Senior Software Engineer – Frontend (React.js)

Job Description -

Profile: .Net Full Stack Lead

Experience Required: 7–12 Years

Location: Pune, Bangalore, Chennai, Coimbatore, Delhi, Hosur, Hyderabad, Kochi, Kolkata, Trivandrum

Work Mode: Hybrid

Shift: Normal Shift

Key Responsibilities:

• Design, develop, and deploy scalable microservices using .NET Core and C#
• Build and maintain serverless applications using AWS services (Lambda, SQS, SNS)
• Develop RESTful APIs and integrate them with front-end applications
• Work with both SQL and NoSQL databases to optimize data storage and retrieval
• Implement Entity Framework for efficient database operations and ORM
• Lead technical discussions and provide architectural guidance to the team
• Write clean, maintainable, and testable code following best practices
• Collaborate with cross-functional teams to deliver high-quality solutions
• Participate in code reviews and mentor junior developers
• Troubleshoot and resolve production issues in a timely manner

Required Skills & Qualifications:

• 7–12 years of hands-on experience in .NET development
• Strong proficiency in .NET Framework, .NET Core, and C#
• Proven expertise with AWS services (Lambda, SQS, SNS)
• Solid understanding of SQL and NoSQL databases (SQL Server, MongoDB, DynamoDB, etc.)
• Experience building and deploying Microservices architecture
• Proficiency in Entity Framework or EF Core
• Strong knowledge of RESTful API design and development
• Experience with React or Angular is a good to have
• Understanding of CI/CD pipelines and DevOps practices
• Strong debugging, performance optimization, and problem-solving skills
• Experience with design patterns, SOLID principles, and best coding practices
• Excellent communication and team leadership skills

About One Impression

One Impression is one of the world’s largest influencer marketing platforms, working with 300+ global brands like Unilever, Nestle, and Amazon to connect with a diverse creator network. Our platform empowers brands and creators to collaborate seamlessly and scale their reach. To capture a significant share of global media ad spend, One Impression is quickly becoming the industry’s go-to influencer marketing platform.

About the Role

We are looking for a Frontend Engineer (SDE II) who is experienced in both React.js for Web and React Native for Mobile Apps. You will be responsible for architecting, implementing, and optimizing web and mobile applications while collaborating closely with Product, Design, and Backend teams.

This role is perfect for someone who enjoys working across platforms, building scalable systems, and enhancing the developer experience.

Key Responsibilities

• Architect and develop frontend solutions for both Web (React.js) and Mobile Apps (React Native).
• Build and optimize config-driven systems, reusable components, and common libraries.
• Work closely with Product Managers, Designers, and Backend Engineers to create seamless user experiences across platforms.
• Own and drive React Native-based mobile applications, ensuring modular, scalable, and performant code.
• Optimize web and mobile performance for speed, responsiveness, and efficiency.
• Set up and manage CI/CD pipelines for both web (Docker, Vercel) and mobile apps (Fastlane, App Store/Play Store).
• Implement and maintain state management using Redux, Redux Saga, Recoil, or MobX.
• Work with mobile-specific integrations, such as Firebase Push Notifications, Deep Linking, and Native Modules.
• Ensure cross-platform consistency by handling browser compatibility (web) and device compatibility (mobile).
• Write clean, maintainable, and reusable code, following best practices and design patterns.
• Debug and fix issues rapidly, ensuring a seamless Web & Mobile experience.
• Stay up-to-date with the latest trends and contribute to open-source projects, tech talks, and internal knowledge sharing.

Requirements

• 3-5 years of experience in frontend development, working with both React.js (Web) and React Native (Mobile).
• Strong expertise in JavaScript (ES6+), React.js, and React Native.
• Experience with bundlers like Webpack, Rollup, and Metro for React Native.
• Deep understanding of mobile CI/CD (Fastlane, App Store, Play Store) and web CI/CD (Docker, Vercel, Jenkins, GitHub Actions).
• Strong grasp of Web & Mobile performance optimization techniques.
• Experience with Redux, Redux Saga, MobX, or Recoil for state management.
• Good understanding of mobile UI/UX principles, animations (Reanimated, Gesture Handler), and responsive design.
• Basic familiarity with native iOS/Android development (Swift/Kotlin is a plus).
• Experience with Unit Testing (Jest, React Native Testing Library, Detox, Cypress, Appium, or Espresso).
• Strong debugging skills using Chrome DevTools (Web) and Flipper, Xcode, Android Studio (Mobile).
• Ability to work independently, take ownership of projects, and mentor junior engineers.
• Open to feedback and collaborative in working towards the best user experience.

Why Join One Impression?

- Be a part of one of the largest influencer marketing platforms globally, working with top brands and influencers.

- Opportunity to lead and shape a fast-growing marketplace product.

- Competitive salary and benefits package.

- A collaborative and innovative work culture in a rapidly scaling company.

Immediate hiring!

Senior Frontend Developer - ReactJs

About Manufac:

Manufac Analytics Private Limited is a software solutions provider that operates on two fronts: services and products. On the services front, the company builds web, desktop, and mobile applications to solve various challenges in industries such as healthcare, hospitality, education, finance, and manufacturing sectors. While on the product front, Manufac Analytics is working towards building tools that help improve manufacturing plants' operational efficiency.

