


We are looking for a talented Front-end Engineer capable frontend developer to join OneFin!
Responsibilities
- Work closely with the design and backend team to build and develop web applications for our forward-thinking products.
- Design large-scale systems with high complexity to support our high throughput applications.
- Understand how to leverage infrastructure for solving such large-scale problems.
- Develop tools and contribute to open source wherever possible.
- Adopt problem-solving as a way of life - always go to the root cause.
- Develop scalable front-end engineering, for the largest FinTech companies in India who use our product.
- Actively think about improving UX and UI.
- Collaborate with the team to discuss and implement ideas.
- Build responsive, robust, and optimized applications.
- Professional development experience with Angular 10
- At least 1-3 years of JavaScript development experience for web applications.
- Strong eye for design, UI, and UX.
- Passion for front-end development.
- Willingness to learn and experiment with new technologies.

About OneFin
About
OneFin is a technology credit platform - we are building the operating system for financial services. We have built modular, plug-and-play APIs to help our partners (like NBFCs, financial institutions, fintech's, startups etc.) underwrite and collect loans from end customers. In a highly credit underserved country with rapidly increasing smartphone adoption, we are enabling any company to become a fintech company through our suite of APIs and regulatory layer, and helping build customised financial products for "Middle India" and its 360 million customers - for consumption based use cases, upskilling / education financing, medical financing, etc.
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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 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 out for Flutter Developers who will be running and designing product application features across various cross platform devices. We are looking out for someone who has experience using Flutter widgets that can be plugged together, customized and deployed anywhere. You should be passionate about writing code, and taking up full ownership of app development.
Qualification :
Bachelor's degree in computer science, software engineering, or a related field is preferred.
Experience :
Minimum 1 year experience in Flutter or Andriod App Development.
Responsibilities
- ● Building and shipping a robust application to Android/iOS devices using a single codebase
- ● Writing readable and clear code using Dart that will be extensively documented for future use and upgrades
- ● Sharing feedback and brainstorming ideas with teams to improve the development process
- ● Understand basic concepts of design for developing user friendly applications
- ● Stay up to date with the latest technologies
- ● Familiarize yourself with the different stacks and products.
- ● Lead development initiatives for other features
- Job Qualifications and Skill Sets
- ● Experience in development of Android/iOS applications and have deployed them on Google Play/App Store
- ● 3+ years knowledge in mobile app development
- ● In depth understanding of Object Oriented programming
- ● Familiarity using Git and IDEs like Android Studio & VS Code
- ● Understanding of the Agile Software Development Life Cycle and been exposed to
- Scrum projects
- ● Knowledge of Dart programming language, Rest APIs and integration of various APIs
- from third parties
- ● Comfortable using test cases for debugging code, enhancing performance and reliability
- ● Track record of successfully managing multiple company or customer websites
- ● Excellent time-management and communication skills

Job title: React.js Developer
Location: Gurugram (Onsite)
Notice: Immediate joiner
Responsibilities:
• Meeting with the development team to discuss user interface ideas and applications.
• Reviewing application requirements and interface designs.Identifying web-based user interactions.
• Developing and implementing highly responsive user interface components using react concepts.
• Writing application interface codes using JavaScript following react.js workflows.
• Troubleshooting interface software and debugging application codes.
• Developing and implementing front-end architecture to support user interface concepts.
• Monitoring and improving front-end performance.
• Documenting application changes and developing updates.
Requirements:
• Bachelor’s degree in computer science, information technology, or a similar field.
• Previous experience working as a react.js developer.
• In-depth knowledge of JavaScript, CSS, HTML, and front-end languages.
• Knowledge of REACT tools including React.js, Webpack, Enzyme, Redux, and Flux.
• Experience with user interface design.
• Knowledge of performance testing frameworks including Mocha and Jest.
• Experience with browser-based debugging and performance testing software.
• Excellent troubleshooting skills.
• Good project management skills.
- Basic knowledge of Data Structure and Algorithm required

