Best Software Development and IT Services Companies in San Francisco

We partner with the world’s most valuable brands to build digital solutions that transform businesses. As a digital native, we bring a 27-year track record of accelerating business impact through complete and scalable digital solutions. With a global presence of 7,000+ professionals in strategy, research, data science, design and engineering, we unlock top-line growth, improve customer experience and drive operational efficiency.      

Cledar’s engineering team helps ensure that your complex data project has the right architecture to build a robust and scalable infrastructure.Cledar’s team consists of former CERN leadership and a scalable roster of expert engineers fluent in areas such as deep learning, AV processing, financial modeling, industrial and commercial process monitoring, and data mining.Cledar is headquartered in Poland with an office in the San Francisco Bay Area.

🏆 Rated one of the Best Software Development Agencies. 🏆 Ranking in the Top 10 in multiple ranking platforms  🏆 Over 50 top-notch web applications have already proven to be effective platforms. Blackstone helps companies reshape the world through software development supporting them to build solutions that capture new markets, innovate business models, and solve business challenges. Our primary focus is to provide an excellent experience for all the people who interact with us and the solutions we provide. For us, constant and clear communication is essential in building good long-lasting relationships. That's why we value, focus, and encourage fluid conversations with stakeholders to ensure everyone is on the same page. We also understand an exceptional product is never done and that living in a fast-paced world with markets moving all the time you need fast reliable software development and our agile approach allows us to do exactly that.  We’re a partner who can understand and anticipate all your unique project needs. From scoping and architecting to developing scalable high-quality products we help and guide you every step of the way.   Our Services:     •  Web Development    •  Mobile Development    •  eCommerce    •  Website Development    •  Legacy Migrations and Debugging Refactors    •  Specialized Enterprise Software   Every project includes:     •  Project Management    •  UAT Testing   Our tech stack:     •  React, Storybook    •  React Native    •  Node.js    •  TypeScript    •  Next.js, NestJS, Gatsby.js    •  GraphQL    •  Material UI, Bootstrap, Ant Design    •  Scss, Sass, PostCSS, HTML5, CSS3.    •  Jamstack (+ Headless CMSes)    •  AWS    •  CircleCI, Github Actions    •  PostgreSQL, MongoDB    

Yeti is a product development and design firm based in San Francisco that partners with Industry leaders, striving to stay ahead in an increasingly competitive market.  A major proponent of agile methodologies, Yeti is able to research, prototype, and test products fast and frequently. It also means we can predict and avoid snags that may surface in the development process. From beginning to end, our design and development teams partner closely with clients through meaningful conversations and extensive collaboration sessions. In a rapidly changing technology landscape, Yeti is not afraid of the unknown. And that’s how we help our clients stay industry leaders.

Catalyst UX is a leading full-service user experience design and development firm with specific practice areas in Medical, Life Science, and FinTech. Our unified UX approach, refined in over 700 engagements, provides clients with strategic digital innovation, ongoing user validation, risk reduction, and accelerated time to market. tion: none; vertical-align: baseline; white-space: pre-wrap;">Clients work with Catalyst UX because of our focused experience and industry expertise. When you work with Catalyst, you’ll have access to a dedicated, flexible team who will ensure your solution gets to market on time and under budget.   While we work across industries, we have deep expertise in: Medical & Life Sciences We design and deliver innovative software for medical and life sciences. We understand the complexities of this highly regulated industry through our experience spanning virtual care, digital therapeutics, patient monitoring, diagnostic imaging, medical devices, clinical trials, and chronic care. Learn more here: https://catalystux.com/medical FinTech Our work with FinTech providers brings innovative solutions to market that impact the lives of people across the globe. We have experience with: payment processing, asset management, cryptocurrency, digital banking, insurance, lending, payroll, real estate, investing, compliance and alternatives. Learn more here: https://catalystux.com/financial   We work with companies in three main areas: Application Moderization Each year $1.8 trillion is wasted on legacy systems. If you are operating legacy software, it's time to migrate. Work with Catalyst UX - the leader in legacy system modernization. Full UX Design & Development Our seasoned multi-disciplinary teams can deliver the full UX design and devlopment of your digital solution in 90-120 days. Digital Innovation Catalyst UX has been helping clients deliver innovative digital solutions for over 29 years. We know how to approach, design and develop software that solves complex problems.

