JavaScript & TypeScript
Development
Web and mobile software solutions to efficiently achieve your most ambitious business goals
12 reviews
138 reviews
5 reviews
Web Applications
Mobile Apps
Web Services
Deployment
- Developing scalable and secure web applications
- Creating PoC and MVP for fast idea validation and time to market
- Architecting, maintaining, and expanding enterprise-scale web solutions
- Developing cross-platform mobile apps for iOS and Android
- Developing mobile apps for web products ensuring seamless integration
- Updating existing apps to support new platform features
- Developing high-performance REST and GraphQL APIs
- Architecting microservice systems for modularity and maintainability
- Ensuring data security and integrity for large distributed systems
- Creating CI/CD pipelines, deploying web applications on cloud platforms
- Publishing apps to the App Store and Google Play Market
- Architecting and developing serverless backend infrastructure
Favorite JavaScript projects
Our technologies
Languages
JavaScript
TypeScript
Backend Frameworks
NestJS
Express
Frontend frameworks
Next.js
React
React Native
Expo
UI frameworks
Material UI
Ant Design
Tailwind CSS
NativeBase
Tamagui
Gluestack
Databases
MySQL
PostgreSQL
MongoDB
DynamoDB
Firebase FireStore
Firebase Realtime Database
Redis
Supabase
ORMs & FRMs
Sequelize
TypeORM
MicroORM
Objection.js
Mongoose
Prisma
Knex
Cloud technologies
AWS
GCP
Azure
Firebase
Automation tools
Docker
Swarm
Kubernetes
Github Actions
Libraries and tools
Node.js
Apollo GraphQL
Redux Toolkit
MobX
Zustand
Jotai
Storybook
React Testing Library
Jest
Mocha
Chai
Detox
Redux Saga
Puppeteer
Turborepo
Socket.io
React Query
Service Integrations
Stripe
MangoPay
Braintree
PayPal
Firebase
MS Graph / SharePoint
GitLab
Kaltura
Twilio
Mailgun
SendGrid
DocuSign
Adobe Sign
Twitter APIs
Google APIs
Meta APIs
Sentry
LangChain
OpenAI ChatGPT
50,000+
developers all over the world trust our open
source contributions to products like Yarn
What our clients say
I couldn’t speak more highly of their conduct, competence, trustworthiness, and reliability.
Adam Wood
Founder & CEO, CertifiedBy
5.0
SysGears exhibits great flexibility, adaptability, and receptiveness towards the client’s needs.
Alex Kushnir
Solution Architect, Sestra Systems
5.0
They jumped into our existing play-scala-mongo project and delivered value from the start.
Petros Maragkoudakis
Founder, All Inclusive Dining
5.0
Thanks to the efforts of the SysGears team, the company was able to launch a minimal viable product at the deadline. The team’s technological expertise played a big role in the success of the project.
Jennifer Harding
Director of Interoperability & Integration, Crisis Logic
5.0
The development formed the foundation of the client’s business and has become their core product.
Ansel Teng
CTO, boodleAI
5.0
They went above and beyond to understand the vision, and foresaw implementation complexities well in advance.
Joseph Corey
Founder, Subspace
5.0
Our values
Top 3% experts
We hire the most skilled talent and continuously dedicate effort to their professional development ensuring expert service level, which was recognised with a Top Rated Plus status on UpWork
Long-term relationship
We value relationship with out clients and are always ready to provide you with long-term team support, ensuring all your evolving business challenges are resolved in the most efficient way
Seamless team integration
We foster the culture of immersing into the established process and becoming a proactive part of your team to consistently ensure productive workflow and convenient communication
Collaboration models
Full-cycle development
Team augmentation
Taking care of your project from needs analysis and idea refinement to delivering quality working solutions based on users’ feedback
Providing vetted talents to complement your internal team and fast-forward your development efforts
Connect with our partner success manager to discuss your software solution
Sharing insights
Viktor Vlasenko
CEO & Software Engineer
Mykyta Bereziuk
JavaScript/TypeScript Engineer
Illia Kobalia
JavaScript/TypeScript Engineer
What else you need to know?
How much time will it take to develop an app with JavaScript?
The time needed for the JavaScript software development services depends on the complexity of the application you need. A corporate website or a landing page takes much less time than a complex management system or multi-functional mobile application. Specify your needs to us, and we’ll prepare a time & budget estimate for your case.
What software applications are typically built with JavaScript?
JavaScript is commonly used across a variety of industries, like healthcare, eCommerce, construction, fintech, and more. The software applications built with JS include:
- Interactive websites and single-page applications (SPAs)
- Cross-platform mobile apps
- Backend services and APIs
- Browser-based games
- Progressive Web Apps (PWAs) with enhanced capabilities and offline functionality
JavaScript is a versatile language applicable across different platforms and use cases.
Do you provide a service for ongoing product development?
Yes, we strongly believe that the product never stops evolving. All the enhancements based on the users’ feedback or changes due to market fluctuations help to make your business even more profitable. We are actively maintaining numerous projects for more than half a decade. Our software development teams are dedicated to the projects at all stages.
How quickly can you set up a dedicated team for my JavaScript project?
Depending on your needs and available resources the team setup can take from one day to two weeks. We will inform you about available resources at once, so that you can plan further activities. Moreover, if you need to start later, we can hold the team for you to fit your roadmap.
Boost your business with custom software
Tell us about your business needs and we’ll suggest a solution
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