Top Software Engineer Jobs in Buffalo, NY

Design, architect, and implement cloud-first full-stack software using Java/C# and JavaScript frameworks. Provide technical leadership, mentor engineers, improve architecture and performance, promote CI and automated testing, and support customer implementation and cloud platform operations.

Design, implement, and maintain custom test frameworks for Illumina's primary analysis software. Create and expand automated tests, troubleshoot CI/CD pipelines, investigate failures, collaborate with developers to diagnose root causes, and ensure tests are reproducible, documented, and maintainable as analysis capabilities evolve.

Design, build, and own disposable isolated microVM sandboxes and related runtime infrastructure for AI coding agents. Improve reliability, performance, and security across macOS, Windows, and Linux; lead architecture, mentor engineers, engage open-source communities, participate in on-call rotations, and collaborate with Product and adjacent teams.

Lead design, build, and operation of AI-powered product features across backend, frontend, and AI systems. Make architecture decisions, drive production deployments, improve code quality and reliability, mentor engineers, and own features end-to-end.

Provide technical leadership and hands-on engineering across AI, data, backend, and frontend systems. Drive architecture, remove technical risks, set engineering standards, mentor senior engineers, and influence cross-team technical direction.

Lead company-level technical direction for an AI-native insurance platform. Own architecture across AI, data, infrastructure, and product; resolve high-impact technical decisions; establish org-wide engineering standards; and mentor senior engineers while partnering with founders to shape long-term technical vision.

Lead architecture and implementation to scale a large Kubernetes-native microservice platform into cell-based deployments. Decompose services, build shared libraries and configuration frameworks, enable private/isolated cloud deployments, land changes in product services, set architecture patterns, partner with Cloud Platform/SRE/DevEx, mentor senior engineers, and embed AI tooling into development workflows.

Design, build, and maintain cloud-native applications using .NET and React. Develop backend services, APIs, and front-end interfaces while ensuring system stability and scalability. Collaborate across teams to improve healthcare solutions through software and AI-powered tools.

As a Senior Software Engineer, you'll design and build scalable market data systems, improve API architecture, and enhance overall system performance, contributing to Alpaca's infrastructure for trading financial assets.

Develop high-reliability software for safety-critical applications in UAS technology. Collaborate with teams, maintain solutions, and automate processes.

As a Senior Software Engineer, you will design and develop user-facing products and back-office tools while collaborating with diverse teams to solve complex problems with innovative solutions.

The role involves owning the email channel's infrastructure, developing frontend experiences, designing backend systems, and ensuring deliverability in a cloud-native environment.

As a Senior Software Engineer, you'll design and build distributed systems in Go, collaborate across teams, and ensure performance and reliability at scale.

As a Senior Software Engineer, you will work across the stack to create scalable and reliable systems for tracking freight intelligence, influencing architecture, mentoring, and collaborating with various teams.

As a Staff Software Engineer, you'll enhance the release and configuration systems across environments, optimize release pipelines, and provide tooling for reliable deployment, ensuring consistency and scalability while collaborating with various engineering teams.

Responsible for designing, developing, testing, and supporting software products. Involves leading sprints, managing databases, and ensuring code quality.

Own and deliver reliable, secure software in a regulated healthcare environment. Drive solutions from ambiguity to production, build automation to reduce developer toil, mentor engineers, champion AI-assisted coding, and optimize database performance and schemas.

As a Staff Software Engineer, you will develop core banking experiences, craft user flows, build APIs, and integrate third-party software, ensuring high-quality, well-documented, and test-driven code.

Responsible for enhancing client integrations and backend services, focusing on performance, documentation, and architectural challenges in a remote-first environment.

Develop core experiences for bank administrators and customers by writing clean, documented code, creating robust APIs, and integrating with third-party services.

The Sr Staff Software Engineer will build core banking experiences, craft user flows, robust APIs, and integrate with third-party software, requiring significant back-end development experience.

The Staff Software Engineer will develop user experiences and APIs for banking applications, focusing on code quality, system design, and team mentorship.

As a Senior Staff Software Engineer, you will lead the design and development of AI-powered products, mentor team members, and architect backend systems using Python and modern frameworks while ensuring code quality and optimizing performance.

As a Staff Software Engineer at Juniper Square, you'll lead architectural decisions and develop AI-powered systems, mentoring engineers and ensuring high-quality technical standards while collaborating with cross-functional teams.

As a Staff Software Engineer, you'll design and build backend services, lead system design efforts, mentor engineers, and ensure system quality and reliability.