Best Node.js Development Companies in the California | 2022

With the help of our list of the Best Node.js Development Firms in California, research, review and hire the most suited Node.js Development Company for your business.
...Read Full Description
Review Star Image Review Star Image Review Star Image Review Star Image Review Star Image
4.9 out of 5, based on 368 real reviews.
Rankings updated: Jun 25, 2026

Certain agencies may be featured through sponsored placements. Rankings and SF Scores remain unbiased and are based solely on our evaluation methodology.

164 Companies

Filter by

  • USA

    close
  • California

    close

2

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

2

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

View Profile Visit Website
Services Provided
info
Expertise Distribution (%)
  • 20% Web Development

  • 20% Software Development

  • 20% IT Services

  • 20% Digital Transformation

  • 10% Mobile App Development

  • 10% Artificial Intelligence

Solutions That Drive Growth

Perimattic delivers production-ready AI solutions, cloud-native platforms, and full-stack applications that transform business goals into scalable digital products. Our expertise includes LLM applications, RAG systems, MLOps, SaaS platform engineering, and data pipelines, enabling businesses to innovate faster. We design secure, high-performance systems using modern technologies like Node.js, Python, React, Laravel, and cloud platforms (AWS, Azure), supported by CI/CD and cost-optimized DevOps practices. From MVP development to enterprise modernization, Perimattic focuses on speed, scalability, and measurable outcomes—reducing operational costs, accelerating releases, and delivering seamless user experiences for growing businesses.

View Perimattic Profile
Inside Service Listing

$25-$49/hr

Hourly Rate
Inside Service Listing

$1,000+

Min. Budget Size
Inside Service Listing

50 - 249

Team size
Inside Service Listing

San Francisco, USA

Location

2

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

2

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

View Profile Visit Website
Services Provided
info
Expertise Distribution (%)
  • 20% Web Development

  • 20% Mobile App Development

  • 20% Software Development

  • 10% Web Design

  • 10% IT Services

  • 10% Artificial Intelligence

  • 10% Cloud Computing Services

Web & Mobile Development for High-Growth SaaS

We deliver professional web and mobile development services designed to scale with your business. Our team specializes in building high-performance SaaS platforms, custom web applications, and cross-platform mobile apps that drive growth and efficiency. Our Expertise: SaaS and full-stack web development Cross-platform mobile app development Third-party API integrations and system connectivity Modern, responsive UI/UX design MVP development and product discovery Software architecture and digital consulting Dedicated development teams and team augmentation QA, testing, and ongoing support With years of experience delivering enterprise, analytics, and custom solutions across multiple industries, our skilled developers ensure reliable, scalable, and future-ready products backed by clear communication and technical excellence.

View InterCode Profile
Inside Service Listing

$50-$99/hr

Hourly Rate
Inside Service Listing

$5,000+

Min. Budget Size
Inside Service Listing

10 - 49

Team size
Inside Service Listing

Fair Oaks, USA

Location

2

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

2

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

View Profile Visit Website
Services Provided
info
Expertise Distribution (%)
  • 20% Web Development

  • 20% Mobile App Development

  • 20% Software Development

  • 20% Web Design

  • 10% Artificial Intelligence

  • 10% Cloud Computing Services

Business solutions, tailor-made.

LANEX Corporation is a full-cycle software development company delivering custom digital products for startups and global enterprises. With deep expertise across Node.js, React, Angular, Laravel, .NET, Java, Flutter, Kotlin, and cloud platforms including AWS and Kubernetes, LANEX builds scalable, secure solutions tailored to each client's technology requirements and business objectives. Serving industries from banking and healthcare to retail, logistics, and energy, their agile teams bring domain-specific knowledge that accelerates delivery and reduces risk. LANEX's end-to-end offering—from UI/UX design through to post-launch support—ensures digital products are not only technically sound but built to elevate brand credibility and deliver exceptional user experiences at scale.

