Top Senior Software Engineer Jobs in Buffalo, NY

As a Sr Software Engineer, you will develop scalable data pipelines, collaborate with teams to improve data integration, and mentor peers while leveraging your expertise in data engineering tools.

The Senior Software Engineer will develop, optimize, and maintain systems for the Capital Marketplace, collaborating across teams to enhance services for investors and stakeholders.

As a Sr. Software Engineer at Zapier, you'll build and scale robust backend systems for their automation platform, collaborating on various impactful projects, improving user workflows, and ensuring smooth execution of automations.

The role involves leading engineering efforts in backend and full-stack development, working with enterprise customers, and building scalable systems for automation and asset management, while applying AI tool advancements.

As a Senior Software Engineer, you'll build and enhance Collectly's healthcare financial products using Python and potentially React, focusing on backend systems and user-facing features.

Moov seeks a Senior Software Engineer to design and build financial products, mentor developers, and improve fintech systems with expertise in Go and cloud technologies.

The Senior Front-End Engineer will architect financial products, lead design discussions, mentor team members, and ensure high-quality application delivery.

As a Senior Software Engineer, you will build AI-driven agent systems for media planning and execution, collaborating closely with data scientists and product teams.

Design, build, and maintain resilient full-stack services for distributed financial SaaS systems. Lead end-to-end projects, optimize performance, ensure security and observability, mentor teams, and reduce technical debt.

Design, build, and scale backend infrastructure and services for a high-performance SaaS platform. Drive architecture decisions, improve DevOps and CI/CD automation, provide post-release support and post-mortems, and recommend tools and practices to enhance observability, reliability, and scalability.

The Senior Software Engineer will design and develop enhancements for a sales planning application, focusing on RESTful APIs, front-end development, and data optimization.

Lead AI adoption by designing and building prototypes and production-grade AI solutions using LLMs and agent frameworks. Collaborate cross-functionally, write production-quality Python and Go code, ensure security/privacy/compliance, measure ROI, and mentor others to scale AI automation across the company.

Design, build, and maintain a custom planning, scheduling, and order-routing system for a large design-to-order supply chain. Support domestic and international logistics, automate operator workflows, provide real-time visibility, optimize workloads, and collaborate with Manufacturing and stakeholders to deliver high-quality production systems.

Design, build, and operate backend services focusing on performance, scalability, reliability, and observability. Diagnose production issues, optimize data models and APIs, contribute to architecture and operational strategy, and collaborate across product, frontend, and DevOps to deliver mission-critical systems.

Lead design and evolution of data interfaces, mentor team, support integrations for live clients, and enhance data tools for scalability and efficiency.

The Decentralized Software Engineer will build full-stack systems, work with decentralized technologies, collaborate with the team, and continuously learn new tools and paradigms.

As a Software Engineer at Nava, you will design and implement scalable systems for government services, focusing on a high-impact healthcare platform. Responsibilities include collaborating with teams, automating workflows, and supporting production systems while ensuring high standards in software development.

The Software Engineer II will develop voice applications for the cloud contact center platform, focusing on performance, scalability, and collaboration with teams and customers.

Lead a development team in creating scalable Salesforce solutions, mentor developers, handle end-to-end service development, and ensure adherence to coding and DevOps standards.

The Senior Backend Software Engineer II will design, implement, and refactor orchestration systems, improve services, mentor junior engineers, and ensure high availability in a collaborative environment.

As a Staff Software Engineer, you will design and implement backend services, write primarily in Scala, and improve product architecture in collaboration with teams.

Design, build, and operate reliable and scalable systems to support Anrok's product, focusing on technical debt, security, and performance optimization.

As a Senior Software Engineer, you will optimize clinician routing and scheduling, build simulations, and develop predictive models in a logistics-focused role that integrates complex algorithmic challenges with real-world healthcare operations.

As a Senior Software Engineer, you'll design and build backend services and APIs, integrate systems, and solve complex operational challenges while mentoring others.

Lead projects in building and maintaining backend and full-stack systems for partner integrations, collaborating with various teams, and mentoring engineers.