Helsinki
Est. expiry Jul 14
Last seen Oct 4
Posted Jun 9 · 117 days ago
Open 117 days, longer than the usual 41 for this role
Senior Fullstack Engineer
Fullstack Engineer
At a glance
Senior fullstack engineer at Siena; ownership, global async team, remote.
Original job descriptionJob description
MEET SIENA SIENA is the Agent of Record for CX, built for consumer brands like Spanx, FIGS, Brooklinen, and Grüns. The team is distributed globally, shipping high-impact systems. Role-focused: own features across full stack, make architectural calls, ship reliable systems, and collaborate with product. Requirements include 5+ years shipping live production systems, strong stack knowledge (Node.js, React, TypeScript, Express), experience with LLM-powered features, AWS, PostgreSQL, Redis, CI/CD, microservices; nice-to-have Next.js, IaC, Python, event-driven architecture, CX background. Remote work with a global team; great salary and learning budget. Our values emphasize ownership, fast delivery, and honest feedback. Access to AI tools and a culture that values autonomy.
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
Node.jsReactTypeScriptExpressAWSPostgreSQLRedisCI/CDMicroservicesLLMNext.jsTerraform/CDKPython
How this salary compares
Estimated €2,898 - €3,481Est. take-home €2,312 - €2,642
Estimated from 4,274 comparable listings
59% below senior roles
€2,898€7,750 median€9,000
| Market | Lower bound (25th percentile) | Median | Upper bound (75th percentile) |
|---|---|---|---|
| senior roles | €6,500 per month | €7,750 per month | €9,000 per month |
| This offer | €2,898 per month | €3,190 per month | €3,481 per month |
Responsibilities
- Own features and systems across the full stack (frontend, backend, infrastructure)
- Partner with product to break down ambiguous scope and ship iteratively
- Make architectural decisions and explain the reasoning
- Integrate cutting-edge language models into workflows
- Solve API performance and microservices scaling
- Maintain AWS infrastructure with DevOps mindset
- Share knowledge and mentor teammates
Requirements
- 5+ years shipping and owning systems that are live in production
- Strong in Node.js, React, TypeScript, Express
- LLM-powered features experience
- AWS (Fargate, Lambda, EC2, SQS), PostgreSQL, Redis
- CI/CD pipelines (CodePipeline, GitHub Actions)
- Experience with microservices and scalable systems
Siena AI · 8 open roles
Top locations (all time): Remote - Europe · 6 · Chicago · 2 · London · 2 · +17 other locations
| Location | Active listings |
|---|---|
| Remote - Europe | 6 |
| Chicago | 2 |
| London | 2 |
| New York | 2 |
| Montreal | 1 |
| Buenos Aires, Argentina | 1 |
| Boston | 1 |
| United Kingdom | 1 |
| Lisbon | 1 |
| London, United Kingdom | 1 |
| Riga, Latvia | 1 |
| Toronto | 1 |
| Tallinn, Estonia | 1 |
| Atlanta | 1 |
| Bucharest | 1 |
| Helsinki, Finland | 1 |
| Kitchener-Waterloo | 1 |
| Sao Paulo, Brazil | 1 |
| Romania | 1 |
| Austin | 1 |
| Role type | Active listings |
|---|---|
| Content Strategist | 1 |
| Creative Director | 1 |
| Product Specialist | 1 |
| Strategic Account Manager | 1 |
| Education & Community | 1 |
| Product Manager | 1 |
| Engineering Manager | 1 |
| Role level | Active listings |
|---|---|
| Executive | 3 |
| Manager | 2 |
| Mid-Level | 2 |
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