Top Senior Software Engineer Jobs in Louisville, KY

Design and maintain real-time vehicle-tracking, map-matching, ETA prediction, and disruption-detection systems. Build and scale real-time data pipelines, cloud backend services, and APIs. Develop infrastructure for algorithm validation and shadow testing, collaborate across product and design to prototype and deliver end-to-end features, and apply modern engineering practices through code reviews, pairing, and documentation to ensure reliable production systems.

Lead technical projects, collaborate with cross-functional teams, mentor junior engineers, and drive improvements in development practices in a cloud-based analytics platform.

Own server-side and infrastructure for Fool.com using Next.js and TypeScript. Build route handlers, server components, API integrations, caching (Redis/Cloudflare), AWS/Docker deployments, observability with DataDog, and end-to-end tests with Playwright. Optimize SEO crawler surface, sitemaps, canonicalization, and collaborate with front-end, content, and platform teams.

Design and develop high-performance services and APIs, focusing on cloud-based applications using Golang and Python, while ensuring code quality and security.

Lead design, development, and implementation of complex software systems for life & annuity policy administration. Provide technical leadership, mentor engineers, architect scalable mainframe solutions, troubleshoot critical issues, and collaborate with stakeholders to meet performance, reliability, and security goals.

Design, implement, and maintain cloud-native full-stack software to migrate, preserve, and make large volumes of government records searchable and accessible. Build Section 508-compliant frontends and secure backend APIs, follow API-first and CI/CD practices, defend against vulnerabilities, mentor engineers, and collaborate with cross-functional teams to deliver reliable, performant systems.

Lead Software Engineer responsible for designing, developing, testing, and maintaining a distributed processing application using Python and Java. Collaborate with product owners, data coaches, analysts, DBAs, and Agile teams to meet backend/frontend requirements, implement cloud and big-data solutions (Spark/Hadoop), and ensure program standards and reliable delivery.

Build and own mission-critical full‑stack features for a cannabis ERP and commerce platform. Work across product, design, and support to deliver high-quality code, tests, and AI-native workflows; define timelines, communicate progress, and ensure data integrity and compliance.

Build and ship full‑stack, behavior-driven growth experiments and user experiences to increase activation, retention, and expansion. Implement end-to-end A/B tests and feature flags, instrument analytics, analyze results, and collaborate with Product, Design, Marketing, and PLG. May participate in on-call rotation to support production services.

Design and build scalable backend components and indexing pipelines for semantic and hybrid retrieval, build retrieval orchestration and knowledge-graph services, improve retrieval quality via evaluation and observability, design APIs, and optimize latency, throughput, cost, reliability, and security for large-scale AI inference and retrieval workloads.

As a Senior Software Engineer, you'll design and implement full-stack features, develop AI-driven workflows, and ensure code quality for a dental billing platform while collaborating with users to address their needs.

Lead architecture and build scalable, secure production services while championing AI-native development. Mentor engineers, influence technical direction, review PRs, and help evolve a legacy monolith to a modern stack in partnership with product and exec leadership.

The role involves building data processing pipelines, deploying cloud technologies, and writing code in a Kubernetes environment, focusing on big data technologies.

Design, build, and maintain backend systems for metrics and monitoring, collaborate across teams, and debug production incidents.

Design and build core systems for a new application using Solana's infrastructure. Focus on low-latency, reliable services, and implement security measures.

Lead end-to-end platform engineering projects to build and operate a multi-tenant data lakehouse and scalable compute infrastructure, partner with cross-functional teams, improve reliability/observability, support platform users, and drive platform usability and ML/analytics enablement.

Design, develop, and optimize data infrastructure, focusing on GCP, ETL/ELT workflows, and data governance, while collaborating with cross-functional teams.

As a Senior Software Engineer at PerfectServe, you'll design, build, and maintain high-quality code for healthcare communication systems, mentoring junior engineers and collaborating across teams to improve patient care and clinical workflows.

The Senior Software Engineer will develop and maintain Ditto's React Native SDK, ensuring ease of use for developers, debugging across platforms, and collaborating with other SDK teams.

The Software Engineer, Mobile Transports will advance Ditto's mobile transport technologies focusing on networking performance and reliability across platforms. Responsibilities include designing, implementing, and optimizing mobile transport infrastructure, collaborating with teams, and monitoring system performance.

As a Distributed Systems Engineer, you'll design and evolve LiveKit's core systems, implement resilient architectures, and enhance reliability and developer velocity, working on critical features in production environments.

Lead technical strategy and architecture for Attentive's AI-assisted developer platform and productivity systems. Build and scale CI/CD, local dev environments, CLI tooling, service scaffolding, and orchestration layers across a large Java/Spring Boot Gradle monorepo on AWS. Drive cross-team adoption, author RFCs/ADRs, mentor engineers, and improve developer productivity, reliability, and scalability of internal tooling and AI-assisted workflows.

As a Senior Software Engineer, you will develop efficient systems to enhance healthcare delivery and collaborate with various teams to innovate features for patient care tools.

Join Vanta as a Senior Software Engineer to lead and mentor teams, driving projects on identity systems and improving security infrastructure.

Lead design and implementation of scalable APIs and agent communication layers for an AI-agent driven advertising marketplace. Build high-throughput backend systems, integrate agent frameworks and adtech partners, drive architecture for authentication and protocols, mentor engineers, and prototype agent communication patterns while collaborating with product and design.