Senior Software Engineer / .NET / React / FinTech

Philadelphia, PAHybridFull Time$130k - $150kAn industry-leading platform company is seeking a Senior Software Engineer. This full-time opportunity offers the chance to work with .NET, SQL Server, React, Angular, TypeScript, and modern web technologies while developing enterprise software solutions that support organizations across retail, hospitality, healthcare, financial services, and other major industries.This role is ideal for an engineer who enjoys balancing hands-on development with technical influence. Beyond building new features and enhancing existing applications, you'll contribute to architectural discussions, drive maintainable engineering practices, and help shape the evolution of a platform operating in a highly secure, transaction-heavy environment. The team is looking for someone who enjoys solving complex problems, collaborating across disciplines, and working on software where performance, reliability, and scalability matter every day.Required Skills & Experience7+ years of software development experience using .NET and SQL ServerStrong web development experience with ASP.NET MVC and jQueryDeep understanding of SPA architectures including React, Angular, Redux, TypeScript, MicroUI's, and state managementExperience designing secure API layers and working with JWT authenticationExpert-level understanding of HTML, CSS, JavaScript, and web technologiesStrong knowledge of web performance, accessibility, and localization best practicesExperience breaking down monolithic applications into reusable componentsExposure to Agile software development methodologiesStrong SQL Server development skillsUnderstanding of secure coding practicesExperience using GitStrong analytical, planning, and problem-solving skillsEffective written and verbal communication skillsDesired Skills & ExperienceExperience designing large-scale enterprise software solutionsExperience with micro-frontend architecturesExperience contributing to software standards and development best practicesExperience influencing application architecture and technical directionExperience mentoring or guiding other developersKnowledge of payment processing or financial technology platformsExperience working within highly transactional systemsPassion for continuous improvement and software craftsmanshipWhat You Will Be DoingTech Breakdown40% Front-End Development (React, Angular, TypeScript)35% Back-End Development (.NET, C#, APIs)15% SQL Server Development10% Architecture, Performance & Process ImprovementDaily Responsibilities80% Hands-On Engineering10% Technical Leadership & Architecture10% Team Collaboration & Agile CeremoniesThe OfferCompetitive CompensationBonus EligibleYou will receive the following benefits:Medical, Dental, and Vision CoverageLife InsuranceRetirement Plan with Company MatchCommission Sharing PlanParental Leave ProgramsApplicants must be currently authorized to work in the US on a full-time basis now and in the future.