Founding Solutions Engineer

Job DescriptionJob DescriptionFounding Solutions Engineer Location: New York CityWork Style: In-office 4 days, remote 1 day, with periodic customer travel Employment Type: Full-time Focus: Financial Infrastructure, Enterprise Integrations, Trading Workflows, Customer DeploymentAbout Our ClientOur client is building modern infrastructure for the OTC derivatives market — a massive financial market that moves trillions of dollars daily, yet still relies on outdated and fragmented technology.The company is founded by a small team with deep experience across trading, quantitative finance, and engineering at tier-one financial institutions. They are building a modern, AI-native platform capable of processing some of the most complex transactions across global financial markets.Their customers include sophisticated banks, hedge funds, asset managers, and other institutional market participants. The problems are highly technical, the scale is massive, and the opportunity is to help define how critical financial infrastructure operates for decades to come.About the RoleOur client is hiring a Founding SolutionsEngineer (customer success engineering) to sit at the intersection of customers, product, and engineering.This person will own the technical onboarding and deployment of the platform across enterprise financial customers. You'll work directly with banks, hedge funds, asset managers, client engineering teams, information security teams, trading teams, operations teams, product owners, and senior stakeholders.This is a deeply technical, highly customer-facing role. It is not traditional customer support or account management. You are responsible for making the technology work, driving customers toward successful production deployment, and turning field learnings into product improvements.What You'll DoOwn customer deployments end-to-end, from discovery and solution design through configuration, testing, launch, and adoptionLead technical onboarding for sophisticated financial institutionsDesign and implement integrations across APIs, FIX connectivity, SFTP, file feeds, and other enterprise data exchange patternsConfigure enterprise identity and access systems, including SSO, authentication, authorization, and credential workflowsTroubleshoot technologies such as SAML, OIDC, OAuth, certificates, and enterprise identity providersMap complex trading workflows and client-specific data models into the platformWork with structured financial data across APIs, FIX messages, JSON, XML, CSV, and other formatsValidate data accuracy, client schemas, business rules, and platform representationDiagnose technical issues across application behavior, authentication, networking, connectivity, data, configuration, and client infrastructureWrite scripts or lightweight tools when needed to solve customer problemsCoordinate testing, certification, migration, go-live, and post-launch activitiesBuild trusted relationships with client engineering, security, operations, and business teamsAct as a direct feedback loop between customers and product/engineeringCreate documentation, integration patterns, tooling, automation, and reusable onboarding playbooksHelp every customer deployment become faster, cleaner, and more repeatable than the lastWhat We're Looking For3+ years of experience in software engineering, solutions engineering, implementation engineering, technical consulting, or another highly technical customer-facing roleStrong technical foundation across distributed systems, APIs, data models, authentication, networking, and cloud applicationsExperience designing, implementing, or supporting integrations between enterprise systemsHands-on experience with REST APIs, webhooks, structured data formats, and data transformation or mappingFamiliarity with enterprise authentication and authorization technologies such as SAML, OIDC, OAuth, and Single Sign-OnAbility to independently investigate issues using logs, API requests, network traces, application configuration, and diagnostic toolsAbility to write code or scripts when needed; Python, JavaScript, or TypeScript preferredStrong project ownership with the ability to manage multiple workstreams, stakeholders, dependencies, and deadlinesExcellent communication skills across technical and business audiencesStrong judgment and problem-solving skills in ambiguous environmentsCustomer-first mindset with strong engineering disciplineComfort working with sophisticated enterprise customers and navigating complex financial institutionsWillingness to work in person from the NYC office and travel periodically to customer sitesBonus ExperienceExperience in capital markets, fintech, financial infrastructure, or enterprise financial servicesFamiliarity with OTC derivatives, trade capture, post-trade processing, confirmations, settlements, or trading workflowsExperience implementing or supporting FIX protocol integrationsExperience working with banks, hedge funds, asset managers, prime brokers, or institutional market participantsExperience with SFTP, managed file transfer, VPNs, TLS/mTLS, private connectivity, or enterprise integration patternsExperience with identity providers such as Okta, Microsoft Entra ID, Ping Identity, or Auth0Familiarity with AWS or other major cloud platformsExperience working with databases and querying production dataExperience building internal tooling or automation to make onboarding and implementation more scalableExperience owning enterprise implementations from technical discovery through production launchWhy This OpportunityJoin an early team building modern infrastructure for one of the largest financial markets in the worldWork directly with sophisticated banks, hedge funds, asset managers, and enterprise financial institutionsOwn technical deployments that directly impact customer success and revenueSolve hard problems across trading workflows, integrations, identity, data mapping, and production readinessPartner closely with product and engineering to shape the platform based on real customer needsBuild repeatable onboarding systems, playbooks, and tooling from the ground upStep into a role with high ownership, deep technical complexity, and direct customer impact