

About Instazen
About
Instazen is building a cutting edge software platform for small to medium-sized enterprises. We have a razor focus on the user and on usability. We are building a team of passionate software artisans to build a world-class product. If you know Python or Javascript and are interested in us, do write in.
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Job Title: React Lead Developer
Location: Airoli, Mumbai
Work Mode: Work from Office (WFO) – Full-time
About the Role:
We are seeking a highly skilled and experienced React Lead Developer to join our growing team in Airoli, Mumbai. The ideal candidate will lead front-end development efforts, mentor developers, collaborate closely with cross-functional teams, and play a key role in delivering scalable, high-performance web applications.
Key Responsibilities:
- Lead the design and development of responsive web applications using React.js
- Collaborate with UX/UI designers, product managers, and backend teams to deliver high-quality products
- Write clean, maintainable, and well-documented code
- Optimize applications for performance and scalability
- Conduct code reviews and ensure coding best practices are followed
- Mentor and guide junior developers in the team
- Participate in architectural discussions and contribute to tech strategy
- Keep up with emerging trends and technologies in frontend development
Required Skills & Experience:
- 6+ years of experience in frontend development, with at least 3 years in React.js
- Strong proficiency in JavaScript (ES6+), HTML5, CSS3, Redux, and REST APIs
- Experience with React Hooks, Context API, and component-based architecture
- Familiarity with Webpack, Babel, and modern build tools
- Experience with version control tools like Git
- Exposure to Agile methodologies and CI/CD pipelines
- Strong problem-solving and debugging skills
- Excellent communication and leadership qualities
Nice to Have:
- Experience with TypeScript, Next.js, or React Native
- Exposure to cloud platforms (AWS/Azure)
- Familiarity with testing frameworks (Jest, Cypress, etc.)
Education:
Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field

What We Need
We need someone who's already lived this life. Someone who's built interfaces that real people depend on daily. Someone who can sit with a complex data requirement at 2pm and walk away at 6pm with components that feel magical.
You don't need to be taught how to structure a React app. You don't need to learn what SSR costs at scale. You don't need to "grow into" frontend architecture. You already know these things so deeply that you can focus on the only thing that actually matters: building experiences
that users love.
Your Craft:
● JavaScript/TypeScript flows through your mind like visual thinking
● React/Next.js are languages you speak fluently, not tools you use
● Client-side and server-side rendering are choices you make with intention
● Material UI, Styled Components feel like extensions of your creativity
● WebSockets and Highcharts make you smile when real-time data needs to dance
(bonus points)
The Reality
The work is beautifully challenging. The data is complex but the interfaces need to be simple.
The problems are the kind that make you sketch solutions on napkins. And the team? They actually care about pixel-perfect experiences.
If you're the type who gets energized by turning complex data into clear insights, you'll probably fall in love with what we do here. If you prefer static layouts or predictable requirements, this might not match your creative energy - and that's completely okay.

Job description
We are looking for an experienced HTML developer to oversee the design, coding, and implementation of projects.
In this role, you will be required to collaborate with Website Designers on the initial web design, write the code, ensure cross-platform compatibility, and provide user support.
To be successful as an HTML developer, you should have a good eye for detail and excellent knowledge of front-end technologies like HTML5, CSS3, Bootstrap.
HTML Developer Responsibilities:
Meeting with Web designers to discuss project design and layout.
Coding the entire HTML site from end to end.
Debugging code and front-end web applications.
Ensuring cross-platform compatibility.
Troubleshooting application errors.
Conducting website performance and usability tests.
Meeting publication deadlines.
Providing user support.
HTML Developer Requirements:
At least 2 years experience as an HTML Developer.
In-depth knowledge of front-end coding languages including HTML, CSS
Basic Knowledge on Javascript, Jquery
Ability to troubleshoot coding and application errors.
Knowledge of web design and user application requirements.
Ability to meet strict publication deadlines.
Good understanding of SEO principles and ensuring that the application will adhere to them

