Top Software Engineer Jobs in Buffalo, NY

Mudflap seeks software engineers to build and scale their payments platform using Ruby on Rails, collaborating cross-functionally and owning features end-to-end.

Join as a full-stack software engineer to design, develop, and maintain web applications and services. Collaborate cross-functionally, write clean code, perform code reviews, debug issues, and stay current with industry trends.

Backend engineer to develop and own core CRM and finance services. Work in a fast-growth scaleup, ship quickly using agentic AI workflows, own testing and service quality, and optimize developer tooling and workflows.

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.

Full-stack feature-team engineer working across UI, JavaScript, and backend to build scalable investment portfolio management web applications. Gather requirements with product and users, design solutions, implement and deploy code, and operate in Linux environments. Emphasis on strong computing fundamentals, Ruby on Rails proficiency, user workflow understanding, and clear communication.

Join as the founding full-stack engineer to extend a TypeScript React/Next.js prototype, design product features, integrate AI/OCR, write tests and infrastructure, talk to users, and iterate quickly to drive growth.

The Senior Software Engineer for the Treasury team will develop backend services for fund management, ensuring system reliability and leading projects in a fast-paced environment.

Join as a full-stack software engineer to design, build, test, and deploy web applications. Write and debug code across application and data layers, participate in code reviews, and support the full software lifecycle including planning, requirements, QA, and documentation while collaborating with product and design teams.

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.

Build and maintain full-stack web systems (Node.js/TypeScript backend, Postgres, React) and AI-enabled features. Design end-to-end features, collaborate with educators and TAs, iterate in a small team, and deliver production-quality user-facing functionality.

As a Back End Software Engineer, you will build scalable APIs, ensure system efficiency, and contribute to company initiatives, while operating independently and collaborating with other engineers.

Develop and optimize Soroban smart contracts and integrate anchor services on the Stellar network for cross-border payment solutions. Collaborate with cross-functional teams, test and debug contracts, document processes, and provide technical support while staying current on blockchain and payments trends.

Implement EVM-compatible features, optimize gas usage, develop and test smart contracts, collaborate on Ethereum infrastructure, troubleshoot Ethereum issues, and stay current with Ethereum advancements.

Develop and maintain high-security mobile applications using React Native, Swift, or Kotlin. Implement biometric authentication and secure key storage, collaborate with cross-functional teams to deliver features, troubleshoot and optimize app performance, and propose enhancements based on emerging technologies.

The Software Engineer will build features across the stack, design AI/LLM-driven workflows, translate requirements, and collaborate closely with the founding team and customers.

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 Full-Stack Software Engineer will design, build, and scale backend services and APIs for financial transactions while collaborating with frontend engineers and contributing to technical design.

Design, build, and maintain data platform tools, ensuring data quality and integrity. Collaborate with data science teams and enforce best software practices.

As a Software Engineer at Espresso, you will design and implement core blockchain infrastructure in Rust, focusing on transaction processing and consensus.

Design and build systems for managing bare-metal infrastructure, focusing on automation, hardware provisioning, and software integration with Linux systems.

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

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

We are seeking a Senior Frontend Software Engineer to build advanced web applications using JavaScript and ReactJS, collaborating with a team to enhance user experiences.

The Senior Backend Software Engineer will build intricate backend systems, develop APIs, ensure high availability, and improve application scalability and performance.

Lead and manage software engineering teams, architect scalable systems, and innovate solutions while collaborating with stakeholders across various technology stacks.