Flutter App Developer

Description

We are looking for a Senior React.js Engineer to build high-performance, scalable, and accessible web applications using modern React and JavaScript/TypeScript. You will work closely with designers, product managers, and backend engineers to deliver robust user-facing features while maintaining high standards of quality, performance, and maintainability.

This role requires strong ownership, deep React ecosystem knowledge, and the ability to translate product requirements into clean, reliable front-end architecture.

At Proximity, you won’t just ship features — you’ll help shape frontend architecture, improve engineering standards, and contribute to products used at scale.

Responsibilities -

• Develop responsive, high-performance web applications using React.js and modern JavaScript/TypeScript.
• Build and maintain reusable UI components and front-end libraries to support scalable applications.
• Integrate with APIs and collaborate closely with backend teams to define clear and reliable contracts.
• Ensure applications meet accessibility, responsiveness, and cross-browser compatibility standards.
• Write and maintain unit, integration, and end-to-end (E2E) tests to ensure code quality and reliability.
• Optimize applications for speed, scalability, and SEO, including SSR and Next.js where applicable.
• Participate actively in code reviews, providing constructive feedback and upholding coding best practices.
• Collaborate with designers and product managers to translate wireframes and designs into functional features.
• Troubleshoot, debug, and resolve performance, reliability, and user experience issues.
• Stay up to date with the latest trends in the React ecosystem and proactively improve development processes and tooling.

Requirements

• 5–7 years of professional experience in frontend or web application development.
• Strong expertise in React.js and modern JavaScript, with solid experience using TypeScript.
• Deep understanding of component-driven development, state management, and frontend architecture patterns.
• Experience working with RESTful or GraphQL APIs and collaborating with backend teams.
• Strong knowledge of HTML, CSS, and modern styling approaches, including responsive and adaptive design.
• Hands-on experience with testing frameworks for unit, integration, and E2E testing.
• Proven ability to optimize applications for performance and scalability.
• Solid understanding of SEO fundamentals for modern web applications.
• Proficiency with version control systems such as Git.
• Strong problem-solving, communication, and collaboration skills.
• Ability to take ownership of features from design through production.

Desired Skills -

• Experience with Next.js and server-side rendering.
• Familiarity with modern frontend build tools and bundlers.
• Exposure to design systems or component libraries at scale.
• Understanding of Agile development methodologies.
• Open-source contributions or public projects demonstrating frontend craftsmanship.

Benefits

• Best in class compensation: We hire only the best, and we pay accordingly.
• Proximity Talks: Learn from experienced engineers, designers, and product leaders.
• Continuous learning: Work with a high-caliber team, challenge yourself daily, and grow your frontend expertise.

About us:

• We are Proximity — a global team of coders, designers, product managers, geeks, and experts. We solve complex problems and build cutting-edge technology at scale.
• Our team of Proxonauts is growing quickly, which means your impact on the company’s success will be significant. You’ll work with experienced leaders who have built and led multiple high-performing tech, product, and design teams.
• Here’s a quick guide to getting to know us better:
• Watch our CEO, Hardik Jagda, tell you all about Proximity.
• Read about Proximity’s values and meet some of our Proxonauts.
• Explore our website, blog, and design wing — Studio Proximity.
• Get behind the scenes with us on Instagram — follow @ProxWrks and @H.Jagda.

Job Title: Technical Specialist - Mobile/Web Application (React, React Native)

Location: Bangalore, India

Company: Mobile Programming LLC

Notice period: Immediate joiners required only.

Experience : 8+ years

Job Description:

We are seeking highly skilled Technical Specialists in Mobile/Web Application Development who can join our team in Bangalore, India. As a Technical Specialist, you will be responsible for developing and maintaining high-quality mobile and web applications using React and React Native.

Responsibilities:

• Collaborate with cross-functional teams to develop and enhance applications.
• Participate in the complete software development life cycle.
• Develop efficient code using React and React Native frameworks.
• Troubleshoot and debug applications.
• Ensure application performance, quality, and responsiveness.
• Conduct code reviews and stay updated with industry trends.
• Identify process improvement areas and mentor junior developers.

Qualifications:

• Bachelor's/Master's degree in Computer Science or related field.
• 8+ years of experience in mobile and web application development.
• Proficiency in React, React Native, JavaScript, TypeScript, HTML, CSS.
• Strong problem-solving and communication skills.
• Ability to manage multiple priorities and deadlines.

Preferred Qualifications:

• Experience with Angular, Vue.js, Node.js, or Java.
• Knowledge of mobile app deployment for iOS and Android.
• Familiarity with testing frameworks and CI/CD pipelines.

