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FinTech, Financial Services

Staff Software Engineer, Bank

Seattle, Washington, United StatesRemoteFull TimeStaff$153,600–$264,000 /yrPosted 2 months agoVisa sponsorship available

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Role summary

SoFi is seeking a Staff Software Engineer to lead the technical architecture and development of its new Commercial Banking product. This hands-on role involves designing and building core systems for payment orchestration, client onboarding, real-time settlement, and identity management. The ideal candidate will have deep expertise in distributed systems, JVM-based stacks (Kotlin/Java, Spring Boot), modern infrastructure (Kubernetes, AWS/GCP), and API design. Experience with stateful workflow systems and financial systems is highly preferred. You will set technical standards, mentor engineers, and drive cross-team alignment to ensure the delivery of reliable, production-critical systems handling institutional money.

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Who we are:

Shape a brighter financial future with us.

Together with our members, we’re changing the way people think about and interact with personal finance.

We’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.

The Role

SoFi is launching a brand-new commercial banking product — and we need a Staff Software Engineer to be its technical backbone.

Commercial Banking is SoFi's entry into institutional commercial banking. We're building the infrastructure that lets large institutional clients in crypto, fintech, and enterprise finance manage their money at SoFi — real-time payments, multi-account treasury management, and a closed-loop settlement network that operates 24/7/365. The systems you design will handle real institutional money from day one. The network you help architect — SEN (SoFi Exchange Network) — could become the default settlement rail for the industry.

As the Senior Staff Engineer on the Commercial Banking team, you'll be the technical leader the team looks to for the hardest problems — system design, API contracts, payment correctness, performance, and reliability. You'll set the technical bar, make architectural decisions that stick, and write the code that proves them out. This is a hands-on role: you'll be deep in the codebase while also shaping the direction for the engineers around you.

What You'll Do

Architect and Build

  • Own the technical architecture for Commercial Banking's core systems — payment orchestration, client onboarding workflows, API Gateway, real-time settlement, and the services that power the client-facing experience.
  • Design and implement the SoFi Exchange Network (SEN) — a real-time, 24/7/365 closed-loop payment network enabling instant settlement between SoFi commercial clients.
  • Build the client onboarding orchestrator: a stateful workflow engine that provisions entities, bank accounts, entitlements, payment rails, limits, and pricing — with retry, rollback, and idempotency guarantees.
  • Design enterprise-grade identity, RBAC, and maker/checker approval systems that support complex organizational structures with scoped account access, per-rail permissions, and configurable payment limits.
  • Define API contracts that institutional clients will integrate against — getting the abstractions, error models, and versioning right from day one.
  • Architect a sandbox environment that realistically simulates every payment rail, enabling clients to build and test their integrations with confidence.

    • Set the Technical Standard

  • Establish system design patterns, coding standards, and engineering best practices for the Commercial Banking codebase.
  • Drive technical decisions on data modeling, service boundaries, consistency guarantees, and failure handling across payment workflows where correctness is non-negotiable.
  • Own observability strategy — structured logging, distributed tracing, alerting, and dashboards that give the team confidence in production.
  • Lead technical design reviews and code reviews. Raise the quality bar and make it stick through example, not just feedback.
  • Identify and address technical debt proactively — knowing when to take shortcuts for speed and when to invest in the right long-term solution.

    • Lead Through Influence

  • Be the go-to technical leader on the team — the person engineers come to when they're stuck on a design problem, a performance issue, or a tricky integration.
  • Mentor engineers at all levels. Help senior engineers grow toward staff-level thinking; help mid-level engineers develop stronger system design instincts.
  • Partner with engineering management to shape the technical roadmap, estimate complexity, and sequence work for maximum impact.
  • Drive cross-team technical alignment with other engineering teams at SoFi — working across identity, entitlements, accounts, payments, and core banking systems to ensure clean integration points.
  • Represent the team's technical perspective in discussions with Product, Compliance, Risk, and Operations — translating business requirements into sound engineering decisions.

