{"id":446989,"url":"https://alion.io/job/lemlist-senior-fullstack-ts-developer-backend-oriented","title":"Senior Fullstack TS Developer (backend-oriented)","company":{"id":172799,"name":"lemlist","domain":"lemlist.com","url":"https://alion.io/company/lemlist","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Ashby","truth_index":{"grade":"A","score":98,"open_postings":10,"ghost_share":0,"stale_share":0.1,"repost_share":0,"time_to_fill_p50_days":47,"computed_at":"2026-10-24T06:02:35Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"board_field","remote_working_hours":null,"hiring_geo_confidence":"inferred","locations":["Bordeaux, France"],"countries":["FR"],"hiring_countries":["FR"],"hiring_countries_total":1,"salary":{"min":60000,"max":75000,"currency":"EUR","period":"year","gross":null,"usd_annual":84235},"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Node JS","optional":false},{"name":"TypeScript","optional":false},{"name":"Agile","optional":true},{"name":"JavaScript","optional":true},{"name":"Notion","optional":true},{"name":"Slack","optional":true}],"status":"live","first_seen_at":"2026-07-09T07:18:26Z","employer_posted_date":"2026-07-09","last_verified_at":"2026-10-25T00:15:55Z","board_verified":true,"closed_at":null,"days_open":107,"trust":{"level":"ok","repost_count":0,"flags":[],"days_open":106},"description":"About us\nlemlist is the sales engagement platform that gives sales teams the unfair advantage they deserve.\nBootstrapped since day one, we’ve grown from 0 to $60M ARR in 8 years, without raising a single dollar. \nToday, we’re a profitable B2B SaaS company valued at $150M+, trusted by 40,000+ sales teams worldwide to book more meetings and close more deals.\nWe're looking for a Senior Fullstack TypeScript Developer to join our team. You'll be responsible for designing and developing new features for our SaaS products. We need someone who is passionate, autonomous, and loves technical challenges. You will be using Node.js a lot.\nYour main missions will be:\nDesign and develop new features from scratch, both on the frontend and backend, Independently developing new features that enhance user experience and increase product functionality.\n\nImprove the code base with refactoring, bug fixes, and optimization\n\nWork on multiple projects simultaneously\n\nHelp the customer support team on technical issues, providing prompt and effective solutions\n\nFacilitating knowledge sharing and capacity building by training fellow developers, enhancing overall team competency and productivity.\n\nKey results\nWithin 3 months you will have\n\nSuccessfully onboarded and integrated into the team\n\nDeveloped a deep understanding of our B2B SaaS products and their technical requirements\n\nContributed to the development of new features and improvements to our existing code base\n\nWithin 12 months you will have\n\nPlayed a key role in the development and delivery of multiple successful projects\n\nMade significant contributions to the optimization and scalability of our software products\n\nWhat’s in it for you?\n\nWork in a profitable, bootstrapped, and high-growth company that doesn’t rely on external funding to live.\n\nYou will have the opportunity to make a lasting impact on a suite of products that are changing the game in multiple industries.\n\nWork with passionate senior engineers who share their knowledge and expertise\n\nGreat ownership of your work. You will be part of a dynamic, innovative, and passionate team that respects autonomy and encourages individual input.\n\nNo endless meetings\n\nFull remote policy\n\nYou will grow professionally and personally, enhancing your technical skills and expanding your global network.\n\nPreferred experience\nMust have\n\nYou’re an expert in TypeScript / Javascript with at least 5 years of XP\n\nYou have a proven track record in building and maintaining web applications.\n\nYou have a robust understanding of NodeJS and MongoDB\n\nYou’re able to work independently and take ownership of complex projects\n\nYou’re a fast learner\n\nYou’re comfortable with the agile methodologies\n\nYou like to communicate\n\nYou like to work remotely, Gather, Slack and Notion are your best friends\n\nYou are adaptable and like to discover new things and you can work on front-end integration, back-end development, mongo optimization, customer support, and more\n\nYou speak French and English and you are in the French timezone\n\nNice to have\n\nYou have a first experience in B2B SaaS startup\n\nYou are self-taught, you have been developing personal projects since you were a child or in the evenings and weekends. This is not mandatory but a big plus for us, we are all passionate about programming and like to create things, both at work and outside\n\nAdditional Information\nSalary between 60K€ and 75K€ fixed salary + 18K€ bonus\n\nWhere you live, and work is totally up to you - we just want you to be in a timezone close to ours (France +/- 3 hours)\n\nProfit sharing: When lempire wins, all team members share the profits\n\nAlan Blue: Comprehensive 100% premium medical coverage for you and your family\n\nSwile Meal Tickets: Enjoy daily meal tickets to fuel productivity\n\nNavigo Card: Seamless commuting with a 100% covered Navigo card\n\nFull-remote Work Setup: A well-funded home office budget to ensure seamless remote work\n\nGear: Get a Macbook Pro + tools and equipment you need for your job\n\nTeam building: We all meet once per year at really cool places around the world (you can check our video here ;)\n\nRecruitment process\nInterview with Lucas our TAM\n\nTechnical interview with Corentin, our VP of Engineering\n\nTechnical Interview with Mickael, our CTO\n\nInterview with Charles, our CEO","description_format":"text","description_chars":4287,"description_truncated":false,"requirements":{"experience_years_min":5,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[{"language":"French","level":"All levels","optional":false}]},"benefits":["Apple Macbook","Home office"],"hiring_locations":[{"name":"France","iso":"FR","kind":"country"},{"name":"Bordeaux","iso":null,"kind":"city"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Artificial Intelligence","Autonomous Driving","AI Agents"],"lifecycle":[{"event":"open","at":"2026-09-06T07:51:31Z"}],"visa":[],"liveness":{"score":16,"band":"cold","label":"Long shot","p_open":1,"p_active":0.579,"p_room":0.28,"age_days":106,"expected_fill_days":47,"reasons":["conf:0","win:tail","crowd:"],"computed_at":"2026-10-24T06:02:35Z"},"pay":{"stated_usd_annual":84235,"is_top_pay":false},"html_url":"https://alion.io/job/lemlist-senior-fullstack-ts-developer-backend-oriented","json_url":"https://alion.io/job/lemlist-senior-fullstack-ts-developer-backend-oriented.json","meta":{"generated_at":"2026-10-25T01:04:45Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"search","counted_by":"address","units_charged":0,"used_today":0,"day_limit":null,"remaining_today":null,"minute_limit":null,"resets_at":"2026-10-26T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":172799},"rest":"https://alion.io/mcp/rest/get_company?id=172799"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Flemlist-senior-fullstack-ts-developer-backend-oriented"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Flemlist-senior-fullstack-ts-developer-backend-oriented"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Flemlist-senior-fullstack-ts-developer-backend-oriented"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/lemlist-senior-fullstack-ts-developer-backend-oriented\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Flemlist-senior-fullstack-ts-developer-backend-oriented"}]}