Senior Javascript Developer at Cirtru - Circles of Trust · Mumbai · 2 - 5 years · ₹3L - ₹12L / yr · Raised funding · Posted 20 Sep 2022

Responsibilities
- Develop new user-facing features
- Build reusable code and libraries for future use
- Ensure the technical feasibility of UI/UX designs
- Optimize applications for maximum speed and scalability
- Assure that all user input is validated before submitting to back-end services
- Collaborate with other team members and stakeholders
Skills and Qualifications
- Strong understanding of JavaScript, its quirks, and workarounds
- Basic understanding of web markup, including HTML5 and CSS3
- Good understanding and the knowledge of advanced JavaScript libraries and frameworks such as AngularJS, KnockoutJS, BackboneJS, ReactJS, DurandalJS etc.
- Good understanding of asynchronous request handling, partial page updates, and AJAX
- Proficient understanding of cross-browser compatibility issues and ways to work around such issues
- Familiarity with JavaScript module loaders, such as Require.js and AMD
- Familiarity with front-end build tools, such as Grunt and Gulp.js
- Proficient understanding of code versioning tools, such as Git
- Good understanding of browser rendering behavior and performance

About Cirtru - Circles of Trust
About
Cirtru is a proptech startup for the USA. We have previously raised one round of funding but we are self sustainable since the last few years. Our team operates out of Mumbai (Goregaon East) and we are hiring across the board. Note that our positions are full time and we expect you to work from office, at least most of the days.
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What You’ll Do
● Collaborate with the systems architect and development team to design and implement a robust front-end architecture.
● Develop, test, and maintain high-quality user interfaces using modern front-end technologies.
● Translate UI/UX design wireframes into code, producing visually appealing and user-friendly interfaces.
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● Identify and troubleshoot front-end issues and implement effective solutions.
● Stay up-to-date with the latest industry trends and technologies to keep our product at the cutting edge.
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● Guide and mentor other engineers to ensure high-quality code and best practices
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● Proficiency in Languages HTML5, CSS3, and Angular 17+.
● Frameworks node.js, Flask, RESTful APIs, Strapi (CMS) ,Swagger/OpenAPI and related front-end technologies.
● Experience with front-end frameworks and libraries for Angular.
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● Excellent problem-solving and debugging skills.
● Strong communication and collaboration skills.
● Bachelor’s degree in Computer Science, Information Technology, or a related field.
● 15+ years of experience as a Front-end Developer, with a demonstrated track record in federal projects.
Nice to Have
● Advanced Skills: Experience with state management patterns (Redux, NgRx, Zustand) and building custom interactive components using SVG, Canvas, or libraries like GoJS, D3.js and React Flow.
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● Building enterprise UI/UX.
● Using AI for daily work.
● Early stage startup experience.
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● Problem Solver: You thrive on complex, ambiguous challenges and engineer elegant solutions.
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Job Description:
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- Design, develop, and maintain web applications and platforms
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Required Skills
- Strong knowledge of JavaScript, Python, or Java
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- Basic understanding of REST APIs
- Good problem-solving and analytical skills
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Experience working in a startup environment
Knowledge of cloud platforms (AWS, Azure, or GCP)
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NEED TO HAVE :
1) Have some knowledge of front end like React.JS
2) HTML, CSS
3) Strong in JavaScript concepts
4) Good communication skills
5) Loves to code
GOOD TO HAVE :
1) Experience with type script will be a plus
2) Experience with Nest.JS framework will be a plus
3) Strong hold on ES6 principles.
4) Familiar with TDD ( Test Driven Development ) will be a plus.
5) Familiar with working in CI / CD will be a plus
6) Micro-Service architecture knowledge will be an added benefit.
