Hire JavaScript Developers
ScienceSoft offers development services by JavaScript engineers skilled in architecting and building large-scale web and mobile apps. In either a dedicated or augmented team, our developers leverage MEAN stack and other JavaScript frameworks to deliver dynamic frontends and sustainable back-ends.
Our Related JavaScript Services
If you find either of the offers below closer to what you’re searching for, click on the box to check out our dedicated page
React Native
Node.js
Why Partner Up with ScienceSoft
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In early 2020, we hired ScienceSoft to help our team with front-end portal development focusing on SCSS and Angular 9. ScienceSoft’s team is highly skilled and extremely committed to providing excellent results. The cooperation ran very smoothly. We enjoyed our collaboration with ScienceSoft and won’t hesitate to recommend their front-end development expertise!
Vilnis Vitolins, owner, LTA Nams
Skills that Drive Our JavaScript Development
JavaScript frameworks, platforms, and libraries
General
Node.js-specific
JavaScript-specific development tools
Mobile development frameworks
Clouds
Click on the technology to learn about our capabilities in it.
Platforms
Click on the platform to learn about our capabilities in it.
QA
DevOps
Application monitoring
Source control
Architecture patterns
Microservices
MVC
SPA
MVVM
PWA
Reactive architecture
Multi-tenancy
Decoupled (headless)
Cloud-native
CQRS
Eevent sourcing
DDD
Clean architecture
Serverless
Phil, Senior JavaScript Developer
Experience in JavaScript development: 7 years
Summary
Skilled in front-end architecture design and development of large and complex web solutions.
Major projects
- Front-end development of an online collaboration platform for cybersecurity experts. Lead in a team of 15 developers.
Technologies: JavaScript (React.js, Redux), TypeScript, CSS3/HTML5, SASS/SCSS, Cytoscape, REST API, Jest.
- Front-end architecture design and development of a web application for a furniture manufacturer and retailer. Senior in a team of 19 developers.
Technologies: JavaScript (React.js, Redux), MySQL, HTML, CSS, GIT, Jira.
- Full-stack development and integration of an online marketplace for a CNC manufacturer. Senior in a team of 10 developers.
Technologies: JavaScript (React.js, Redux), TypeScript, HTML5, CSS3, Node.js, MongoDB, Stripe API, Jira.
Hard skills
- Front-end and full-stack agile development of large web applications using React, Angular, Typescript, Vue.js, Ember.js, and Node.js.
- Design and development of front-end architectures (MVC, SPA, PWA, micro-frontends, etc.)
- Coding of UI components; knowledge of modern JavaScript design patterns.
- Proficiency in SAAS and CSS; use of scalable and maintainable CSS architectures.
- Ensuring cross-browser and cross-platform compatibility.
- Knowledge of XML and XML-based standards.
- Experience with relational (MySQL, Microsoft SQL Server) and NoSQL (MongoDB) databases.
- Ability to quickly understand existing large codebases.
- Unit testing and rigorous code review.
Soft skills
- Flexible; adapts to new processes and requirements in under 3 days.
- Clearly communicates ideas to teammates, PMs and product owners.
- Cooperates with product owners during requirement verification.
- Willing to lead and mentor juniors and/or new team members.
- Eagerly contributes to discussions on front-end architecture design.
- Bridges the gap between business needs and technical limitations.
- Proactively polishes code, optimizes front-end performance to improve user experience.
Development methodologies and practices
- Agile methodologies: Scrum, Kanban, XP.
- DevOps.
Education
Bachelor of Science in Computer Science.
How Our JavaScript Developers Ensure Code Quality
Coding best practices
- Adherence to JavaScript coding guidelines and code quality tools (e.g. JSLint).
- Adherence to data security practices.
- Descriptive names for all variables and in-code comments.
- Code and dependencies are documented.
- Code is divided into short and focused units.
- Use of frameworks’ APIs, third-party libraries, version control tools.
- Ensured code portability.
- Reasonable code standardization and automation.
Unit testing
- Unit tests are a part of a functional requirements specification.
