Fullstack Developer

Data Engineer

Experience: 4–6 years

Key Responsibilities

• Design, build, and maintain scalable data pipelines and workflows.
• Manage and optimize cloud-native data platforms on Azure with Databricks and Apache Spark (1–2 years).
• Implement CI/CD workflows and monitor data pipelines for performance, reliability, and accuracy.
• Work with relational databases (Sybase, DB2, Snowflake, PostgreSQL, SQL Server) and ensure efficient SQL query performance.
• Apply data warehousing concepts including dimensional modelling, star schema, data vault modelling, Kimball and Inmon methodologies, and data lake design.
• Develop and maintain ETL/ELT pipelines using open-source frameworks such as Apache Spark and Apache Airflow.
• Integrate and process data streams from message queues and streaming platforms (Kafka, RabbitMQ).
• Collaborate with cross-functional teams in a geographically distributed setup.
• Leverage Jupyter notebooks for data exploration, analysis, and visualization.

Required Skills

• 4+ years of experience in data engineering or a related field.
• Strong programming skills in Python with experience in Pandas, NumPy, Flask.
• Hands-on experience with pipeline monitoring and CI/CD workflows.
• Proficiency in SQL and relational databases.
• Familiarity with Git for version control.
• Strong communication and collaboration skills with ability to work independently.

We’re building a powerful, AI-driven communication platform — a next-generation alternative to RingCentral or 8x8 — powered by OpenAI, LangChain, and SIP/WebRTC. We're looking for a Full-Stack Software Developer who’s passionate about building real-time, AI-enabled voice infrastructure and who’s excited to work in a fast-moving, founder-led environment.

This is an opportunity to build from scratch, take ownership of core systems, and innovate on the edge of VoIP + AI.

What You’ll Do

• Design and build AI-driven voice and messaging features (e.g. smart IVRs, call transcription, virtual agents)
• Develop backend services using Python, Node.js, or Golang
• Integrate OpenAI, Whisper, and LangChain with real-time VoIP systems like Twilio, SIP, or WebRTC
• Create scalable APIs, handle call logic, and build AI pipelines
• Collaborate with the founder and early team on product strategy and infrastructure
• Participate in occasional in-person strategy meetings (Delhi, Bangalore, or nearby)

Must-Have Skills

• Strong programming experience in Python, Node.js, or Go
• Hands-on experience with VoIP/SIP, WebRTC, or tools like Twilio, Asterisk, Plivo
• Experience integrating with LLM APIs, OpenAI, or speech-to-text models
• Solid understanding of backend design, Docker, Redis, PostgreSQL
• Ability to work independently and deliver production-grade code

Nice to Have

• Familiarity with LangChain or agent-based AI systems
• Knowledge of call routing logic, STUN/TURN, or media servers (e.g. FreeSWITCH)
• Interest in building scalable cloud-first SaaS products

Work Setup

• 🏠 Remote work (India-based, must be reachable for meetings)
• 🕐 Full-time role
• 💼 Direct collaboration with founder (technical)
• 🧘‍♂️ Flexible hours, strong ownership culture

Job Title: MERN Stack Developer (Node.js & React.js Expert)

Experience: 5 – 7 Years

Location: Bangalore

Work Mode : Hybrid

Employment Type: Full Time

Job Summary:

We are seeking a highly skilled MERN Stack Developer with a strong background in Node.js and React.js to join our dynamic team. The ideal candidate should have 5–7 years of hands-on experience building scalable, secure, and high-performance web applications. You will play a critical role in the architecture, design, development, and deployment of end-to-end solutions using the MERN stack.

