Helsinki
Est. expiry Nov 8
Last seen Oct 4
Posted Oct 4 · 1 day ago
Open 1 day. This role usually stays open about 30 days
Staff Software Engineer
Software Engineer
At a glance
Staff Software Engineer for Web Application Services (Thunderbird); fully remote in US/Canada; senior IC with architecture focus.
Original job descriptionJob description
Lead the technical architecture of new Services products, write code and prototypes, establish software patterns, evolve analytics/infrastructure, mentor engineers, and collaborate across Mozilla/Thunderbird teams. Requires 10+ years of web software development, expert-level JavaScript and proficiency in another language, experience with front-end frameworks and full-stack/API development, strong documentation and testing practices, and willingness to travel. This is a fully remote, full-time role with compensation benchmarks by US/Canada markets and a comprehensive benefits package.
The text above is the employer's original job description, extracted as written. Other details on this page, like salary, responsibilities, and requirements, are interpreted from that text by our system, not values the employer explicitly confirmed, so treat them as our best interpretation rather than verified facts.
Skills & Technologies
JavaScriptPython/Rust/Go/C++ (one)Front-end FrameworksFull-stack DevelopmentAPI DevelopmentCode Review
Benefits & Perks
Flexible Working HoursStock Options / RSUFully Remote WorkLaptop ProvidedAnnual Bonus ProgramMonthly Remote Work StipendAnnual Professional Development StipendCoursera AccessIndustry ConferencesCompany All-handsWellbeing Stipend QuarterlyBirthday And HolidaysWellbeing DaysPaid Parental LeavePaid Sick Days9 weeks vacation
How this salary compares
€13,145 - €15,701
78% above senior roles
€4,840€6,750 median€17,917
| Market | Lower bound (25th percentile) | Median | Upper bound (75th percentile) |
|---|---|---|---|
| senior roles | €5,000 per month | €6,750 per month | €9,000 per month |
| This offer | €15,000 per month | €16,458 per month | €17,917 per month |
Responsibilities
- Lead the technical architecture of new Services products
- Write code, build prototypes and experiments
- Establish software patterns and make technical decisions
- Build and evolve analytics and infrastructure
- Mentor other engineers through code reviews and documentation
- Collaborate across Thunderbird and Mozilla teams
Requirements
- 10+ years of web software development experience
- Expert-level JavaScript
- Proficiency in another language (Python, Rust, Go, or C++)
- Experience with front-end frameworks, full-stack development, and/or API development
- Strong documentation and testing practices
- Willingness to travel periodically
- Excellent English communication
Mozilla · 5 open roles
Top locations (all time): Remote - Finland · 65 · Remote - Germany · 63 · Remote - Netherlands · 61 · +13 other locations
| Location | Active listings |
|---|---|
| Remote - Finland | 65 |
| Remote - Germany | 63 |
| Remote - Netherlands | 61 |
| Remote - Sweden | 61 |
| Remote - Belgium | 60 |
| Remote - Spain | 59 |
| Remote - Global | 59 |
| Remote - UK | 59 |
| Remote - France | 58 |
| Remote - Canada | 45 |
| Remote - Poland | 41 |
| Remote - US | 22 |
| Remote - Denmark | 6 |
| Remote - New Zealand | 5 |
| Remote - Australia | 5 |
| Remote - United Kingdom | 1 |
| Role type | Active listings |
|---|---|
| Software Engineer | 63 |
| Product Manager | 7 |
| Senior Software Engineer | 5 |
| Security Engineer | 5 |
| Machine Learning Engineer | 4 |
| Executive Assistant | 3 |
| Localization Technical Program Manager | 2 |
| Program Manager | 2 |
| Solutions Engineer | 2 |
| Site Reliability Engineer | 2 |
| Marketing Data Scientist | 1 |
| Head of Global and Strategic Intelligence | 1 |
| iOS Engineer | 1 |
| Fundraising Strategist | 1 |
| Software Test Engineering | 1 |
| Integrated Marketing Consultant | 1 |
| Creative Producer | 1 |
| Marketing Specialist | 1 |
| Social Media & Content Strategist | 1 |
| Senior Engineering Manager | 1 |
| Senior Staff Product Manager | 1 |
| Frontend Engineer | 1 |
| Privacy Counsel | 1 |
| Data Scientist | 1 |
| Engineer | 1 |
| AI & Agentic Systems Engineer | 1 |
| Grassroots Engagement Director | 1 |
| Business Development Manager | 1 |
| Quantitative User Researcher | 1 |
| Application Engineer | 1 |
| Strategic Finance and Investment Strategy | 1 |
| Public Policy & Government Relations Manager | 1 |
| Operations Engineer | 1 |
| Product Director | 1 |
| Web Apps Manager | 1 |
| Test Engineering Manager | 1 |
| Mobile Product Manager | 1 |
| Security Student Worker | 1 |
| Strategic Account Executive | 1 |
| Role level | Active listings |
|---|---|
| Senior | 69 |
| Mid-Level | 40 |
| Manager | 9 |
| Director | 6 |
Core values
Diversity and inclusionTransparencyUser-first mindset
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