Top Software Engineer Jobs in Buffalo, NY

Lead design and delivery of medium-to-large backend projects, architect scalable distributed systems, mentor engineers, use LLMs and agentic tools to accelerate development, participate in on-call rotations and incident response, and collaborate with Product and Design to build customer-focused solutions.

Design, build, operate, and optimize a hyper-scale distributed data ingestion service for Office365. Implement telemetry, monitoring, and privacy/compliance safeguards, collaborate with downstream teams, support 24/7 operations (OnCall), and improve performance and cost efficiency.

Build and maintain the full-stack Raise product: polished donor-facing UIs and backend systems. Own features end-to-end, ensure scalability, reliability, and performance, review AI-generated code, collaborate with Product and Design, write clean testable code, and support observability and incident resolution.

Design, implement, and own production platform subsystems for an enterprise AI control plane. Deliver production-ready Go services on Kubernetes, ensure reliability, observability, and scalability, mentor engineers, drive design docs and code quality, and contribute to the open-source ToolHive/MCP ecosystem.

Design, implement, debug, and ship features for Azure Storage front end at cloud scale. Drive design, dependency identification, automation, reliability, observability, and on-call incident response while collaborating with stakeholders and mentoring engineers.

Design, build, and operate scalable web applications, APIs, services, and AI-enabled workflows. Use AI tools across the development lifecycle, ensure reliability, performance, and observability, contribute to technical decisions, iterate from user feedback, and own production quality and delivery as part of cross-functional squads.

Lead design, develop, and deliver enterprise ServiceNow solutions including Service Catalog, Flow Designer workflows, approvals, SLAs, task orchestration, and integrations. Act as technical lead, establish standards and CI/CD practices, mentor developers, conduct code/design reviews, and ensure alignment with governance, security, and enterprise architecture while driving platform scalability and performance monitoring.

Lead architecture and delivery of scalable, resilient distributed web applications and AI/LLM-powered features. Drive technical vision, enforce engineering best practices, mentor engineers, collaborate with product and platform teams, and productionize generative AI capabilities with attention to testing, observability, security, and performance.

Lead and coach a software engineering team to design and deliver production-grade reference architectures, sample applications, and reusable implementation patterns. Provide hands-on technical leadership across cloud-native, containerized, and distributed systems; drive architecture and adoption of best practices; partner with platform and infrastructure teams; participate in coding, prototyping, and troubleshooting; manage staffing, prioritization, and delivery planning.

Join Twilio as a Staff Software Engineer to design and build scalable, reliable communication systems. Collaborate with cross-functional teams, mentor engineers, drive technical direction, perform architecture and code reviews, and deliver high-quality production services in a remote-first environment.

Senior Software Engineer at Twilio will design, build, and maintain scalable communication systems, collaborate with cross-functional teams, mentor engineers, and contribute to architecture and delivery. Responsibilities include writing high-quality code, improving performance and reliability, shipping product features, and participating in technical planning within a remote-first, inclusive environment.

Design, implement, and operate highly scalable Azure cloud services and full‑stack features for Compute Manager. Own design, coding, debugging, reliability, and on‑call operations as a DRI. Collaborate across teams to improve availability, performance, observability, and run distributed systems at hyperscale.

The Solutions Engineer will support the integration of Near Intents, assist developers, enhance product stability, and provide technical support to ecosystem partners.

Lead technical vision and architecture for Dockers Developer Tools: build a self-service internal platform, CI/CD and build systems, integrate AI/LLM agents, set SDLC tenets, establish standards for observability, security, reliability, and productize internal tooling into customer offerings.

Build and evolve APIs and frontend surfaces for data products. Translate business requirements into scalable systems, ensure data integrity, design frontend and backend architecture, improve developer self-serve tooling, collaborate with stakeholders, and mentor engineers while maintaining strong code quality and delivery practices.

Design, develop, and optimize SuiteCommerce solutions and SCA extensions for financial services. Build SSP applications and backend logic with SuiteScript, JavaScript, HTML/CSS, Backbone.js. Integrate third-party systems via REST/SOAP, maintain payment gateway and compliance integrations, and collaborate with teams to enhance eCommerce and client portal capabilities while tracking NetSuite updates.

Lead full-stack growth engineering efforts to optimize top-of-funnel and intake workflows. Ship reliable, observable, and scalable features; connect technical investments to product and business metrics; build tooling and automation; integrate external partners; leverage data, A/B testing, and AI to reduce friction and improve conversions while ensuring privacy, compliance, and high-quality engineering practices.

Design, develop, and maintain scalable, secure backend services and APIs for a healthcare caregiver platform. Drive cloud-native modernization (microservices, serverless), ensure compliance (HIPAA, OWASP), troubleshoot production issues, optimize performance, mentor junior engineers, and collaborate with product and architecture teams to deliver reliable, high-performing solutions.

Build and maintain Mapbox Studio, a complex React/TypeScript fullstack application. Ship performant, testable features, make technical decisions, integrate REST APIs and AWS, optimize frontend performance, reduce technical debt, participate in design, monitor and support production systems, and mentor teammates.

Design, build, and operate managed compute primitives for Temporal Cloud: autoscaling, multi-tenant safety, cloud integrations, observability, and production-grade reliability. Own API design, rollout, SLOs, incident response, and cross-team technical leadership.

Lead technical direction for a major product domain, reduce architectural debt, mentor engineers, standardize AI-agent workflows, and design scalable backend solutions integrating LLMs and cloud services. Drive cross-team RFCs, cookbook standards, and adopt agentic AI tooling while balancing security, quality, and delivery.

Lead front-end-focused full‑stack development for a multi‑tenant SaaS online banking platform. Build reusable component libraries, migrate legacy UI, optimize UI performance, troubleshoot across front-end and service layers, participate in on‑call rotations, mentor junior engineers, and ensure API‑first integrations and cloud‑native deployments.

Own and architect Linux kernel-space enforcement for an identity security platform using eBPF and BPF LSM hooks. Build kernel and userspace enforcement boundary, optimize syscall hot paths, extend enforcement to containers and Kubernetes, ensure portability across kernel versions, collaborate on shared policy/backend, mentor engineers, and drive production-grade, low-latency security enforcement.

Lead macOS endpoint enforcement: design and own userspace agent, synchronous allow/deny path, Network Extension content filtering, performance and stability across macOS versions and hardware, mentor engineers, and represent macOS in cross-platform policy and architecture decisions.

Own design, implementation, and production support of Windows kernel-mode enforcement drivers (filesystem, process/thread, handles, registry) and the kernel/user-mode enforcement boundary. Reduce enforcement latency at scale, extend enforcement to containers and isolation, ensure compatibility across Windows builds, handle driver signing and deployment, collaborate cross-platform on policy and the Rust userspace agent, and mentor engineers while driving technical direction and operational stability.