Job Profile:

The ideal candidate will be responsible for designing, developing, testing, and debugging responsive web and mobile applications for the company. Using JavaScript, HTML, and CSS, this candidate will be able to translate user and business needs into functional front-end design. The position requires mentoring the team by sharing effective skills and knowledge.

Responsibilities:

As an SDE-II, the company is seeking:

• Developing user interfaces for web applications, primarily via ReactJS, but occasionally via other frameworks like Angular/Vue too.
• A talented JavaScript/TypeScript developer to join their team.
• The role includes developing user interfaces for web applications.
• Setting up REST & GraphQL-based APIs using SQL and NoSQL databases.
• Deploying and maintaining cloud infrastructure AWS, GCP, and Azure.
• Enhancing and maintaining a product's test suite.
• Participating in the full lifecycle of software development: gathering product requirements, architecture, solution design, development, quality assurance, and maintenance.
• The role also involves mentoring others on best practices and effectively sharing knowledge and delivering high-quality implementations while promoting engineering excellence within the team.

Skills and Qualifications:

• The ideal candidate should have a Bachelor's degree in Computer Science, Information Technology, or a related field.
• Minimum of 3+ years of experience in JavaScript/TypeScript and ReactJS.
• The candidate should also have a good understanding of mobile responsive design and cross-browser compatibility.
• Proficiency in at least one of the following cloud platforms: AWS, GCP, or Azure.
• Experience with version control systems such as Git.
• Strong problem-solving skills, and attention to detail.
• Ability to work independently and as part of a team.

Salary:

As per the industry standards.

Toplyne is a global SaaS product built to help revenue teams, at businesses with a self-service motion, and a large user-base, identify which users to spend time on, when and for what outcome. Think self-service or freemium-led companies like Figma, Notion, Freshworks, and Slack. We do this by helping companies recognize signals across their - product engagement, sales, billing, and marketing data.

Founded in June 2021, Toplyne is backed by marquee investors and angels (we'll be happy to tell you how much we've raised, and from whom on call). We are building out our founding team as we speak and we'd love to chat with you!

You taking a lot of pride in writing scalable, readable & maintainable code. You have a product bent of mind. You like working in a fast paced environment and ship code most days of the week. You enjoy working cross functionally in a collaborative environment with designers, PM's to build the best product possible. You don't mind getting on customer calls to understand their perspective to build a better product or help them with issues they might be facing.

You're hungry, ready to hustle, and keen to learn!

As a founding member of the core engineering team, you will:

• Work with the founders in co-creating the product with early believers (read: customers)
• Develop massive, complex software systems that scale globally.
• Build and own a substantial part of the product and help build the culture of engineering within Toplyne

• Strong first principles
• Hustle! We're young, lean, and in our early days. You'd have to set up your own shop, work with design customers to find generalisable use cases, and build them out.
• Ability to collaborate with cross-functional teams to build and ship new features
• 2-6 years of experience
• Good understanding and experience working with javascript frameworks such as React.
• Work closely with developers and UX designers to ensure that the presentation layer is implemented in accordance with best above best practices and UX specifications.

• Not looking for a 10x engineer. We are ok if you are 1x but are really good at what you, a good human being & work well in a team.

• Architect, Design, implement, and deploy solutions that are reliable and perform at scale in multi-tenant environment.
• Collaborate with UX design group and convert the design to actual UI components and pages to delight users of our cloud platform
• Evaluate technology and make choice based on performance, scalability, security and future expansion.
• Work with different stakeholders within and outside the team in a highly collaborative environment.
• Working with rapid and innovative development methodologies like: Kanban, Continuous Integration and Daily deployments
• Engage with Product Management and Business to create Product roadmap, own technical backlog and roadmap for technology supremacy.
• Continually learn about new technologies, generate new ideas and improve the use of technology in the product.
• Driving various organization wide activities like Hackathon, Ideathon, brown bag sessions and technical blogs

• Strong experience in Information Architecture and UI Design experience in delivering concepts, wire frames, prototypes, and compelling visual experiences.
• Possess the knowledge of the Graphic Design, Usability and ability to apply strategic thinking to deliver exceptional end to end user experience
• Expert understanding of strong Standards Based HTML Development as also strong JavaScript and JS libraries / UI Frameworks like Prototype.js, DHTMLX, ExtJS, JQuery (one Framework at the least is a must)
• Strong experience in Vue.JS/Backbone.JS or similar.
• Strong in CSS and AJAX / XML / XSLT / DOM / JSON
• Should have fundamental understanding of JavaScript - OOPs
• Understand Cross Browser issues and client side cookie
• Would expect the successful candidate to be highly proficient in Web Standards including W3C and WCAG
• Possess strong and relevant exposure to Web Accessibility/ Usability
• Would require to be intimately familiar with defining UI Specifications / Guidelines
• Would be essential to possess knowledge of web-based technologies and their impact on the feasibility of design solutions, including the capabilities and limitations of Web Technologies
• Experience in the Retail Domain or working on building Analytical Tools would be a plus
• Very good written and verbal communication skills
• Experience working with Agile development environments