HashCash is a global software company offering solutions in Blockchain, AI, Big Data, and IoT through its platforms, products & services. HashCash Blockchain products enable enterprises to move assets across borders in real-time for Remittances, Trade Finance, Payment Processing, and more. HashCash runs US-based digital asset exchange, PayBito & Digital asset payment processor, BillBitcoins. HashCash offers Exchange solutions, Payment processor software, ICO services, and customized Blockchain use case development. It propels advancement in technology through Blockchain1o1 programs and its investment arm, Satoshi Angels. HashCash solves the toughest challenges by executing innovative digital transformation strategies for clients around the world.

Create enterprise-class systems based on Go that are easy to develop, maintain, and scale. We improve Apart from doing our job, we’re always looking for ways to improve the organizations we work with. Our developers are not only closing Jira tasks - they are proactive and eager to do much more! We care We assign well-coordinated dev teams to combine efforts with your resources. We always ensure our developers are comfortable, familiar with the project, and socialized with the company. We grow Every developer on our team is a world-class expert. We guarantee their professional development. Together we have vast experience with helping large companies implement Go.

We are a 300+ person digital design and development studio bringing Silicon Valley to our clients worldwide. We pride ourselves on being agents of change, helping startups and Fortune 500 clients become industry leaders with innovative digital solutions.

TheoremOne is an innovation partner that builds new lines of business using technology as an enabler. We advise clients on digital product strategy, engineering, design, and culture, then partner with them to build, launch, and adopt new ways of working using custom software and business platforms.  Change the way problems are solved. Practical consulting Sophisticated engineering Effective methods Flexible working models Interesting people Simple monthly rates What we do: Innovate: New product development & innovation Modernize: Legacy modernization & workflow automation Rescue: Save failing tech projects & vendors Advise: Management consulting for digital transformation Accelerate: Strategic team augmentation Read more...

Our team consists of more than 60 professionals from all over the world. Many of them, apart from being brilliant programmers, are engineers and have Ph.D. in mathematics, algebra, game theory. We focus on high complexity tasks in the area of computer science. Our core competences are AI and blockchain. Service lines of Serokell are: ⦁ Research - our team of math and computer science academics uses respective skills to analyze whitepapers, find an opportunities to realize a bravest customer's ideas and come up with solutions that are non-generic and attuned to the needs of customers. ⦁ Development - architecture, protocol, implementation: offering full-cycle development we make sure that our software has a neat dependency structure and is fail-safe. ⦁ Auditing / Consulting - by auditing the technological and business processes of the company, we find opportunities to optimize it and build a list of actions to improve. Shedule a free consultation https://serokell.io/contactsRead more...

Mangosoft is a software engineering company that delivers business-transforming solutions with a focus on the functionality, innovativeness and best industry practices. Therefore, we create projects that help clients to boost their revenues, decrease operational costs and increase business effectiveness. We have delivered 250+ projects for clients across 30+countries, and have offices in the USA and Eastern Europe. Our company has solid experience of a close collaboration with market leaders including EBRD, Electronic Arts, and TouchPress, as well as with middle-sized businesses and startups. For each of our projects, we form a team of the best niche experts with desired technology skills. As a result, we deliver the product that perfectly matches all the project’s requirements and a customer gets optimal development costs and time-to-market. Transparent SDLС process, clear communication, and first-class services allow us to establish a long-term partnership with our clients and reach 62% of repeat business. First of all, we act as a strategic technology partner for our clients. That’s why we follow our main business approach - we don’t sell hours, we take responsibility for the final product. Specialties • Enterprise software, web, & mobile app development • Dedicated team • Technology Consulting • Software Testing & QA • DevOps • Cloud Services • UX/UI • Maintenance and Support Main corporate facts: • 90% of clients are ready to recommend us • 5+ mln of revenues our tech solutions let businesses increase • 70 % of our staff are specialists on seniors and middle positions • 3+ years is an average period of a partnership with clients