
About Xpresslane:
Xpresslane is a universal one-click checkout platform for eCommerce. We want to transform the way online shoppers buy, Democratize optimized checkout and post checkout experience. We have achieved 150+ signups from D2C merchants in the last year alone and are aggressively adding new features to help solve problems in their checkout process.
Engineering @Xpresslane:
We are a small group of Tech Enthusiasts, Product Managers. We give incredible value to design and UX is our topmost priority. We've implemented products using Go, Java, Kubernetes, Docker, Temporal, GraphDB, Svelte & React, Cypress, Gitlab CI/CD.
Why Engineering @Xpresslane:
- Opportunity to Design & Implement new features which are internet-facing.
- Opportunity to Design Scalable Distributed System spanning many regions.
- Freedom to learn & work across Frontend/Backend/Devops/Design Expertise.
- 2-4 years of experience in Frontend Engineering.
- Expertise in one or more frontend frameworks like React/Angular/Vue/Svelte
- Style the frontend applications with an incredible focus on design & UX.
- Self-driven in identifying opportunities to make things better and efficient.
- Ensure code quality and reliability through automated test implementations.
- View frontend as Engineering i.e, plan & implement components for reusability, testability
and scalability. - Nice to have, experience in using Figma/Sketch for quick mockups & prototypes
- Nice to have knowledge of cache busting, CSRF, XSS attacks.
At the moment, we are looking for engineers for our Bangalore office.

About Xpresslane
About
Connect with the team
Similar jobs
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.
Role Overview
As a Senior Frontend Developer, you will be at the forefront of developing high-quality mobile applications using React Native. This role requires a comprehensive understanding of cross-platform development, UI/UX design principles, in-app purchases, and state management. You will work closely with our backend team, designers, and product managers to deliver seamless and responsive applications that meet global market standards.
Key Responsibilities
- Lead the development of mobile applications using React Native, ensuring cross-platform compatibility and responsiveness across devices.
- Collaborate with the design team to implement intuitive and user-friendly UI/UX designs.
- Integrate in-app purchases, Firebase services, dynamic links, and develop custom features to enhance user engagement.
- Manage application state effectively using state management libraries and best practices.
- Oversee the app deployment process, including release management, to the App Store and Google Play Store, ensuring compliance with their guidelines.
- Work with the team to identify and resolve performance issues and optimize application for speed and scalability.
- Work on animations and UX of applications for both IOS and Android.
- Stay updated with the latest trends and technologies in mobile development to continuously improve app functionality and user experience.
Qualifications
- Bachelor's degree in Computer Science, Engineering, or a related field.
- 5+ years of experience in frontend development, with significant experience in React Native and cross-platform mobile app development.
- Strong portfolio demonstrating expertise in UI/UX design and in-app purchases integration.
- Extensive experience with Firebase, including dynamic links and other backend services.
- Proven track record of managing app releases, including deployment to the App Store and Google Play Store.
- Excellent problem-solving skills, attention to detail, and the ability to work in a fast-paced, team-oriented environment.
- Strong communication skills, with proficiency in English.
- Attach the link of mobile application worked on till date
Why Join Us?
- Opportunity to lead a cutting-edge project impacting users globally.
- Work in an environment that fosters innovation, collaboration, and professional growth.
- Competitive compensation, comprehensive benefits.
UI Development - Intern
Converts into a full time ‘UI Developer’ position based on performance
A UI Developer, for an early-stage Analytics startup who can help us translate UX designs into a responsive and rich user interface. Also help in improving design/functionality of product. End goal is to achieve product-market objectives
The candidate will have rich learning into what goes into designing, developing, and scaling a product from scratch. A chance to grow into a UI Development Owner in medium term
Responsibilities
1. Own UI Development closely with UX / Technology Owner
2. Implement and maintain product UI modules/sub-systems.
3. Perform bug verification, release testing and support for assigned products.
4. Conduct unit testing and integration testing.
5. Make sure the delivered product matches the business requirements.
Expectations from candidate
1. Ability: Good at logical thinking, problem solving
2. Inclination: Curious and strong willingness to learn from problems, write good code
3. Knowledge: Basics of UI Development (Some academic degree/certification or Prior experience/Projects preferred), Data visualization
4. Languages/Frameworks: HTML, CSS, JavaScript, ReactJS, NextJS
5. Interest in product focused work in a fast-moving start-up environment
6. Attitude: We are looking for a person with an owner mindset who can partner with us in building our product with a lot of commitment. We like people who are curious problem solvers and are interested in learning with us and working hard.
