Front-End Software Developer

Zolvit is seeking a highly motivated and experienced Frontend Software Engineer to join our

growing engineering team. As a key member of the team, you will play a crucial role in

designing, developing, and maintaining high-performance, user-centric frontend experiences

across web and mobile platforms. You will have the opportunity to work on challenging problems

at scale and contribute to a product that will potentially power millions of businesses in India.

Responsibilities:

● Design, develop, and deploy high-quality, user-friendly frontend applications using

modern JavaScript frameworks (e.g., Next.js, React, Angular, Vue.js).

● Develop and maintain native mobile applications for both iOS and Android platforms.

● Collaborate with backend engineers to integrate frontend applications with backend APIs

using microservices architecture.

● Write clean, efficient, and well-documented code, adhering to best practices and coding

standards.

● Collaborate with cross-functional teams, including product, design, and QA, to deliver

exceptional user experiences.

● Participate in code reviews, design discussions, and knowledge sharing sessions.

● Implement and maintain CI/CD pipelines, promoting automation and continuous delivery.

● Monitor and optimize the performance of frontend applications, ensuring a smooth and

responsive user experience.

● Champion a quality-driven development approach, including unit testing, integration

testing, and end-to-end testing.

● Stay up-to-date with the latest trends and technologies in frontend development and

mobile app development.

Qualifications:

● Bachelor's degree in Computer Science or a related field, or equivalent practical

experience.

● Proven experience in frontend software engineering, with a strong focus on building and

scaling web and mobile applications.

● Strong proficiency in JavaScript and at least one modern JavaScript framework (e.g.,

Next.js, React, Angular, Vue.js).

● Experience developing and deploying native mobile applications for iOS and Android

platforms using languages like Swift, Kotlin, or React Native.

● Solid understanding of object-oriented programming principles and design patterns.

● Experience integrating frontend applications with backend APIs, preferably within a

microservices architecture.

● Familiarity with RESTful APIs and other common API protocols.

● Experience with state management libraries and techniques (e.g., Redux)

● Experience with modern CSS frameworks (e.g., Tailwind CSS, Material UI).

● Experience with CI/CD pipelines and tools (e.g., Jenkins, GitLab CI, CircleCI).

● A strong understanding of computer science fundamentals and excellent

problem-solving and analytical skills.

● A proactive and collaborative approach to work.

● A passion for building high-quality user experiences and a commitment to continuous

improvement.

● Experience working in an Agile environment.

Bonus Points:

● Experience with GraphQL, performance optimization techniques.

● Contributions to open-source projects.

● Experience working in a fast-paced, high-growth environment..

We are seeking a highly skilled React JS Developer with exceptional DOM manipulation expertise and real-time data handling experience to join our team. You'll be building and optimizing high-performance user interfaces for stock market trading applications where milliseconds matter and data flows continuously.

The ideal candidate thrives in fast-paced environments, understands the intricacies of browser performance, and has hands-on experience with WebSockets and real-time data streaming architectures.

Key Responsibilities

Core Development

• Advanced DOM Operations: Implement complex, performance-optimized DOM manipulations for real-time trading interfaces
• Real-time Data Management: Build robust WebSocket connections and handle high-frequency data streams with minimal latency
• Performance Engineering: Create lightning-fast, scalable front-end applications that process thousands of market updates per second
• Custom Component Architecture: Design and build reusable, high-performance React components optimized for trading workflows

Collaboration & Integration

• Work closely with traders, quants, and backend developers to translate complex trading requirements into intuitive interfaces
• Collaborate with UX/UI designers and product managers to create responsive, trader-focused experiences
• Integrate with real-time market data APIs and trading execution systems

Technical Excellence

• Implement sophisticated data visualizations and interactive charts using libraries like Chartjs, TradingView, or custom D3.js solutions
• Ensure cross-browser compatibility and responsiveness across multiple devices and screen sizes
• Debug and resolve complex performance issues, particularly in real-time data processing and rendering
• Maintain high-quality code through reviews, testing, and comprehensive documentation

Required Skills & Experience

React & JavaScript Mastery

• 5+ years of professional React.js development with deep understanding of React internals, hooks, and advanced patterns
• Expert-level JavaScript (ES6+) with strong proficiency in asynchronous programming, closures, and memory management
• Advanced HTML5 & CSS3 skills with focus on performance and cross-browser compatibility

