Top Software Engineer Jobs in Buffalo, NY

Senior .NET Software Engineer responsible for end-to-end software development using Microsoft technologies. Requires extensive experience in SDLC, design principles, technical documentation, web application development with .NET, Agile/SCRUM, Entity Framework, database design, and version control. Familiarity with project tools JIRA, TEMPO, Bitbucket, and Confluence preferred.

Develop and modernize a production React Native mobile application supporting offline-first workflows, BLE device integrations, synchronization, scalability, performance, and reliability. Design and maintain application features, contribute to architecture and engineering standards, collaborate cross-functionally, mentor developers, provide technical leadership, and engage with farm customers. Occasional travel to customer locations is required.

Senior backend engineer responsible for designing and implementing new features, scaling and optimizing the platform, improving Postgres and Elasticsearch performance, fine-tuning LLMs, and making architectural decisions. Collaborate with engineering team, take ownership of features, write performant, maintainable code, and help shape product and infrastructure for data-intensive applications (NLP, search, indexing).

Design and build unified testing frameworks enabling portability across SIL, HIL, and simulation. Configure and maintain physical HIL benches and hardware interfaces, integrate automated HIL tests into CI pipelines, collaborate with software teams to improve HIL/CI systems, and monitor runtime performance, system health, and reliability metrics across testing platforms.

The Senior Fullstack Software Engineer will design, implement, and maintain features for Conveyor's SaaS platform, involving both backend and frontend work, while collaborating closely with team members and mentoring juniors.

Design, build, and maintain AI-powered B2B SaaS products across frontend, backend, and AI. Own projects end-to-end, collaborate with product and design, ensure maintainability, mentor teammates, and inform roadmap and implementation decisions.

Design and scale ARM64 compute platform infrastructure, hypervisor integrations, instance management, resource orchestration tools, and compute APIs. Develop and maintain low-level services using Python, Go, or compiled systems languages. Collaborate with hardware and global engineering teams, participate in design reviews, debug distributed Linux systems, and mentor junior engineers.

Work directly with the founder to design and build core product features: integrations that pull license data, automation to file renewals/applications, data cleaning with AI, dashboard and alerting UX, and establish engineering practices for testing, deployments, and security. Term contractor role with potential conversion to full-time based on performance.

Design, implement, and maintain scalable, secure, high-performance backend systems and public-facing APIs. Collaborate with Product and Data Science teams, lead initiatives improving efficiency and system performance, and support customer satisfaction. Work may involve distributed systems, pricing engines, identity management, authentication, authorization, API versioning, deprecation, and rate limiting.

Software Engineering Interns will collaborate with engineering and cross-functional teams on real-world projects, contribute to key engineering initiatives, build technical and professional skills, and present their work at the end of the program. Interns receive mentorship, workshops, and career development support while working full-time in the New York City office for eight weeks.

Designs, builds, tests, deploys, and optimizes full-stack product features using React and Python. Develops GraphQL integrations, scalable backend services, data visualizations, analytics instrumentation, and production-ready platform capabilities. Contributes to UX workflows, CI/CD, monitoring, code quality, and stakeholder updates while collaborating in agile sprints and evaluating new technologies.

Supports client-facing technical issues, escalates bugs, monitors production systems, troubleshoots web and email problems, updates backend data, and contributes to software features, data pipelines, APIs, and responsive applications. Works cross-functionally with Engineering, Product, QA, and Data teams while developing skills in web technologies, SQL, cloud environments, accessibility, and generative AI.

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 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.

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.

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.