Top Software Engineer Jobs in Buffalo, NY

Build innovative software products in the Special Projects Division addressing public health, agriculture, education, and aid-related challenges in Sub-Saharan Africa. Responsibilities include designing software architectures, developing on UNIX-based platforms, participating in code reviews, using disciplined version control, collaborating with teams, and potentially applying Django, React, Android, or PyTorch. The role may involve travel to Africa to understand local contexts.

Build, scale, and modernize SmartAsset’s web platform and content management systems across front-end and back-end services. Collaborate with product teams and stakeholders in an Agile environment, contribute to technical architecture and decisions, support roadmap execution, improve processes, and help maintain highly available web products. The role also involves mentoring teammates, managing technical risks, and working remotely with senior engineers and architects.

Leads complex systems analysis, software design, application development, testing, debugging, documentation, and technical project planning. Oversees development resources, coordinates technology and business teams, evaluates vendor software, maintains supported applications, recommends technology improvements, and supports budgets, risk controls, audits, and regulatory requirements. Mentors less experienced staff and serves as a technical leader across complex projects.

Design, build, and maintain scalable Ruby on Rails applications, APIs, databases, integrations, and automated tests. Partner with product, engineering, project management, and business analysis teams to deliver documented requirements and end-to-end features. Monitor application performance, provide production and on-call support, and contribute to emerging technology initiatives. The role supports business-critical behavioral health workflows and systems that improve access to care.

Build and maintain Blend’s scalable cloud banking platform across the full stack. Develop accessible front-end interfaces and resilient back-end services, use AI coding agents throughout the software lifecycle, review and harden AI-generated code, collaborate with product and design teams, troubleshoot defects, participate in code reviews and on-call rotation, and propose end-to-end engineering initiatives.

Software Engineer Intern contributing to SingleStore’s distributed SQL database. Responsibilities include developing and testing database features, query processing, storage engines, indexing, distributed systems, concurrency, performance, scalability, and fault tolerance. The role involves code reviews, technical design, debugging, documentation, and collaboration with engineering and product teams.

Software Engineer Intern contributing to cloud-native database services, including workspace lifecycle management, provisioning, scaling, backups, APIs, reliability, observability, testing, and production deployment. The role involves distributed systems, cloud infrastructure, backend development, debugging, code reviews, and collaboration with engineering and product teams.

Develop and operate production-quality cloud software for managing customer workspaces and databases. Responsibilities include building backend services, APIs, automation, provisioning, scaling, upgrades, backups, recovery, observability, and reliability improvements. The role involves writing code, tests, documentation, and technical designs; investigating performance and scalability issues; and collaborating with engineering, product, and cross-functional teams.

Develop and improve SingleStore database engine software, including query execution, optimization, storage, indexing, transactions, and distributed-system components. Write production code, tests, documentation, and technical designs while investigating performance, scalability, and correctness issues. Collaborate with experienced engineers, product managers, and cross-functional teams through regular release cycles.

Designs, develops, deploys, and supports complex, scalable software systems. Leads architecture and technical solutions, implements AI-enabled and agentic applications, integrates systems, performs testing and troubleshooting, and ensures quality, security, reliability, and performance. The role also supports incident management, CI/CD, Agile delivery, code reviews, mentoring, stakeholder collaboration, and adoption of AI-assisted engineering tools.

Leads complex systems analysis, software design, development, testing, debugging, documentation, and application support. Coordinates technical project plans, evaluates vendor technologies, drives milestones, mentors staff, and oversees development resources. Collaborates with technology teams, business units, clients, vendors, and senior management to implement system solutions, manage risks, maintain controls, and improve applications. May support budgeting, performance reviews, audits, business studies, and due diligence activities.

Leads delivery for a payroll engineering team while contributing hands-on to complex payroll and tax features. Responsibilities include mentoring engineers, conducting code reviews, partnering with Product Management, translating roadmaps into engineering work, and ensuring reliable releases. The role champions AI-assisted development, supports CI/CD and DevOps practices, communicates technical risks, and helps resolve production issues affecting payroll processing.