View LANEX Corporation Profile
Inside Service Listing

$25-$49/hr

Hourly Rate
Inside Service Listing

$25,000+

Min. Budget Size
Inside Service Listing

50 - 249

Team size
Inside Service Listing

San Francisco, USA

Location

2

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

2

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

View Profile Visit Website
Services Provided
info
Expertise Distribution (%)
  • 20% Web Development

  • 20% Mobile App Development

  • 20% Software Development

  • 20% Web Design

  • 20% Cloud Computing Services

ENJOY THE JOURNEY TO YOUR SUAPPERNOVA

Attractor Software LLC is a custom software development company providing reliable outsourcing services since 2012. We deliver scalable, high-quality solutions for startups and enterprises, handling projects of all sizes—from data visualization tools and web applications to complex eCommerce platforms and fintech systems. Our core services include MVP development for startups, SaaS applications, fintech solutions, business intelligence systems, CRM/HRM platforms, social networks, and enterprise-grade eCommerce marketplaces. We also build navigation apps and innovative VR solutions for business use. With expertise across modern technologies such as React, Angular, Node.js, Python, Ruby on Rails, Golang, Laravel, and Flutter, we develop robust web and mobile applications tailored to your needs. Our team uses agile methodologies and industry-leading tools to ensure efficient project management, transparent communication, and timely delivery. Attractor Software focuses on delivering secure, scalable, and performance-driven digital products—helping businesses innovate, optimize operations, and achieve long-term success.

View Attractor Software LLC Profile
Inside Service Listing

$25-$49/hr

Hourly Rate
Inside Service Listing

$10,000+

Min. Budget Size
Inside Service Listing

10 - 49

Team size
Inside Service Listing

Los Angeles, USA

Location

1

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

1

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

View Profile Visit Website
Services Provided
info
Expertise Distribution (%)
  • 11% Web Development

  • 45% IT Services

  • 22% Software Development

  • 11% Mobile App Development

  • 11% Cloud Computing Services

IT managed services and consulting firm

Langtech is a trusted IT solutions and digital transformation company helping businesses streamline operations through innovative technology services. With over 25 years of industry experience, the company delivers fully integrated solutions, including managed IT services, cloud computing, virtualization, CRM implementation, custom software development, and on-site technical support. By combining deep technical expertise with a customer-focused approach, Langtech enables organizations to improve efficiency, enhance collaboration, and accelerate business growth. Headquartered in San Francisco, the company partners with businesses of all sizes to manage complex technology environments and implement scalable solutions that support long-term operational success and digital innovation.

View Langtech Profile
Inside Service Listing

N/A

Hourly Rate
Inside Service Listing

$1,000+

Min. Budget Size
Inside Service Listing

10 - 49

Team size
Inside Service Listing

San Francisco, USA

Location

1

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

1

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

View Profile Visit Website
Services Provided
info
Expertise Distribution (%)
  • 10% Web Development

  • 20% Mobile App Development

  • 20% Software Development

  • 20% IT Services

  • 20% Business Services

  • 10% Cloud Computing Services

Access Elite Talents in Hour

Scalable Remote Workforce & Managed Support Solutions Our fully managed outsourcing services help growing businesses build a scalable, high-performing remote workforce without the complexity of in-house hiring. We handle the entire talent lifecycle—from recruitment and screening to onboarding, training, and day-to-day management—so your team can focus on driving results and business growth. We maintain a strong global network of experienced professionals, giving companies quick access to qualified sales representatives and customer support specialists. Our structured training programs and performance management systems ensure consistent productivity and service quality. Our core services include lead generation, appointment setting, cold calling, email prospecting, client retention, and live sales chat handled by skilled representatives. On the support side, we deliver inbound customer service, virtual receptionist services, technical support, and live chat assistance across phone, email, and messaging channels. By providing cost-effective, flexible staffing solutions for U.S.-based brands and global businesses, we help organizations reduce operational costs, improve customer experience, and scale operations faster with reliable remote teams.

