

About Optiblack LLC
Optiblack LLC is a company that specializes in providing tech and analytics services. We offer a range of solutions to help businesses meet their goals, including:
- Data Analytics: we can help you extract insights from your data to make informed decisions.
- Web Development: we can design and build custom websites for your business.
- Mobile App Development: we can create mobile apps for both iOS and Android platforms.
- AI and Machine Learning: we can leverage these technologies to automate tasks and improve efficiency.
Optiblack LLC has a team of experienced professionals who can help you with your project. They have a track record of success in delivering high-quality solutions to our clients.
About the Role
We are looking for a passionate and talented intern developer to join our growing team at Optiblack LLC. This is a fantastic opportunity to gain hands-on experience building and maintaining our React Native mobile application. You will work alongside experienced developers and contribute to a product used by millions of users.
Responsibilities:
- Develop new features and functionalities for our React Native mobile application.
- Collaborate with designers and backend developers to ensure a seamless user experience.
- Write clean, maintainable, and well-documented code.
- Fix bugs and identify areas for improvement in the existing codebase.
- Stay up-to-date with the latest trends and technologies in React Native development.
- Participate in code reviews and provide constructive feedback.
Qualifications:
- Strong understanding of React Native development concepts.
- Experience with JavaScript (ES6+) and related frameworks.
- Familiarity with React development principles is a plus.
- Experience with Git version control system.
- Excellent problem-solving and debugging skills.
- Ability to work independently and as part of a team.
- Strong communication and interpersonal skills.
- A passion for learning and staying updated with the latest technologies.
Bonus Points:
- Experience with building cross-platform mobile applications.
- Experience with UI/UX design principles.
- Experience with unit testing frameworks like Jest or Mocha.
- Experience working on Social Media Apps or having an interest in working on them.
** Internship Duration:** 3 Months
Location: Remote
To Apply:
Please submit your resume and a cover letter explaining your interest in the position and why you think you would be a good fit for our team

About Optiblack
About
Optiblack creates websites, mobile apps, SaaS and commerce solutions for ambitious organisations investing in growth and digital transformation. We do that by finding the sweet-spot between business need and customer demand, fusing insight, creativity and technology to build products that create value.
In 2022 the company has grown 30X and team has grown to 7+ members
Candid answers by the company
Optiblack is a SaaS Development firm that scales and optimizes the product development for SaaS Companies. We are experts in designing, building and optimising digital products.
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We are a fast-growing tech company building scalable and modern web applications. Our team works on cutting-edge technologies in AI, automation, and digital solutions. We are looking for a Frontend Intern (Next.js) to join our engineering team and contribute to building interactive and user-friendly web applications.
Role & Responsibilities
- Build, test, and deploy responsive user interfaces using Next.js and React.
- Collaborate with designers and backend developers to implement seamless user experiences.
- Optimize components for maximum performance across web-capable devices and browsers.
- Work on real-world projects involving dashboards, AI products, and customer-facing platforms.
- Assist in debugging, code reviews, and documentation.
- Stay up-to-date with the latest frontend trends and best practices.
Requirements
- Basic understanding of JavaScript/TypeScript, React.js, and Next.js.
- Familiarity with HTML5, CSS3, and modern styling frameworks (TailwindCSS, Material UI, etc.).
- Knowledge of REST APIs or GraphQL integration.
- Good problem-solving skills and willingness to learn quickly.
- Ability to work in a collaborative team environment.
- Prior experience with Git/GitHub is a plus.
Nice-to-Have (Optional but a Plus)
- Experience with server-side rendering (SSR) and static site generation (SSG) in Next.js.
- Exposure to UI/UX design tools (Figma, Adobe XD, etc.).
What You’ll Gain
- Hands-on experience working on live projects with production-scale applications.
- Mentorship from experienced developers.
- Exposure to the complete product development lifecycle.

