Backend work involves building and maintaining the server-side logic, databases, and infrastructure that enable the functioning and data management of web or mobile applications.
| Company | Hiring | Tech | 💵 | |
|---|---|---|---|---|
| Firezone | Sr Rust Engineer | Rust | $120k-170k/yr, 0.5-2% | ↗ |
| Svix | Rust Engineer | Rust | $130k-160k/yr | ↗ |
| Instill AI | Sr Backend Dev | GCP, Docker, Go, … | £55k-75k/yr, 0.02-0.05% | ↗ |
| Uniswap Labs | Sr Backend Dev | Azure, Rust, Go, … | $180k-220k/yr | ↗ |
| Carto | Sr Backend Dev | Node.js, TypeScript, Redshift, … | - | ↗ |
| Nango | Sr Backend Dev | TypeScript, JS, Node.js | - | ↗ |
| Offchain Labs | Rust Engineer | Rust, Ethereum | - | ↗ |
| Chatwoot | Ruby Engineer | Ruby, Ruby on Rails | - | ↗ |
| Nebuly | Backend Engineer | Docker, AWS, RabbitMQ, … | - | ↗ |
| Arduino | Sr Backend Dev | C++, AWS, Go | - | ↗ |
| Metabase | Backend Engineer | Java, TypeScript, Clojure, … | - | ↗ |
| Rotki | Python Engineer | Ethereum, Python | - | ↗ |
📱 Mobile Jobs
Mobile work involves creating and optimizing applications specifically for mobile devices, using programming languages and frameworks like Java or Kotlin for Android and Swift or Objective-C for iOS.
| Company | Hiring | Tech | 💵 | |
|---|---|---|---|---|
| Signal | Android Engineer | Java | $160k-260k/yr | ↗ |
👾 Machine Learning Jobs
Machine learning work involves designing, training, and deploying models that can analyze data, recognize patterns, and make predictions or decisions, often using techniques like supervised learning, deep learning, or reinforcement learning.
| Company | Hiring | Tech | 💵 | |
|---|---|---|---|---|
| Hugging Face | ML Engineer | PyTorch, Python, JAX, … | - | ↗ |
| CrowdSec | Sr Data Engineer | Neo4j, Terraform, Kafka, … | - | ↗ |
⛓️ Blockchain Jobs
Blockchain work involves developing and maintaining decentralized digital ledgers using cryptographic techniques and consensus algorithms to ensure secure and transparent recording of transactions across a distributed network.
| Company | Hiring | Tech | 💵 | |
|---|---|---|---|---|
| Uniswap Labs | Sr Smart Contract Dev | Ethereum, Solidity | $210k-240k/yr | ↗ |
| Textile | Protocol Engineer | TypeScript, Rust, Solidity, … | - | ↗ |
| Massa Labs | Sr Blockchain Dev | Ethereum, Rust, Bitcoin | - | ↗ |
| OP Labs | Sr Protocol Dev | Ethereum, Solidity, Go, … | - | ↗ |
🛡 Security Jobs
Security work entails identifying, assessing, and mitigating vulnerabilities and risks within software systems to protect against unauthorized access, data breaches, and cyberattacks.
| Company | Hiring | Tech | 💵 | |
|---|---|---|---|---|
| Lightning Labs | Sr Security Dev | Go, Rust, K8s, … | - | ↗ |
🥽 Embedded Jobs
Embedded work involves designing and programming software to run on specialized hardware, often with limited resources, to control and operate various devices and systems.
| Company | Hiring | Tech | 💵 | |
|---|---|---|---|---|
| Flow | Sr Compiler Dev | Go, Clojure, C, … | - | ↗ |
| Formance | Compiler Engineer | Go | - | ↗ |
🖥 Desktop Jobs
Desktop work involves developing software applications that are installed and run on individual computers, typically Windows, macOS, or Linux operating systems.
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