Frontend Developer

·      7+ years of professional experience in front-end development.

·      5+ years of hands-on experience with React.js and its ecosystem (Redux, Context API, Hooks, etc.)

·      Strong understanding of JavaScript (ES6+), HTML5, and CSS3.

·      Experience with RESTful APIs, GraphQL, and WebSocket integration.

·      Proficiency in modern build tools (Webpack, Vite, Babel, etc.).

·      Expertise in state management libraries (Redux, MobX) and React Query.

·      Solid understanding of UI/UX principles and responsive design.

·      Experience with testing frameworks (Jest, React Testing Library, Cypress, etc.).

·      Familiarity with modern CI/CD pipelines and version control tools (Git).

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.

DESIRED SKILLS: React.js, JavaScript, Redux, RESTful APIs, TypeScript

JOB SUMMARY
Thorough understanding of React.js and its core principles
Experience with popular React.js workflows (such as Flux or Redux)
Familiarity with newer specifications of EcmaScript
Familiarity with RESTful APIs
Knowledge of modern authorization mechanisms, such as JWT Web Token
Familiarity with modern front-end build pipelines and tools
Experience with common front-end development tools such as Babel, Webpack, NPM, etc.
Ability to understand business requirements and translate them into technical requirements
A knack for benchmarking and optimization
Familiarity with code versioning tools (such as Git, SVN, and Mercurial)
Familiarity with any ReactJS testing framework is plus

LogiNext is looking for a technically savvy and experienced Software Engineer to take up front-end development efforts. You will design and develop elegant interfaces that exceed client expectations in terms of value and benefit. You will collaborate on scalability issues involving visualizing massive amounts of data and information. You will identify, define and communicate best practices for front end.

You are passionate about building secure, high-performing and scalable front-end applications. Your design intuition inclines towards usability, elegance and simplicity. You are biased towards open-source tools and existing frameworks. You have demonstrated strong inter-personal and communication skills.

Responsibilities

Translate wireframes into functional requirements, write well-abstracted, reusable, high-performance code for UI components Work closely with design, product management and development teams to create elegant, usable, responsive and interactive interfaces Contribute to continual improvement by suggesting improvements to user interface, software architecture or new technologies Optimize web applications to maximize speed and scale. Support diverse clients from high-powered desktop computers to low-end mobile devices Understand and coach/teach others, show a high level of ethics and team-work

Requirements

Bachelor/Master’s degree in Computer Science, Information Technology or a related field 2 to 3 years of experience in developing responsive, elegant, efficient and cross-browser front-end applications using Javascript, HTML5, CSS3 Hands on experience on various MVC frameworks, UI libraries such as ReactJS, D3.js Hands on experience on Map API’s like Google Maps, Openstreetmap and other powerful information-rich maps Familiar with UX processes and design Proven ability to drive large scale projects with deep understanding of Agile SDLC, high collaboration and leadership Excellent written and oral communication skills, judgment and decision making skills

SaaS-Nest is a product-based company headquartered in Jaipur, Rajasthan. We have started our journey in February 2022 with a vision to transform HealthCare by technology. We are closely associated with Synergy Health 360, a US based healthcare organization. We have a team of experienced medical professionals to provide insights and innovation ideas which in turn is implemented by a perfect blend of young and qualified IT professionals.  

About Team & Product/Project Details 

We are building a health and wellness technology platform to cater the needs of US Healthcare market. Our product is aimed to provide anywhere/anytime access to Primary Care Physician and telehealth platform to patients and simultaneously provide better management options to providers for in-person and telemedicine appointments. The product will be EMR agnostic, scalable and provide licensed access to an integrated network of specialty services and predictive modeling technology. 

 
SaaS-Nest Technologies Pvt. Ltd. is seeking an entry level Frontend Software Engineer to work as a key team member developing web-based solutions. The ideal candidate will possess a solid knowledge of frontend development.  

What you will be doing 

 
The Software Engineer will be working as part of an agile team with other passionate, driven, and talented people, creating healthcare solutions. Your primary responsibilities will include developing interactive web-based, mobile, and/or desktop applications using SaaS-Nest as well as industry best practices to deliver high value and quality to users. 