Job Description:
We are looking for a good JavaScript developer who is proficient with React.js. Your primary focus will be on developing user interface components and implementing them following well-known React.js workflows (such as Flux or Redux). You will ensure that these components and the overall application are robust and easy to maintain. You will coordinate with the rest of the team working on different layers of the infrastructure. Therefore, a commitment to collaborative problem solving, sophisticated design, and quality product is important.
Responsibilities
- Developing new user-facing features using React.js
- Building reusable components and front-end libraries for future use
- Translating designs and wireframes into high-quality code
- Optimizing components for maximum performance across a vast array of web-capable devices and browsers
Skills:
- 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 (Redux)
- Familiarity with newer specifications of ECMAScript
- Experience with data structure libraries (e.g., Immutable.js)
- Knowledge of isomorphic React is a plus
- Familiarity with RESTful APIs
- Knowledge of modern authorization mechanisms, such as JSON Web Token
- Familiarity with modern front-end build pipelines and tools
- Ability to understand business requirements and translate them into technical requirements
- A knack for benchmarking and optimization
- Familiarity with code versioning tools (such as Git, SVN, and Mercurial)

Responsibilities:
- Responsible for development of new highly-responsive, web-based user interface
- Work and collaborate in a scrum structure
- Develop components and libraries that are reusable and future-proof
- Develop a flexible and well-structured APIs to support the system
Required Skills:
- Excellent understanding of Javascript including the OOP concept and how DOM work
- Thorough understanding of React.js and its core principles
- Prior experience with popular React.js workflows (such as Flux or Redux)
- Prior experience with data structure libraries (e.g., Immutable.js)
- Familiarity with RESTful APIs
- Familiarity with HTML / CSS
- GIT experience
- Knowledge of modern authorization mechanisms, such as JSON Web Token
- Familiarity with modern front-end build pipelines and tools
- Experience with common front-end development tools such as Babel, Webpack, NPM, etc.
- Should be comfortable working in our Bangalore office from Day 1.
- Should possess good communication skills.
About Eastvantage:
At Eastvantage, our mission is to create meaningful jobs and provide careers that are knowledge-based, inspiring, and always with the potential for development and growth.
We are an independently-owned Global business solutions company enabling offshore operations from our locations in the Philippines, India, Bulgaria, Vietnam and Belgium. With European roots, we provide our services to global companies that have offices in every populated continent in the world. We have been in the industry for over a decade, growing from a handful to over 1200 happy employees over the years.
We invite you to navigate through our website to get to know who we are, to see what sets us apart in culture and thinking. Join us and be part of our success story!

Job Description
We are looking for a qualified Front-end developer to join our IT team. You will be responsible for building the ‘client-side’ of our web applications. You should be able to translate our company and customer needs into functional and appealing interactive applications.
If you’re interested in creating a user-friendly environment by writing code and moving forward in your career, then this job is for you. We expect you to be a tech-savvy professional, who is curious about new digital technologies and aspires to combine usability with visual design.
Ultimately, you should be able to create a functional and attractive digital environment for our company, ensuring great user experience.
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Use markup languages like HTML to create user-friendly web pages
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Maintain and improve website
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Optimize applications for maximum speed
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Design mobile-based features
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Collaborate with back-end developers and web designers to improve usability
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Get feedback from, and build solutions for, users and customers
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Write functional requirement documents and guides
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Create quality mockups and prototypes
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Help back-end developers with coding and troubleshooting
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Ensure high quality graphic standards and brand consistency
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Stay up-to-date on emerging technologies
Skills and Qualifications
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Proven work experience as a Front-end developer. 2+ Years of industry experience as front end developer.
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Hands on experience with markup languages
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Experience with React JS, JavaScript, CSS and jQuery
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Familiarity with browser testing and debugging
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In-depth understanding of the entire web development process (design, development and deployment)
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Understanding of layout aesthetics
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Knowledge of SEO principles
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Familiarity with software like Adobe Suite, Photoshop and content management systems
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An ability to perform well in a fast-paced environment
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Excellent analytical and multitasking skills


