{"id":549241,"url":"https://alion.io/job/potomac-full-stack-developer-100-on-site-contract-to-hire","title":"Full-Stack Developer (100% On-Site | Contract-to-Hire)","company":{"id":449980,"name":"Potomac","domain":"potomac.com","url":"https://alion.io/company/potomac","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Rippling","truth_index":{"grade":"B","score":81,"open_postings":8,"ghost_share":0,"stale_share":0.75,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-10-30T05:48:23Z"}},"role":"Backend","role_family":"Backend","seniority":null,"employment_type":"contractor","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Bethesda, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":105000,"max_usd":226000,"period":"year","method":"role_country_seniority_unknown","sample_n":9411},"experience_years_min":null,"visa_sponsorship":true,"relocation_package":false,"has_equity":false,"technologies":[],"status":"live","first_seen_at":"2026-03-16T15:21:29Z","employer_posted_date":"2026-03-16","last_verified_at":"2026-10-30T14:57:52Z","board_verified":true,"closed_at":null,"days_open":228,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":226},"description":"The Opportunity\nAt Potomac, we’re not for everyone-and that’s by design. We attract people who think critically, communicate clearly, and execute with urgency. People who care deeply about their work and don’t need handholding to make things happen.\nWe’re aboutiquetacticalasset managerwith a differentiated productthat servestheindependent broker-dealer and RIAchannel\nHeadquartered in Bethesda, MD, we combine institutional-grade investment expertise with a quantitative process that is Built to Conquer Risk®.\n Summary\nPotomac is continuing to invest in modern data and AI capabilities to support our growing business. We areseeking aFull Stack Developer with 3-4 years of fintech experience who enjoys building data-driven products that combine financial analytics with intuitive software design. This is a contract-to-hire opportunity for a skilled Developer - strong performers will be considered for a full-time position.\nYou will work on the Guardrails platform, which allows advisors to design portfolios usingrisk analytics such as beta, correlation, diversification, and drawdown analysis. This role requires strong engineering skills along with a working understanding of how portfolio analytics function in real-world financial applications.\nThis is a hands-on development role working closely with Operations, Technology, Analytics, and business stakeholders. This is a 100% in-office role in Bethesda, MD.\nKey Responsibilities\nDesign, build, andmaintainfull stack features for a fintech portfolio analytics platform \nDevelop and support backend services and APIs powering portfolio modeling and analytics \nBuildmodern front-end interfaces for portfolio construction, analytics visualization, and advisor proposal workflows \nIntegrate market data, fund data, and strategist models into application workflows \nOptimizeperformance forlarge portfolio simulations and analytics calculations\nCollaborate with investment strategists and product managers to translate financial concepts into scalable software solutions \nMaintain high-quality, well-tested code and contribute to platform architecture as the system evolves \nQualifications\nRequired\nDesign, build, andmaintainfull stack features for a fintech portfolio analytics platform \nDevelop and support backend services and APIs powering portfolio modeling and analytics \nBuildmodern front-end interfaces for portfolio construction, analytics visualization, and advisor proposal workflows \nIntegrate market data, fund data, and strategist models into application workflows \nOptimizeperformance forlarge portfolio simulations and analytics calculations\nCollaborate with investment strategists and product managers to translate financial concepts into scalable software solutions \nMaintain high-quality, well-tested code and contribute to platform architecture as the system evolves \nPreferred\nExperience building portfolio analytics, trading, or wealth management platforms \nFamiliarity with quantitative finance or portfolio construction \nExperience with financial data visualization or analytics tools \nExperience building tools used by financial advisors, RIAs, or investment firms \nContract-to-hire: initial3-month contract with the potential to convert to full-time employment. If the role converts to full-time employment, the employee will be eligible for the company’s full suite of benefits, whichincludemedical, dental, vision,401k, and other company-sponsored benefits available to full-time team members.\nPotomac is not your typical asset manager. We cut through the industry BS with brutal transparency and an obsession with execution. If you’re looking for a slow pace and low volume, this isn’t for you.\nIf you want to drive, build, and scale, this is your shot. 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