React Developer at Spica Systems · Kolkata · 2 - 4 years · ₹4L - ₹8L / yr · Raised funding · Posted 16 Mar 2022

About Company: Spica Systems (https://spicasys.com )
Spica Systems is a Silicon Valley based start-up, established in 2019 and are recognized as experts in building products and providing R& DandSoftware Development services in wide range of leading-edge technologies such as LTE, 5G, Cloud Services (Public -AWS, AZURE, GCP, Private -Openstack) and Kubernetes. Ithasa highly scalable and secured 5G Packet Core Network, orchestrated by ML powered Kubernetes platform, which can be deployed in various multi cloud modealong with a test tool. Headquartered in San Jose, California, we have our R& D centre in Sector V, Salt Lake Kolkata.
- Looking for a Software developer who will work on the product's Web UI side
- Hands on and working experience with React JS
- Experience in WebUI using Javascript technology.
- Experience: 2-4 years of React development in a team environment
- In-depth knowledge of JavaScript, CSS, HTML, and front-end languages.
- Knowledge of REACT tools including React.js, Webpack, Redux.
- Experience with user interface design. Knowledge of performance testing frameworks including Mocha and Jest.
- Experience with browser-based debugging and performance testing software.
Education: Bachelors/Masters in Computer Science, IT or Mathematics or Engineering
Traits: Quick learner, open minded, willing to learn

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Position Title:
SDE Intern – Mobile Application
Location: Remote
Duration: 6 months (with potential for full-time conversion based on performance)
About PGAGI:
At PGAGI, we believe in a future where AI and human intelligence coexist in harmony, creating a world that is smarter, faster, and better. We are not just building AI; we are shaping a future where AI is a fundamental and positive force for businesses, societies, and the planet.
Key Responsibilities:
• Develop and maintain cross-platform mobile applications using Flutter or React Native.
• Collaborate with UI/UX designers and backend developers to deliver seamless app experiences.
• Integrate RESTful APIs and work with JSON data parsing, asynchronous programming, and real-time data handling.
• Participate in regular code reviews and follow best practices in mobile development.
• Debug and troubleshoot issues, optimize app performance, and write unit tests.
• Learn and apply Git-based version control, task tracking, and agile workflows.
⸻Required Skills & Knowledge :Programming & Frameworks:
• Proficiency in Dart (Flutter) or JavaScript/TypeScript (React Native).
• Good understanding of OOP and functional programming principles.
• Experience with:
• Flutter: Widgets, navigation, state management (Provider, Bloc, etc.)
• OR React Native: Components, Redux, Context AP
IComputer Science Fundamentals:
• Basic understanding of data structures (arrays, stacks, queues, hash tables).
• Knowledge of basic algorithms (sorting, searching).
• Awareness of time complexity and code efficiency.
• Solid grasp of programming concepts like variables, loops, conditionals.
Mobile Development Concepts:
• Experience in building and deploying cross-platform mobile apps.
• Understanding of responsive design, Material Design, and iOS Human Interface Guidelines.
• Familiarity with asynchronous operations (async/await, Promises) and REST API integrations.
Networking & APIs:
• Basic knowledge of HTTP/HTTPS, request methods, and status codes.
• Hands-on experience using Postman or similar tools for API testing.
• Understanding of API security, including authentication and SSL basics.
Tools & Technologies:
• Familiarity with Git (GitHub, GitLab, Bitbucket).
• Experience using IDEs like Android Studio, VS Code, or Xcode.
• Awareness of unit testing frameworks (e.g., Flutter test, Jest).
• Understanding of build tools such as Gradle or Metro bundler.⸻
Preferred Qualifications:
• Pursuing or recently completed a B.E./B.Tech in Computer Science, IT, or related fields.
• Portfolio of previous mobile app projects (GitHub/Play Store link preferred).
• Willingness to learn, experiment, and work in a collaborative environment.
⸻What We Offer:
• Opportunity to work on real-world projects with direct mentorship from industry experts.
• Certificate of Internship and potential PPO (Pre-Placement Offer) based on performance.
• Exposure to modern product development practices and cross-functional team collaboration.
We are seeking a highly motivated Software Development Engineer with expertise in building scalable, extensible and user-friendly web applications. You will work with a fast paced Product Engineering team to build efficient and reusable web applications for mobile and fixed devices.
What you’ll do:
- Architect, Design, Code reviews and build scalable applications.
- You will be engaged in identifying and addressing performance bottlenecks, and collaborate with other team members to innovate current/new products.
- Identify, communicate and implement best practices for application engineering.