Fulfil’s software engineers develop the next-generation technologies that change how millions of customer orders are fulfilled by merchants. Our products need to handle information at a massive scale. We're looking for engineers who bring fresh ideas from all areas into our technology.
As a Front End software engineer, you will work on the ReactJS powered user interface used by Fulfil merchants to manage their back-office operations. This is mission critical software and your primary focus will be on developing user interface components and implementing them following well-known React.js workflows. You will ensure that these components and the overall application are robust and easy to maintain. In this role, you will be collaborating closely with the rest of the team working on different layers of infrastructure in an international environment. Therefore, a commitment to collaborative problem solving, sophisticated design, and quality are important.
What You’ll Do:
- Collaborate with a small yet extraordinarily talented team of engineers to implement front-end technologies
- Develop new user-facing features using React.js and React Native
- Work closely with the Design and Product teams to translate complex technical workflows into delightful user experiences
- Define how Fulfil builds user interfaces and ensure that we’re utilizing and keeping up with modern web standards
- Continually test, measure, and iterate on the results of your work in the spirit of continuous improvement
- Write clean, reusable, and well-tested front-end code
- Help to bridge the responsibilities of the Product and Engineering teams, spending time with both on the way to launching new products
- Architect efficient and reusable front-end abstractions and systems that drive complex web applications
- Create reliable and type-safe applications with Typescript
- Build and contribute to open source projects
- Build reusable components and front-end libraries for future use
- Optimize components for maximum performance across a vast array of web-capable devices and browsers
We’re Looking for Someone With:
- 5+ years of experience as a front end engineer
- Experience in building large-scale web applications in a fast-moving team environment
- A strong understanding of UX and UI design standards
- The perfectionist’s touch on a pragmatist’s deadline: you strive for pixel-perfection and intuitive functionality
- Strong proficiency in JavaScript (2-4 Years of experience), including DOM manipulation and the JavaScript object model
- Thorough understanding of React.js and its core principles, with experience in popular React.js workflows
- Experience with common front-end development tools such as Babel, Webpack, NPM, etc
- Experience with popular testing frameworks, like Jest, Cypress, and Testing Library.
- The ability to bring any design to life with HTML and CSS, with cross browser compatibility and accessibility
- Smarts, humility, communication skills, and equal willingness to teach and learn
- Familiarity with RESTful and GraphQL APIs
- Knowledge of modern authorization mechanisms, such as JSON Web Token
- Experience in developing large client side JavaScript applications
- Familiarity with code versioning tools like GIT
- Experience with Javascript testing tools and test automation
Nice to Haves:
- Prior experience at a growth stage Internet/Software company
- Demonstrated work beyond the front-end, experienced in integrating with a wide array of back-end technologies and services (e.g. experience with Python, AngularJS)
- Experience developing large client-side applications and optimizing them for performance
- You can straddle client and server development, creating APIs that drive web apps
- You understand the intricacies of timezones
- Web optimization, performance tools, and load testing
- You maintain or contribute to an open-source project

We are looking for a seasoned frontend developer to join our product team. This role requires you to be a tech-savvy contributor in translating the customer needs and user expectation into interactive web apps. You’ll be an exceptional problem solver and take responsible actions in ensuring the application is optimized both in technology and in delivering best user experience.
Responsibilities:
- Work closely with design, product management and development teams to create elegant, usable, responsive and interactive interfaces across multiple devices.
- Turning UI/UX designs into prototypes, creating awesome interactions from designs, writing reusable content modules and maintainability of the code.
- Implement UI development principles to ensure that the product client-side serves at scale.
- Review and optimize the app usage by monitoring key metrics and rectifying the issues proactively.
- An ability to perform well in a fast-paced environment and bring in optimal flow for rapidly changing design/ technology.
Requirements:
- 2 to 5 years of relevant work experience as a web developer, UI developer, JavaScript expert or frontend engineer
- Experience in Frontend Technologies
- Typescript - the right way. Ie, not using it exactly like Javascript, instead using it in the way it was intended to be used.
- React
- GraphQL (Relay Specification is a plus)
- Apollo Client for React OR React-Relay
- Worked in large React Projects preferably in TypeScript, with proper usage of Typing.
- Familar with React Contexts and Hooks
- Should have a very good understanding, and practical knowledge in Advanced Guides in React (https://reactjs.org/docs/forwarding-refs.html" target="_blank">https://reactjs.org/docs/forwarding-refs.html)
- Familiar with UI layouts, SASS, bootstrap and the CSS GRID system
- Experience with a GraphQL backend using either Apollo Client for React or React Relay is a plus
- Experience using any one React UI Framework: Ant UI, Elastic UI, Material Framework for React, Blueprint UI or Bootstrap for React