What we offer
1. Great culture focused on outcomes through learning and experimentation
2. Mentoring by experienced professionals from pedigreed backgrounds (IIT/IIMs)
3. Growth, ownership, and flexibility to achieve your goals.
• Strong Expertise in Javascript and ReactJS (ES6)
• 0-1 years for Junior developer
• 3-4 years for Senior developer
• Strong knowledge of scalable and repeatable application development principles and good grasp of systems design / systems architecture concepts and fundamentals
• Strong knowledge of REST APIs and in integrating with APIs from frontend applications • Strong knowledge of UI layouts, CSS3 and HTML5
• Strong knowledge of user authentication, authorization between different systems using JWT, Cookie / Session authentication etc.
• Excellent software design skills including debugging, performance analysis and testing • Experience in writing technical documentation of frontend components
• Strong experience in version control using Git, Git Flow and Agile methodologies. Knowledge of JIRA is a plus.
“ Front End Developer-React JS”
Job Description –
Preferred skills
- Experience in front end development, with knowledge in advanced JavaScript features
- HTML/CSS experience, including concepts like layout, specificity, cross-browser compatibility, and accessibility
- Experience with browser APIs and optimizing front end performance
- Proficient in a broad range of software design approaches and common UX patterns
- Understand the usage of various front end software design patterns
- Extensive experience working on highly scalable web applications (5+ years)
- Experience in front end libraries and frameworks such as Reactjs or Angular is an added advantage
Must Have:
- Must have Javascript and React.js
Responsibilities:
- Use markup languages like HTML to create user-friendly web pages
- Maintain and improve website
- Optimize applications for maximum speed
- Design mobile-based features
- Collaborate with back-end developers and web designers to improve the usability
- Get feedback from, and build solutions for, users and customers
- Write functional requirement documents and guides
- Create quality mockups and prototypes
- Help back-end developers with coding and troubleshooting.
- Ensure high-quality graphic standards and brand consistency
Skills looking for:
- Understanding of key design principles.
- Proficiency in HTML, CSS, JavaScript, and React.js.
- Should be good at CSS and sound knowledge about Tailwind and Material UI.
- Understanding of server-side CSS.
- Understanding of SEO principles.
- Good problem-solving skills.
- Excellent verbal communication skills.
- Good interpersonal skills.
Good to Have:
- Experience in Next.js and AngularJS is highly preferred
Opportunity in the Role:
- Experienced founding team.
- Right to win - The founding team knows the business & its secrets inside out. We are starting with a significant head start and a precise plan of action.
- Barriers to entry - This is a specialized play with natural barriers to entry, allowing for significant value creation for all equity holders.
- Backed by marquee global investors.
- Exposure to all aspects of company building - exposure to investors, fund-raising, decision making, building the team & culture.
- All of the above perks of joining a high potential company very early, along with a competitive market salary.

Candidate must have experience in HTML, CSS, Javascript.
Must have work experience in Angular 4 or above versions
Note: Candidate must be currently in Bangalore location.
What you will do
- Build some of the most crucial infrastructure using web and Android technologies for both internal and external users
- Gather feedback from users for fast iteration of products
- Take ownership of features and products
- Grasp new technologies at extremely fast pace
About You
- Solid fundamentals in computer engineering/science
- Proficient in one or both of Android and web Javascript development
- Bonus: UI/UX skills
- Clean, robust and maintainable code style
- Relentless work ethic
- Strong moral fiber
- Exceptional cognitive abilities
- Proven and verifiable track record of excellence in fields other than just academics
- Embrace responsibility and leadership through accountability
- Good English speaker, reader and writer
- Winner
If you are interested, we have a little brain teaser. Send us a message introducing yourself and we will share the brain teaser.







