Tengo is looking for a Backend Engineer.
🦋 We are Tengo
Know more about Tengo in 4 min on BFM 👇
French Tech : Tengo - 01/07
✅Green flags
You’ve built many things before — whether it succeeded or failed, you learned from it.You think like a founder. You don’t just solve tickets—you find problems and fix them.Speed > perfection. We move absurdly fast. Ship. Be scrapy. Learn. Repeat.You care more about user issues than technical issues. Everybody participate in user calls at Tengo.You use AI tools to ship faster. Claude Code, Cursor Agents, or similar — you've built real things with them and you have opinions about when they help vs when they get in the way.No babysitting. If you need detailed specs and guardrails, this isn’t for you. We hire people who figure things out while building it.Smile every morning because work is fun and colleagues are fun.Feedback is a gift, there is so much to learn from great peers.Transparency isn’t optional. Sharing wins, mistakes, and half-baked ideas without hiding or ego. It build trust and foster real collaborationYou’re cool with getting your hands dirty on a topic that isn’t sexy (you might even find tenders are fun someday)Discover more about us at ‣
🏗 What You’ll Do
Tengo helps companies win public tenders. Our product handles millions of documents, generates hundreds of pages of relevant content, and is used daily as a productivity tool by major companies. Your playground:
AI-assisted bid response generation — our core challenge: orchestrate AI agents to produce relevant, structured proposals (aka 100-page word documents) from a company's knowledge base. You'll work on prompt engineering, evaluation pipelines, and the UX that lets users collaborate with an AI writer.Data & retrieval infrastructure — Retrieval workflow, document ingestion & tagging, search & ranking across large corpora. We also aggregate thousand of sources and need to build the pipelines for it.A productivity app people actually use daily — complex UX interactions like chat streaming text, collaborative editing, drag & drop, document previews. The bar is high: we aim to build a product users are genuinely proud to rely on every day—clear, fast, and delightful at scale.1 and 2 will be your primary area of work as backend ;-)
Tech Stack
You don't tick all the boxes? Don't worry, none of us did !
Backend: Typescript, Nest.JS, PostgreSQL, ElasticSearchFrontend: React, Mantine, Tanstack QueryInfra: Heroku, Github, AWSAI : OpenAI, Anthropic, BraintrustInternal Tooling: Claude code, Notion, Slack, Figma, CursorTech Philosophy at Tengo
Want to grasp the tech spirit at Tengo in 3 min ? Open to watch the videos below 👇Ps : it’s from early 2025, tech topics changed a lot since 😉
⚙️ Process
Interview with Yoann (CTO) to discuss the role & understand your previous experiences (45 min - Google Meet)Case (2h to prepare at home) & Technical interview (1h30 - in person) with Yoann (CTO) & a software engineer of the teamInterview with Hugues, CEO (45 min - in person) + meet other team members (20 min informal coffee)Cross-referenced checks:You speak to 2 people we’ve worked with (customers, investors, Hexa members…)We speak to 2 of your previous managers you introduced🎁 Benefits
💰 Equity package (BSPCE) for every employee
📍 Lovely offices in Paris (75008)
🏡 We are remote-friendly, although this is not a full-time remote position. We think in-person collaboration reinforces team spirit and foster quick iterations, which is essential for an early stage startup. Rule of thumb is at least 2 days / week in the office (3 during onboarding).
Tengo is committed to creating a diverse environment. All qualified applicants will receive consideration for employment irrespective of gender, origins, identity, background and orientations.
We are aware there’s a long way to go regarding diversity in our industry, which is why we encourage all applicants to apply to our open positions.
Click here to apply