You can contact me on this WhatsApp number: Nine three one six one two zero one three two
Job Description
**mandatory
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Required Information
Details
Role** Angular developer
Required Technical Skill Set**
Angular 20 and above , JavaScript, jQuery, HTML, CSS, Bootstrap
No of Requirements** 4
Desired Experience Range** 6-10 Yrs
Location of Requirement : Bangalore/Hyderabad
Desired Competencies (Technical/Behavioral Competency)
Must-Have**
(Ideally should not be more than 3-5)
Angular20 & above, Bootstrap, Angular 10 and above , JavaScript, jQuery, HTML, CSS, Bootstrap
Good-to-Have
Knowledge on Material Design, Java, J2EE
Responsibility of / Expectations from the Role
1. Analyze and design the UI by understanding detailed business requirements
2. Develop modules with reusable components and customized frameworks
3. Responsible for the end to end UI deliverables in a timely manner
4. Guide juniors/trainees and groom them
5. Excellent interpersonal and communication skills
6. Interact effectively with peers and management across diverse cultures
Frontend Developers
- Contract To Hire (Initial Engagement: 6 months)
Experience: 5+ years
Mandatory Skills:
● React.js
● React Native
● JavaScript
● Experience in developing scalable and maintainable web and mobile applications
● Frontend architecture and reusable components
● State management
● REST API/backend service integration
● Application performance optimisation
● Authentication/authorisation and frontend security
● Git and pull-request-based development
● Clean, reusable and testable code
● Agile/product development experience
● Code reviews, debugging and production issue resolution
Good to have:
● TypeScript
● Next.js
● Jest / React Testing Library
● CI/CD
● Application monitoring
● Mobile deployment
Role Description
This is a full-time role for a React.js Developer who will be responsible for developing, maintaining, and optimizing responsive and scalable web applications. The successful candidate will work closely with UI/UX designers, backend developers, and product teams to convert designs and requirements into high-quality, production-ready applications. The role requires strong problem-solving skills, attention to detail, and the ability to take ownership of features from development through deployment.
Key Responsibilities
- Develop responsive and scalable web applications using React.js.
- Build reusable and maintainable frontend components.
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- Integrate frontend applications with REST APIs and backend services.
- Manage application state using Redux, Context API, Zustand, or similar technologies.
- Optimize applications for performance, responsiveness, and scalability.
- Debug and resolve frontend issues across development and production environments.
- Ensure cross-browser and cross-device compatibility.
- Collaborate with UI/UX designers, backend developers, QA, and product teams.
- Participate in code reviews and follow clean coding and development practices.
- Write and maintain appropriate tests for frontend applications.
- Stay updated with modern frontend technologies and best practices.
- Take ownership of features from development and testing through deployment and maintenance.
Requirements
- Strong proficiency in JavaScript (ES6+) and React.js.
- Good understanding of React Hooks, component architecture, props, state, and Context API.
- Strong knowledge of HTML5 and CSS3 and responsive web development.
- Experience integrating REST APIs and working with JSON.
- Experience with state management libraries such as Redux, Zustand, or similar.
- Experience with Git and GitHub/GitLab.
- Understanding of frontend performance optimization and browser debugging.
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- Experience with TypeScript and Next.js is preferred.
- Familiarity with UI libraries such as Tailwind CSS, Material UI, or similar is a plus.
- Experience with frontend testing tools such as Jest, Vitest, or React Testing Library is a plus.
- Good problem-solving and analytical skills.
- Strong communication and collaboration skills.
- Ability to work independently, prioritize tasks, and meet deadlines.
- A proactive approach to learning and solving technical problems.
Candidates with strong practical experience, personal projects, GitHub contributions, or demonstrable frontend work may also be considered in place of extensive professional experience.
About the Role
We are seeking motivated and enthusiastic Frontend Developer Interns to join our team remotely for a 3-month internship. This role offers an excellent opportunity to gain hands-on experience in web development, work on live projects, and strengthen your portfolio. While this is an unpaid internship, interns who successfully complete the program will receive a Completion Certificate and a Letter of Recommendation.
Responsibilities
- Build and maintain user-facing features with HTML, CSS, and JavaScript/TypeScript.
- Assist in developing web applications using frameworks like React, Vue, or Angular.
- Translate UI/UX wireframes into responsive and interactive web pages.
- Ensure performance, accessibility, and cross-browser compatibility.
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- Collaborate with mentors, designers, and backend developers.
- Document code and contribute to team discussions.
Requirements
- Knowledge of HTML5, CSS3, and JavaScript (ES6+).
- Familiarity with at least one frontend framework (React preferred).
- Understanding of responsive and mobile-first design.
- Basic experience with Git/GitHub.
- Good problem-solving, communication, and teamwork skills.
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What You’ll Gain
- Real-world project experience to add to your portfolio.
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- Completion Certificate after the internship.
- Letter of Recommendation based on performance.
- Potential for consideration in future paid opportunities.
Internship Details
- Duration: 3 months
- Type: Remote (Work from Home)
- Stipend: Unpaid
- Perks: Certificate of Completion + Letter of Recommendation
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