Top 15 Node.js Web Development Companies in SF, USA (2026)

Gilzor develops custom web products with Node.js used for backend logic, APIs, integrations, and data-heavy applications. Its broader web development stack includes TypeScript, Express, Nest.js, React, Next.js, PostgreSQL, MongoDB, AWS, Docker, and Kubernetes. The company also covers UI/UX design, business analysis, QA, and post-launch maintenance, which can simplify projects that need both product and engineering support. Its U.S. delivery makes it relevant to San Francisco companies open to a distributed development partner.

Azumo is headquartered in San Francisco and offers dedicated Node.js development services alongside nearshore staff augmentation and managed project delivery. Its Node.js work covers web application backends, REST and GraphQL APIs, microservices, maintenance, performance work, and full-stack JavaScript development.

The company works with Express, NestJS, Fastify, TypeScript, and related JavaScript technologies. This makes it relevant for teams that need senior backend engineers without limiting the engagement to a fixed-scope web build.

BairesDev provides Node.js engineering through software outsourcing, dedicated teams, and staff augmentation. Its Node.js services span web applications, APIs, microservices, modernization, cloud-native systems, ecommerce platforms, and real-time applications.

The engineering stack includes Node.js LTS, TypeScript, Express, Fastify, NestJS, GraphQL, PostgreSQL, MongoDB, Redis, Docker, Kubernetes, and major cloud platforms. BairesDev also operates a San Francisco office, giving Bay Area companies a local commercial point of contact while development teams work through a distributed nearshore model.

Vention has a dedicated Node.js development practice covering custom applications, REST APIs, web products, and scalable backend systems. Its Node.js teams work with frameworks and tools including Express.js, Nest.js, Koa.js, Meteor, LoopBack, MongoDB, PostgreSQL, MySQL, Jest, and Sequelize.

The company also provides complete web application development, including frontend engineering, backend development, UI/UX, integrations, modernization, QA, and ongoing support. Vention maintains a San Francisco office at 650 California Street.

Simform provides software development services for San Francisco businesses and uses Node.js among the technologies used by its engineering teams. Its broader work covers application development, cloud engineering, system integration, modernization, dashboards, data platforms, and real-time applications.

Node.js can therefore sit within a wider architecture rather than being treated as an isolated backend service. Simform may be particularly relevant for organizations that need to combine a Node.js web application with cloud infrastructure, data engineering, or modernization work.

MindK has a dedicated Node.js engineering practice focused on web applications, SaaS platforms, APIs, and backend modernization. Its stack includes Node.js, NestJS, Express, MongoDB, PostgreSQL, Redis, AWS, Azure, Google Cloud, Docker, and Kubernetes.

Node.js work includes dedicated engineering teams, legacy migrations to NestJS, API development, and high-load SaaS products. MindK also maintains a San Francisco office, making it a practical option for companies that want local commercial access combined with a distributed engineering team.

Empat provides Node.js developers for web application projects, backend development, and scalable server-side systems. Its Node.js offering covers web and API work, with NestJS highlighted for more structured enterprise applications.

The company works across custom software, web development, mobile applications, and startup product development. Empat has a San Francisco office on Mission Street, which gives it a direct local presence alongside delivery operations in other markets.

EffectiveSoft offers dedicated Node.js development for custom applications, plugins, data-intensive systems, and web products. Its portfolio includes Node.js projects in ecommerce, logistics, healthcare, manufacturing, and other sectors.

The company combines Node.js with broader JavaScript, frontend, data, cloud, and custom software services. EffectiveSoft has a San Francisco office at 50 California Street, giving local organizations access to a company with both Bay Area representation and distributed engineering capacity.

Bacancy Technology offers Node.js web application development for real-time systems, backend services, APIs, CMS projects, and scalable business applications. Its wider JavaScript practice works across Node.js, Express, Nest.js, Fastify, React, Next.js, Vue, Angular, and TypeScript.

The company maintains a San Francisco location on Mission Street. That combination of local presence and a large distributed engineering organization can suit businesses looking to add developers quickly or build a dedicated team around an existing JavaScript stack.

SDLC Corp provides web application and custom software development for the San Francisco market. Its San Francisco service page Node.js among the backend technologies used for web applications, alongside React, Angular, Java, Python, PostgreSQL, MongoDB, GraphQL, and REST APIs.

The company is relevant to projects where Node.js forms one part of a wider web platform rather than the entire technical stack. Its services also extend into mobile development and enterprise software.

Codebrahma has a dedicated Node.js consultancy offering and lists a San Francisco address. Its Node.js work includes Express, Hapi, Sails, real-time applications, and database technologies such as MongoDB, Cassandra, and PostgreSQL.

The company positions Node.js primarily around scalable server-side and real-time development. This narrower technical emphasis can make Codebrahma relevant to teams that already understand their product requirements and need engineering help rather than a large multi-service consulting engagement.

Appstem develops custom web and mobile products for companies in San Francisco and the wider Bay Area. Its technical hiring requirements confirm backend work with Node.js, APIs, SQL or MongoDB databases, Angular, React, and MEAN or MERN stack experience.

The company also provides web development, product discovery, UI/UX design, mobile engineering, and cloud or DevOps services. Appstem is suited to businesses that want Node.js backend work coordinated with product design and client-facing application development.

GeekyAnts provides Node.js development for web and mobile products, APIs, integrations, microservices, consulting, and maintenance. Its Node.js services can support both complete application development and narrower backend requirements.

The company also works extensively across React, React Native, Next.js, and related JavaScript technologies, making it useful for full-stack projects that need a consistent JavaScript and TypeScript ecosystem. GeekyAnts maintains a San Francisco office on Montgomery Street.

Cheesecake Labs develops digital products using technologies that include Node.js, TypeScript, React, Next.js, Python, and mobile frameworks. Projects show Node.js used for backend services, internal tools, operational platforms, and scalable application architectures.

The company opened a San Francisco office to support U.S. clients more directly while retaining its primary engineering operations in Brazil. This model can work well for Bay Area companies that want local client engagement combined with a nearshore product development team.

Hyperlink InfoSystem provides Node.js web application development, API integration, custom Node.js development, migration, microservices, consulting, and ongoing support. Its wider web practice also covers React, Angular, TypeScript, PHP, Python, ecommerce, mobile applications, and custom software.

The company has a dedicated software development offering for San Francisco businesses, although its California office is in Sunnyvale. This makes it a market-coverage option for Bay Area organizations.