React.js Developer

Job Title : Lead Web App Developer – Frontend

Experience : 10+ Years

Location : Bengaluru

Work Mode : Hybrid (3 days in office)

Role Overview :

We are seeking a Lead Frontend Engineer to build and maintain responsive, cloud-based web applications. This role involves developing efficient user interfaces using React.js, collaborating closely with UX and backend teams, and ensuring high-quality code.

Key Responsibilities:

• Frontend Development: Create and maintain web applications using React.js, HTML, CSS, and JavaScript/TypeScript.
• Collaboration: Work with UX designers to deliver excellent user experiences and ensure seamless backend integration.
• Code Quality: Write clean, efficient, and maintainable code while staying updated with modern practices.
• Build & Deployment: Manage build pipelines with Jenkins, deploy to CDNs, and leverage GCP for scalable solutions.
• Technical Expertise: Implement JavaScript frameworks and libraries for web analytics and use Git for version control.

Requirements:

Technical Skills:

• Proficiency in React.js, HTML, CSS, JavaScript/TypeScript, and Node.js frameworks.
• Strong debugging and problem-solving skills.
• Exposure to RDBMS and SQL (preferred).

Soft Skills:

• Excellent communication and collaboration abilities.
• Leadership skills to guide and inspire a team of developers.
• Education: Bachelor's/Master’s in Computer Science or related fields.

Notice Period: 30 days preferred

Interview Process:

1. Technical Round: Online technical assessment (1 hour).
2. Face-to-Face Interview: In-person interview with the team at the Bengaluru office (3 hours).
3. Final Round: Online interview with the CEO (30 minutes).

Additional Information:

• Candidates from Bengaluru or willing to relocate are preferred.
• F2F interview attendance on a weekday is mandatory.

📍 Position : Lead Angular Developer

📅 Experience : 7 to 12 years

🧑‍💼 Open Positions : 2

📍 Work Location : Bangalore, Pune, Chennai

🏢 Work Mode : Hybrid – 3 days/week in-office

📅 Notice Period : Immediate to 15 days preferred

🔧 Key Responsibilities :

• Lead the design, development, and optimization of responsive and scalable web applications.
• Collaborate closely with UI/UX designers to translate wireframes into high-quality code.
• Drive component-based architecture using modern Angular frameworks.
• Develop reusable, testable, and efficient frontend components using Angular (v2+), JavaScript/ES6, and HTML5/CSS3.
• Ensure seamless integration with APIs, services, and backend systems.
• Conduct thorough unit testing and support integration testing using tools like Jasmine, Karma, Cypress, or similar.
• Promote coding best practices, maintain code quality, and align with SOLID principles and modern design patterns.
• Participate in pair programming, Agile, and Extreme Programming (XP) practices.

🛠️ Must-Have Technical Skills :

• Expertise in Angular (latest versions) and core JavaScript/ES6
• Working knowledge of ReactJS (preferred)
• Strong understanding of HTML5, CSS3, and responsive design techniques
• Familiarity with design tools : Figma, Adobe XD, InVision, Sketch
• Performance optimization for web apps and knowledge of deployment to various web servers
• Testing frameworks : Jasmine, Karma, Cypress, or similar

🎯 Ideal Candidate Profile :

• Currently working as an Individual Contributor in a product-based company
• Proven expertise in leading frontend modules or small teams
• Ability to build user interfaces that are beautiful, functional, and intuitive
• Passionate about clean code and frontend craftsmanship
• Strong communicator and a natural collaborator

🧪 Interview Process :

1. Round 1 : Technical pairing assessment
2. Round 2 : Technical round with panel
3. Round 3 : HR discussion

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

We are looking to hire an experienced AngularJS Developer to join our dynamic team. 

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. 

• Proficient understanding of Angular
• Experience of working on DOM based JavaScript frameworks.
• Experience with JavaScript, HTML, CSS and jQuery.
• Familiarity with ticketing tools JIRA & Trello.
  Excellent in analytical and multitasking skills.
• UX (Front-End) development.
• Ability to work with a team of developers, communicating professionally and effectively.

• 5 years professional experience writing full-stack REST-based applications.
• Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model.
• 2-4 years of experience working with reactJS.
• Thorough understanding of the core principles of ReactJS.
• Prior experience with popular React.js workflows (such as Flux or Redux).
• Knowledge of modern authorization mechanisms, such as JSON Web Token.
• Knowledge of Spring Boot, Spring Security, Spring JPA & Hibernate.
• Experience working with SQL and NoSQL databases.
• Adopted opinionated Restful web services design patterns.
• Knowledge of Application containerization technologies, including Dockers, Kubernetes , and cloud-vendor implementations (AWS, Azure, other).
• Ability to pick up and learn new technologies quickly.
• Strong verbal and written communication skills.

• 8+ years of experience with one of the top frontend frameworks - React (preferred) and with App development (recommended)
• Demonstrated experience in managing  successful engineering teams across both web and app development
• Solid understanding of modern CSS methodologies like SCSS, SASS
• Exposure to latest developments in UI development like PWA, Single Page Apps, Hybrid Apps, Responsive web design etc
• Deep understanding of Javascript topics including the V8 Engine, Async, Memory
• Management, Duplex Communication.
• Understanding of app development practices
• Prior startup experience is a plus

We are looking for UI developers with good knowledge of React JS. As a developer you will be responsible for understanding the requirements and developing the UI as per UX / VDs provided by the business / product team. You will be responsible for delivering a performant, robust and easy to maintain application. You will co-ordinate with different teams like backend developers, QA, product team and devops team to ensure quality deliverables.

Qualifications

• Bachelor’s or higher degree in Computer science or related technical field
• 2-4 years of experience in developing UI components leveraging React.js
• Experience in eCommerce domain is an advantage

1. Develop User interfaces for Modern Rich Internet Applications with the latest Front End Technologies Perform product analysis and development tasks of increasingly complex nature which may require extensive research and analysis.
2. Writing tested and documented JavaScript, HTML and CSS
3. Make design and technical decisions for AngularJS projects.
4. Ensuring high performance