Top Software Engineer Jobs in Louisville, KY

The Senior Software Engineer will design, build, and maintain CI/CD pipelines, improve automation workflows, and mentor junior engineers in a security-focused development environment.

Lead technical strategy and execution for multi-quarter initiatives; build and maintain AI-driven systems; mentor and raise the technical bar across teams; collaborate cross-functionally; ensure data security and HIPAA-compliant practices; operate in an AWS + Kubernetes environment while introducing new technologies as system load grows.

Lead technical strategy and architecture for Coinbase's Blockchain Platform, overseeing nodes, indexers, wallets, and asset lifecycle. Drive cross-team platform rearchitectures, enforce security and reliability standards, champion AI-driven automation, use observability to improve reliability, and represent the platform to executives to secure alignment and resources for large-scale blockchain infrastructure initiatives.

Define and drive Payments technical strategy and architecture for rails, routing, and funds-flow systems. Lead large cross-team initiatives, ensure financial correctness, improve reliability and cost via observability, mentor senior engineers, and align stakeholders across product, risk, and regulatory teams.

Lead design and implementation of Affirm's Lakehouse Platform using Iceberg, Spark, Snowflake, and cloud storage. Drive platform roadmap, governance, access controls, performance and cost optimization, analytics engineering best practices, observability, and on-call readiness. Partner cross-functionally, mentor engineers, and build scalable, secure, self-service data infrastructure and semantic/agentic data tools.

Design, build, and iterate patient onboarding systems and registration/eligibility flows. Own end-to-end projects, run experiments, optimize for performance, correctness, and resilience, and provide technical leadership, mentoring, and cross-functional collaboration with Product, Design, and Analytics.

Develop and maintain scalable investment portfolio management systems. Collaborate with cross-functional teams to ensure system correctness and client trust, focusing on complex domain logic.

As a Senior Full-Stack Engineer, you will design and deploy solutions for state governments, ensuring high standards of security and privacy while leading cross-functional teams.

As a Full Stack Software Engineer at Reacher, you'll own product features end-to-end, design scalable systems, mentor engineers, and lead architectural decisions in an AI-driven environment, focusing on both backend and frontend development.

Reacher seeks a Full Stack Software Engineer to lead product features, design scalable backend systems, mentor engineers in AI-native workflows, and enhance user experiences across the tech stack.

Develop and maintain Java applications for DoD systems, focusing on backend services, REST APIs, and microservices, while ensuring security and performance.

Build and scale backend systems and APIs for Segment CDP, collaborate with product and design, identify performance bottlenecks, improve reliability, participate in on-call rotation, and drive architectural decisions balancing velocity and stability.

The Staff+ Software Engineer will shape the technical direction, mentor junior engineers, and lead complex software system development while collaborating effectively with cross-functional teams.

The Full Stack Software Engineer will develop, innovate, and maintain features for a SaaS platform using technologies like React and Python, contributing to a collaborative team to enhance product performance.

Develop, maintain, and operate Mission Control web app and supporting microservices for satellite operations. Design and implement HTTP APIs, deploy critical infrastructure, and improve automation. Collaborate with cross-functional teams to ensure satellite scheduling, telemetry processing, and operational tooling meet mission needs. Support CI/CD, testing, and database-backed services.

Build, maintain, and operate cloud-based services and automation for satellite operations. Manage infrastructure, design/deploy critical systems, support microservices and CI/CD workflows, ensure reliability and SLAs, collaborate with cross-functional teams to minimize operational burden and automate satellite operations.

Develop and maintain backend services and RESTful APIs using .NET Core/.NET 5+, collaborate with React frontend teams, write unit and integration tests, query SQL Server/PostgreSQL databases, participate in code reviews and agile processes, and use AI-assisted development tools to improve productivity.

Contribute to the design and implementation of SMTP relay infrastructure, ensuring performance and reliability for email services and collaborating with teams to meet customer needs.

Architect, develop, test, and operate .NET (C#) back-end services and RESTful APIs for a multi-tenant SaaS identity platform. Design and maintain SQL Server data layer, contribute to Azure-hosted deployments and CI/CD pipelines, perform code/design reviews, mentor peers, and collaborate with product, architecture, and DevOps teams.

The Software Engineer II will build product features for financial services, focusing on user-facing features, backend services, and collaborating with the product team in a remote environment.

Build and architect insurance and data infrastructure for eligibility, verification, and claims. Lead partner implementations to get employers, health plans, and channels live. Make technical decisions at the 0-to-1 stage, write clear documentation, maintain production systems, and use AI tools to scale impact on a fully remote team.

Design, build, and operate multi-tenant elastic storage control-plane services. Ensure high availability and performance, run observability and on-call practices, lead complex projects, collaborate cross-functionally, mentor junior engineers, and contribute to scaling services handling petabytes of data.

The Senior Software Engineer will design and build scalable AI/ML backend systems, develop data pipelines, and collaborate with cross-functional teams to implement ML-driven features while ensuring system performance and documentation.

Design and build scalable, reliable backend systems and third-party integrations for provider-patient workflows and telehealth. Drive development lifecycle, solve complex technical challenges, and collaborate cross-functionally to ensure performance, security, and availability.

As a Senior Software Engineer in ZT1, you will lead backend system development, manage projects, and influence product direction in a fast-paced, AI-centric environment.