Top Senior Software Engineer Jobs in Buffalo, NY

Contribute to the ARO HCP project by developing features for Kubernetes and Azure Red Hat OpenShift, participating in open source projects, and collaborating on design and architecture.

The Senior Software Engineer leads backend microservice development for order processing, mentors engineers, and promotes best practices in a fast-paced environment.

The Senior Software Engineer will design and build critical components of a trading platform, oversee the systems end-to-end, and contribute to architectural decisions. Responsibilities include developing APIs, ensuring system reliability, mentoring others, and balancing technical debt with feature delivery.

The Principal Software Engineer will design core platform services and lead significant software design for multi-tenant SaaS applications, ensuring scalability, security, and code quality while mentoring engineers and driving cross-team collaboration.

The Senior Software Engineer will develop AI infrastructure for enhanced developer productivity, making architectural decisions and supporting teams in AI tool adoption.

The Senior Full-Stack Software Engineer at ThreeFlow will develop and enhance client-facing applications, collaborating within an agile team to build and maintain front-end features and APIs based on Ruby on Rails and Vue.js while using modern testing frameworks.

Develop and manage scalable database infrastructure, optimize data pipelines, and ensure data security compliance for TRM's blockchain intelligence products.

The Lead Software Engineer oversees the design and delivery of foundational services for real-time recommendations while mentoring teams and ensuring robust, auditable systems using advanced state management and transactional patterns.

The Senior Software Engineer will design and implement stateful services for real-time decisioning systems, focusing on state machines and reliability in distributed environments.

The Lead Software Engineer designs and maintains a high-performance decision engine, focusing on low-latency services and robust API development while ensuring compliance and observability. Responsibilities include managing rules execution, performance engineering, and leading technical reviews.

Lead design and implementation of a headless Optimizely DXP front-end using Next.js on Vercel for 150+ marketing sites. Define content models and architectural standards, implement personalization and A/B testing, optimize performance and accessibility, manage CI/CD and repository ecosystems, and mentor engineering peers to enable repeatable, scalable site launches.

Lead design and execution to modernize billing, license management, and financial systems from a PHP monolith to a scalable service-oriented architecture. Architect invoicing, payments, reconciliations, and integrations with ERP/payment platforms, ensure data integrity, compliance, observability, and cross-functional alignment with Finance and Operations.

The Principal Software Engineer will lead development for Dataminr's Knowledge Platform, focusing on AI and data engineering to enhance knowledge graphs and alerting capabilities.

Lead design and delivery of AI products, driving technical strategy and architecture while building production-grade systems and mentoring teams. Collaborate cross-functionally to integrate AI features into a product ecosystem.

The Senior Software Engineer will lead projects, architect solutions, mentor junior staff, and work full stack on platform development.

As a Senior Software Engineer, you will design and optimize APIs, develop cloud functions, and collaborate with product teams to enhance user experiences at Speechify.

The Senior Software Engineer will build and maintain foundational services and SDKs, optimize functionality, and collaborate on product solutions using Kotlin.

Lead design, implement, and maintain cloud-native microservices and platform services for high-throughput supply chain systems. Own architecture, reliability, CI/CD, monitoring, and incident response. Mentor engineers, establish engineering standards, and collaborate with product, data science, and customer teams to deliver scalable API and data solutions.

As a Principal Software Dev Engineer, lead full-stack engineering, oversee complex initiatives, mentor engineers, and align technical strategies with business goals to enhance content management systems.

Design, build, and operate high-performance distributed authentication and real-time inference services. Implement scalable cloud APIs, distributed training and deployment pipelines, CI/CD, observability, and reliability practices. Lead incident response, on-call rotations, staged rollouts, and post-incident improvements while managing model lifecycle, data quality, and production monitoring.

The Senior Backend Engineer will design and build backend systems for a multi-cloud platform, ensuring performance, scalability, and high quality while collaborating with various teams and stakeholders.

The Senior Software Engineer will modernize the USPS shipping technology by refactoring legacy services and designing cloud-native solutions in Go, while ensuring high-performance and reliability for users.

The Senior Software Engineer will develop and maintain client-side applications, improve installation workflows, and ensure enterprise deployment support for cybersecurity products.

The Senior Software Engineer will design and maintain .NET applications in AWS and on-prem environments, focusing on data processing solutions and collaborating on technical designs while ensuring security and compliance best practices.

As a Senior Software Engineer, you'll design and build backend services for compliance, data, and payment products, collaborating with cross-functional teams and mentoring junior engineers.