- Ensure high scalability and performance
- You will advocate for good, clean, well-documented and performing code; define and follow standards and best practices for front-end development.
We’d love for you to have:
- Experience: 1-3 yrs recent experience of working in a scalable web product firm
- Education: B.Tech/M.Tech in Computer Science from Top ranked colleges in India
- Excellent software development skills in developing web applications over client-side frameworks - Backbone, React (preferred) and/or angular frameworks (preferred); and server-side frameworks like node.js
- Excellent programming skills in object-oriented, modularised JavaScript, Typescript (preferred)
- Strong knowledge and working experience in server-side Event-driven programming using Node.js
- Excellent programming skills in Javascript, jQuery, AJAX, YUI.
- Passion for writing optimized code using JS best practices and design patterns
- Experience with JS or Java-based Unit/Integration Testing using Selenium, Appium, Selendroid
- Hands-on experience in building scalable web applications
- Excellent problem solving and debugging skills
- Good Knowledge of version control - GIT (preferred)
- Experience with the full software development lifecycle, design, develop, debug, document, and deliver (especially in a multiple site organization)
- Strong verbal and written communication skills
- Ability to deliver great results in an agile development
- Good to have: Working knowledge of web standards (i.e., REST) and OOPS
- Good to have: Experience in Data Structures, Algorithms and their optimization
Even if you don’t meet all of these qualifications above, we’d still love to hear from you. Tell us about your unique qualifications in your cover letter.
CaaStle is committed to equality of opportunity in employment. It has been and will continue to be the policy of CaaStle to provide full and equal employment opportunities to all employees and candidates for employment without regard to race, color, religion, national or ethnic origin, veteran status, age, sexual orientation, gender identity, or physical or mental disability. This policy applies to all terms, conditions and privileges of employment, such as those pertaining to training, transfer, promotion, compensation and recreational programs.
About us:
Astra is a cyber security SaaS company that makes otherwise chaotic pentests a breeze with its one of a kind Pentest Platform. Astra's continuous vulnerability scanner emulates hacker behaviour to scan applications for 8300+ security tests. CTOs & CISOs love Astra because it helps them fix vulnerabilities in record time and move from DevOps to DevSecOps with Astra's CI/CD integrations.
Astra is loved by 650+ companies across the globe. In 2023 Astra uncovered 2 million+ vulnerabilities for its customers, saving customers $69M+ in potential losses due to security vulnerabilities.
We've been awarded by the President of France Mr. François Hollande at the La French Tech program and Prime Minister of India Shri Narendra Modi at the Global Conference on Cyber Security. Loom, MamaEarth, Muthoot Finance, Canara Robeco, ScripBox etc. are a few of Astra’s customers.
Role Overview:
As an SDE I Front-End Engineer at our company, you will play a crucial role in the development of the dashboard for our SaaS security platform.
Your primary focus will be on utilising Next.js, React, TypeScript, shadcn/ui (built on Radix UI), Tailwind CSS & TanStack Query to create an intuitive and efficient dashboard that meets the evolving needs of our users. You will have the opportunity to work alongside talented individuals, collaborating to deliver innovative solutions and pushing the boundaries of what's possible in web development. The role requires deep collaboration with the leadership, product, design, back-end and QA teams.
Join our team and contribute to the development of a cutting-edge SaaS security platform, where high-quality engineering and continuous learning are at the core of everything we do.
Key Responsibilities:
- Collaborate with product managers, product designers, and backend engineers to understand project requirements and translate them into code.
- You will research, design and code. What you create is also what you own.
- Develop consistent and user-friendly web interfaces based on Figma designs, using Next.js, React and shadcn/ui
- Utilize TypeScript for type safety and enhanced development workflows, ensuring code quality and reliability.
- Implement designs using shadcn/ui design kit (built on Radix UI) for consistent and modern UI components + utilize Tailwind CSS to style components and ensure a cohesive visual experience across the dashboard.
- Integrate Tanstack Query & Jotai for efficient data fetching and state management.
- Optimize web performance and ensure compatibility across different browsers and devices.
- Write clean, modular, and maintainable code while adhering to best practices, security and coding standards.
- Participate in code reviews, providing constructive feedback and ensuring code quality.
- Troubleshoot and debug issues pre/post production, ensuring timely resolution to minimize impact on users. Identify and correct bottlenecks and fix bugs.
- Ensuring timely delivery of the features/products
- Stay updated on emerging technologies and industry trends, incorporating them into the development process when appropriate.
Requirements
- 3+ year of work experience with Next.js (preferred) or React
- Bachelor's degree in Computer Science, Engineering, or related field (or equivalent work experience).
