Top Senior Software Engineer Jobs in Buffalo, NY

Develop data replication solutions, handle distributed systems escalations, write production and test code, and mentor juniors in a collaborative team environment.

Design and scale robust, secure distributed web applications; lead architectural initiatives; ship full‑stack features using TypeScript/React/Node.js; integrate AI-assisted and LLM-based functionality; mentor engineers and drive technical excellence through reviews and documentation.

As a Staff Software Engineer, you'll design and build scalable data infrastructure, optimize data pipelines, and collaborate across teams to deliver effective streaming solutions, leveraging technologies like Kafka and Spark.

Design and develop backend services and APIs for identity resolution, optimize event-driven systems, and enhance system reliability. Mentor engineers and influence architectural decisions.

Responsible for extending blockchain systems, building scalable microservices, collaborating with teams on design, and ensuring reliable API functionality.

As a Senior Software Engineer at Lob, you will develop logistics applications, collaborate with teams, and write technical documentation, primarily using Node.js and Go.

The Senior Software Engineer II, Platform will design and build scalable infrastructure for dental products, improve developer experience, and ensure system security and performance.

Design and build features for Dandy's manufacturing and supply-chain platform, including order routing, real-time order status, CAD->CAM automation support, performance optimization, and cross-team collaboration to deliver scalable production systems.

Oversee systems analysis, architecture, and development using Java, Spring frameworks, Oracle, GitLab, and scripting. Direct junior developers and manage complex software projects. Ensure effective software application performance and recommend technology improvements.

Design and develop software applications and services, perform cloud migrations, implement security practices, and support production environments, ensuring quality and compliance with standards.

The Senior Software Engineer will modernize warehouse technology, improve fulfillment operations, and collaborate with stakeholders to deliver solutions.

Build applications for Coinbase Customer Agents using Golang and React, integrate AI/ML tools, mentor team members, and collaborate on complex projects.

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.

Lead the frontend platform's evolution, architect complex UIs, mentor engineers, and drive performance and testing excellence while collaborating with cross-functional teams.

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 Backend Engineer at Zapier, you'll design and implement scalable APIs, collaborate on architecture, and integrate AI tools to enhance automation.

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.

Define and drive the vision for compute and networking platforms, leading design and optimization of distributed systems, mentoring engineers, and ensuring system reliability.

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.

As a Software Engineer on the AI Products Team, you will develop new features and improve LLM model results while engaging with customers and shaping team culture.

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.