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# Lead Software Engineer

- **Company:** Finjoy, Inc
- **Location:** United States (Remote available)
- **Experience:** Expert
- **Salary:** $120,000.0 - $195,000.0
- **Contract:** Permanent contract
- **Skills:** C (Programming Language), Application Programming Interfaces (APIs), Data Analysis, Automation of Tests, Unit Testing, Banking Software, C Sharp (Programming Language), C++ (Programming Language), Cloud Computing, Code Review, Continuous Integration, Software Debugging, Linux, Entity Framework, Electronic Signatures, Firmware, Fraud Prevention and Detection, Networking Hardware, Python (Programming Language), Microsoft SQL Server, PCI Express, Software Engineering, Systems Integration, TypeScript, Virtual Memory, .NET Core, Technical Debt, Backend, Containerization, AngularJS, Integration Tests, Front End Software Development, DocuSign, Microservices
- **Published:** August 29, 2026
- **Apply:** https://www.builtincolorado.com/auth/login?destination=/job/lead-software-engineer/10916335

## About the Role

The ideal candidate brings deep experience in digital account opening, loan origination, or financial onboarding technology, with strong proficiency in .NET Core and Angular, and the technical leadership skills to drive a team and build alongside them., * 8+ years of software engineering experience, with at least 2 years in a technical leadership or lead engineer role

 * Domain experience in digital account opening, loan origination, financial onboarding, or banking technology; candidates without this background will not be considered
 * Strong proficiency in C#, .NET Core, Entity Framework, and SQL Server; this is the core backend stack
 * Strong proficiency in Angular and TypeScript: required frontend skill, not optional
 * Proven experience building and integrating with core banking systems or third-party financial APIs (identity verification, KYC/AML, e-signature, fraud detection)
 * Proven ability to architect scalable, secure, and compliant systems in a regulated financial environment
 * Experience leading engineering teams: setting technical direction, coaching engineers, and driving delivery without sacrificing quality
 * Strong understanding of KYC/AML compliance, identity verification, and data privacy requirements in financial applications
 * Experience with cloud infrastructure, containerization, microservices, and CI/CD pipelines
 * Must be available to work Eastern Time Zone hours; this is a firm requirement
 * Comfortable operating in a high-growth startup environment; you build the process, not just follow it

Nice to Have

 * Direct experience with credit union or community bank account opening or loan origination platforms
 * Familiarity with Corelation Keystone, Jack Henry Symitar, Fiserv Portico, or CU Answers core banking integrations
 * Experience with Plaid, Socure, Alloy, DocuSign, or similar identity and verification APIs
 * Experience with business banking account opening or commercial onboarding workflows
 * Background in conversion optimization for digital financial onboarding flow.

## Description

We are looking for a Lead Software Engineer to own the technical direction and execution of Bankjoy's Online Account Opening (OAO) and Online Loan Application (OLA) products, one of our most strategically important and revenue-critical product areas.

This is a hands-on technical leadership role. You will own the architecture, lead a high-performing engineering team, and work closely with Product, Design, QA, and financial institution clients to deliver account opening and loan origination experiences that are fast, compliant, and conversion-optimized. You'll be embedded in a fast-moving fintech environment where your decisions directly impact client go-lives and member acquisition for credit unions and community banks., * Own the technical direction and architecture for Bankjoy's OAO and OLA products, designing systems that are scalable, secure, compliant, and optimized for financial institution workflows

 * Lead solution design and quarterly planning, guiding architectural and technology decisions in alignment with product and business goals
 * Ensure all systems meet financial industry standards including KYC/AML compliance, identity verification, regulatory requirements, and data privacy
 * Provide technical guidance and code reviews to maintain engineering best practices across the team
 * Architect integrations with core banking systems (Corelation, Jack Henry Symitar, Fiserv Portico, CU Answers) and third-party vendors (identity verification, fraud detection, e-signature providers)

Execution & Delivery

 * Break down initiatives into milestones and deliverables, managing scope, dependencies, risks, and technical debt
 * Monitor delivery progress and communicate risks or blockers proactively to ensure timely, high-quality client go-lives
 * Balance delivering business value with maintaining long-term system health, avoiding over-engineering while building for scale

Hands-On Development

 * Contribute directly to coding, testing, debugging, and development; this is not a purely managerial role
 * Build and maintain backend services using C#, .NET Core, Entity Framework, and SQL Server
 * Develop frontend components using TypeScript and Angular
 * Build and maintain integrations with core banking systems, identity verification providers, and other third-party APIs

Team Leadership & Mentorship

 * Lead and mentor engineers through regular 1:1s, performance feedback, and hands-on coaching
 * Foster a collaborative, high-trust team culture that emphasizes quality, ownership, and continuous improvement
 * Hire and onboard engineering talent as the account acquisition team grows

Cross-Functional Collaboration

 * Partner closely with Product to shape the OAO/OLA roadmap, define feature scope, and deliver accurate technical estimates
 * Work with Implementation and Client Success teams to understand client go-live needs and ensure technical solutions support smooth onboarding
 * Collaborate with QA to define testing standards, quality gates, UAT readiness, and release criteria
 * Surface implementation-blocking issues and feed client learnings back into the product and engineering roadmap

Quality & Production

 * Oversee unit test coverage, integration testing, and CI/CD pipeline quality
 * Establish monitoring, alerting, and observability practices to ensure production reliability for client-facing account opening flows
 * Participate in on-call rotation and respond to production incidents with clear RCA and retrospective processes, Develop and deliver Linux-based EOS software for Arista data center switches and routers. Responsibilities include writing specifications, implementing C, C++, and Python solutions, creating automated tests, debugging routing and packet-forwarding issues, supporting customer network troubleshooting, collaborating with system test and support teams, mentoring engineers, reviewing code, and managing project schedules. The role requires strong software fundamentals and networking knowledge, particularly Ethernet switching, routing protocols, distributed systems, and hardware software libraries.
Top Skills: BgpCC++Command-Line InterfacesDatabasesDistributed SystemsEthernet BridgingIp Routing ProtocolsIs-IsL2/L3 NetworkingLink Aggregation Control ProtocolLink Layer Discovery ProtocolLinuxOspfPimPythonRipSpanning Tree ProtocolUnix
Arista Networks


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