Senior Software Engineer

Senior Software EngineerSharetec is looking for a Senior Software Engineer to join our team!At Sharetec, we believe in a people-first business. Our mission is to make millions of people's lives easier by developing innovative core banking and lending software solutions for credit unions and their members. Our customers rely on us for powerful financial technology that enhances operations across accounting, lending, member services, and online banking — and they count on us to be a caring, trusted partner in their success.The RoleWe're looking for a Senior Software Engineer to join our Digital team as a core full stack builder and technical owner. You'll work alongside a close-knit team of engineers to design, build, and maintain the products and platform that power Sharetec's Digital Banking experience — serving hundreds of credit union customers and their members.This is a high-impact role on a focused team with a big roadmap. You'll contribute directly to significant product modernization initiatives, deliver features across our Digital Banking applications, and play a key role in architecting a new API layer that will expand the capabilities of Sharetec's Digital Banking platform.If you thrive in a remote, collaborative environment where you own your work end-to-end, enjoy working across the full stack, and are energized by modernizing systems while shipping real product value, this role was built for you.Position DetailsThis is a full-time, exempt, remote position open to candidates residing in any U.S. state, with the exception of California. The starting salary for this position is $120,000 – $140,000 based on experience, plus bonus eligibility.Who Will Love This JobSomeone who is a true full stack engineer — equally comfortable in a Node.js or Go service and a React + TypeScript componentSomeone who thrives on owning their work from database design to deployed UI, not just executing assigned tasksSomeone who finds genuine satisfaction in modernizing legacy systems — treating a rewrite as an opportunity, not a choreSomeone who values tight-knit team dynamics, gives and receives direct feedback, and communicates early when something is offSomeone who is excited about the challenge of architecting a new API layer that meaningfully expands the capabilities of Sharetec's Digital Banking platformSomeone who cares about quality — not perfection for its own sake, but building software that credit union members can depend onEssential Duties & ResponsibilitiesTechnical Leadership & System DesignPartner with the Digital engineering team and leadership to design scalable, maintainable full stack systems that align with Sharetec's Digital roadmapDrive technical design discussions across active modernization initiatives and the new Digital API integration layerEvaluate and recommend tooling, patterns, and architectural decisions across the frontend (React, TypeScript, Next.js) and backend (C#, ASP.NET Core) stackAdvocate for secure-by-default design — ensuring code is reviewed, scanned, and tested before it reaches productionContribute to API design standards and integration patterns that expand the reach and capabilities of Sharetec's Digital Banking platformSoftware Development & DeliveryBuild, test, and maintain production-quality features across Sharetec's Digital Banking web and mobile platform — including iOS and Android applications built with React NativeWrite clean, well-documented, and well-tested code across the stack — TypeScript and React on the frontend, C# and ASP.NET Core on the backend — that meets Sharetec's engineering standardsManage work across the full lifecycle — from design and implementation through code review, testing, and production monitoringWork within containerized environments using Docker and contribute to CI/CD pipeline health and reliabilityWork with relational and cloud databases including PostgreSQL and MySQL, with an understanding of when and how to apply the right data store for the jobDeliver sprint commitments reliably, surface scope risk early, and maintain a consistent, predictable delivery cadenceCollaboration, Mentorship & Continuous ImprovementPartner closely with your Digital engineering teammates as a collaborative peer — sharing context, participating in design reviews, and proactively helping the team succeedLead and contribute to code reviews that improve the quality of the codebase and help teammates growShare knowledge of the Digital stack through documentation, pairing sessions, and team discussionsSupport the onboarding of future Digital team members as the team scalesParticipate actively in Agile ceremonies — planning, standups, retros — and contribute to continuous process improvementInvest in your own growth: stay current on the tools and patterns most relevant to the Digital stack and Sharetec's roadmapQualified Candidates Should HaveRequired5+ years of professional software engineering experience with demonstrated full stack ownershipStrong proficiency in React and TypeScript — building and maintaining production-quality frontend applicationsExperience with Next.js or a comparable server-side rendering frameworkExperience shipping production mobile applications to the App Store (iOS) and Google Play (Android) — our mobile apps are built with React Native; candidates with native Swift or Kotlin experience are encouraged to apply as that experience transfers wellSolid backend development experience — our stack is C# / ASP.NET Core, and candidates with backgrounds in Node.js, Go, PHP, or other strongly-typed backend languages are encouraged to apply; comfort learning and working in C# is expectedSolid API design and integration experience — RESTful APIs with an understanding of versioning, authentication, and external service integrationsExperience with relational databases such as PostgreSQL or MySQL in a production context — candidates with backgrounds in Redis, MongoDB, or other data stores are welcome and will find that experience translates wellExperience with Docker and containerized development or deployment environmentsDemonstrated experience contributing to or leading the modernization of an existing production system (not just greenfield)Excellent communication skills and the ability to collaborate effectively in a remote-first, async environmentBachelor's degree in Computer Science or a related field, or equivalent professional experiencePreferredDirect experience with C# and ASP.NET CoreExperience with native iOS (Swift) or Android (Kotlin) developmentFamiliarity with Tailwind CSS, ShadCN, or modern component libraries such as Radix UI or MUIBackground in financial services, fintech, or banking software (credit union experience a significant plus)Familiarity with compliance frameworks relevant to financial software (SOC 2, PCI-DSS, etc.)Experience designing APIs intended for multi-tenant or platform-scale architecturesFamiliarity with Agile/Scrum workflows and experience in a distributed, remote engineering teamWhat Success Looks LikeIn Your First 30 DaysComplete onboarding and gain a solid working understanding of Sharetec's Digital codebase, architecture, and team conventionsShip your first contribution to the Digital Banking platform — small, scoped, and code-reviewedEstablish strong working relationships across the Digital engineering team and broader Sharetec engineering organizationParticipate in sprint planning and architecture discussions to begin building context on the Digital roadmapBy 60 DaysOwn and deliver a meaningful feature end-to-end — backend API through frontend component — within one of the active Digital platform initiativesDevelop a point of view on the Digital stack and architecture — be able to speak to trade-offs and recommend improvementsEstablish a regular cadence of code reviews and peer collaboration with the Digital engineering teamBy 90 Days and BeyondServe as a reliable technical owner for one or more modules or feature areas within the Digital platformDrive or co-lead a meaningful architecture decision within a core Digital initiativeActively mentor and