Top Software Engineer Jobs in Louisville, KY

The Senior Software Engineer will lead teams to build secure, high-scale cloud applications, ensuring system reliability and delivering software solutions.

Design, build, test, and maintain production services and microservices with security and compliance in mind. Deliver production-ready code, participate in code reviews, own operational support and incident response, improve monitoring and CI/CD, document technical decisions, and collaborate cross-functionally in a distributed team.

Build responsive Angular TypeScript frontends and .NET Core backends, implement CQRS/MediatR/Onion Architecture patterns, create and consume GraphQL APIs, use AI-assisted development tools, write automated tests, collaborate with cross-functional teams, participate in code reviews and Agile ceremonies, and support CI/CD delivery.

Design, develop, and maintain web and mobile features using React/React Native. Build scalable backend services (C#, TypeScript, Ruby on Rails) and RESTful APIs. Work with AWS (ECS/EKS/Lambda), Terraform, Kafka/Debezium, and databases. Collaborate with product and design, follow CI/CD and best practices, and operate autonomously.

Contribute to full-stack features for Hatch and Unity, write, test, and ship reliable code, use AI tools responsibly, participate in code reviews, learn Elixir/Phoenix, and work with teammates and end users to solve product problems.

Design, develop, support, and maintain enterprise applications and integrations using jBase and Java. Build and troubleshoot APIs, EDI/cXML/JSON transactions, secure data transfers (HTTPS/SFTP), automation scripts, and production-support processes. Collaborate with stakeholders, perform code reviews and deployments, document solutions, and lead small workstreams to improve reliability and operational efficiency.

Build and maintain scalable full-stack systems and APIs, collaborate with PMs and engineers to design and ship features, optimize performance and Core Web Vitals, participate in code reviews, write engineering requirements, and work with infrastructure, monitoring, and third-party engagement platforms.

Lead architecture and implementation of software for autonomous UAS systems; mentor engineers; ensure compliance with aerospace standards; optimize CI/CD pipelines.

As a Software Engineer at Realm, you will develop backend services, create web and mobile UIs, and deploy tech at industrial sites. You will solve real-world challenges using various technologies and work with top leadership to build a stellar engineering team.

Design and implement DataPath on silicon. Write efficient, modular code with thorough testing. Requires experience in packet forwarding and virtualized Linux environments.

As a Senior Fullstack Software Engineer at Vanta, you will lead complex projects, set technical direction, design and develop new functionalities, and contribute to the engineering culture while mentoring other engineers.

Design, develop, and maintain backend services and APIs for Speechify, focusing on performance, scalability, and user experience while collaborating with cross-functional teams.

Develop automated solutions for material handling, including software design, integration, testing, support, and project management, primarily in back-end development.

The Senior Web Software Engineer will build and maintain web components, own features from inception to production, implement designs, partner with teams, and impact product evolution.

The Senior Mobile Software Engineer will develop user-facing features for a cross-platform app, ensuring code quality and functionality throughout the entire lifecycle of features.

As a Senior Backend Software Engineer at Step, you'll own features from inception to production, improve Kotlin services, ensure code quality, and work collaboratively in a small team.

The role involves designing authentication and authorization solutions, integrating applications with identity platforms, and maintaining security practices within identity services. A focus on collaboration with Security and Product teams is important.

As a System Software Engineer, you will enhance GCC/LLVM toolchains for Ubuntu, ensuring modern C/C++ features and improving developer experiences through collaboration and high-quality coding.

The role focuses on optimizing coding practices and collaboration within the engineering team, improving internal tooling, and communicating between teams and leadership.

Design, build, and optimize Java-based data pipelines and integrations from SQL/NoSQL and cloud sources. Create BI dashboards and automated reports, design storage for structured/unstructured data, document processes, and follow production deployment best practices to deliver actionable analytics.

Design and build cloud-native ETL/ELT pipelines and microservices, modernize on-prem systems to distributed services, implement authentication/authorization and data governance, ensure data quality and observability, drive architecture and CI/CD best practices, mentor engineers, and collaborate with stakeholders across a US Navy-focused defense program.

Design, build, and maintain compliance program workflows, carrier integrations, frontend UIs and backend APIs for high-volume, highly available messaging systems. Develop scalable solutions, operate cloud services, collaborate cross-functionally, and drive architecture and quality improvements.

Build and maintain WordPress-based customer websites for bookings and reservations. Implement custom themes, plugins, and integrations with Newbook via REST APIs. Use AI-assisted development tools to accelerate coding, testing, debugging, and documentation. Collaborate on architecture, CI/CD interactions, performance, accessibility, SEO, and security. Write tests, reduce technical debt, and work cross-functionally to deliver reliable production software.

Design, implement, and operate large-scale, low-latency cloud data processing systems on OCI. Contribute across the software lifecycle, optimize data pipelines, ensure high availability and disaster recovery, and collaborate on design, deployment, monitoring, and production support.

Design, develop, and operate monitoring and observability solutions for flagship supercomputers. Build data pipelines to process large telemetry and logs, respond to incidents, implement mitigations, write postmortems, and improve reliability, performance, and operational runbooks at scale.