Principal Engineer - UI/UX

Requirements

In order to be successful in this role, you must have the following skills & experience:

• In-depth knowledge of JavaScript, TypeScript, CSS, HTML, and front-end languages.
• Knowledge of REACT tools including React.js, Webpack, Enzyme, Redux, and Flux.
• Should have built web apps, CMS, admin panels that are deployed to production
• Should have an understanding of how to build and deploy a ReactJS application
• Strong understanding of Agile methodology.
• Proven analytical and problem-solving skills.
• Excellent communication skills and ability to interact effectively at all levels across technology teams.
• Can work well both individually or in a team by taking a collaborative approach to problem solving and delivery.

Responsibilities

• Proven experience of 3-5 years as a ReactJS Developer.
• Solid understanding of JavaScript, HTML5, and CSS3.
• Experience with popular React.js workflows (such as Redux).
• Familiarity with the MERN stack (MongoDB, Express.js, React).
• Strong understanding of responsive web design principles.
• Experience with data structure libraries (e.g., Immutable.js)
• Familiarity with RESTful APIs.
• Knowledge of modern authorization mechanisms, such as JSON Web Token.
• Develop new user-facing features using React.js
• 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.
• Collaborate with other team members and stakeholders to gather and understand project requirements.
• Work closely with the back-end developers to integrate front-end components with server-side logic.

Job Title: Associate Frontend Engineer

Job Summary:

We are looking for a passionate and motivated Associate Frontend Engineer with 1 to 2 years of experience to join our product engineering team. In this role, you will work closely with experienced developers and designers to build seamless, performant, and user-friendly interfaces using modern JavaScript frameworks. You’ll gain hands-on experience in building production-ready web applications and learn how to deliver high-quality UI at scale.

This opportunity is ideal for individuals who are early in their careers and eager to grow through real-world development, mentorship, and continuous learning.

Website: https://www.thealteroffice.com/about

Key Responsibilities:

• Assist in developing and maintaining responsive, accessible, and performant web user interfaces.
• Work with modern JavaScript frameworks/libraries such as React, Vue, or Angular to build modular, reusable components.
• Translate UI/UX designs from tools like Figma into pixel-perfect, production-quality code.
• Write clean, maintainable, and well-documented HTML, CSS, and JavaScript (ES6+).
• Collaborate with product managers, backend engineers, and designers to deliver complete, integrated features.
• Learn and apply best practices in state management, component-driven development, and API integration.
• Participate in code reviews, understand and follow design systems, and contribute to a culture of code quality.
• Debug and resolve cross-browser, cross-device, and performance-related UI issues.
• Use tools such as Git, CI/CD pipelines, and frontend build tools (e.g., Webpack, Vite) as part of your daily workflow.
• Begin working with TypeScript, Tailwind CSS, and popular UI libraries (e.g., Material UI, Bootstrap) to enhance development efficiency and consistency.
• Follow accessibility guidelines and responsive design principles, ensuring your UI works for all users.
• Gain exposure to linting tools, formatters, testing libraries (unit/integration/e2e), and performance profiling using browser dev tools.

Requirements:

• 1 to 2 years of experience in frontend development through internships, academic projects, freelance work, or personal side projects.
• Solid understanding of HTML, CSS, and JavaScript (ES6+) fundamentals.
• Familiarity with at least one modern JavaScript framework (React, Vue, Angular).
• Understanding of version control systems like Git and ability to collaborate in a team-oriented development workflow.
• Willingness to learn and apply best practices in UI performance, security, accessibility, and maintainability.
• Strong problem-solving abilities, attention to detail, and eagerness to grow through mentorship and feedback.
• Effective communication skills and ability to work in a fast-paced, agile team environment.

About the Role

We are looking for a highly skilled and experienced Senior React Native Developer to join our team and take the lead on developing our cross-platform mobile application. You’ll play a critical role in building, launching, and scaling a high-performance mobile app that runs seamlessly on both iOS and Android platforms from a single codebase.

If you’re passionate about mobile technologies, have a strong command of React Native, and are excited about creating a high-quality product from the ground up, we’d love to hear from you.

Responsibilities

• Lead the end-to-end development of a cross-platform mobile application using React Native.
• Collaborate with product managers, designers, and backend engineers to deliver high-quality user experiences.
• Build reusable components and front-end libraries for future use.
• Optimize app performance for speed and scalability across devices and OS versions.
• Ensure the app complies with design standards and platform-specific guidelines (Apple App Store & Google Play).
• Set up CI/CD pipelines for automated builds, testing, and deployment (e.g., using Fastlane, EAS, or similar).
• Integrate RESTful APIs and third-party services.
• Handle app store submissions and updates.
• Mentor junior developers and enforce best practices in mobile development.

