Top Senior Software Engineer Jobs in Louisville, KY

Design, build, and maintain Kotlin APIs; optimize distributed pacing and ad delivery systems; mentor teams and ensure engineering quality; collaborate on scalable solutions.

Design and build high-throughput database integrations and data-intensive systems. Ensure end-to-end reliability, debug production issues, improve tooling and observability, participate in on-call rotation, collaborate with customers and cross-functional teams, and drive product and open-source innovation.

Responsible for designing, building, and operating AI-powered features, scalable APIs, and maintaining integrations within ClickHouse's AI/ML ecosystem.

The Sr Software Engineer I will enhance the affiliate link optimization platform, develop distributed systems, ensure high code quality, and collaborate across teams to drive innovative solutions in a fast-paced environment.

Lead design, develop, test, and deploy large-scale software systems. Collaborate with product, design, and engineering teams; write scalable TypeScript/Node.js code; resolve defects and performance issues; perform code reviews; mentor engineers; improve CI/CD and IaC processes; and stay current on technologies.

As a Senior Software Engineer, you will develop and optimize high-performance APIs, ensuring reliable, low-latency access to user data and collaborating closely with various teams on essential API infrastructure.

As a Principal Software Dev Engineer, lead full-stack engineering, oversee complex initiatives, mentor engineers, and align technical strategies with business goals to enhance content management systems.

Design, build, and maintain scalable full‑stack systems and APIs. Extend products to handle large datasets, reporting, and third‑party/Microsoft Graph integrations. Write secure, testable production code, participate in code reviews, troubleshoot performance issues, and mentor engineers. Own features end‑to‑end from design through deployment using CI/CD and DevOps practices in a distributed team.

Lead design and implementation of Pinterest Edge systems (CDN, TLS, DNS, proxies) to manage automation traffic and rate limiting at scale. Develop request-processing logic in Envoy, collaborate with vendors and platform teams, mentor engineers, use AI to accelerate workflows, and participate in on-call incident response and reliability improvements.

Lead design and implementation of scalable backend solutions, collaborate on requirements and specs, troubleshoot complex technical issues, conduct and lead code reviews, ensure rigorous automated testing, leverage AI tools to improve workflows, and support high-volume transactional processing.

Design, build, and operate secure, scalable cloud infrastructure and platform capabilities. Implement IaC, improve CI/CD, observability, and automation. Lead incident response, reliability, and DevSecOps practices. Mentor engineers, drive platform standardization, document runbooks, and participate in a 24/7 on-call rotation to support production systems and remediation of systemic infrastructure issues.

Design and maintain low-latency, high-scale data pipelines handling billions of daily assets. Implement and optimize backend services, tune Postgres and pub/sub systems, migrate services toward Go, and operate cloud infrastructure (AWS, EKS). Collaborate cross-functionally with Hardware, ML, Web, Mobile, and Data teams, mentor engineers, and drive reliability, scalability, and feature development for pipeline services.

Lead design, build, and operate scalable backend services and carrier integrations. Provide technical leadership, mentor engineers, drive architecture and best practices, write and test code, troubleshoot production incidents, and improve monitoring and reliability while collaborating with product and cross-functional teams.

Improve performance and scalability of web applications by identifying and resolving front-end and back-end bottlenecks. Optimize load times, API responses, and database queries; develop scalable features across the stack, monitor performance, conduct code reviews, troubleshoot production issues, and collaborate with product, design, and engineering teams.

The role involves developing and optimizing core components of the Flow blockchain protocol, focusing on performance, scalability, and reliability, while also ensuring interoperability with the web3 ecosystem.

Lead implementation of software safety programs for underwater robotic/autonomous vehicles per MIL-STD-882. Produce safety plans and assessments, perform hazard analyses, track coverage metrics, catalog safety artifacts, review software independently, and present findings at reviews and customer meetings. Coordinate across programs and support demanding schedules with occasional travel.

Lead technical delivery of Enterprise Content Management (ECM) solutions, guiding design, development, integrations, CI/CD, automated testing, and cloud modernization. Provide hands-on .NET development, incident resolution, operational readiness, and coach engineering teams while ensuring security, retention, and governance for content services.

Design, build, and maintain Elixir and React features for PDQ Connect; ship frequently in CI/CD; troubleshoot incidents and support cases; prototype and influence technical decisions; participate in code reviews and mentor teammates.

Lead the design and implementation of end-to-end quality systems and testing frameworks. Own multiple testing layers (unit, integration, E2E, contract, performance, chaos), integrate automated tests into CI/CD, drive load/performance testing and monitoring, troubleshoot failures, apply AI tooling to improve workflows, and collaborate with engineers, PMs, and designers to improve coverage and reliability.

The Senior Software Engineer will design and maintain internal systems and automations for sales and marketing, focusing on integrations with CRMs and data management.

The role involves building decision science libraries and tools for mineral exploration, collaborating with teams to improve decision-making processes.

Build and maintain test automation, performance testing and analysis tooling for a distributed database (primarily in Python). Collaborate with stakeholders to create reproducible tests, extend developer tooling, and produce documentation and runbooks for maintainers and developers.

Lead platform reliability: define SLOs/error budgets, own observability and deploy pipelines, harden integrations with dental systems, operate LLM-driven workflows safely, build incident practices, and raise engineering reliability across the company.

Architect, implement, and optimize cloud-based solutions; mentor junior engineers; design and deploy automated, production-grade systems; monitor cloud health and resolve incidents; apply cloud security best practices and healthcare compliance to ensure reliable, scalable infrastructure.

Build and maintain a customer-hosted full-stack web application: develop UIs and backend services, deliver production features, fix bugs and technical debt, improve development processes and pipelines, and collaborate with UX, Product, QA, and Customer Success to meet customer needs.