Real-time & Performance Expertise

• Proven experience with WebSockets and real-time data streaming protocols
• Strong DOM manipulation skills - direct DOM access, virtual scrolling, efficient updates, and performance optimization
• RESTful API integration with experience in handling high-frequency data feeds
• Browser performance optimization - understanding of rendering pipeline, memory management, and profiling tools

Development Tools & Practices

• Proficiency with modern build tools: Webpack, Babel, Vite, or similar
• Experience with Git version control and collaborative development workflows
• Agile/Scrum development environment experience
• Understanding of testing frameworks (Jest, React Testing Library)

Financial Data Visualization

• Experience with financial charting libraries: Chartjs, TradingView, D3.js, or custom visualization solutions
• Understanding of market data structures, order books, and trading terminology
• Knowledge of data streaming optimization techniques for financial applications

Nice-to-Have Skills

Domain Expertise

• Prior experience in stock market, trading, or financial services - understanding of trading workflows, order management, risk systems
• Algorithmic trading knowledge or exposure to quantitative trading systems
• Financial market understanding - equities, derivatives, commodities

Technical Plus Points

• Backend development experience with GoLang, Python, or Node.js
• Database knowledge: SQL, NoSQL, time-series databases (InfluxDB, TimescaleDB)
• Cloud platform experience: AWS, Azure, GCP for deploying scalable applications
• Message queue systems: Redis, RabbitMQ, Kafka, NATS for real-time data processing
• Microservices architecture understanding and API design principles

Advanced Skills

• Service Worker implementation for offline-first applications
• Progressive Web App (PWA) development
• Mobile-first responsive design expertise

Qualifications

• Bachelor's degree in Computer Science, Engineering, or related field (or equivalent professional experience)
• 5+ years of professional React.js development with demonstrable experience in performance-critical applications
• Portfolio or examples of complex real-time applications you've built
• Financial services experience strongly preferred

Why You'll Love Working Here

We're a team that hustles—plain and simple. But we also believe life outside work matters. No cubicles, no suits—just great people doing great work in a space built for comfort and creativity.

What We Offer

💰 Competitive salary – Get paid what you're worth

🌴 Generous paid time off – Recharge and come back sharper

🌍 Work with the best – Collaborate with top-tier global talent

✈️ Adventure together – Annual offsites (mostly outside India) and regular team outings

🎯 Performance rewards – Multiple bonuses for those who go above and beyond

🏥 Health covered – Comprehensive insurance so you're always protected

⚡ Fun, not just work – On-site sports, games, and a lively workspace

🧠 Learn and lead – Regular knowledge-sharing sessions led by your peers

📚 Annual Education Stipend – Take any external course, bootcamp, or certification that makes you better at your craft

🏋️ Stay fit – Gym memberships with equal employer contribution to keep you at your best

🚚 Relocation support – Smooth move? We've got your back

🏆 Friendly competition – Work challenges and extracurricular contests to keep things exciting

We work hard, play hard, and grow together. Join us.

AEM Sites Developer

Pattem Digital Technologies is looking for a highly effective Adobe Experience manager(AEM) Developer to join our team. This person will utilize best practices and methodologies to design and implement the best solution for our clients. This key member of our team contributes to the entire software development lifecycle including analysis, requirement specification, use case and data modeling, technical design, development, testing, and implementation. This individual will be focused on delivering assigned tasks and/or specific tracks of the solution on time, escalating issues when appropriate as well as educating and leading others in the form of code reviews, workshops, and documentation.

Know your work :

• Build and maintain solutions for AEM (Sites, Assets). 
• Work in Agile Methodology - be part of Sprint Ceremonies, provide accurate estimates for assigned development Stories & deliver on time. 
• Follow Best and Recommended Practices while implementing solutions. 
• Ensure Code Quality, Readability, Maintainability and Security. 
• Coordinate with multiple teams (Ex: UI/QA) for any dependencies. 
• Write JUnit Test Cases for Unit Testing 
• Communicate with customer teams on requirements effectively. 
• Manage customer expectations of response time and issue resolution 
• Troubleshoot and reproduce the technical problems reported by customers and define workarounds. 
• Create and integrate content-driven applications on top of the AEM platform, and integrate with other systems.
• The AEM Developer provides technical leadership with a focus on CMS solutions. This Includes planning, guiding the design, estimation, user interface, people management, issue resolution and quality assurance. 
• Collaborate across disciplines and use their in-depth knowledge of AEM technology to help deliver business solutions for our clients.

