{"id":3542465,"url":"https://alion.io/job/sofi-senior-staff-software-engineer-ai-developer-experience","title":"Senior Staff Software Engineer, AI Developer Experience","company":{"id":12297,"name":"SoFi","domain":"sofi.com","url":"https://alion.io/company/sofi","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"B","score":84,"open_postings":8,"ghost_share":0,"stale_share":0.625,"repost_share":0,"time_to_fill_p50_days":38,"computed_at":"2026-11-02T06:13:15Z"}},"role":"AI/ML","role_family":"AI/ML","seniority":"staff","employment_type":null,"work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"posting_text","remote_working_hours":null,"hiring_geo_confidence":"inferred","locations":["San Francisco, United States","Seattle, United States"],"countries":["US"],"hiring_countries":["US","PR"],"hiring_countries_total":2,"salary":null,"salary_estimate":{"min_usd":204000,"max_usd":385000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":197},"experience_years_min":4,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"CI/CD","optional":false},{"name":"LLM","optional":false},{"name":"LLM Guardrails","optional":false},{"name":"State Management","optional":false},{"name":"Agentic Workflows","optional":true},{"name":"AI Agents","optional":true},{"name":"FinOps","optional":true}],"status":"live","first_seen_at":"2026-10-30T18:48:05Z","employer_posted_date":"2026-10-30","last_verified_at":"2026-11-02T18:04:59Z","board_verified":true,"closed_at":null,"days_open":3,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":3},"description":"Employee Applicant Privacy Notice\nWho we are:\nShape a brighter financial future with us.\nTogether with our members, we’re changing the way people think about and interact with personal finance.\nWe’re a next-generation financial services company and national bank using innovative, mobile-first technology to help our millions of members reach their goals. The industry is going through an unprecedented transformation, and we’re at the forefront. We’re proud to come to work every day knowing that what we do has a direct impact on people’s lives, with our core values guiding us every step of the way. Join us to invest in yourself, your career, and the financial world.\nThe role:\nSoFi's AI Platform team builds the foundation that lets every engineer at SoFi ship faster, safer, and with more leverage from AI. Our AI Developer Experience (AI DevEx) team owns SoFi's interactive coding strategy and the underlying infrastructure: AI economics, coding harnesses and harness vending, our evaluation platform, the AI Gateway, and intelligent model routing. \nAs a founding Senior Staff Software Engineer, you'll be the technical lead and subject matter expert for this area across AI Platform: setting architecture, shaping the interactive coding strategy, and leading work across Autonomous Coding, CI/CD, Code Factory, and our customer engineering teams.\nWhat you’ll do:\nSet Technical Direction: Define and drive the architecture for the enterprise AI Gateway, model routing, automated evaluation platform, and harness vending, ensuring seamless support for interactive and autonomous workflows across multiple business units.\n\nShape Strategy & Roadmaps: Proactively identify systemic developer productivity bottlenecks, translate opportunities into a 12-24 month technical roadmap, and execute high-impact design and build initiatives.\n\nLead AI Economics Engineering: Architect cost models, metering systems, telemetry, and adaptive routing policies that balance model accuracy, latency, and operational spend across the engineering organization.\n\nDrive Cross-Group Initiatives: Plan and technically lead initiatives spanning multiple engineering teams; establish shared interfaces and platform contracts with Autonomous Coding, CI/CD pipelines, and Code Factory.\n\nResolve Architectural Deficiencies: Identify and remediate root causes of complex architectural bottlenecks (latency, throughput, state management, dependencies) across distributed systems.\n\nEvaluate Build-vs-Buy Choices: Continuously assess emerging AI tooling and foundational models, recommending vendor-neutral, future-proof integration patterns.\n\nRepresent Group Architecture: Lead department-level technical planning, establish architectural RFC standards, and facilitate rigorous design reviews across product areas.\n\nRaise Operational Excellence: Set production standards for resilience, testing, and deployment; act as a lead incident resolver capable of coordinating responses to high-severity incidents and driving post-incident reviews to root-cause prevention.\n\nMentor & Elevate Talent: Actively coach and develop Senior (IC3) and Staff (IC4) engineers, cultivating an engineering culture of craft, ownership, and psychological safety.\n\nWhat you’ll need:\nEducation & Minimum Experience Requirements: Bachelor’s Degree + 4+ Years of Experience OR Master’s Degree + 3+ Years of Experience in software engineering, computer science,or a related technical field.\n\nProven track record of technical leadership on software initiatives spanning multiple teams and complex distributed architectures.\n\nAdept system design capability with large-scale, high-availability distributed systems, platform infrastructure, and cross-domain APIs.