- Focus on verifying code behavior in response to the input of standard, boundary, and incorrect values.
- After each significant code change unit tests are rerun to ensure proper performance.
Code review practices
- Ad hoc review.
- Peer review.
- Code walkthrough.
- Code inspection.
Code quality metrics
- Maintainability index (MI).
- Cyclomatic Complexity (CC).
- Depth of Inheritance.
- Class Coupling.
All types of software
- Web apps (including PWAs and SPAs.)
- Hybrid and cross-platform mobile apps.
- Cloud applications.
- XaaS/SaaS.
- Custom APIs.
Of various complexity
- Large and complex applications, requiring 50+ FTE teams.
- Applications with multiple integrations.
- MVPs.
- Libraries.
For all groups of end users
- Custom enterprise platforms and corporate apps.
- Commercial software products (B2B, B2C, B2E).
Our Hallmark JavaScript Projects
Mobile Video Streaming Apps for a TV Industry Leader
- 5.5+ years of cooperation, ongoing evolution by 9 developers.
- Multi-screen apps for online streaming used by 6 major US broadcasting companies.
- A proprietary Backbone.js-based framework to enable fast and easy app updates via cloud..
Technologies: JavaScript, Backbone.js, jQuery, RequireJS, Underscore.js.
Team Augmentation for Marketplace Development: Go, Angular, Swift, Kotlin
- Development and support of a multi-vendor marketplace with 14 major product categories.
- 1+ year of cooperation.
- Iterative Angular 10 front-end development and evolution to ensure high user experience.
Technologies: JavaScript, Angular, TypeScript, Golang, Go kit, Kubernetes.
Redesign, Migration, and Modernization of a Corporate Training Web Portal
- Team of 3 developers and 1 QA engineer working under the Scrum methodology.
- Front-end modernization using the AJAX technology.
- API integration testing and load testing to ensure stable performance.
Technologies: Angular 4, HTML, CSS, TypeScript, RxJS, AJAX, Selenium.
Development and Continuous Evolution of a CMS Product – Enonic
- Team of 5 developers and 1 QA specialist.
- 5+ years of cooperation.
- Code refactoring from ExtJS to TypeScript to ensure dynamic nature of the CMS.
Technologies: JavaScript, TypeScript, HTML, CSS, ExtJS, Less.js.
Development of an Azure-based Software Product for Business Process Automation
- Highly dynamic SaaS software product with a custom monitoring module.
- Agile (Scrum) development with the DevOps (Docker, CI/CD) approach and the proprietary IMAAT (Integrated Manual and Automated Testing) technique.
Technologies: Angular 10, TypeScript 3.9, MySQL, MobX, Jasmine, RxJS.
AR Content Management System for a Digital Signage Solution
- Team of a PM, 2 senior Node.js devs, a senior React dev, a middle React dev, and a QA engineer working according to Scrum for 6 months.
- Custom web app for managing AR content & devices.
- Integration with a Unity3D plugin.
Technologies: Node.js, FeathersJS, Amazon S3, MariaDB; React, Redux.
How We Ensure Successful Cooperation
On-demand team adjustment
Whenever you request services of a dedicated JavaScript team or augment your existing team with our JavaScript experts for hire, ScienceSoft takes on responsibility to scale the teams up or down in just 1-2 days if required.
Transparency of progress and results
In case of a dedicated team cooperation model, we use such KPIs as cycle time, team velocity, and deployment frequency to make sure our JS developers always show the highest performance. To guarantee cooperation transparency, we give you access to our reporting tools, where you can track task completion.
Highly motivated employees
ScienceSoft takes care to motivate and provide professional growth possibilities for JavaScript developers to ensure their skills don’t get rusty. We regularly organize internal training sessions and encourage our developers to participate in tech conferences.
JavaScript team augmentation
Leverage the experience of ScienceSoft’s JavaScript developer(s) to handle skill deficiency or bridge staff gaps in your project.
Dedicated JavaScript team
Entrust your JavaScript project or its part to a team of skilled JavaScript talents managed by ScienceSoft’s Team Lead/PM.