View RemoteReps Profile
Inside Service Listing

< $25/hr

Hourly Rate
Inside Service Listing

$1,000+

Min. Budget Size
Inside Service Listing

1,000 - 9,999

Team size
Inside Service Listing

Encinitas, USA

Location

1

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

1

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

View Profile Visit Website
Services Provided
info
Expertise Distribution (%)
  • 10% Web Development

  • 20% Mobile App Development

  • 10% Ecommerce Development

  • 10% Web Design

  • 10% Digital Marketing

  • 10% Blockchain Development

  • 10% Artificial Intelligence

  • 10% Product Engineering services

  • 10% CMS

Here's to building smarter, faster, and better digital products together

Frenchy Digital is a Los Angeles–based mobile app development company specializing in AI-powered software solutions for startups and enterprises. Founded in 2019, our team has successfully delivered 50+ custom mobile and web applications across industries including event platforms, insurance technology, social networking, entertainment, and CRM integrations. We provide end-to-end development services including native iOS and Android app development, cross-platform development with React Native and Flutter, AI and machine learning integration, custom web application development, API integration, and UI/UX design. Our developers leverage modern technologies such as React, Next.js, Node.js, Python, Django, and cloud platforms like AWS and Google Cloud, along with advanced AI frameworks including OpenAI, TensorFlow, and Hugging Face. As a minority-owned digital agency with offices in Los Angeles, Paris, and North Africa, Frenchy Digital brings diverse perspectives and global expertise. We partner closely with clients from product strategy and MVP development to launch and long-term support, delivering scalable, intelligent digital products that drive innovation and business growth.

View Frenchy Digital LLC Profile
Inside Service Listing

$50-$99/hr

Hourly Rate
Inside Service Listing

$25,000+

Min. Budget Size
Inside Service Listing

10 - 49

Team size
Inside Service Listing

Los Angeles, USA

Location

1

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

1

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

View Profile Visit Website
Services Provided
info
Expertise Distribution (%)
  • 10% Web Development

  • 20% Ecommerce Development

  • 20% Mobile App Development

  • 10% Software Development

  • 10% Web Design

  • 10% IT Services

  • 10% Artificial Intelligence

  • 10% Cloud Computing Services

Driven by technology, designed for people, built to last

We are a results-driven technology company based in California, specializing in cloud transformation, custom software development, and big data analytics. By combining advanced engineering with data-driven insights, we help businesses scale efficiently and achieve measurable growth. Our expertise spans cloud security, mobile app development (iOS & Android), software testing, and IT consulting. We also provide end-to-end cloud migration services and analytics solutions to optimize operations and drive informed decision-making. Focused on innovation and execution, we deliver scalable, secure, and high-performance digital solutions that empower businesses to stay ahead in a competitive marketplace.

View Jaxel Profile
Inside Service Listing

$50-$99/hr

Hourly Rate
Inside Service Listing

$5,000+

Min. Budget Size
Inside Service Listing

50 - 249

Team size
Inside Service Listing

Pleasanton, USA

Location

1

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

1

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

View Profile Visit Website
Services Provided
info
Expertise Distribution (%)
  • 10% Web Development

  • 10% Ecommerce Development

  • 10% Mobile App Development

  • 10% Software Development

  • 10% Blockchain Development

  • 10% Internet of Things

  • 10% Artificial Intelligence

  • 10% Cloud Computing Services

  • 10% CMS

  • 5% Digital Marketing

  • 5% IT Services

Plan Driven. Be ready for tomorrow's business world, today.

Founded in 2014, Ordex Technology Solutions (OTS) is a trusted software development company delivering high-quality, customized IT solutions for businesses worldwide. We specialize in custom software development, eCommerce websites, mobile app development (Android & iOS), and seamless integrations such as QuickBooks and marketplace automation. Our team provides end-to-end services—from requirement analysis and solution design to development, deployment, and ongoing support. We help businesses maximize IT value, streamline operations, and adapt to evolving market demands. With a strong focus on innovation, quality, and client satisfaction, OTS delivers scalable, secure, and performance-driven solutions that empower organizations to achieve sustainable growth and long-term success.

