Top Software Engineer Jobs in Louisville, KY

Designs and delivers complex cross-system integrations, APIs, automation workflows, and reusable engineering solutions. Diagnoses root causes, improves reliability, documents risks and runbooks, participates in on-call support, and partners with commercial, product, and engineering stakeholders. The role also mentors engineers and non-engineers, guides technical trade-offs, scopes ambiguous problems, and delivers measurable operational improvements.

Set technical direction for distributed messaging systems handling billions of messages daily. Make architecture decisions balancing scale, cost, and reliability; solve ambiguous cross-team problems; establish engineering standards; mentor senior engineers; improve processes and tooling; assess candidates; and use AI agents for multi-file software changes.

Owns Shopify checkout and post-purchase extensions, experimentation reporting, and revenue-critical APIs across PHP, TypeScript, MySQL, BigQuery, and Google Cloud. Designs secure REST services, investigates production issues, participates in on-call, and maintains unit and end-to-end testing without a separate QA handoff. The role requires Staff-level technical ownership, system-wide architectural judgment, AI-assisted development, mentoring, and collaboration in a remote, high-autonomy environment.

Designs and develops full-stack features for a network-management microservices platform. Responsibilities include building C#/.NET services, APIs, Kubernetes workloads, web interfaces, deployment automation, monitoring tools, and secure DevSecOps solutions. The role contributes to architecture, technical specifications, documentation, and AI-assisted development workflows while collaborating with product owners and external stakeholders.

Build and maintain healthcare software features using Elixir, React, and TypeScript. Fix bugs across the technology stack, configure local development environments, work with PostgreSQL, participate in code reviews and Agile planning, and collaborate with senior engineers, product, and design. The role includes mentorship and focuses on meaningful products supporting Medicaid care delivery teams.

Design and develop Rust and Go control-plane microservices, Kubernetes operators, reconciliation engines, and APIs for bare-metal AI infrastructure. Integrate datacenter networking systems, DPUs, network operating systems, and hardware-management platforms. Build observability with OpenTelemetry, troubleshoot distributed systems, and maintain rigorous testing practices. The role requires expertise in datacenter networking protocols, Linux networking, Kubernetes, provisioning, security, virtualization, and high-performance interconnects, along with architectural documentation and open-source collaboration.

Join Archy as a Senior Platform Software Engineer to enhance dental practice management through a scalable SaaS solution, focusing on cloud infrastructure, CI/CD pipelines, and AI integration.

Lead the architecture, development, and operation of enterprise-grade full-stack software for clinician-facing and performance-management experiences. Design distributed systems, drive technical initiatives, improve scalability and maintainability, adopt modern technologies, deliver iterative releases, and collaborate across organizations. Mentor engineers and establish strong engineering practices. The role requires polyglot programming, cloud platforms, modern front-end development, SQL, distributed systems, and production operations experience.

Provides hands-on technical leadership across product areas by defining architecture, engineering standards, and scalable system designs. Leads modernization, cloud transformation, platform scalability, developer productivity, and cross-team technical initiatives. Partners with product and engineering stakeholders, conducts design reviews, manages technical risks, and mentors engineers. Requires extensive experience with TypeScript, Node.js, C#, distributed systems, cloud platforms, DevOps, Terraform, and reliable enterprise software.

The Staff Software Engineer will shape technical direction, build developer platforms, and design AI agents, enhancing developer productivity and collaboration across teams.

As a Senior Software Engineer, you will design and build a cutting-edge identity search platform and implement AI systems for defense applications, working closely with cross-functional teams to enhance user workflows and support national security.

The Staff Software Engineer will lead technical strategy, ensure system availability, and develop backend systems at scale, collaborating across teams to drive capacity modeling and operational quality.

As a Senior Software Engineer, you will design and maintain systems, mentor team members, and improve both code quality and team practices.

Lead cross-pod technical direction and system design for high-scale backend services, embed AI-native development practices, collaborate with product and design, mentor engineers, and drive ambiguous initiatives from design through production.

Lead development and reliability of real-time and batch payment-processing systems across authorization, clearing, settlement, disputes, and card-network integrations. Build scalable, secure, low-latency services using Java, Python, Kotlin, and AWS; improve network peering infrastructure, failover, and capacity. Own initiatives from planning through launch, participate in on-call rotations, reduce technical debt, and drive cross-functional engineering improvements and strategic planning.

Own and develop Curri’s React Native driver applications across iOS and Android. Lead mobile features from problem definition through deployment and measurement, build offline-first capabilities, background geolocation, and push notifications, and debug native modules and production issues. Collaborate directly with drivers, operations, Product, and Design while contributing to full-stack work and AI-assisted development.

Lead development of decision logic engines and regulatory consultation workflows for a federal Endangered Species Act platform. Implement species routing, agency-specific templates, REST integrations, testing, defect resolution, documentation, and approved updates. Maintain code review and version-control standards while supporting government acceptance and production feedback.

Lead architecture updates and REST API integration for a federal environmental consultation platform. Implement cloud data integration, species display functionality, consultation logic, interoperability fixes, demo environment support, production deployments, and operational documentation. The role requires backend development, federal application integration, accessibility compliance, Git-based development, FedRAMP deployment knowledge, and the ability to obtain Public Trust clearance.

Build and maintain backend computation engines for solar and electrical design. Develop simulation and optimization systems for PV and battery storage layouts, component selection, and electrical configuration. Translate physical models into reliable, scalable software, shape computation infrastructure, write tested code, mentor teammates, collaborate cross-functionally, and own services through production and on-call support.

Modernize and maintain a large-scale React Native mobile app with offline-first architecture, BLE device integrations, data synchronization, and performance improvements. Influence architecture, mentor developers, collaborate across teams, and occasionally visit customer farms to understand workflows.

Build full-stack features and infrastructure analytics products to improve Netflix's cloud and AI efficiency. Design frontends (React/TypeScript), backend services/APIs (GraphQL/Node), shape data models, collaborate with analytics and data engineers, and own product direction from design through implementation.

Modernize and evolve a large-scale React Native mobile app with offline-first architecture, BLE device integrations, local data storage and sync. Improve performance, reliability, and scalability, influence architecture, mentor developers, collaborate cross-functionally, and occasionally visit farms to understand user workflows.

Designs and maintains Java and Spring Boot microservices for a secure, cloud-native foundation platform. Builds authentication and identity integrations using SAML, OAuth 2.0, OIDC, JWT, and RBAC; develops AWS infrastructure and resilient distributed systems; supports CI/CD, production operations, and on-call response. Provides technical leadership through architecture, code reviews, mentoring, and cross-functional collaboration while maintaining compliance with confidentiality, HIPAA, and regulatory requirements.

Own HUD’s production infrastructure and backend platform systems, focusing on reliability, scalability, performance, cost, deployment safety, and developer experience. Build AWS infrastructure with Terraform and Kubernetes, improve CI/CD and observability, design resilient services and asynchronous systems, manage incidents, and develop internal automation and tooling. The role supports high-availability AI, marketplace, and data-heavy workloads.

Develop and launch scalable web and mobile healthcare applications, APIs, integrations, and cloud infrastructure. Contribute to the technical roadmap, observability, security, compliance, and AI/ML infrastructure. Partner with the founding team and data science leadership to incorporate LLMs, support HIPAA and SOC 2 requirements, and build reliable products for patients and enterprise healthcare customers.