Key Responsibilities:

• Design, develop, and maintain full-stack applications using MongoDB, Express.js, React.js, and Node.js
• Build RESTful APIs and ensure integration with front-end components
• Optimize components for maximum performance across a vast array of web-capable devices and browsers
• Write clean, modular, and reusable code with proper documentation and testing
• Troubleshoot and debug issues across the stack
• Collaborate with UI/UX designers, product managers, and other developers to deliver high-quality products
• Participate in code reviews, architectural discussions, and continuous improvement of development processes
• Ensure secure coding practices and compliance with best standards
• Manage deployments and maintain CI/CD pipelines

Required Skills and Qualifications:

• 5–7 years of professional experience in full-stack web development with a focus on Node.js and React.js
• Deep understanding of JavaScript, ES6+, and asynchronous programming
• Strong experience in building scalable backend services using Node.js and Express
• Proficient in building rich UI components using React.js, Redux/Context API, and modern front-end tooling (Webpack, Babel, etc.)
• Experience with MongoDB and Mongoose, and understanding of NoSQL database design
• Hands-on experience with API design, JWT/Auth, and third-party integrations
• Familiarity with Git, Docker, and modern DevOps practices
• Knowledge of performance optimization and security best practices
• Experience with testing frameworks (Jest, Mocha, Cypress, etc.)

Nice to Have:

• Exposure to TypeScript
• Experience with GraphQL
• Familiarity with cloud platforms like AWS, Azure, or GCP
• Knowledge of CI/CD tools like Jenkins, GitHub Actions, etc.

Note : Immediate & Serving Notice period candidates are prefered

BLAZE Madurai looking for JavaScript developers with hands-on web or mobile app development.

Skills required for JS Frontend developer:

• Must have strong experience in AngularJS / React JS / Flutter / Ionic / etc.
• Good understanding of advanced JavaScript concepts like Objects/Closures/Async Events/etc is required
• Good understanding of code versioning tools, such as Git or Hg

Skills required for JS Backend developer:

• Experience with NodeJs or another JavaScript server.
• Experience with WebSocket API’s consumption and creation.
• Experience with a JS Backend framework is important ex: ExpressJS/Meteor/Sail/Koa/etc.
• Experience in other backend programming PHP/Python/Ruby/.NET is an advantage.

Experience: 1 - 3 Years

Job Location: Madurai

CoinCROWD

Full Stack Engineer,

Full time- remote

In a rapidly evolving technological landscape, cryptocurrencies are transforming the global financial system. At CoinCrowd, we’re not just keeping pace—we’re at the forefront! Our cutting-edge platform is redefining the digital economy by offering advanced payment solutions, optimizing wallet portfolio management, and enhancing security measures.

Your Role:

As a Full stack Developer, you will be central to our mission. This is a full-time, remote position.

What You’ll Do:

● Strategic Vision: Develop and implement the technical vision, strategy, and roadmap for CoinCrowd's cryptocurrency platform.

● Platform Excellence: Lead the design, development, and maintenance of our platform, ensuring it is secure, performant, and scalable.

● Collaborate: Work with product managers and stakeholders to define and prioritize engineering projects.

● Stay Cutting-Edge: Keep up with industry trends and emerging technologies to ensure our platform remains at the forefront.

● Best Practices: Promote and implement best practices, coding standards, and efficient development processes.

● Resource Management: Oversee budgets, resources, and timelines for engineering projects.

● Focus on Security: Ensure strong security, compliance, and data protection practices.

About You:

● Experience: 5+ years in technology.

● Technical Skills: Proficient in node.js or Python, React, Flutter, PostgreSQL, Elastic, and GCP.

● Industry Knowledge: Experience in fintech or crypto, with a strong understanding of blockchain and cryptocurrency.

● Problem Solver: Excellent technical and problem-solving abilities.

● Agile Expert: Skilled in agile development methodologies. Your Superpowers:

● Blockchain Expert: Strong knowledge of blockchain platforms, wallets, and distributed ledger technologies.

● Framework Proficiency: Experience with Ethereum, Hyperledger, or Corda.

● Security Knowledge: In-depth understanding of cryptographic principles and secure coding practices.

● Excellent Communicator: Ability to work effectively with stakeholders at all levels.

● Integration Skills: Experience integrating blockchain solutions with external systems and APIs.

● Educational Background: Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field.

What's in It for You:

This role offers equity-only compensation, giving you a stake in CoinCrowd's success. It’s a unique opportunity to be part of something significant and see your efforts directly impact our growth!

Join us at CoinCrowd and be part of the crypto revolution!