Requirements

Must-Have:

• 5+ years of experience in mobile application development.
• 3+ years of hands-on experience with React Native.
• Strong understanding of JavaScript (ES6+), TypeScript, and React architecture.
• Deep knowledge of iOS and Android mobile app development lifecycle.
• Experience with mobile UI/UX best practices and performance optimization.
• Familiarity with native build tools (Xcode, Android Studio).
• Experience integrating REST APIs and handling network latency issues.
• Proficient with Git, GitHub/GitLab, and agile development practices.
• Experience with push notifications, in-app purchases, deep linking, and analytics SDKs.

Preferred:

• Experience with Expo or EAS for managed workflows.
• Familiarity with mobile CI/CD pipelines (Fastlane, Bitrise, etc.).
• Experience with native modules (Objective-C/Swift and Java/Kotlin) as needed.
• Knowledge of automated testing frameworks (Jest, Detox).
• Published apps in both the App Store and Google Play.
• Prior experience in startups or high-growth environments.

What We Offer

• Opportunity to lead and build a product from the ground up.
• Work with a dynamic and talented team in a fast-paced environment.
• Flexible working hours and remote-first culture.
• Competitive salary and equity options (if applicable).
• Learning and development budget.

Opportunity Summary

We are looking for an enthusiastic engineer with experience building Salesforce AppExchange apps to lead the development of Salesforce connectors for our marketing technology products.

What would you do?

·      Take a lead role in the design and implementation of Shopify connectors for our marketing products.

·      Collaborate with stakeholders in establishing application requirements, determining features, creating customer-friendly solutions, and determining support needs and performance requirements. 

·      Plan, design, develop, test, and deploy software to satisfy these requirements. 

·      Work according to the agile programming application development methodology adhered to including test-first, iterative development, and continuous re-prioritization.  

·      Support the maintenance of our hosted technology solutions. 

·      Work with other team members in accomplishing group objectives and participating in code reviews. 

·      Ensure timely and robust implementation of the company’s development plans.

·      Ensure that all relevant parties are kept up to date on progress of projects and give feedback on an ongoing basis. 

·      Contribute to the review, selection, and adoption of proprietary tools and technologies. 

·      Use specialist knowledge and experience of information technology to provide technical advice and vision.

Technical Skills

The following skills are needed for this role.

Experience

·      3+ years’ experience in web application design and development 

·      Bachelor’s Degree in relevant discipline or equivalent experience 

Primary Skills

·      Strong background in Front-end technologies – HTML, CSS, JavaScript, React, Angular, etc. 

·      Experience with node.js

·      An understanding of User Experience and a background in building intuitive interfaces. 

Secondary Skills (nice to have)

·      Experience with Shopify integrations.

·      Experience building native apps for other platforms.

·      Experience with Salesforce APEX, VisualForce, SOQL, etc.

·      AWS ecosystem and tools, particularly developing for serverless environments. 

·      Any experience with other languages will be beneficial.

Soft Skills

·      Thrives collaborating in a team environment with a diverse range of people.

·      Passionate about delivering an amazing customer experience.

·      Able to have a change of mind, and able to change the minds of others.

·      Writes clearly and concisely.

·      Capable of working without a company office, with a fully remote team.

Growth Skills

·      Possesses a good work ethic; a self-starter with a desire to grow.

·      Always looking for better ways to get the job done.

Job Profile: This role involves working with the frontend team working closely with the backend team. You are required to have in-depth knowledge of every level of the web creation process, which includes Linux server set-up and configuration, creating server-side APIs, making JavaScript codes that power apps, etc. Key Responsibility Areas: · Developing new user-facing features using React.JS Translating designs and wireframes into high-quality code Optimizing components for maximum performance across a vast array of web-capable devices and browsers 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, and Mercurial). ▪ Candidates with Good communication Skills. ▪ Candidates with Banking / Finance domain experience preferred.,

Senior React JS Developer

Responsibilities:

Translate Business requirements into Technical Requirements and conceptualize solution by breaking it up into logical units of work.

Plan and execute product roadmap with product manager and other stakeholders.

Develop and implement integration solution with high quality, exception handling and low maintenance in accordance with the project timeline, adherence to global standards/principles, design standards

Provide support and documentation to assist in sustaining the project during the transition to production by working closely with production support team during production release and troubleshooting production issues

Responsible for effectively communicating the plan, status and updates to stakeholders and scrum team

Proactively raise issues to Product Owner and Scrum leads when necessary

Independently assess and represent development team - covering all aspects of technical feasibility, complexity and timelines during project / program review meetings.