- To analysis business requirements, prepare design and implementation recommendations and estimate development effort
- Collaborate with cross-functional teams to define, design, and ship new features
- Lead or participate in design reviews, code reviews and architecture evolution discussions
- Unit-test code for robustness, including edge cases, usability, and general reliability
- Work on bug fixing and improving application performance
- Continuously discover, evaluate, and implement new technologies to maximize development efficiency
Skills Required :
- Experienced with front end programming language with React JS.
- 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).
- Knowledge of modern authorization mechanisms, such as JSON Web Token.
- Familiarity with modern front-end build pipelines and tools.
- Familiarity with code versioning tools (such as Git, SVN, ).
- Candidates with Good communication Skills.

Requirements
- 2-5 years of experience as a front-end developer
- Experienced in developing applications using JavaScript, ReactJS, Redux, Redux Saga, NodeJS, HTML5, CSS3/CSS4 and other UI technologies.
- Understanding and experience with ES6 concepts, asynchronous processing, partial page refresh, DOM traversal and manipulation.
- Experience with REST API construction, documentation, and architecture, including API description languages like Swagger.
- Comfortable writing Unit Test Cases (Enzyme/ Jest)
- Familiar with cloud services: AWS, Dev-ops such as Git, Jira, Confluence
- Good to have experience/knowledge of
- Spring (MVC, IOP/DI, REST, Security)
- Docker,
- Scala,
- Python
- Able to connect the dots between code and business value
Responsibilities
- Engage in high level conversations about business strategy and the role tech plays in it
- Write well-designed, testable, and efficient code that powers our application
- Write specs and do planning for everything we build
- Conduct application analysis, testing, and debugging
- Diligently document code to keep it clean and transparent
- Ensure cross-browser and device compatibility
You Are
- You believe it’s always on you to make sure anything you do is a success.
- You have the ability to make quick and effective decisions.
- In love with a challenge. You revel in solving problems and want a job that pushes you out of your comfort zone.
- Open to change. You’re inspired by the endless ways in which everything we do can always be improved.
Add-Ons/Interview Process
- You should be comfortable working in a Start-up for in-house product development.
- Will not be engaged with any Client, but with the internal team (in India & the US).
- Will be provided a hands-on exercise to complete and submit as a part of interview.



Location: Bangalore
Hello! We are looking for the right Frontend Developer.
What you will work on Your primary focus will be to implement a complete user interface in the form of a responsive web app, with a focus on performance. Your main duties will include creating modules and components and coupling them together into a functional app. A thorough understanding of all the components of our platform and infrastructure is required as you will be working closely with the back-end team to decide REST contracts.
Responsibilties
• Assess the technical feasibility of UI/UX designs
• Develop new user-facing features
• Build reusable code and libraries for future use
• Optimize application for maximum speed and scalability
• Assure that all edge cases are handled
• Collaborate with other team members and stakeholder
What can CasaOne promise you – An opportunity to - increase your rate of learning exponentially by defining hard problems and solving them - partake in a high-growth journey and increase revenues 5x+ Y-o-Y - be an early innovator in the shifting trend: ‘ownership economy’ -> ‘access economy’ - build a category-defining platform for FF&E (Furniture, Fixture, and Equipment) leasing - build high-performance teams
The must-haves
• Good understanding of single-page web applications and Javascript libraries and frameworks, such as ReactJS, AngularJS, and jQuery.
• Good understanding of asynchronous request handling, partial page updates, and AJAX.
• Proficient understanding of web markup, including HTML5, CSS3.
• Basic understanding of CSS pre-processing platforms, such as LESS and SASS.
• Good understanding of responsive web development.
• Proficient understanding of cross-browser compatibility issues and ways to work around them.
• Basic understanding of SEO