- Strong proficiency in Next.js and React, with demonstrable experience building web applications.
- Experience working with design systems and UI libraries, preferably shadcn/ui (built on Radix UI).
- Proficiency in CSS, particularly with Tailwind CSS, for styling and layout.
- Familiarity with state management libraries such as Tanstack Query(React Query)/Jotai.
- Familiarity with version control systems such as Git.
- Understanding of basic UX principles and what makes a great user experience
- Solid understanding of web development concepts such as HTML, JavaScript, and responsive design principles.
- Excellent problem-solving skills and attention to detail.
- Strong communication and collaboration skills, with the ability to work effectively in a remote team environment.
- Eagerness to learn and adapt to new technologies and methodologies.
Benefits
- Embrace the cosy remote work lifestyle.
- Feel the startup adrenaline pumping through your veins.
- Revel in our open, growth-centric ambiance; it's like a digital playground.
- Dive deep into the captivating world of cybersecurity.
- And yes, get ready for some unforgettable workcations—think Chikmagalur & Jim Corbett.

Total working Experience
3 to 6 years
Job Location
Bangalore
Key accountabilities include:
- Must have 5+ years of experience in
- Secure web application development using Angular 7+
- Integrating the web application with REST APIs
- Strong logical problem-solving skill
- Must have strong knowledge in debugging the Angular application and REST APIs
- Must have strong knowledge in Data structure, Algorithms and Object-Oriented Programming
- Must have worked on IIS webs server and Angular
- Must have knowledge in data encryption and decryption algorithm using certificates & troubleshooting, SHA-256
- Good in web application debugging and troubleshooting.
- Good web application error log analysis
Skills
- Angular version 7+
- TypeScript
- JavaScript
- IIS / Tomcat / NGINX
- Data Structure
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.
Requirements
- 3.5+ years of experience in React JS and Redux
- Expert in React.j, ideally using TypeScript language extensions
- Good understanding of JavaScript Design Patterns
- Good experience writing front-end test cases
- HTML5, CSS3 and Responsive web design are mandatory
- Exposure to Scrum methodology and XP technical practices such as unit testing, pair programming, test-driven development, continuous integration or continuous delivery
- Self-motivated, fast learner, detail-oriented, team player and a sense of humour
Angular Developer
Key Responsibilities:
Responsible for coding the execution of complex designs and interactions that reflect the creative and art direction provided within the established technical framework
Responsible for creation of all coded UI deliverables
Able to shift between a creative and a technical focus depending on the project need and/or the type of project
Establishes presentation layer requirements
May need to rapidly produce interim deliverables (such as style guide components, technical specifications, browser and market analysis, prototypes, proofs of concept, etc.) in addition to the final live application
Participates in scoping and planning work
Participates in writing detailed technical and functional specifications documentation
Able to take initiative to research and learn emerging technologies
Required Skills:
Expertise in angular 4+ & above is highly preferable
Hands-on experience in Typescript, JavaScript, visualization libraries like D3
Experience in consuming REST services and implementing dynamic UIs.
Understanding of design patterns commonly used in large-scale web applications.
Experience in building high-performing and maintainable web applications.
Understanding of CI/CD will be preferred.
Knowledge of CSS pre-processors like SASS.
Proficient understanding of version management tools like SVN, Git.
Education
- Bachelors or master’s degree in Computer Science or related field
Relevant Experience
- 4 to 6 years
Job Description
Role -Software Engineer - Frontend
Responsibilities
⦁ 2+ years of current experience in Frontend domain
⦁ In-depth knowledge of JavaScript, CSS, HTML and front-end languages.
⦁ Knowledge of REACT tools including React.js, Webpack, Enzyme, Redux.
⦁ Experience with user interface design.
⦁ Knowledge of performance testing frameworks including Mocha and Jest.
⦁ Good Communication Skills.
Perks and Benefits
⦁ Competitive compensation and generous stock options
⦁ 100% employer-paid top-of-the-line medical, dental and vision coverage
⦁ Great benefits including unlimited PTO, parental leave and free snacks and beverages
⦁ The opportunity to work with some of the brightest minds from Silicon Valley most dominant and successful companies
⦁ Work on the latest and coolest technologies everything is home-grown and built ground-up
⦁ A dynamic work environment with a strong sense of community and collaboration
⦁ The open and transparent culture that encourages innovation, rewards performance and discourages hierarchy
⦁ Exciting opportunities for career growth and development
Feel free to contact me for further clarification.








