Web UI Developer

Design, develop, and maintain high-performance Android applications using Kotlin (Java knowledge preferred). Integrate REST APIs, Firebase, WebSockets, payment gateways, and third-party services while implementing secure authentication (OTP, JWT, OAuth) and role-based access control. Optimize application performance, security, scalability, and manage Play Store releases. Experience with Git, cloud platforms (AWS/GCP), and API security best practices is essential. Exposure to real-time applications (ride-hailing, delivery, chat), CI/CD, Docker, and WhatsApp Business API is an advantage. Candidates should possess strong analytical, debugging, communication, and problem-solving skills with the ability to work independently in a fast-paced startup environment.

Job Description :

Job Title : Flutter Developer

Experience : 3+ Years

Location : Gurugram, India (Immediate Joining)

Key Responsibilities :

• Design and build advanced mobile apps for Android & iOS using Flutter.
• Collaborate with UI/UX designers to create intuitive user interfaces.
• Integrate REST APIs and third-party services into apps.
• Write clean, maintainable code and perform tests for robustness.
• Ensure high performance and responsiveness in all apps.

Requirements :

• 3+ Years of experience in Flutter app development.
• Proficient in Dart with strong object-oriented programming skills.
• Experience with Android/iOS mobile development (native or cross-platform).
• Familiarity with Firebase, RESTful APIs, and version control tools (Git).
• Understanding of mobile UI/UX principles.
• Experience with state management (Bloc, Provider, GetX) and Agile methodologies.

Position: React JS Developer

Location: Chennai/Bangalore

Experience: 3-5 Years

Job Responsibilities:

• Reviewing application requirements and interface designs.
• Identifying web-based user interactions.
• Developing and implementing highly-responsive user interface components using React concepts.
• Writing application interface codes using JavaScript following React.js workflows.
• Troubleshooting interface software and debugging application codes.
• Developing and implementing front-end architecture to support user interface concepts.
• Monitoring and improving front-end performance.
• Building reusable code and libraries for future use
• Collaborating with other team members.
• Supporting software deployment and provide post production support (as and when needed)
• Documenting application changes and developing updates.

Required Skills:

• 3-5 years of experience developing and implementing software applications.
• Previous experience working as a React.js Developer.
• Knowledge in e-Commerce domain will be a plus.
• In-depth knowledge of JavaScript, CSS, HTML and front-end languages.
• Knowledge of REACT tools including React.js, Webpack, Enzyme, Redux, and Flux.
• Experience with REST API's 
• In-depth understanding of Javascript, the DOM, and relevant concepts.
• Knowledge of modern authorization mechanisms, such as JSON Web Token. 
• Experience with user interface design.
• Proficient understanding of cross-browser compatibility issues and ways to work around them.
• Experience with browser-based debugging and performance testing software.
• Proficient understanding of code versioning tools, such as Git, Github.
• Excellent troubleshooting skills.

•  Excellent Communication Skills.
• Working knowledge of React libraries such as Redux, Redux Thunk, Redux Saga, Redux Forms, Immutable etc.
• Highly proficient in JavaScript and ReactJs
• Good understanding of design libraries such as Material, Ant and Semantics etc.
• Basic understanding of front-end technologies, such as HTML5, and CSS3.
• Sound knowledge of Testing frameworks such as Jest, Enzyme, Mocha, Protector etc.
• Experience of writing unit, integration and E2E tests.
• Experience of integrating third party APIs.
• Good understanding of code versioning tools, such as Git.

Requirements

• 2+ years of experience with one of the top frontend frameworks - React (preferred)/ Angular / Vue
• Solid understanding of modern CSS methodologies like SCSS, SASS
• Exposure to latest developments in UI development like PWA, Single Page Apps, Hybrid Apps, Responsive web design etc
• Working knowledge of RESTful APIs, HTTP 2, Socket Connections
• Deep understanding of Javascript topics including the V8 Engine, Async, Memory Management, Duplex Communication.
• Experienced in Unit / Integration / Visual Testing.
• Ability to develop pixel-perfect web pages from designs
• Prior startup experience is a plus

Why join SigNoz?
SigNoz helps developers monitor applications and troubleshoot problems in their deployed applications. SigNoz uses distributed tracing to gain visibility into your software stack.

• SigNoz is backed by YCombinator 
• We have taken up a big challenge to replace $B companies via the power of opensource and community. You will get a feel of what climbing an Everest feels like.
• Work with the founding team from IITD and IIMA
• Developers from all over the world are trying out SigNoz. Be a part of building a deep tech global OSS product from India

Why is the role fantastic?

• You will be a founding engineer (one of the early team members who get a stake in our company)
• Get a chance to work on some data intensive frontend projects
• Get a chance to work on real time graphs
• You will get an opportunity to build your profile as an evangelist and communicate will fellow developers in the community.
• Your code will be open sourced, hence code quality will be crucial. You will manage the repo and review PRs
• You get to learn other aspects of development and product, from deployment to discussing features.

Must have skills

• Past experience of working in a global user-facing product
• A strong grasp of libraries and frameworks such as React.js and Typescript will be integral to your success. You may need to tweak other OSS libraries
• Strong working knowledge of HTML, CSS
• Aggressive in building stuff