    • Make It Production-Ready

  • Design systems that handle real money with the reliability and correctness that institutional clients demand — every transaction must be accounted for, every failure mode handled.
  • Build for scale from day one — systems that work for early clients but are architected to support hundreds without rework.
  • Own the technical side of client go-live: integration health checks, performance validation, monitoring readiness, and production cutover.
  • Drive incident response and post-mortems. Build a culture where production issues are learning opportunities, not blame events.

    • What You'll Need

  • 7+ years of software engineering experience, with a sustained track record of technical leadership on complex, production-critical systems.
  • Deep distributed systems expertise — you can design services end-to-end, reason about consistency and ordering guarantees, and make pragmatic tradeoffs between correctness, availability, and latency.
  • Hands-on mastery of JVM-based stacks (Kotlin or Java, Spring Boot) and modern infrastructure (Kubernetes, AWS/GCP, Terraform, CI/CD pipelines).
  • Strong API design sensibility — you've designed APIs that external consumers depend on, and you understand the long-term cost of getting contracts wrong.
  • Experience with stateful workflow systems — you've built or operated long-running, retryable, idempotent workflows in production.
  • Proven ability to lead without authority — you influence technical direction through the quality of your ideas, your code, and your ability to bring people along.
  • Excellent communication skills — you can write clear technical design documents, explain complex systems to non-technical stakeholders, and make your reasoning legible to the team.
  • Bachelor's or Master's degree in Computer Science, Software Engineering, or a related field (or equivalent experience).

    • Nice to Have

  • Experience building financial systems — payments, ledger, treasury, banking, or fintech where auditability, correctness, and regulatory compliance are table stakes.
  • Experience building real-time payment systems (FedWire, FedNow, RTP, ACH origination) or settlement networks.
  • Background in commercial or institutional banking (treasury management, FBO/omnibus accounts, correspondent banking).
  • Experience with crypto-adjacent financial infrastructure — custodian banking, exchange settlement, stablecoin operations.
  • Familiarity with AML/KYB compliance workflows and transaction monitoring in a regulated banking environment.
  • Experience building developer-facing products — API gateways, developer portals, sandbox environments, webhook infrastructure.
  • Prior work with workflow orchestration engines (Temporal, Cadence, Step Functions) for long-running stateful processes.
  • Experience with event-driven architectures — Kafka, event sourcing, or CQRS patterns in high-throughput systems.
    • Compensation and Benefits
    The 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.
    To view all of our comprehensive and competitive benefits, visit our Benefits at SoFi page!
    SoFi 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.
    The Company hires the best qualified candidate for the job, without regard to protected characteristics.
    Pursuant to the San Francisco Fair Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction records.
    New York applicants: Notice of Employee Rights
    SoFi 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 accommodations@sofi.com.
    Due to insurance coverage issues, we are unable to accommodate remote work from Hawaii or Alaska at this time.
    Internal Employees
    If you are a current employee, do not apply here - please navigate to our Internal Job Board in Greenhouse to apply to our open roles.

    Sample SoFi interview questions

    • 1

      Develop a real-time system for managing traffic and rerouting.

      system designmedium
    • 2

      Reverse Nodes in k-Group Reverse nodes in k-group in a linked list. Input: head = [1,2,3,4,5], k = 3 Output: [3,2,1,4,5] Explanation: The first 3 elements are reversed, while the remaining 2 are left untouched since they don't form a complete group.

      codingmedium
    • 3

      Clone an Undirected Graph Clone an undirected graph. Input: adjList = [[]] Output: [[]] Explanation: Creates a new, deeply cloned graph containing only one single node with zero connected neighbors.

      codingmedium
    • 4

      Longest Substring with Two Distinct Characters Find the longest substring with at most two distinct characters. Input: s = "ccaabbb" Output: 5 Explanation: The substring "aabbb" contains exactly two distinct characters and has a maximum length of 5.

      codingmedium
    • 5

      Diameter of a Binary Tree Find the diameter of a binary tree. Input: root = [1,2] Output: 1 Explanation: The longest path is simply the single edge connecting the root node to its only child.

      codingmedium

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