View Ordex Technology Solution Inc Profile
Inside Service Listing

< $25/hr

Hourly Rate
Inside Service Listing

$5,000+

Min. Budget Size
Inside Service Listing

50 - 249

Team size
Inside Service Listing

Cerritos, USA

Location

1

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

1

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

View Profile Visit Website
Services Provided
info
Expertise Distribution (%)
  • 10% Web Development

  • 20% Mobile App Development

  • 10% Ecommerce Development

  • 10% Software Development

  • 10% Web Design

  • 10% IT Services

  • 10% Internet of Things

  • 10% Artificial Intelligence

  • 10% Cloud Computing Services

An AI Agent Engineering Company

Kwanso is a leading design and development consultancy specializing in bringing product visions to life. With over a decade of experience, we have successfully partnered with Fortune 100 companies, startups, digital agencies, and mid-sized enterprises. Acting as a trusted technology partner, we provide agile, high-performing teams to deliver projects on time and within budget. Our expertise spans web and mobile app development, UI/UX design, generative AI solutions for enterprises, Internet of Things (IoT) applications, and comprehensive QA testing. Kwanso empowers businesses to innovate, scale efficiently, and create impactful digital products that drive measurable results.

View Kwanso LLC Profile
Inside Service Listing

$25-$49/hr

Hourly Rate
Inside Service Listing

$25,000+

Min. Budget Size
Inside Service Listing

50 - 249

Team size
Inside Service Listing

San Francisco, USA

Location

1

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

1

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

View Profile Visit Website
Services Provided
info
Expertise Distribution (%)
  • 10% Web Development

  • 20% Mobile App Development

  • 10% Software Development

  • 10% Web Design

  • 10% IT Services

  • 10% Artificial Intelligence

  • 10% Product Engineering services

  • 10% Cloud Computing Services

  • 10% CMS

Let's build something great together.

Plus8Soft is a global software development company helping startups and enterprises build, scale, and modernize digital products using cutting-edge technologies and flexible engagement models. Our distributed team of engineers, product experts, and project managers delivers high-quality, cost-effective solutions across industries. We go beyond coding—acting as a true technology partner by aligning with your goals, integrating with your workflows, and providing strategic insights that accelerate product success. From MVP development and team augmentation to legacy system modernization, we deliver scalable, future-ready solutions. With a strong focus on Agile development, transparency, and continuous improvement, Plus8Soft ensures predictable delivery and measurable outcomes—empowering businesses to innovate faster and grow with confidence.

View Plus8soft Profile
Inside Service Listing

$25-$49/hr

Hourly Rate
Inside Service Listing

$5,000+

Min. Budget Size
Inside Service Listing

50 - 249

Team size
Inside Service Listing

Palo Alto, USA

Location

1

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

1

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

View Profile Visit Website
Services Provided
info
Expertise Distribution (%)
  • 10% Web Development

  • 20% Ecommerce Development

  • 20% Mobile App Development

  • 20% Software Development

  • 10% Web Design

  • 10% Artificial Intelligence

  • 10% CMS

Unleash Agility: Your Trusted Partner for Outsourcing

Native DevOps is a global digital transformation partner delivering advanced software development, mobile applications, and scalable web solutions. With 7+ years of experience and over 250 successful projects, we help startups, SMEs, and enterprises modernize operations and accelerate digital growth. Our expertise spans UI/UX design, custom software development, and full-stack engineering using modern technologies like React, Angular, Vue.js, Node.js, and Golang. We build high-performance mobile apps for iOS and Android using Swift, Kotlin, and cross-platform frameworks such as Flutter and React Native. We also specialize in web and CMS development (PHP, Laravel), Progressive Web Apps (PWA), and next-gen solutions including Web3, blockchain, and NFT platforms. Our eCommerce capabilities cover Shopify, WooCommerce, and Shopware, delivering conversion-focused online stores. In addition, we offer flexible staff augmentation models to scale your development team efficiently. Partner with Native DevOps to leverage innovative, secure, and future-ready digital solutions that drive efficiency, enhance user experience, and deliver measurable business results.