\n\nHands-on engineering experience building with LLM-based architectures, model APIs, and AI-assisted development tools (coding agents, developer harnesses, prompt/context evaluation, tool integration).\n\nHands-on experience designing or operating model evaluation pipelines, AI proxies/gateways, or dynamic routing systems.\n\nDemonstrated ability to analyze infrastructure unit economics, capacity trade-offs, and operational telemetry.\n\nExceptional communication and cross-functional leadership skills, with a track record of driving technical alignment across engineering squads and leadership.\n\nCommitment to engineering best practices, security guardrails, data privacy, and maintainable software design.\n\nAI-Assisted Engineering Expectations:\nUse AI tools responsibly to accelerate prototyping, explore new architectures, and streamline ramp-up across new domains.\n\nReview AI-generated code and architecture critically, enforcing rigorous automated testing, safety, and long-term maintainability.\n\nAdhere strictly to data-handling and security protocols to safeguard proprietary and member data.\n\nElevate team productivity by sharing effective AI development workflows,spec templates,and evaluation guardrails.\n\nNice to have:\nExperience designing or scaling internal developer platforms (IDPs) and developer tooling at enterprise scale.\n\nPractical exposure to FinOps frameworks for tracking and optimizing cloud or AI compute spend.\n\nDirect experience developing autonomous agentic workflows or deep integrations into engineering development lifecycle tools.\n\nBackground in financial technology, banking platforms, or regulated engineering environments.\n\nCompensation and Benefits\nThe base pay range for this role is listed below. Final base pay offer will be determined based on individual factors such as the candidate’s experience, skills, and location. \nTo view all of our comprehensive and competitive benefits, visit our Benefits at SoFi page!\nSoFi provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion (including religious dress and grooming practices), sex (including pregnancy, childbirth and related medical conditions, breastfeeding, and conditions related to breastfeeding), gender, gender identity, gender expression, national origin, ancestry, age (40 or over), physical or medical disability, medical condition, marital status, registered domestic partner status, sexual orientation, genetic information, military and/or veteran status, or any other basis prohibited by applicable state or federal law.\nThe Company hires the best qualified candidate for the job, without regard to protected characteristics.\nPursuant to the San Francisco Fair Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction records.\nNew York applicants: Notice of Employee Rights\nSoFi is committed to an inclusive culture. As part of this commitment, SoFi offers reasonable accommodations to candidates with physical or mental disabilities. If you need accommodations to participate in the job application or interview process, please let your recruiter know or email .\nWe are unable to accommodate remote work from Hawaii, Alaska or Puerto Rico at this time.\nInternal Employees\nIf you are a current employee, do not apply here - please navigate to our Internal Job Board in Greenhouse to apply to our open roles.","description_format":"text","description_chars":7156,"description_truncated":false,"requirements":{"experience_years_min":4,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"},{"name":"Puerto Rico","iso":"PR","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Digital Banks & Neobanks","Consumer Loans & Pawnshops","Investing Apps & Robo-Advisors"],"lifecycle":[{"event":"open","at":"2026-10-30T19:41:38Z"}],"visa":[],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.903,"p_room":1,"age_days":2,"expected_fill_days":38,"reasons":["conf:0","velocity","win:early"],"computed_at":"2026-11-02T06:13:15Z"},"pay":null,"html_url":"https://alion.io/job/sofi-senior-staff-software-engineer-ai-developer-experience","json_url":"https://alion.io/job/sofi-senior-staff-software-engineer-ai-developer-experience.json","meta":{"generated_at":"2026-11-02T21:53:03Z","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":30628,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-03T00:00:00Z"}},"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":12297},"rest":"https://alion.io/mcp/rest/get_company?id=12297"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fsofi-senior-staff-software-engineer-ai-developer-experience"},{"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%2Fsofi-senior-staff-software-engineer-ai-developer-experience"},{"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%2Fsofi-senior-staff-software-engineer-ai-developer-experience"},{"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/sofi-senior-staff-software-engineer-ai-developer-experience\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fsofi-senior-staff-software-engineer-ai-developer-experience"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3542465}},{"tool":"search_jobs","arguments":{"company":"sofi.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3542465},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. 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