Develops web services, webpages, APIs, and microservices using Java, Spring Boot, frontend frameworks, cloud platforms, and modern databases. Collaborates across product teams on integrations, testing, deployments, architecture, and technical design. Translates business requirements into specifications, applies software quality and DevSecOps practices, and participates in coding, pairing, code reviews, and architecture reviews within an agile environment.

Build and maintain reliable data pipelines, APIs, integrations, and event-driven or batch processing systems. Transform data from advertising, ecommerce, order management, and event sources while improving monitoring, freshness, performance, and scalability. Collaborate with data engineering, infrastructure, product, and business teams to extend the integration platform in a cloud-native, multi-tenant environment.

Build backend services, APIs, data-processing systems, and frontend features for Northbeam’s marketing intelligence platform. Work on experimentation, near-real-time data infrastructure, AI-powered workflows, data integrations, RBAC, and end-to-end product delivery. Collaborate with data scientists, product managers, designers, and senior engineers while contributing across backend, frontend, pipelines, and infrastructure in a fast-moving environment.

Leads the architecture, development, testing, deployment, troubleshooting, and sustainment of Appian applications supporting Army systems. Provides technical leadership, code reviews, mentorship, secure coding enforcement, requirements collaboration, Agile participation, integrations, documentation, and compliance with DoD cybersecurity, RMF, STIG, and privileged-access requirements.

Design and implement secure, scalable backend services for voice agents, integrate AI models and telephony, improve inference, debug concurrent systems, and collaborate with Product to deliver features end-to-end.

Lead software engineering for the Patient Onboarding team, building and improving registration, insurance verification, and care-access workflows. Write full-stack production code, lead complex cross-team initiatives, shape technical direction, improve engineering foundations, and support modern AI-enabled development practices. Collaborate with Product, Design, Analytics, and Engineering to improve patient conversion and system reliability.

Unpaid software engineering internship focusing on full-stack web development with TypeScript, Next.js/React and Node/Express. Work on front- and back-end features, responsive UI with Tailwind, animations with Framer Motion, PostgreSQL and MongoDB integration, REST APIs, microservice-based architecture, code reviews, debugging, and product planning in a remote-first startup.

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.

Distinguished Software Engineer responsible for enterprise-wide software strategy, architecture, secure application development, and SDLC best-practice adoption. The role leads cloud-native engineering standards across Azure and AKS, including Istio, Envoy, and OPA; drives enterprise rollouts and organizational change; ensures regulatory compliance; and mentors engineers. Strong executive communication, technical leadership, advanced engineering expertise, and experience delivering complex enterprise initiatives are required.

Lead frontend and full-stack engineering, architect scalable features, integrate APIs and cloud services, optimize rendering and performance, establish engineering standards, conduct code reviews, and mentor developers. Collaborate with product, UX, and backend teams to deliver user-focused software while managing priorities in an ambiguous environment.

Build and maintain scalable backend services, RESTful and GraphQL APIs, database schemas, and cloud infrastructure. Own architecture decisions, optimize performance and reliability, improve CI/CD practices, collaborate across product and engineering teams, lead architecture sessions, review code, and mentor junior developers.

Designs, builds, and scales backend services and integrations for payments, billing, identity, and partner connectivity. Sets technical vision and architecture for distributed systems, leads cross-team delivery, manages production rollouts, builds fault-tolerant services and data pipelines, and mentors engineers. The role partners with product, design, and engineering teams to deliver frequent, reliable improvements for Flex’s rent payment platform.

Design, build, and scale backend services and integrations for payment, billing, identity, and partner systems. Own API scoping, design, implementation, deployment, and production operations with minimal oversight. Build fault-tolerant systems, data pipelines, and scalable architectures while collaborating with product, design, engineering, and external partners. Contribute to reliability monitoring, observability, automation, technical standards, and mentoring in a distributed team.