Modern software runs on open source — and managing the compliance, security, and regulatory complexity that comes with it is one of the biggest problems facing engineering and legal teams today. FOSSA is the platform they use to address these challenges. We help thousands of organizations automate license compliance, prioritize vulnerabilities, generate and operationalize SBOMs, and meet regulatory requirements. Whether it's scanning AI-generated code for IP risks or helping a company through M&A due diligence, FOSSA gives teams the confidence to ship software they trust.
FOSSA is a rapidly growing series-B company with a truly distributed team. While our roots are in San Francisco, our growing team has members in several countries across many time zones. We’re always working to find the perfect balance of effective approaches to distributed work, while maintaining the direct personal connections that help us work better together and love our jobs.
As a senior software engineer on our team, you'll be working closely with the whole company to bring features from ideation to implementation. Your participation will have a significant impact on our company roadmap, and you'll be able to see the outsized impact that your work has on our revenue. Your day-to-day will be largely determined by what you want to work on: in a team of our size, our engineering team also helps own our product, customer success, and growth functions.
In this role you will:- Work closely with the whole company to plan, design, build, and refine core product features.
- Own user-impacting features from conception to completion.
- Have significant ownership in our technical architecture and product roadmap.
- Work in a variety of languages including Rust, Go, Typescript, and Haskell.
- Experience building and supporting scalable SaaS products and features.
- Experience as a full-stack software engineer owning and building features end-to-end.
- Experience with relational databases and writing performant SQL queries.
- Ability to break down complex problems, drive towards a solution, and communicate it with the team and other stakeholders (both verbally and written).
- Experience with AI coding tools in production environments.
- You thrive in an environment that prefers prototypes over proposals.
- Proactive in sharing ideas and informed opinions with others
- Attention to detail and quality to anticipate edge cases ahead of time
- A growth mindset and willingness to learn new things
- You have 3+ years of experience working as a backend engineer.
- Willingness to take part in an on-call rotation.
- Ability to mentor and be mentored by others.
- Experience with observability tooling
Why you'll love working at FOSSA:
- Amazing team culture and environment
- Named by Built In as Best Start-up to work for 2024, 2025 and 2026
- Competitive salary and equity package
- Unlimited PTO
FOSSA is an equal-opportunity employer. All applicants will be considered for employment without attention to race, color, religion, sex, sexual orientation, gender identity, national origin, veteran or disability status.
The annual cash compensation range for this position is $120,000 - $200,000 CAD. Final compensation will be determined based on experience and skills and may vary from the range listed.
Skills Required
- 3+ years of experience working as a backend engineer.
- Experience building and supporting scalable SaaS products and features.
- Experience as a full-stack software engineer owning and building features end-to-end.
- Experience with relational databases and writing performant SQL queries.
- Experience working in languages such as Rust, Go, TypeScript, and Haskell.
- Experience with observability tooling.
- Experience with AI coding tools in production environments.
- Willingness to take part in an on-call rotation.
- Ability to break down complex problems and communicate solutions verbally and in writing.
- Ability to mentor and be mentored by others.
- Attention to detail, proactive sharing of ideas, and a growth mindset.
FOSSA Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about FOSSA and has not been reviewed or approved by FOSSA.
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Healthcare Strength — Health coverage is described as fully employer-paid for employees with substantial support for dependents, complemented by dental/vision and access to One Medical, Talkspace, Teladoc, and Health Advocate. This signals robust core medical benefits with strong mental and virtual care add-ons.
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Leave & Time Off Breadth — Time off includes unlimited PTO, paid holidays, and designated mental health days. Paid parental leave of 12 weeks for full-time employees further expands time-away support.
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Wellbeing & Lifestyle Benefits — A remote-first setup is supported by a home-office stipend, a monthly WFH stipend, commuter benefits where applicable, and company gatherings such as an annual offsite. These benefits enhance day-to-day flexibility and overall lifestyle support.
FOSSA Insights
What We Do
Open Source has become the critical supplier for modern software companies, changing everything about how people think about their code. FOSSA builds the infrastructure for modern teams to be successful with open source. FOSSA's flagship product helps teams track the open source used in their code and automate license scanning and compliance. Since then, over 7,000 open source projects (Kubernetes, Webpack, Terraform, ESLint) and companies (Uber, Ford, Zendesk, Motorola) rely on FOSSA's tools to ship software. If you are in the software industry today, you're now using code that runs FOSSA. FOSSA is a venture funded company backed by Costanoa Ventures, Bain Capital Ventures, etc. with affiliate angels including Marc Benioff (Salesforce), Steve Chen (YouTube), Amr Awadallah (Cloudera), Jaan Tallin (Skype) and Justin Mateen (Tinder).
Why Work With Us
We foster a low-ego environment that allows all employees to drive meaningful change. We are honest with each other and trust that we have the maturity to always seek the truth. We cultivate strong relationships with our customers and each other through integrity and accountability.
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