Lead , manage , mentor team of developers.

Design and build new features, simplify existing services, and scale our systems as we rapidly grow and evolve

Create reusable patterns that improve the consistency of the codebase

Collaborate with your engineering teammates through planning, pairing, testing, reviewing and delivery of the features that you build

Work with the product team to translate powerful ideas into everyday business value

Write sustainable, testable, high-quality, high-performance code

What Makes You a Great Fit

6+ years of relevant front-end development experience writing modular / reusable / Object Oriented / functional Javascript code.

At least 5 years of working experience on React JS framework

Firm grasp of JavaScript (or Typescript) and its nuances, including ES6+ syntax

Strong expertise with HTML5, CSS3  (with media queries) and writing cross-browser compatible code

Grid system understanding

CSS preprocessor experience (SASS or LESS), Responsive design, Accessibility

Familiarity with code versioning tool like GitHub.

Experience with RESTful services

A strong, demonstrable portfolio of past web applications including websites.

Self-motivated, fast learner with attention to detail and quality

Excellent diagnostic, troubleshooting, and communication skills

Required Skills:

6+ Years of experience

Should be able to work independently and must be hands on in development.

Should be able to take a problem and produce an architectural pattern plus a proof of concept utilising best practices when it comes to developing enterprise integration software.

Should have excellent analytical and problem solving skills.

Strong proficiency with Spring Boot, Microservices, Spring MVC, Coding and Spring Integration.

Knowledge of enterprise integration patterns and asynchronous messaging patterns is required.

Experience with working with process modelling software is a nice to have.

Experience in working with rule based systems is a nice to have.

Strong fundamentals in object oriented programming is a must have.

Experience in working with at least one relational and one no sql database is preferred.

Strong experience in working and designing message structures using xml and json.

Strong knowledge of SDLC Lifecycle Process and Agile Methodology.

Experience in BPMN would be added advantage.

Experience in working with security protocol (e.g. TLS, OAuth) and understands security in development.

Experience with containerization using Docker, orchestration using Kubernetes, Continuous Integration/Delivery tools - Jenkins, Maven, GIT.

Experience in Messaging with MQ based Messaging Systems.

Communication:

Should be able to communicate effectively with product team members, clients and stakeholders.

Clarifies and communicates product objectives and problem solving.

• 💰 Early-stage, ed-tech, funded, growing, growing fast.
• 🎯 Mission Driven: Make Indonesia competitive on a global scale.
• 🥅 Build the best educational content and technology to advance STEM education
• 🥇 Students-First approach
• 🇮🇩 🇮🇳 Teams in India and Indonesia

• You primarily identify as a Frontend Engineer or a UI Engineer and are comfortable working on the browser side of things with 7+ years experience (preferably from B2C startup companies).
• You can build accessible interfaces with semantic HTML, CSS, and Javascript.  
• You can build reusable, performant, and well-tested web applications that are responsive and work across various devices and platforms.  
• You can build features from scratch which are modular and scalable. You don’t hesitate to take them from design to implementation.
• You have shipped code to production recently and regularly.
• You are experienced in working with using modern web frameworks, like React, Vue, and friends. We use React but prefer people with strong web concepts and fundamentals who are open to learning any framework/library. 
• You are fluent in using the tools of the trade: editors, git, command line, Slack, Jira (unfortunately yes)
• You are driven, you care about turning in quality work, and improving your craft.
• You have high integrity, and you are reliable.

• Mentorship and continuous improvement are a part of the team’s DNA. We have a battle-tested robust growth framework. You will have people to look up to and people looking up to you.
• We are a people-first, high-trust, high-autonomy team.
• We live in the TDD, Pair Programming, First Principles world

• Distributed does not mean working in isolation, feeling alone, being buried in Zoom calls.
• Our leadership team has been WFH for 10+ years now and we know how remote teams work. This will be a place to belong.
• A good balance between deep focussed work and collaborative work ⚖️

• 30-minute alignment check and screening call
• A short take-home coding assignment, no more than 2-3 hours. Time is precious.
• Pair programming interview. Collaborate, work together. No sitting behind a desk and judging.
• In-depth engineering discussion around your skills and career so far.
• System design and architecture interview for senior roles.

• Bring your software engineering — both individual brilliance and collaborative skills.
• Bring your good nature — we're building a team that supports each other.
• Be vested or interested in the company vision