{"id":2664023,"url":"https://alion.io/job/global-placement-firm-senior-software-engineer-full-stack-3","title":"Senior Software Engineer, Full Stack","company":{"id":4423659,"name":"Global Placement Firm","domain":"globalplacementfirm.com","url":"https://alion.io/company/globalplacementfirm","size_band":null,"is_staffing_agency":true,"employer_type":"agency","is_intermediary":false,"listed_via":null,"ats_vendor":"Manatal","truth_index":null},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["San Francisco, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":180000,"max":275000,"currency":"USD","period":"year","gross":null,"usd_annual":275000},"salary_estimate":null,"experience_years_min":4,"visa_sponsorship":false,"relocation_package":false,"has_equity":true,"technologies":[{"name":"AI Agents","optional":false},{"name":"JavaScript","optional":false},{"name":"Node JS","optional":false},{"name":"React.js","optional":false},{"name":"SQL","optional":false},{"name":"TypeScript","optional":false},{"name":"WhatsApp","optional":false}],"status":"live","first_seen_at":"2026-10-16T01:48:56Z","employer_posted_date":"2026-10-16","last_verified_at":"2026-10-18T02:47:49Z","board_verified":true,"closed_at":null,"days_open":2,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":2},"description":"Senior Software Engineer, Full Stack - Fintech\n**San Francisco, CA On-Site**\nGPF Staffing is recruiting a Senior Full Stack Software Engineer for a rapidly growing, $100 million-funded fintech company building a next-generation neobank and merchant platform serving Mexico's underserved consumer and small-business markets.\nThis is an opportunity for an experienced, product-minded engineer to join as one of the first engineering hires in San Francisco. You'll have significant ownership over greenfield products, working across digital banking, merchant operations, payments, lending, and AI-powered consumer financial services.\nThe company is developing a comprehensive Merchant OS that integrates payroll, point-of-sale systems, inventory management, and financial services, alongside an AI-powered WhatsApp financial assistant designed to make banking more accessible.\nYou'll work closely with a small engineering and product team to build scalable financial technology products from the ground up while helping establish the technical foundation for the company's continued growth.\nWhat You'll Do\nBuild and own full-stack features end-to-end, from user interfaces and backend architecture through testing, deployment, and production.\nDesign and develop scalable services supporting high transaction volumes across lending, payments, pay-ins, payouts, and financial ledger systems.\nBuild core banking and merchant-facing applications designed to support thousands of small and medium-sized businesses.\nDevelop a comprehensive Merchant OS, including payroll, point-of-sale, inventory tracking, and other essential business management tools.\nBuild financial products integrated with a regulated Mexican banking platform.\nContribute to the development of an AI-powered WhatsApp financial assistant that helps consumers access and manage financial services.\nArchitect and optimize backend services, APIs, databases, and asynchronous processing systems for reliability and scalability.\nHelp establish AI-assisted and agentic software development practices to accelerate the engineering lifecycle.\nCollaborate closely with product managers, designers, and engineers to translate business requirements into production-ready software.\nTake ownership of complex technical challenges and independently drive features from initial concept through delivery.\nContribute to architectural decisions, engineering standards, and development practices as the San Francisco engineering team expands.\nWhat We're Looking For\n4-8+ years of professional software engineering experience, with a strong background in full-stack development.\nDemonstrated experience building and shipping production-grade applications across frontend and backend systems.\nStrong proficiency in TypeScript, React, Node.js, and modern full-stack JavaScript frameworks.\nExperience designing, developing, and maintaining scalable backend services and APIs.\nStrong understanding of SQL, relational databases, data modeling, and database performance.\nExperience working with message queuing systems and asynchronous processing.\nAbility to independently own complex features throughout the entire software development lifecycle.\nExperience building reliable, scalable systems that support growing user bases or significant transaction volumes.\nStrong product mindset and the ability to make technical decisions that balance engineering quality, user experience, and business objectives.\nComfortable working in an early-stage environment with evolving requirements and significant individual ownership.\nStrong communication skills and the ability to collaborate effectively with cross-functional teams.\nWillingness to work on-site in San Francisco five days per week.\nHighly valued: Experience in fintech, digital banking, payments, lending, financial ledgers, or merchant software. Previous experience at an early-stage or high-growth startup, familiarity with regulated financial products, and experience using AI-assisted development tools are also valuable.\nTechnology Environment\nTypeScript | React | Node.js | Full-Stack JavaScript Frameworks | SQL | Databases | Message Queuing Systems | AI-Assisted Development\nCompensation\nBase Salary: $180,000-$275,000\nEquity: Competitive equity package\nLocation\nSan Francisco, CA\nThis is an on-site position requiring five days per week in the San Francisco office. Candidates who are not currently located in the Bay Area should be willing to relocate.\nAs one of the company's first San Francisco engineering hires, you'll have the opportunity to work closely with the founding engineering team and influence the technical direction of the platform.\nVisa Eligibility\nThe company is open to considering eligible visa transfers, including qualifying H-1B transfers and OPT candidates.\nSpecific visa eligibility and sponsorship arrangements will be confirmed during the hiring process.\nHiring\nThe company is looking to hire 5 Senior Full Stack Software Engineers for its growing San Francisco engineering team.\nThis opportunity is particularly suited for a hands-on, product-minded full-stack engineer who enjoys building greenfield products and wants significant technical ownership in a well-funded, early-stage fintech. You'll work on complex financial technology challenges while helping develop banking and merchant solutions for an underserved market.","description_format":"text","description_chars":5354,"description_truncated":false,"requirements":{"experience_years_min":4,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Equity"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":true,"industries":[],"lifecycle":[{"event":"open","at":"2026-10-16T01:48:56Z"}],"visa":[],"liveness":{"score":54,"band":"ok","label":"Likely open","p_open":1,"p_active":0.542,"p_room":1,"age_days":1,"expected_fill_days":26,"reasons":["conf:2","agency","velocity","win:early","comp:brand"],"computed_at":"2026-10-17T05:46:00Z"},"pay":{"stated_usd_annual":275000,"is_top_pay":true},"html_url":"https://alion.io/job/global-placement-firm-senior-software-engineer-full-stack-3","json_url":"https://alion.io/job/global-placement-firm-senior-software-engineer-full-stack-3.json","meta":{"generated_at":"2026-10-18T04:10:49Z","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":"crawler_verified","counted_by":"address","units_charged":1,"used_today":6309,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-19T00:00:00Z"}},"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":4423659},"rest":"https://alion.io/mcp/rest/get_company?id=4423659"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fglobal-placement-firm-senior-software-engineer-full-stack-3"},{"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%2Fglobal-placement-firm-senior-software-engineer-full-stack-3"},{"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%2Fglobal-placement-firm-senior-software-engineer-full-stack-3"},{"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/global-placement-firm-senior-software-engineer-full-stack-3\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fglobal-placement-firm-senior-software-engineer-full-stack-3"}]}