{"id":870003,"url":"https://alion.io/job/interstellarlab-mid-level-full-stack-developer","title":"Mid-level Full Stack Developer","company":{"id":679191,"name":"Interstellarlab","domain":"interstellarlab.com","url":"https://alion.io/company/interstellarlab","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"B","score":75,"open_postings":8,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-10-04T05:45:00Z"}},"role":"Backend","role_family":"Backend","seniority":"middle","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Paris, France"],"countries":["FR"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":47000,"max_usd":90000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":19},"experience_years_min":3,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AI Agents","optional":false},{"name":"AWS","optional":false},{"name":"Docker","optional":false},{"name":"FastAPI","optional":false},{"name":"Python","optional":false},{"name":"React.js","optional":false},{"name":"JavaScript","optional":true}],"status":"live","first_seen_at":"2025-10-14T16:52:42Z","employer_posted_date":"2026-02-12","last_verified_at":"2026-10-05T02:37:20Z","board_verified":true,"closed_at":null,"days_open":355,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":354},"description":"Mid-level Full Stack Developer\nFull-time\nIn-person\nAt Interstellar Lab, our mission is to build a future full of life, on Earth and beyond.\nWe believe in a world where technology enables humans to live in harmony with nature, where biodiversity thrives and expands, and where terrestrial life becomes multi-planetary.\nTo build this future, we design autonomous biospheric systems to grow plants with precision, on Earth and in Space. Our AI-powered BioPods and BioCapsules leverage biosciences to reproduce and optimize growth conditions for a wide variety of high-value plants.\nOn Earth, we pioneer molecular and biofarming, boosting the production of metabolites and bioactive compounds while offering sustainable, traceable, and high-quality natural ingredients to the beauty, fragrance, pharmaceutical, and nutraceutical industries.\nIn space, we collaborate with agencies and private companies to develop biofarming units that advance life science research in microgravity and lay the foundation for future biofactories in space, enabling innovative terrestrial applications and long-duration space missions.\nAbout the Role\nAs Mid-level Full Stack Developer at Interstellar Lab, you will design, build, and scale the digital backbone of our biospheric systems. You will develop backend and automation services, contribute to our React-based BioApp, and integrate emerging AI capabilities into our products. You will work closely with engineers, scientists, and designers to connect devices, data, and interfaces seamlessly.\nResponsibilities\nDevelop and maintain backend services and APIs in Python (FastAPI)\nContribute to frontend applications in React, ensuring smooth feature integration\nConnect sensors, devices, and automation layers across our digital ecosystem\nIntegrate AI and agentic features to enhance functionality and autonomy\nEnsure scalability, robustness, and reliability of digital infrastructures\nCollaborate with engineers and designers on architecture and implementation\nWrite and maintain technical documentation and clean, maintainable code\nTest, troubleshoot, and iterate rapidly within a fast-paced environment\nProfile / Qualifications\n3-6 years of experience in full-stack development\nProficiency in Python (FastAPI) and modern backend frameworks\nSolid experience with React and frontend development principles\nWorking knowledge of Docker and containerized environments\nFamiliarity with AWS or equivalent cloud platforms\nInterest in AI APIs, automation, and connected systems\nStrong problem-solving and communication skills within multidisciplinary teams\nFluent in English, French is a plus\nEqual Opportunity\nInterstellar Lab is proud to be an equal opportunity employer. Interstellar Lab does not discriminate on the basis of race, regional color, national origin, gender (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, gender expression, age, status as a protected veteran, status as an individual with disability, or other applicable legally protected characteristics.","description_format":"text","description_chars":3054,"description_truncated":false,"requirements":{"experience_years_min":3,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[{"language":"French","level":"Advanced (C1)","optional":true},{"language":"English","level":"Advanced (C1)","optional":false}]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Agricultural Biotechnology"],"lifecycle":[{"event":"open","at":"2026-09-13T16:14:18Z"},{"event":"open","at":"2026-09-26T06:50:46Z"}],"visa":[],"liveness":{"score":6,"band":"cold","label":"Long shot","p_open":1,"p_active":0.224,"p_room":0.28,"age_days":354,"expected_fill_days":37,"reasons":["conf:1","win:tail","crowd:"],"computed_at":"2026-10-04T05:45:00Z"},"pay":null,"html_url":"https://alion.io/job/interstellarlab-mid-level-full-stack-developer","json_url":"https://alion.io/job/interstellarlab-mid-level-full-stack-developer.json","meta":{"generated_at":"2026-10-05T03:21:30Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","usage":{"tier":"crawler","counted_by":"address","units_charged":1,"used_today":4498,"day_limit":5000,"remaining_today":502,"minute_limit":60,"resets_at":"2026-10-06T00:00:00Z"}}}