If you are passionate about mobile and web application development using React and React Native and can join immediately, please apply with your updated resume and cover letter highlighting your relevant experience. Join Mobile Programming LLC and contribute to exceptional digital experiences for our clients

Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model

● Thorough understanding of React.js and its core principles

● Experience with popular React.js workflows (such as Flux or Redux)

● Familiarity with newer specifications of ECMAScript

● Experience with data structure libraries (e.g., Immutable.js)

● Knowledge of REACT tools including React.js, Webpack, Enzyme, Redux, and Flux.

● Experience with user interface design.

● Knowledge of isomorphic React is a plus

● Familiarity with RESTful APIs

UI Developer

Notice Period: 45 days 

Banyan Data Services (BDS) is a US-based Infrastructure services Company, headquartered in San Jose, California, USA. It provides full-stack managed services to support business applications and data infrastructure.  We do provide the data solutions and services on bare metal, On-prem, and all Cloud platforms. 

We are looking for UI Developer whose primary task will be to design and implement user interfaces for maximum usability and performance in web applications.

If you have a creative mind, top-notch technical skills, a strong sense of user interface design, and are passionate to be a part of a rapidly growing rocket ship startup, run by a world-class executive team then you are on right track.

Key Roles & Responsibilities

· Work in a team to design and build software applications to function across multiple platforms and technologies.

· Use coding to develop the aesthetics implemented within a website or product, from the layout menus and drop-down options to colors and fonts

· Combine interface design concepts with digital design and establish milestones to encourage cooperation and teamwork

· Develop overall concepts for improving the user experience within a business webpage or product, ensuring all interactions are intuitive and convenient for customers

· Write code in addition to testing and debugging code on a variety of platforms to comply with company standards

· Perform the technical analysis on both new and existing applications and their performance in several system formats

· Collaborate with back-end web developers and programmers to improve usability

· Seek to enhance the user experience by creating seamless navigation through various digital programs and interfaces within the company

· Create surveys for research through various social media platforms to gather feedback on user's ease of use and incorporate the findings in the development

Key Skills & Qualification

· 3+ years of demonstrated experience in creating and implementing UI development

· 2+ years of professional experience in Native React

· Highly proficient in rendering components with Native APIs

· Hands-On experience in JavaScript, modern JavaScript, HTML, Materialized CSS, Bootstrap, React.js

· Highly proficient in one or more libraries I.e Redux, Redux with hooks, Redux with Thunk, React Router, for state managing and routing in addition to React.

· Proficient in using Git as a control system

· Good understanding of MVC frameworks

· Should have knowledge of Architectural design pattern

· Understanding and grasp of Agile development and Scrum practices

· Flexibility and deadline-driven

· Professional written and interpersonal skills

· Ability to prioritize and manage multiple milestones and projects efficiently

· Advanced problem-solving skills and the ability to optimize code for the best possible outcome

http://www.banyandata.com" target="_blank">www.banyandata.com 

• Develop new user-facing features
• Build reusable code and libraries for future use
• Ensure the technical feasibility of UI/UX designs
• Optimize application for maximum speed and scalability
• Assure that all user input is validated before submitting to the backend
• Collaborate with other team members and stakeholders

Skills And Qualifications

• Proficient understanding of web markup, including HTML5, CSS3
• Basic understanding of server-side CSS pre-processing platforms, such as LESS and SASS
• Proficient understanding of client-side scripting and JavaScript frameworks, including jQuery
• Good understanding of advanced JavaScript libraries and ReactJS frameworks.
• Good understanding of asynchronous request handling, partial page updates, and AJAX
• Basic knowledge of image authoring tools, to be able to crop, resize, or perform small adjustments on an image. Familiarity with tools such as Gimp or Photoshop is a plus.
• Proficient understanding of cross-browser compatibility issues and ways to work around them.
• Proficient understanding of code versioning tools, such as Git / Mercurial / SVN.
• Self-motivated and a good team player.
• Good communication and interpersonal skills.
• Preferred years of experience- 2- 3 years
• Bachelor’s Degree in Engineering from a reputed Institute.

Responsibilities 
- Develop new user-facing features 
- Ensure the technical feasibility of UI/UX designs 
- Optimize application for maximum speed

Skills And Qualifications 
- 2+ years of experience in ReactJS and Redux 
- 1+ completed project of reasonable size using server-side rendering 
- Knowledge of Preact is a plus 
- Proficient understanding of web markup, including HTML5, CSS3 
- Basic understanding of server-side CSS pre-processing platforms, such as LESS and SASS 
- Good understanding of asynchronous request handling, partial page updates, and AJAX 
- Proficient understanding of cross-browser compatibility issues and ways to work around them. 
- Proficient understanding of Git