Top Senior Software Engineer Jobs in Columbus, OH

Provides principal-level technical leadership across engineering teams, shaping architecture, engineering standards, scalable software solutions, and delivery practices. The role combines hands-on software development with design reviews, technical decision-making, mentoring, CI/CD and platform improvements, system reliability, and cross-team collaboration. It also partners with product and design stakeholders and may lead high-impact initiatives. Remote work is available with required quarterly travel to Tampa, Florida.

Owns end-to-end test strategy, designs scalable backend and UI automation frameworks, integrates automated testing into CI/CD pipelines, performs exploratory testing, and advocates for testability and reliability across engineering and product. The role requires strong programming, Kubernetes and distributed-systems knowledge, debugging ability, and cross-functional ownership in a fast-moving startup.

Lead engineering for a hyperscale deployment platform serving Microsoft 365 services. Design and deliver scalable deployment features across the full software lifecycle, mentor engineers, and drive automation and AI-powered solutions that improve reliability, efficiency, performance, and operational excellence. Collaborate with product managers and partner teams while ensuring high-quality, maintainable, production-grade software.

Develop custom Salesforce solutions using Apex, Lightning Components, Visualforce, Flows, Lightning Web Components, and integrations to meet business requirements. Collaborate with cross-functional teams to build technology that connects libraries and makes knowledge accessible worldwide.

Design, build, test, deploy, and support scalable full-stack software for digital mortgage and homeownership products. Own technical projects, design reliable systems, optimize performance, contribute to CI/CD and observability, apply secure development practices, and use AI-assisted tools. Collaborate with Product, Design, QA, and engineering partners; mentor engineers, conduct code reviews, document decisions, manage risks, and influence architecture and engineering practices.

Develop and document enterprise-grade SaaS platform functionality while improving quality and performance. Responsibilities include full-stack development, functional and unit testing, defect triage, code reviews, API and process documentation, operational support in regulated environments, and collaboration within Agile and DevOps teams. The role requires expertise in C#, ASP.NET Core, T-SQL, Entity Framework Core, web technologies, software design, debugging, distributed architectures, and high-performance APIs.

Lead technical direction for a central infrastructure team supporting all product engineering. Design and maintain AWS infrastructure, Terraform modules, CI/CD workflows, observability, security, networking, cost-visibility tooling, and operational platforms. Coordinate multiple initiatives, improve reliability and incident response, establish paved roads adopted by feature teams, guide infrastructure strategy, and coach engineers across the organization.

Build and own end-to-end AI observability capabilities, including data ingestion, infrastructure, data models, and product visualizations. Develop systems that surface cost, token usage, errors, and anomalies across AI agents. Collaborate with product and design, ship customer-facing SaaS features, guide best practices, and iterate through experimentation. Participate in an on-call rotation after approximately 90 days.

Build and optimize distributed Lance dataset operations, high-performance indices, table formats, and data encodings in Rust. Develop integrations with Spark, Hive Metastore, Presto, Trino, Ray, and other data infrastructure systems. Improve internal data processing infrastructure, contribute to open-source communities, and promote Lance through technical conferences. The role requires deep distributed systems expertise and extensive experience with high-performance databases, big data, or AI training systems.

Build and maintain premium mobile features, subscription and in-app purchase flows, paywalls, pricing experiences, and advertising functionality for Life360’s consumer app. Own feature quality, performance, reliability, experimentation, and incident response at 100M+ user scale. Collaborate with product, design, data science, and analytics teams; use AI coding agents extensively; contribute to architecture and code reviews; mentor engineers; and help evolve AI-native engineering practices.

Own end-to-end verification and validation for complex cloud-native software systems. Design comprehensive testing strategies, build scalable backend and frontend automation frameworks, identify coverage gaps, perform root cause analysis, integrate tests into CI/CD pipelines, and improve testing efficiency. Apply AI-assisted tools to testing and debugging, evaluate emerging AI capabilities, mentor engineers, and raise quality standards across teams.

Evaluates AI coding-agent interactions for technical quality, engineering judgment, reasoning, explanations, and user trust. Provides detailed written and recorded feedback, distinguishes response quality levels, and helps define standards for tools such as Codex, Claude Code, and Cursor. This remote contract requires strong TypeScript, JavaScript, or Python experience, familiarity with AI-assisted development workflows, and senior-level engineering judgment.

