Top Software Engineer Jobs in Louisville, KY

Join as a full-stack software engineer to design, develop, and maintain web applications and services. Collaborate cross-functionally, write clean code, perform code reviews, debug issues, and stay current with industry trends.

Backend engineer to develop and own core CRM and finance services. Work in a fast-growth scaleup, ship quickly using agentic AI workflows, own testing and service quality, and optimize developer tooling and workflows.

Build and maintain end-to-end web applications powering sales and operations. Design tools for quoting, scheduling, and fulfillment, integrate AI into products, collaborate on UX, ship high-impact features, and contribute to architecture, deployment, and engineering culture.

Full-stack feature-team engineer working across UI, JavaScript, and backend to build scalable investment portfolio management web applications. Gather requirements with product and users, design solutions, implement and deploy code, and operate in Linux environments. Emphasis on strong computing fundamentals, Ruby on Rails proficiency, user workflow understanding, and clear communication.

Join as the founding full-stack engineer to extend a TypeScript React/Next.js prototype, design product features, integrate AI/OCR, write tests and infrastructure, talk to users, and iterate quickly to drive growth.

The Senior Software Engineer for the Treasury team will develop backend services for fund management, ensuring system reliability and leading projects in a fast-paced environment.

Design and build monitoring, telemetry, and data pipelines to operate flagship supercomputers at scale. Diagnose and troubleshoot GPU hardware, networking, datacenter and software stack issues, implement systemic mitigations, improve observability, and drive reliability and performance improvements through incident reviews and tooling.

Build and operate AlphaSense's identity platform across user management, authentication, and authorization. Design scalable RBAC/ABAC/ReBAC systems, integrate authentication patterns (OAuth/OIDC/SAML), implement SCIM provisioning, and expose GraphQL/gRPC/REST APIs. Partner with security on SOC2/GDPR compliance, drive platform roadmap, champion testing, observability, and reliability, and operate autonomously from North America in close collaboration with the Helsinki team.

Design, implement, and operate highly scalable Azure cloud services and full‑stack features for Compute Manager. Own design, coding, debugging, reliability, and on‑call operations as a DRI. Collaborate across teams to improve availability, performance, observability, and run distributed systems at hyperscale.

Lead architecture and implementation of large-scale, elastic Pub/Sub and messaging services. Define scalable, reliable designs, mentor engineers, drive CI/CD and testing strategies, manage incidents, partner with PMs/EMs, and advance AI tooling across the SDLC to enable real-time analytics and integrations.

Lead development and maintenance of Scale to Win's products, building full-stack features, designing scalable architectures, improving platform reliability and performance, and participating in incident response and on-call rotations. Collaborate with product, design, and engineering teams to deliver tested, production-ready features, mentor teammates, and support client technical requests.

Design, build, and operate high-performance Places/Search API services; drive architecture and scalability decisions; improve code quality and operational standards; mentor engineers; run experiments and telemetry-driven analysis; participate in feature delivery, on-call rotation, and customer-facing collaboration with automotive and mapping partners.

The Senior Software Engineer will design and develop systems for processing communication data, ensure software quality, provide technical leadership, and solve complex problems in real-time media systems.

Design, implement, and maintain scalable Java-based software solutions. Collaborate across the SDLC with stakeholders and development teams, integrate DevOps and CI/CD practices, support operational tasks, ensure security and performance, drive feature development, conduct code reviews, and stay current with emerging technologies.

Lead architecture and engineering initiatives to design, build, and scale cloud-native, microservices-based applications on GCP. Guide stakeholders, author technical documentation, validate non-functional requirements, mentor engineers, drive POCs, and ensure security, accessibility, and data protection for consumer-facing healthcare solutions.

Lead design, implementation, and maintenance of scalable backend systems and services. Improve performance, reliability, and deployments; operate production systems (incident response rotation); conduct code reviews; mentor engineers; collaborate with product, sales, and customers.

Lead product and technical discovery for a new initiative, build prototypes and end-to-end MVPs, define metrics and decision processes, rightsize architecture for iteration and integrations, and engage customers for feedback while coordinating external PM/design/business stakeholders.

Lead backend development and operate services end-to-end: design, implement, deploy, monitor, and troubleshoot cloud-based back-end systems. Participate in on-call rotation, collaborate with frontend, CloudEng, and product teams, conduct code and security/privacy reviews, and mentor junior engineers.

Join as a full-stack software engineer to design, build, test, and deploy web applications. Write and debug code across application and data layers, participate in code reviews, and support the full software lifecycle including planning, requirements, QA, and documentation while collaborating with product and design teams.

Design, write, and execute automated tests (functional, performance, scalability, durability); build and maintain test frameworks; create integration and regression test cases; analyze failures, troubleshoot issues, measure test coverage, and collaborate with product and software engineers to improve software quality.

The Senior Software Engineer will modernize USPS shipping technology, refactor legacy systems for cloud integration, and develop high-performance services using Go, while collaborating with teams and addressing production challenges.

Design and implement scalable first-mile networking solutions for Microsoft 365 Substrate and COSMIC. Drive design, dependency identification, coding, optimization, debugging, and on-call monitoring. Analyze production telemetry to improve reliability, performance, and observability. Act as a DRI, lead design and release plans, and collaborate with stakeholders to meet product requirements at global scale.

Design and implement a software platform that validates and accepts new hardware racks into Microsoft datacenters. Own features end-to-end, model device types and workflows, improve concurrency, reliability, observability, and automation, and collaborate with hardware, firmware, networking, manufacturing, and datacenter teams to resolve system-level issues.

Design, develop, and maintain end-user applications; participate in full SDLC, write technical specifications, perform code analysis and reviews, mentor engineers, produce architecture and design artifacts, collaborate with stakeholders, and improve performance, scalability, and maintainability.

The Staff Software Engineer will develop customer-facing web applications, lead technical design, improve system performance, and mentor other engineers while exploring new technologies. The role focuses on enhancing healthcare outcomes through innovation.