View Native DevOps Profile
Inside Service Listing

$25-$49/hr

Hourly Rate
Inside Service Listing

$5,000+

Min. Budget Size
Inside Service Listing

10 - 49

Team size
Inside Service Listing

Los Angeles, USA

Location

1

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

1

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

View Profile Visit Website
Services Provided
info
Expertise Distribution (%)
  • 10% Web Development

  • 30% Mobile App Development

  • 20% Web Design

  • 10% Ecommerce Development

  • 10% Software Development

  • 10% Digital Marketing

  • 10% CMS

Delivering innovative IT solutions to fuel your digital transformation

Baymediasoft Technologies is a full-service IT and digital solutions company providing custom software development, mobile app development, web development, and UI/UX design services. The company serves clients across the US, UK, and global markets, helping businesses of all sizes accelerate their digital transformation journeys. Baymediasoft offers end-to-end development services from ideation and design to deployment and post-launch support, with expertise in technologies including React, Node.js, Flutter, iOS, Android, and cloud platforms. The firm is known for its competitive pricing, agile development methodology, and strong project management practices that ensure timely delivery of quality digital products.

View Baymediasoft Technologies Profile
Inside Service Listing

$25-$49/hr

Hourly Rate
Inside Service Listing

$1,000+

Min. Budget Size
Inside Service Listing

50 - 249

Team size
Inside Service Listing

Van Nuys, USA

Location

1

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

1

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

View Profile Visit Website
Services Provided
info
Expertise Distribution (%)
  • 10% Web Development

  • 20% Digital Marketing

  • 20% IT Services

  • 10% Ecommerce Development

  • 10% Mobile App Development

  • 10% Software Development

  • 10% Cloud Computing Services

  • 10% CMS

Your trusted partner for end-to-end software development solutions

Developers Dev is a large-scale software development and IT services company providing comprehensive digital solutions to businesses worldwide. With a team of thousands of developers, the firm offers services spanning custom software development, mobile app development, web development, UI/UX design, AI and machine learning integration, cloud computing, and IT staff augmentation. Developers Dev caters to startups and enterprises alike, delivering scalable and innovative technology solutions at competitive rates. The company emphasizes quality assurance, agile delivery methodologies, and dedicated project management to ensure on-time, on-budget delivery for clients across North America, Europe, and beyond.

View Developers Dev Profile
Inside Service Listing

< $25/hr

Hourly Rate
Inside Service Listing

$5,000+

Min. Budget Size
Inside Service Listing

1,000 - 9,999

Team size
Inside Service Listing

San Jose, USA

Location
Pagination
1
2
3
4
Pagination

Why Companies Trust SelectedFirms?

SelectedFirms bridges the gap between businesses and digital service providers as a trusted B2B research and listing platform. With the trust of 14,000+ companies and a growing community of 1M+ users, we empower businesses with reliable insights to make confident decisions.

why_companies_trust_sf_1

Human-verified companies

We manually review companies to ensure they meet our quality standards before they appear on the platform.

why_companies_trust_sf_2

Research-driven rankings

We rank companies using a clear ranking methodology based on real client feedback, expertise, market credibility, and how well teams execute — not hype.

why_companies_trust_sf_3

Always up-to-date insights

We regularly refresh listings with new reviews, portfolio updates, and market changes to keep decisions relevant.

why_companies_trust_sf_4

Verified credibility signals

From verified badges to editorial reviews, we highlight companies that show real commitment to quality and transparency.

Scroll To Top