● Design and develop responsive and visually appealing web applications and user interfaces using HTML, CSS, and JavaScript, React frameworks.
● Collaborate with UX designers, product managers, and software engineers to understand project requirements and translate them into interactive, user-friendly interfaces.
● Ensure the technical feasibility of UI/UX designs and optimise applications for maximum speed and scalability.
● Conduct code reviews and provide constructive feedback to team members, fostering a culture of continuous improvement.
● Stay updated with the latest industry trends, best practices, and emerging technologies in UI development, and recommend their integration to enhance our products.
● Identify and address performance and compatibility issues across different browsers and platforms.
● Champion UI development best practices, standards, and guidelines within the development team.
● Collaborate with backend developers to integrate front-end interfaces with server-side logic and APIs.
● Troubleshoot and debug UI-related issues and provide timely resolutions.
● Mentor junior developers, assisting them in enhancing their skills and knowledge in UI development.
● Write and encourage other engineers to write automated tests.
Skills/ Experience
● Bachelor's degree in Computer Science, Software Engineering, or related field (or equivalent practical experience).
● Proven experience as a UI Developer or Front-End Developer, with at least 3+ years of hands-on experience in building user interfaces for web applications.
● Proficiency in front-end technologies such as TypeScript, Tailwind, React, Redux.
● Strong understanding of responsive design principles.
● Solid knowledge of web performance optimization techniques and best practices.
● Familiarity with Figma and other UI/UX design tools, to collaborate effectively with designers.
● Demonstrated experience in writing UI components to corresponding backend APIs and Databases.
● Excellent problem-solving skills and ability to troubleshoot complex UI-related issues.
● Strong communication and collaboration skills, with the ability to work effectively in a team-oriented environment.

Experience: 3.5 - 5 years
Description :
- Very good experience in design and development on UI front end Technologies.
- Minimum 3+ Years of web application development using HTML 5, CSS3, Bootstrap, JavaScript.
- Experience in development of Angular 2/4/6.
- Expertise in Responsive web design, HTML5, and CSS pre-processors SASS and LESS
- Good in UML, OOPS, design principles and patterns, architectural trends and data modeling.
- Strong in JavaScript (object oriented concepts) & JavaScript optimization
- Experience on JavaScript frameworks such as AngularJS, ReactJS, NodeJS etc.
- Ability to convert Wireframes in to UI design
- Good designing capabilities using Bootstrap framework, SEO and using strategies for cross-platform design initiatives with a 360-degree digital design
- Strong experience with debugging skills and fixing Cross Browser Compatibility issues and Optimization for web by using best practices
- Good Communication
- Good knowledge of quality standards and best practice

As someone who will be a part of our team, your understanding of the product and our customers will be incredibly valuable.
Skills Required
- Thorough understanding of React.js and its core principles.
- Experience with popular state management tool -Redux
- Experience with HTTP based packages like Axios.
- GIT experience is a plus
About You
- You take initiative and ownership to see things through to completion. If it needs doing, you do it.
- You’re eager to take on challenges. When you don’t know something, you embrace the chance to grow and get better.
- We work together as a team, and that means we encourage each other to improve as a team. You are self-sufficient and love the challenge of solving problems and learning new things
As a React.js Developer, you will be involved from conception to completion with projects that are technologically sound and aesthetically impressive.
Benefits:
- Food allowance
- Leave encashment
- Paid sick time

- A self-driven UI engineer with an eye for detail UI Design and Development
- Build solutions that’ll be used by thousands of enterprises globally
- Meld UX and great looking UI and Wireframe while keeping excellent code quality
- Thrive in a collaborative team environment and work with challenging timelines
- Design and build web apps that are scalable, puts user experience front and center
- Develop modular UI components for company-wide reuse
- Evolve a common design language for UI across apps
- Establish and advocate front-end coding guidelines
- Iterate UI features with high speed
- Work with ambiguous product requirements and shared backend APIs
REQUIREMENT-
- 2-4 years of experience with working on UI frameworks like Angular
- Experience in product companies would be a plus
- Must have a solid understanding of JavaScript and related libs, CSS
- Big plus if familiar with Django, Flask, Postgres, Linux, Git, AWS
- Writing high-performance, reliable and maintainable code
- Ability to define cross-core contracts and bring them to closure through collaboration.
- Analytical and problem-solving skills
- Working knowledge of Git and proficiency with Jenkin