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Should worked on Angular 7 or above version at least 1 to 2 years
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● Have experience on Angular 7 or above, Material Framework, JavaScript, es5, JQuery

Few words about Unify Technologies: Unify a Digital Engineering company. We help our clients by providing Digital Engineering Services to develop high-quality products. We have extensive experience in software product engineering and a successful track record of delivering on aggressive delivery plans without compromising on the quality in Cloud, Mobile, and Data practices.
Employment Type: Full-Time
Position: Sr. SDE and Lead SDE (Software Development Engineer)
Job Location: Hyderabad
Experience:
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ReactJS Jr Developer: 2-4 Yrs
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ReactJS Sr Developer: 4-8 Yrs
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ReactJS Lead Developer: 7-12 Yrs
Key Skills:
-
ReactJS Jr Developer: (Must: ReactJS+JavaScript Programming Experience+UI)
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ReactJS Sr Developer: (Must: ReactJS+JavaScript Programming Experience+UI)
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ReactJS Lead Developer: (Must: Team Lead Experience + ReactJS+JavaScript Programming Experience+UI)
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NOTE: For the Lead Developer Team leading exp is Must
Project: Product-Online Marketing, E-commerce Platforms and AI, Predictive Analytics
Joining time: Immediate to 30 days
Education: Master’s/Bachelor’s degree in Computer Science, Statistics, Engineering or a related technical discipline will be preferred
Skills Required for Front End UI (ReactJS) Sr Developer/Lead Developer:
-
Strong Experience in ReactJS/VueJS and JavaScript Programming
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Strong knowledge of HTML/CSS Page Designs, DOM, HTTP protocol and how the web works in general.
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Integrating with Backend Rest APIs
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Experience using libraries and frameworks like React, Redux, GraphQL and TypeScript.
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Experience building server-side APIs and proxies using Node.js.
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Strong Knowledge of managed and performance-oriented code with React and Redux, Mobx, Mobx-state-tree
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Good to have knowledge (Not must) with the SEO process
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Build pixel-perfect, buttery smooth UIs across both mobile platforms.
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Experience designing and building complex UI applications and implementing individual services that participate healthily in a microservice architecture.
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Ability to write well-documented, clean JavaScript code
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Familiarities with native Build tools, like XCode, Gradle and other required Build tools
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Understanding of REST APIs, the document request model, and offline storage
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Leverage native APIs for deep integrations with both platforms.
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Diagnose and fix bugs and performance bottlenecks for performance that feels native.
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Maintain code and write automated tests to ensure the product is of the highest quality.
Responsibilities:
-
Design, build, review and evolve durable, highly scalable event-driven infrastructure
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Architect and lead the development of backend services.
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Work with REST APIs and integrating them with our software platform
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Develop front end capabilities such as dashboards, visualizations, features
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Work on building best performance UI features and linking with backend
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Integrate all the front end features with a backend pipeline
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Integrate our AI models with the platform pipeline
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Work on bug fixing and improving application performance
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Unit-test code for robustness, including edge cases, usability, and general reliability
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Own new initiatives, Debug production issues
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Help define the way we work in the future including coding and design standards
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Work effectively in an agile development process
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Research cutting edge technology that can be applied to accelerate business growth
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Be the communication bridge be product owners and development teams