Evaluate AI coding agents such as Codex, Claude Code, and Cursor for engineering judgment, response quality, reasoning, explanations, and usefulness. Provide clear written and recorded feedback, distinguish quality levels, and help define standards for excellent AI-assisted development interactions. This contract role requires senior-level software engineering experience, strong Python or TypeScript/JavaScript skills, familiarity with modern AI development workflows, and excellent English communication.

Evaluate AI coding-agent interactions for correctness, usefulness, engineering judgment, explanation quality, and user trust. Provide clear, opinionated written feedback, distinguish response-quality levels, and help define standards for tools such as OpenAI Codex, Claude Code, and Cursor. The role requires senior-level software engineering experience, strong TypeScript/JavaScript or Python skills, hands-on AI-assisted development experience, excellent English communication, and the ability to assess code without executing or reviewing every line.

Build and operate full-stack certificate management, security, monitoring, and vulnerability products. Develop TypeScript APIs and React frontends, design MySQL schemas, manage AWS workers and Kubernetes infrastructure, maintain legacy .NET and Python services, integrate partner APIs, improve CI/CD and observability, participate in on-call support, and develop AI-assisted features. The role includes code reviews, testing, incident resolution, technical documentation, and mentoring engineers.

Develop performant, standards-compliant Firefox layout and Asynchronous Pan and Zoom features across multiple platforms. Responsibilities include writing and optimizing multithreaded C, C++, or Rust code; debugging rendering and interaction issues; developing layout, graphics, algorithms, and tools; reviewing code; testing and triaging bugs; and contributing to long-term open-source projects.

Develop and maintain high-performance, standards-compliant Firefox layout and rendering functionality, with a focus on Asynchronous Pan and Zoom. Responsibilities include implementing algorithms and user interaction techniques, debugging and optimizing multithreaded code, reviewing code, testing and triaging bugs, and collaborating on long-term platform development across Android, Windows, Linux, and macOS.

Build and operate Linux and Kubernetes infrastructure for Azure Front Door’s globally distributed edge fleet. Design, implement, validate, and deploy platform capabilities; optimize performance, reliability, scalability, security, and operations; investigate production issues; develop automation and engineering tools; and provide technical guidance through reviews and knowledge sharing.

Design and scale Cohere’s Model Vault backend and inference platform. Lead architecture for authentication, deployments, billing, metering, customer lifecycle, and cloud control-plane services. Build reliable distributed systems with strong guarantees for security, privacy, consistency, isolation, observability, and failure recovery. Drive technically complex initiatives from threat modeling and architecture through implementation, production rollout, operations, and iteration at enterprise scale.

Develop and support software applications, REST and ASP.NET web services, distributed systems, data integrations, and storage solutions. Analyze requirements, optimize performance, resolve application issues, implement security and data protection, and collaborate with product, business, and QA teams. The role includes technical documentation, quality reviews, managing competing priorities, and mentoring less experienced developers.

Modernize and develop a large-scale React Native mobile application with reliable offline-first functionality, local data storage, synchronization, BLE device integrations, scalability, and strong performance. The role includes shaping architecture, improving engineering practices, collaborating cross-functionally, mentoring developers, providing technical leadership, and visiting customer farms to understand workflows. Requires extensive mobile development experience and occasional U.S. travel.

Build and maintain full-stack software for startup clients, including backend services, frontend experiences, new features, redesigns, bug fixes, and product improvements. Collaborate daily with product managers, designers, and engineers in a distributed, agile environment. Take ownership across the technology stack, write clean maintainable code, contribute to client missions, and support team growth and knowledge sharing.

Develop and maintain PowerUp Sports’ software platform, build and release new features, integrate technologies, optimize PHP applications on Azure, manage SQL Server databases, participate in code reviews, mentor junior developers, and support scalable, reliable architecture.

Design, build, and operate scalable backend services and APIs. Develop integrations, shared data APIs, metrics storage, ETL pipelines, and AI-enabled product features. Diagnose reliability and performance issues, improve developer experience, and advance engineering practices. Collaborate with engineers, clients, and non-technical stakeholders while working effectively in a fast-changing startup environment.

Develop and modernize a production React Native mobile application supporting offline-first workflows, BLE device integrations, synchronization, scalability, performance, and reliability. Design and maintain application features, contribute to architecture and engineering standards, collaborate cross-functionally, mentor developers, provide technical leadership, and engage with farm customers. Occasional travel to customer locations is required.