We are looking to hire an experienced AngularJS Developer having hands on experience with
.net technologies to join our dynamic team. You will be responsible for creating a top-level
coding-base using Angular best practices. Your role will require you to implement an
exciting and streamlined user experience in the form of a Java-based desktop and mobile
web-app.
To ensure success as an AngularJS Developer, you should have extensive knowledge of
theoretical software engineering, be proficient in JavaScript, HTML, and CSS, and have
excellent project management skills. Ultimately, a top-class AngularJS Developer can design
and build a streamlined application to company specifications that perfectly meet the needs of
the user.
AngularJS Developer Responsibilities:
Designing and developing user interfaces using AngularJS best practices.
Adapting interface for modern internet applications using the latest front-end
technologies.
Writing JavaScript, CSS, and HTML.
Developing product analysis tasks.
Making complex technical and design decisions for AngularJS projects.
Developing application codes and unit tests in AngularJS, Java Technologies, and Rest
Web Services.
Conducting performance test, Consulting with the design team.
Ensuring high performance of applications and providing support.
AngularJS Developer Requirements:
Bachelor’s Degree in Computer Science, Computer Engineering or similar.
Previous work experience as an AngularJS Developer.
Overall working experience between 3-5 years.
Hands-on experience with .NET framework 4.5, 4.6, 4.7, .net core, ASP.NET, MVC,
Entity Framework, JSON, Rest APIs, WCF C#.
Proficient in CSS, HTML, and writing cross-browser compatible code.
Experience using JavaScript building tools like Gulp or Grunt.
Knowledge of JavaScript MV-VM/MVC frameworks including Angular JS.
Excellent project management skills.
Proven experience implementing front-end and back-end JavaScript applications.
Excellent communication skills.
Critical thinker and good problem-solver.
Please connect me on Linkedin Shrashti jain

Job Description:
Why are we here?
We are looking for a Fullstack Developer who is motivated to combine the art of design with the art of programming. Responsibilities will include implementing visual elements and their behaviors with user interactions. You will work with both front-end and back-end web developers to build all client-side logic. You will also be bridging the gap between the visual elements and the server-side infrastructure, taking an active role on both sides, and defining how the application looks and functions. You will be boarded into the team that manages higher secondary school projects on the Salesforce stack. You will be given an opportunity to learn the entire ecosystem of salesforce.
Mandatory skills to have/ Responsibilities:
● Overall 4+ years of experience and a strong understanding of JavaScript, its quirks, and workarounds.
● Good understanding of web markup, including HTML5 and CSS3.
● Strong hands-on experience with advanced JavaScript libraries and frameworks such as AngularJS or Angular 2+ etc.
● Understanding of Software Design Patterns.
● Good understanding of AJAX, REST APIs, Remote functions, and prior development experience in building the same.
● Proficient understanding of cross-browser compatibility issues and ways to work around such issues.
● Familiarity with front-end build tools, such as Grunt and GulpJs.
● Proficient understanding of code versioning tools, such as Git.
Good to have:
● Hands-on experience in Python



About this Role:
As part of the frontend development team, you will be responsible to build and maintain client side applications for our users collaborating with cross-functional teams comprising Product, Design, BI, and other engineers.
You will define best practices for client side architecture and build for the long term over iterations that bring measurable business value.
You will be involved in recruiting engineers for the team and mentoring them
As a company, we are very data driven and customer focused. As an engineering team, we are driven by metrics and care deeply about agility without compromising on the quality of our output. We are working towards creating an environment where individuals feel empowered to take ownership and initiative.
About You:
● You have a minimum of 7 years of experience building high-performance consumer-facing mobile applications at product companies of a decent scale
● You have a keen eye for mobile architecture and able to assist your team in making the right choices for every project
● You have previous experience building react native applications from scratch
● You have prior experience with recruiting and building a high-performance team
● You have a passion for mentoring and helping people on your team grow and achieve their goals
● You practice test-driven development
● You are familiar with both Android and iOS design patterns, and GraphQL
● You have some exposure to native app development in Swift, Kotlin, or Java
● You have strong knowledge of software development fundamentals, including a relevant background in computer science fundamentals and agile development methodologies.
● You are an excellent collaborator & communicator. You know that startups are a team sport. You listen to others, aren’t afraid to speak your mind and always try to ask the right questions.
● You are excited by the prospect of working in a distributed team and company.
Location: We are primarily looking for candidates in Bangalore but are open to other locations in India for the right candidate. At the moment, however, like most teams, we are fully remote.