What you need to apply :

• Good understanding of UI technologies like JQuery, Java Script, HTML 5, CSS. 
• Good understanding of backend technologies like Java EE, Servlets, JSP, Tag libraries, and JSTL skills, combined with a good understanding of Enterprise Java frameworks such as Spring, Spring Boot and Hibernate.
• Good understanding of CI/CD tools like Maven, Jenkins. 
• Good understanding of Code Quality and Security tools like SONAR. 
• Good understanding of Touch UI, Sightly (HTL) and Sling Models.
• Good understanding of AEM Backend Development like Sling Servlets, OSGi Components and JCR Queries. 
• Solid experience in problem analysis and resolution of technical problems.
• Ability to handle clients professionally during all interfaces. 
• Ability to work in extended hours to overlap with North America timings. 
• Strong written and verbal communication skills. 
• Minimum 3+ years of experience in AEM.
• 3-4 years of experience in CMS implementations with Adobe Experience manager(AEM).
• Hands-on work experience on Adobe 6.x versions.
• Knowledge in AEM foundational concepts, including the CRX repository, the AEM platform, the use of core frameworks such as Apache Sling and Apache Felix. 
• Knowledge on latest AEM features.

Roles and Responsibilities:

• Use markup languages like HTML to create user-friendly web pages
• Optimize applications for maximum speed
• Design mobile-based features
• Collaborate with back-end developers and web designers to improve usability
• Get feedback from, and build solutions for, users and customers
• Write functional requirement documents and guides
• Create quality mockups and prototypes
• Ensure high quality graphic standards and brand consistency
• Stay up-to-date on emerging technologies

Requirements:

• Minimum 1 year of work experience as a front end developer.
• Positive attitude, great energy, and a desire to learn more about web development
• Skills in troubleshooting and debugging
• A desire to keep current and use the most up-to-date best practices
• An understanding of testing and quality control
• Has a strong interest in design and technology.

If a misaligned shadow bothers you, we already like you 😆

• Master's / Bachelor’s degree in Computer Science, Software Engineering, or Self taught developer.
• 3+ years of experience in fundamentals of web, HTML, CSS and JavaScript.
• Familiarity with JavaScript frameworks such as Vue or React.
• Understanding of product design, user experience and skills to recreate and match high quality pixel perfect designs and can go above and beyond in detailing.
• Has ability to build a ground up resoluble components and in-house UI system that can scale across the product.

A collaborative role with Individual ownership ✅

• Ownership of developing UI related features. Work with with the rest of the engineering team to develop, launch or maintain features.
• Take ownership of design <> dev collaboration and participate in the education of both sides.
• Work closely with design team and become a bridge between engineering and design.
• Maintain code integrity.

Looking for candidates with 0-30 Days Notice period.

Looking for a Frontend/JavaScript Developer with experience in building high-performing, scalable, enterprise-grade applications. Frontend developer roles and responsibilities include developing single-page apps using ReactJS and modern JavaScript practices and patterns.

Responsibilities:

• Contribute in all phases of the development lifecycle
• Write well designed, testable, efficient code
• Ensure designs are in compliance with specifications
• Support continuous improvement by investigating alternatives and technologies and presenting these for architectural review.

Requirements:

• 3-10 years experience in Frontend technologies
• Hands-on and ready to continue as an individual contributor/Lead the team also.
• Strong in core JavaScriptwith ES6 ES5 ES7
• Expertise in ReactJS, Redux with minimum 1-2 years of experience
• Unit testing (Jest/Enzyme) is necessary
• Expertise in HTML5 CSS3
• Proficient in Grunt, Gulp, and Webpack, bower, yarn, the module loader
• Hands-on experience with multiple libraries/frameworks - jQuery, Jasmine, Mocha, etc.
• Expert level understanding of HTTP protocols (1.0 1.1 and 2.0) and Websockets and JS WebSocket
• Experience with working on SaaS/PaaS based applications