Top Software Engineer Jobs in Buffalo, NY

As a Senior Backend Engineer, you'll develop and enhance authentication strategies, improve access management, and ensure security for GitLab users, focusing on scalable solutions.

Design, build and operate Support Technology platforms, manage backend services, develop AI-driven capabilities, and mentor engineers for operational excellence.

As a Principal Software Engineer, you'll architect and code backend services and ML models, integrate them with Salesforce, and mentor junior engineers.

Lead architecture and implementation of a new frontend platform, define org-wide frontend best practices, mentor engineers, collaborate with product/design/backend, operationalize tools and CI/CD, drive cross-team initiatives, and ensure high-performance, maintainable, and accessible frontend systems.

As a Senior Software Engineer, you will develop and enhance core software libraries, maintain APIs, lead projects, and mentor junior engineers while collaborating in an Agile environment.

The Staff Software Engineer will architect and develop high-performance cloud services, resolve infrastructure bottlenecks, ensure engineering best practices, and mentor junior members.

Join MongoDB's Clusters and Integrations team to build core distributed database infrastructure, focusing on networking, observability, and data movement.

As a Software Engineer in Reliability, you'll architect and manage multi-cloud GPU infrastructure, ensuring performance, security, and scale while debugging complex hardware/software issues.

Develop, configure, test, troubleshoot, and support Oracle CPQ (BigMachines) solutions and integrations. Participate in design sessions, build prototypes, execute CPQ admin tasks, perform unit testing, debug BML libraries, coordinate with stakeholders, mentor junior staff, and manage post-production priorities.

Full Stack Software Engineer II develops responsive React/TypeScript UIs and scalable backend services (Go/Node/Python) using GraphQL, PostgreSQL, Redis, and graph databases. Contributes to infrastructure automation with Docker and GitLab CI/CD, integrates AI/ML tools (LangChain, LLM APIs, RAG), and supports distributed teams. Requires eligibility for SECRET clearance and U.S. citizenship.

Design, develop, and maintain mobile applications in Kotlin, ensuring healthcare compliance, collaborating with teams, and mentoring others.

Design and build high-performance, data-intensive frontend applications for Loan Origination and Servicing platform. Collaborate with teams to deliver user experiences and optimize application performance.

The Senior Software Engineer will own end-to-end development of features for an AI documentation platform, focusing on backend to frontend solutions, scalability, and UX, supporting thousands of clinicians.

As a Full Stack Software Engineer at Goodbill, you'll develop data systems and user experiences, work with diverse data sources, and integrate AI features, ensuring high-quality consumer-facing applications.

The Senior Software Engineer will design, build, and maintain services for Cadence's remote patient monitoring platform, collaborating with product owners and internal stakeholders in a fast-paced environment.

Design and build platform services for high-quality staking products. Integrate with internal teams, translate complex staking protocols into simple APIs, participate in code reviews, and troubleshoot/debug complex production issues to support retail and institutional staking offerings.

Lead design, build, and scale real-time streaming infrastructure and data pipelines; collaborate with product and analytics; ensure operational availability and monitoring; set code and design standards; mentor engineers and drive delivery of quarterly goals.

Lead full‑stack projects for Upstart's Auto Refi and Auto Secured Personal Loans products. Collaborate with cross‑functional partners, make architectural decisions, deliver high‑quality, testable, resilient code, and propose ideas to improve product metrics and conversion.

As a Software Engineer, you'll design and implement scalable data and AI solutions, participate in code reviews, troubleshoot issues, and collaborate across teams.

The Software Developer will provide technical support, debug applications, troubleshoot issues, and collaborate with various teams to improve product reliability and client experience.

Develop and maintain APIs and backend solutions for a PHP-based web portal, focusing on security, performance enhancement, and observability with CI/CD automation.

Build and implement scalable cloud networking services at Vultr. Responsibilities include managing VPC, routing, automation, and supporting production systems.

The role involves building and operating ngrok's core gateway infrastructure, ensuring secure and efficient traffic routing, and debugging distributed systems in production environments.

The Software Engineer will build and maintain internal support tooling, collaborating with various teams to design automations, dashboards, and integrations, ensuring operational efficiency and reliability.

Join SnapStream to develop cloud-native services and features for a video platform, participating in code reviews and system reliability efforts. Ideal for ambitious junior or mid-level developers.