Top Senior Software Engineer Jobs in Buffalo, NY

Build and maintain end-to-end web applications powering sales and operations. Design tools for quoting, scheduling, and fulfillment, integrate AI into products, collaborate on UX, ship high-impact features, and contribute to architecture, deployment, and engineering culture.

Senior .NET Software Engineer responsible for end-to-end software development using Microsoft technologies. Requires extensive experience in SDLC, design principles, technical documentation, web application development with .NET, Agile/SCRUM, Entity Framework, database design, and version control. Familiarity with project tools JIRA, TEMPO, Bitbucket, and Confluence preferred.

Senior pre-sales technical engineer responsible for designing and presenting complex IBM software solutions to partners and clients, gathering requirements, mentoring junior staff, and driving partner enablement KPIs such as design volume, customer engagements, accuracy, timeliness, and satisfaction.

Lead end-to-end full-stack development across React frontends and compiled backends, influence architecture and data modeling, integrate third-party dealership APIs, use AI-assisted coding tools daily, set engineering standards, ship production features to live dealership users, and mentor junior engineers.

Design and implement automated quality systems for disaster recovery and production environments, enhancing reliability through automation and intelligent diagnostics, while collaborating with QA and engineering teams.

The Staff SDET will design and implement automated test frameworks using TypeScript, collaborate with developers, and enhance testing processes within CI/CD pipelines.

Develop core backend components for a blockchain network, focusing on reliability and scalability, mainly using Rust. Ensure code quality through testing and debugging.

As a Staff Software Engineer, you'll enhance and scale AI-driven credit card platforms, collaborate on technical strategies, and optimize systems for growth.

The Senior Software Engineer will enhance the core product by developing features and tools for Chainguard Images, collaborating with teams and ensuring product quality.

Design and implement backend services for an AI-driven automation platform, focusing on LLM orchestration, API development, and system reliability.

Provide technical and architectural leadership to the software development team, design software solutions, mentor team members, and drive projects to completion.

As a Senior Software Engineer, you will develop new products and improve engineering infrastructure while taking ownership of product deliverables and enhancing technical architecture.

The Staff Software Engineer will design and operate financial systems involving ledgering, transaction processing, decisioning, and money movement, ensuring correctness and reliability while mentoring engineers and improving system resilience.

As a Senior Design Engineer, you will build and evolve the design system and frontend components, collaborate with teams, ensure code quality, and improve developer experience.

The Staff Software Engineer will enhance developer productivity by designing tools, automating workflows, and mentoring teams on best practices in developer experience.

The Senior Software Engineer will develop and maintain big data applications, focusing on distributed computing, automation, and collaboration with teams to enhance healthcare solutions.

The Staff Software Engineer - Platform will design and build core services for scalable data analytics, mentor teams, enhance platform reliability, and implement cloud-native solutions.

As a Senior Design Engineer at Benepass, you will build and evolve the design system, collaborate with Design and Product teams, and drive high-quality frontend development while improving developer experience.

The Staff Software Engineer will design and operate high-integrity financial systems including ledgering, transaction processing, and money movement while ensuring system correctness and resilience.

As a Software Development Engineer III on the Maps API team at Mapbox, you will design and develop mapping tools, ensure service reliability, mentor peers, and promote operational excellence in a fast-paced evolving environment.

The Senior Software Engineer will collaborate with teams to build and optimize a robust web application, ensure code quality, and elevate team impact.

The Staff Software Engineer will develop customer-facing web applications, lead technical design, improve system performance, and mentor other engineers while exploring new technologies. The role focuses on enhancing healthcare outcomes through innovation.

The Senior Software Engineer will architect scalable solutions, enhance self-service platforms, and tackle complex data challenges while collaborating across teams, ensuring high throughput in distributed systems.

The role involves optimizing payment platforms, enhancing performance, ensuring security, developing APIs, and monitoring payment systems.

Lead architecture and implementation of a centralized IAM platform: authentication, authorization, governance, APIs, and integrations. Drive platform adoption, ensure security/compliance, mentor engineers, and design for multi-tenant, scalable identity services supporting users, partners, APIs, and machine identities.