Top Software Engineer Jobs in Louisville, KY

Design, build, deploy, and maintain resilient, scalable production systems for Toast’s retail customers. The role sets long-term technical architecture and strategy, communicates technical direction, mentors senior engineers, improves engineering productivity, diagnoses performance issues, and drives initiatives amid ambiguity. Engineers collaborate directly with retail customers, visit stores, understand operational workflows, and use AI tools to improve development velocity and quality.

Build and operate high-throughput backend services powering AI agent orchestration, connector integrations, and real-time data pipelines. Design scalable core platform services, collaborate with ML, frontend, and product teams, implement infrastructure-as-code and CI/CD, and mentor junior engineers to deliver reliable, AI-powered features.

As a Software Engineer, you'll design, build, and maintain IAM solutions, ensuring security and reliability while working with cloud computing standards.

Design and build reliable backend services and integrations for Coinbase’s Unified Merge Gate. Lead automated code review, policy evaluation, CI evidence, authorization, merge controls, repository migrations, safe rollouts, observability, and operational ownership. Partner with Security, Compliance, Infrastructure, and engineering teams to improve software review and deployment workflows while measuring merge quality, review volume, time-to-merge, and escaped defects.

Design, scope, and implement scalable backend and platform solutions for a reservations and waitlist product. Improve performance and usability, collaborate with Product and Design, identify high-impact opportunities, and contribute across the stack including APIs and front-end integration.

Leads technical vision and strategy for Affirm’s Marketplace, Search, Ads Platform, and consumer experiences. Designs scalable full-stack platforms, guides architecture and technical excellence, coordinates initiatives across engineering teams, mentors engineers, and drives reliable delivery of customer-focused products across iOS, Android, and Web.

Develop, test, debug, and maintain game software for console, PC, and mobile platforms. Collaborate with artists, designers, and engineers to define and implement features, deliver systems to specification, provide ongoing technical support, and balance scope, quality, and development pace.

Build and maintain resilient backend services and APIs for fraud detection, identity verification, and transaction monitoring. Integrate third-party risk/compliance platforms, partner with product and engineering teams, contribute to architecture decisions, and produce documentation to ensure secure, reliable systems at scale.

Architect and re-engineer highly scalable, resilient backend data systems supporting patient services. Lead distributed systems strategy, make architectural decisions, improve performance and reliability, mentor engineers, establish operational practices, and collaborate with product managers and cross-functional stakeholders to shape engineering and product direction.

Own end-to-end frontend development for core crypto payment flows across web and mobile. Improve latency, availability, and SLOs; build user-facing features (contacts, real-time transaction status); identify and fix performance bottlenecks; partner with product/design/backend; mentor junior engineers to reduce customer friction at scale.

Build and maintain developer-facing tools and APIs for MongoDB Atlas and Compass. Work full-stack on customer-facing UIs and backend services, design scalable, highly available web applications, collaborate cross-functionally, troubleshoot distributed systems, and improve performance and developer experience.

Own and lead Coinbase’s developer infrastructure platforms, including CI, build systems, and deployment orchestration. Set technical direction for complex cross-team initiatives, improve build and deployment performance, manage reliability and observability, and drive platform migrations and adoption. Partner with engineering leaders, operate production systems, mentor engineers, and deliver scalable tools used across the organization.

Owns delivery of backend money movement and card ledger systems, leading engineers through complex problems and ambiguity. Collaborates with product, design, analytics, and engineering stakeholders; defines scalable technical solutions; supports system availability, monitoring, on-call operations, code quality, and engineering standards. The role also includes mentoring and developing team talent while building highly available distributed systems for Affirm’s financial products.

Lead design and implementation of Azure full‑stack, scalable skilling platform features. Drive CI/CD, reliability, automation, and AI/LLM-enabled capabilities. Mentor engineers, enforce engineering best practices, coordinate cross-team dependencies, and improve test automation and observability for enterprise-scale services.

Volunteer senior engineer to develop a cross-platform medical/wellness app (web, iOS, Android). Own full SDLC: design, coding, testing, data models, pipelines, deployments, and collaborate in Agile processes. Attend weekly standups and commit at least 4 hours weekly.

Own and evolve Thrive Global’s enterprise identity platform, including sign-up, authentication, authorization, user identity management, and integrations with enterprise identity providers. Independently deliver complex projects, partner with Product and stakeholders, maintain reliability, participate in on-call and incident response, and ensure secure, scalable systems using modern identity protocols and credential-management practices.

Design and build automation platforms, validation systems, telemetry pipelines, performance frameworks, and diagnostic tools for qualifying next-generation Azure Storage hardware. Investigate distributed software, hardware, firmware, networking, and operating-system issues; analyze performance data; improve scalability and reliability; and contribute to technical architecture across Azure Storage infrastructure.

Lead the architecture, development, and evolution of Keeper Commander, including Python and .NET SDKs, CLI tooling, APIs, and developer automation. Remain hands-on with coding, debugging, architecture, integrations, security, testing, and release engineering while mentoring a small team. Partner with Product, QA, and Security teams, support the open-source ecosystem, improve developer experience, and guide technical strategy for enterprise and DevOps integrations.

Designs and implements protocols and features for highly scalable distributed block storage, focusing on durability, availability, performance, reliability, and observability. Responsibilities include coding, optimization, debugging, design documentation, stakeholder collaboration, incident response, on-call operations, and mentoring engineers. The role requires expertise in C or C++, distributed systems, cloud backend development, multithreaded programming, and large-scale software delivery.

Develop and maintain Akamai’s custom Linux kernel and distribution. Responsibilities include adding performance, reliability, and security features; porting modifications to newer kernel versions; debugging production and test issues; improving build and continuous-testing automation; collaborating with platform, application, test, and hardware teams; and contributing work upstream to the Linux community.

Own and develop safety-critical firmware for autonomous transit vehicles, including RTOS applications, communication architectures, bootloaders, drivers, board bring-up, diagnostics, and automated testing. Lead cross-functional embedded projects, optimize performance on resource-constrained platforms, establish engineering standards, conduct code reviews, and mentor engineers. The role requires expert C or C++, embedded systems experience, safety-critical development, and typically seven or more years of production embedded software experience.

Lead the technical vision and architecture for scalable, secure, high-performance distributed systems. Provide engineering leadership, mentorship, and architectural guidance while driving reliability, automation, CI/CD, security, performance optimization, and technical strategy. Investigate emerging technologies, oversee complex problem-solving, establish engineering standards, and collaborate with product and business stakeholders to align technology roadmaps with organizational goals.

Designs and develops software to automate onboarding, validation, management, tracking, and lifecycle operations for new hardware deployed in Microsoft datacenters. Responsibilities include requirements analysis, system design, coding, debugging, optimization, reliability engineering, monitoring, on-call support, and incident response. The role collaborates with Azure teams and stakeholders while improving scalability, security, availability, observability, and performance across cloud and distributed systems.

Design, implement, optimize, and operate highly available distributed data streaming platforms across FedRAMP environments. Develop concurrent, low-latency software using C, C++, Go, or Java; support full-stack data delivery; troubleshoot complex network and distributed-system issues; and provide technical guidance through code reviews and mentoring.

Own end-to-end architecture and implementation quality for an accounting and payments pod. Lead migration of billing processing to Go worker routines, build a reusable invoicing SDK with Storybook, define testing strategies, reduce technical debt, mentor engineers, participate in customer discovery, and promote AI-assisted development. The role requires strong backend, frontend, database, architectural, and mentoring experience in a fully remote product-led environment.