Top Senior Software Engineer Jobs in Buffalo, NY

The Senior Software Engineer will develop scalable systems for cash delivery, improve developer workflows, and collaborate with teams to enhance program delivery.

Design, build, and deploy scalable contracts management features using Python and AWS. Collaborate with teams to implement backend services and maintain a growing React project.

As a Senior Software Engineer at Cribl, you will contribute to building and delivering improved cloud services, solve infrastructure issues, implement product roadmaps, and ensure software quality and reliability. You will work autonomously within a distributed team and engage with product development, focusing on creating scalable and reliable infrastructure solutions.

Design, build, and maintain a TypeScript-based shared front-end design system and component library. Develop framework-agnostic Web Components, Node.js build/test/release tooling, ensure accessibility and quality standards, produce documentation and enablement materials, support internal consumers, and collaborate with product, design, QA, and engineering teams to uphold UI standards and release practices.

The Senior Software Engineer II will design and build backend features, evolve AI-native workflows, and enhance the payment infrastructure while collaborating closely with product teams to deliver high-quality solutions.

Design, build, and operate production AI systems, enhance backend services, improve reliability, and collaborate on technical projects within the AI-native engineering team.

As a Senior Software Engineer, you will develop core data pipeline components for an AI-native data warehouse, oversee feature delivery, and ensure data quality and reliability.

As a Staff Software Engineer, you'll design and deliver a core data platform, focusing on architecture, pipeline components, and AI integration. This hands-on role emphasizes creating production code and establishing technical standards within a small team.

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.

The Senior Software Engineer will work across Finance and Business Operations to build systems that enhance visibility and manage costs, while maintaining a business-embedded approach to engineering.

The Senior Software Engineer will lead the design and development of core capabilities for SingleStore's data platform, focusing on high-performance systems and mentoring other engineers. This includes solving system-level problems and implementing scalable solutions in a collaborative environment.

Seeking a Senior Software Engineer to design and deliver core capabilities for a cloud-native data platform, leading projects and mentoring engineers.

The Staff/Principal Software Engineer will work in a remote global team, addressing software engineering challenges while fostering collaboration and clear communication.

Design, develop, and maintain scalable software solutions. Collaborate with teams to troubleshoot issues and enhance the software delivery lifecycle. Focus on backend services, using Java and various tools for performance optimization.

The Senior Software Quality Engineer will architect the automated QA framework for WISEcode's platform, focusing on quality engineering practices, automated testing for ASP.NET and Blazor applications, CI/CD integration, and collaboration with engineering teams to ensure robust quality standards are met.

As a Senior Software Engineer at SmithRx, you will design, develop, and maintain back-end architecture for our product suite using various programming languages, collaborate with stakeholders, ensure high-quality software, and mentor junior team members.

As a Senior Engineer on the Frontend Platform team, you will develop web components, improve shared architecture, and manage AWS resources, ensuring high-quality development across Ancestry's web services.

Design and develop scalable backend systems for SaaS applications, mentor engineers, and lead projects while collaborating with cross-functional teams.

Own enhancement, maintenance and production support of mainframe applications using COBOL, CICS, JCL and VSAM. Lead systems analysis, design, development, testing, deployments via automated DevOps pipelines (IDZ), mentor junior staff, produce technical documentation, and ensure compliance with risk and regulatory standards.

Lead technical direction for the Growth team at Sanity.io, focusing on scalable solutions, mentoring engineers, and making data-informed architectural decisions.

Own and modernize iHerb's product catalog across backend, React frontend, and relational data. Build end-to-end features, use AI-driven SDLC tools, write automated tests, ensure observability, participate in on-call incident response, and contribute to shared engineering standards.

As a Principal Software Engineer at Fetch, you'll design scalable systems for user engagement, drive experimentation, lead technical strategy, and mentor teams to improve engineering productivity and system reliability.

The Senior Software Engineer, Payments will design and implement backend infrastructure for a blockchain-integrated banking platform, focusing on payment processing and operations.

Join Dakota's core engineering team to design and implement back-end infrastructure for a blockchain-integrated banking platform, addressing high-visibility projects.

As a Founding Staff Software Engineer, you will lead the design and development of robust backend systems and APIs, optimize large-scale data workflows, and mentor a growing engineering team.