• Bachelor’s degree in Computer Science, Software Engineering, or a related discipline
• 4+ years experience working in an IT environment
• 4+ years of Object-oriented design, functional programming
• Node JS API Development (Firebase API development is a plus)
• Angular or VUE or React JS Front end Development (VUE Js Experience is a plus)
• HTML / CSS responsive development
• Experience using any database
• Experience developing in an Agile / SCRUM Environment
• Experience developing mission-critical applications
• Strong business and technical acumen
• Excellent verbal and written communication skill

Company Introduction

Edfone is an educational technology company, which creates smart tools for students.

This position is for a global project where your work will create an impact on students across the globe. Being one of the early in-house team members you will get to enjoy interacting with founding team and working with early customers - students and teachers. And as always, you will be eligible for a fair share of startup benefits. If you are someone who loves to write mouth watering code and is game to for an exciting ride to help students across the world learn better, do see if you have the skills we need and apply.

Job Description

We are looking for a React Native developer interested in building performant mobile apps on both the iOS and Android platforms. You will be responsible for architecting and building these applications, as well as coordinating with the teams responsible for other layers of the product infrastructure. Building a product is a highly collaborative effort, and as such, a strong team player with a commitment to perfection is required.

Responsibilities

• Build pixel-perfect, buttery smooth UIs across both mobile platforms.
• Leverage native APIs for deep integrations with both platforms.
• Diagnose and fix bugs and performance bottlenecks for performance that feels native.
• Reach out to the open source community to encourage and help implement mission-critical software fixes
• Maintain code and write automated tests to ensure the product is of the highest quality.
• Transition ownership of existing React Native apps from out sourced developers to in-house

Skills

• Firm grasp of the JavaScript and its nuances, including ES6+ syntax
• Knowledge of functional or object-oriented programming
• Ability to write well-documented, clean Javascript code
• Rock solid at working with third-party dependencies and debugging dependency conflicts
• Familiarity with native build tools, like XCode, Gradle, Android Studio
• Understanding of REST APIs, the document request model, and offline storage
• Experience with automated testing suites, like Jest or Mocha

Position profile

Senior Software Engineer

Responsibilities and duties

Skill Set

Primary

• 4-7 years’ experience developing scalable Mobile, Web and Cloud based applications.
• 3-4 years’ experience with hybrid mobile applications using IonicJS.
• 3-4 years’ experience with backend frameworks: Node.js, Express.js, Mongoose.js.
• 3-4 years’ experience with JavaScript Frameworks such as Angular, CSS and HTML5.
• 1-2 years’ experience with Azure Cloud, Azure PaaS (Functions, Service Bus, etc.).
• 1-2 years’ experience with SQL Server and MongoDB database.
• Experience in developing applications involving data extraction, transformation, and visualization using tools like Power BI.
• Very strong experience with the orchestration of multiple asynchronous API calls via call backs, promises, and async/await.
• Hands-on experience with TDD, using libraries such as Mocha/Jasmine.
• Define and implement application & infrastructure migration methodologies and techniques to migrate workloads into Azure.
• Knowledge of CI/CD, Jenkins pipelines would be a plus.
• Knowledge of AWS Cloud would be a plus.
• Experience in developing native iOS and Android applications would be a plus.

Technical Skills:

• Hands-on experience with JavaScript/TypeScript ( NodeJS & ExpressJS) in) Development on both client and server-side
• Proficiency in HTML, CSS and front end frameworks(Angular 7, AngularJS) 
• Having experience in building a responsive web design
• Experience with MongoDB and good knowledge in database concepts
• Experience with web frameworks like ExpressJS
• Developing secure Node.js end points using Passport, JWT, OAuth, and related technologies.
• Knowledge in Restful API Design
• Knowledge in unit testing tools like Karma, Jasmine etc..
• Experience with Version control systems like GIT and knowledge in GIT branching is necessary.
• Knowledge in continuous integration
• Strong object-oriented knowledge in any platform is a plus
• Proficiency and hands-on experience with one or more of the following: Backbone / KnockoutJS / EmberJS / ReactJS is a plus
• Knowledge in payment gateway integration is a plus

Responsibilities:

• Working with an Agile Scrum team using tools such as JIRA.

• Involving in writing functional specifications and technical documentation

• Working with the peer developers and writing good quality codes and release features

• Participation in internal code reviews

• Direct interaction with the client