What you bring (Experience Level & Mandatory Skills in potential candidate) 

• Candidate should have strong fundamentals in modern frontend frameworks (Angular, React or others).
• Hands on experience in JavaScript, TypeScript, modern frontend frameworks.
• Good communication & presentation skills.

 
Desired Skills, Qualifications and Technical Requirements 

• Graduate in Computer Science and/or Engineering.
• Hands-on knowledge of HTML5, CSS3, JavaScript, TypeScript, NPM
• Knowledge/Experience of modern web frameworks.
• Good knowledge of Object-Oriented JavaScript (OOJS), JavaScript - and practical uses in building complex interactive experiences, primarily with ECMAScript 2015
• Good understanding of creational and structural design patterns in JavaScript
• Knowledge/Experience working with Single Page Applications (SPA) with universal rendering capabilities.
• Good understanding of the Web Components standard.
• Understanding of SEO and accessibility and making it part of the development workflow.

Bonus if you have 

• Healthcare Industry experience
• Familiarity of working with TDD in JS with the help of frameworks like Jasmine, Mocha, Karma etc is a plus

Human Resources 

SaaS-Nest Technologies Pvt. Ltd. 

Your Responsibilities

• You will be a rockstar front end engineer bringing to life designs and solutions created in collaboration with designers and product managers. You will be responsible for converting the requirements to fast, optimised, usable interfaces, loved by our users.
• You will be the main source of knowledge on everything “front end” related and guide the team to make correct technical decisions to ensure the speed and scale of the solutions deployed.
• Collaborate daily with back-end developers and web designers to improve the usability
• You will be a key person in ensuring that agile processes created by the team are adhered to and you actively contribute to the improvement of these processes. You will be responsible for estimating your tasks and ensuring that promised timelines are met.
• You will be responsible for the performance, security, scalability, reusability and quality of the applications under you. You will collaborate with senior engineering managers/architects to refine & improve your solutions. You will cascade the same culture across the team by supporting and mentoring team members, helping build truly scalable applications
• You will need to collaborate closely with product managers, designers and business stakeholders to achieve predictable results at a rapid pace. 
• You will be able to handle competing priorities and chart the best course of action for yourself and your team members ensuring blockers are removed
• You will help in attracting and evaluating tech talent to help build the engineering brand of the organization.

Desired background & skills

• 3-9 years of experience as an engineer at top tier digital product companies across consumer or SMB. 
• 3+ years of experience in working on front end JS frameworks like React/Angular/Vue
• Excellent knowledge of working with responsive and adaptive designs. Expert in HTML5, JAVAScript, JQuery & CSS. Basic knowledge of SEO.
• Experience of design collaboration tools such as Zeplin, Figma, XD, Invision. 
• Bonus if either you’re a full stack developer with knowledge of the back end or have experience with cross-platform mobile technologies such as React Native or Flutter.
• You have strong problem-solving skills, data structures and algorithms. 
• Passion to work in an exciting, fast-paced environment. conscientious, curious, hard-working individual who craves accountability and loves to solve complex problems.
• You get a kick out of people using and loving your produced outcome.

Job Role

We are looking for experienced front-end developers to develop and add new features to our Product Stack - everything from UX design and architecture to coding & testing. The role will involve working, side-by-side, with our product team to foster a positive environment and make sure the company’s mission and goals are effectively implemented.

What's in it for you?  You'll be part of a growing team, delivering value to our customers through creative improvements to Actiotech's flagship product. You'll work closely with design and product management, influencing the direction of the product and helping the team get there. 

Responsibilities:

• Write clean, high-quality, high-performance, maintainable code
• Are a self starter and is able to bring in experience for the improvement of the product UX/UI
• Have strong analytic skills, a drive to succeed and a strong customer orientation
• Can support development activities in POC and Product feature enhancements
• Work well within an agile team collaborating with other engineers to deliver an exceptional user experience for our customers

Requirements:

• 2+ years of professional software development experience with JavaScript 
• 1+ year of professional experience with React
• Excellent written and oral communication skills in English
• Eye for detail and good user experience design skills