What you will do
If you are looking to be part of the early-stage start-up team that is charting the course and solving a key pain point for the CXO, this opportunity is for you. The opportunity will provide you join a company where you can contribute to all aspects of the product definition, product building and solving some key challenges.
- Architect solutions and execution through hands-on development, quality-assurance, and prototyping
- Collaborate with a UX/UI designers and other front-end and middle-tier engineers to design, prototype, and build user interface for complex cloud-based product
- Participate in complete development life cycle activities like design, coding, testing and production release
- Develop and maintain a scalable web and responsive applications
- Exhibit Devops mindset – Work on continuous integration, including provisioning, deployment, testing, and version control of the software
- Mentor new software developers and junior engineers
What you will bring
- Passionate engineer with 5 – 8 years of hands-on experience of developing next-generation user interface with high quality and performance
- Strong desire to learn & evaluate new libraries/frameworks, and share knowledge with others
- Ability to work in a fast-paced and agile development environment
- Sound knowledge of front end standards and practices
- Translating designs and wireframes into high-quality code
- Knowledge of Redux, React.js and its core principles
- Familiarity with RESTful APIs
- Strong proficiency in JavaScript, AJAX, HTML5, CSS3, JSON, including DOM manipulation and the JavaScript object model
- Experience with popular JS frameworks and libraries (React, Angular, JQuery, Ember, Babel, Webpack etc.)
- Experience of building Single-page Web Apps
- Ability to understand business requirements and translate them into technical requirements
- Experience with test automation: TDD, unit/integration/functional testing
- Proficient with debugging and testing tools to troubleshoot and optimize the UI
- Solid understanding of object-oriented design and programming concepts, core JavaScript concepts like scope/closures, the event loop and asynchronous callbacks, promises
Good to have
- Full-stack development experience
- Prior Startup Experience
- Prior experience in developing real-time web applications
- Experience with continuous deployment
- Proficiency with Git/Github
- Experience with GraphQL
Success Factors
- Start-up mindset
- Good problem solving abilities
- ‘Can-do’ attitude
- Prior experience of working with globally distributed teams is an added advantage
- Work with minimal supervision
- Excellent communication skills and being able to work independently or in a full team
Why Join Us
Our team is looking for fast-moving engineers with an entrepreneurial mindset. As a software engineer, you will help grow the platform by identifying new features, products, and business opportunities. You will write and own scalable production-grade code across the platform in collaboration with the small, close-knit and dedicated global development team.
We keep cloud-native concepts close to our heart whenever we design any software component and you will have exciting opportunities to work on new software frameworks, modern tech stack and cloud-native applications using latest cloud technologies.
If you want to feel and see that your contributions matter, have a strong desire to work for an early-stage startup and if you love working in a dynamic, agile, continually improving environment and most importantly, work with good people, come talk to us. If you are excited about the opportunity to build a cool new Cyber Security SaaS product ground-up then lets talk!!


- Responsible for development of new highly-responsive, web-based user interface
- Construct visualizations that are able to depict vast amounts of data
- Work and collaborate with the rest of the engineering team
- Work with product team and graphic designers
- Learn and understand user interactions
- Develop a flexible and well-structured front-end architecture, along with the APIs to support it

Job Description
We are looking for an Angular Developer who is responsible to implement a complete user interface in the
form of a mobile and desktop web app, with a focus on performance. The main duties include creating
modules and components and coupling them together into a functional app. The selected person will
work in a team with the back-end developer and communicate with the API using standard methods. A
thorough understanding of all the components of our platform and infrastructure is required.
Tech Required:
Mandatory Skills : JavaScript, TypeScript, HTML5, Angular
Optional Skills : Jasmine & Karma
Responsibilities
• Deep knowledge of Angular practices and commonly used modules based on extensive work
experience
• Creating self-contained, reusable, and testable modules and components (ES6 standard)
• Documenting the code inline using JSDoc, CompDoc or other conventions
• Writing extensive unit tests using automated TDD tasks with Jasmine and Karma
• Creating end-2-end test suites for all components, and running them with Protractor (or a well-reasoned
alternative)
• Creating configuration, build, and test scripts for Continuous Integration environments
• Creating custom, general use modules and components which extends the elements and modules of
core Angular
• Experience with consuming RESTful services
Experience: 2 Years
Location: Bangalore
Qualification: Any
Package: Upto 6 Lakhs

