Fullstack Developer

Role & Responsibilities

• work with peers in Product, QA, and other Engineering departments;
• coach and mentor team members;
• cautiously drive adoption of new technologies and processes;
• preserve our engineering values of quality, scalability, and maintainability;
• “see around corners” — identify blind spots and prioritize work across teams;
• work with international teams to ensure successful product development and delivery; and
• own the overall architecture and systems engineering for your products.

Ideal Candidate

• exceptional communication and organizational skills;
• experience recruiting for and building software engineering teams;
• the ability to inspire and motivate team members;
• a strong technical background in software engineering and architecture, and experience with modern programming languages and frameworks;
• 6+ years of software development experience; and
• 4+ years of experience managing software teams (as a Team Lead or a Manager) or similar experience as an individual contributor.

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 description: for Node js Developer at Appinop Technologies

• Experience in developing IOT applications using NodeJS & frameworks
• Writing reusable, testable, and efficient code
• Familiarity with RESTful APIs . Experience in working on serverless framework in AWS using Lambda, API Gateway . Experience in working on AWS database services such as Dynamodb , RDS - Experience in working on other AWS services such as Cognito, AWS ElasticSearch, Kinesis Data Stream, Firehose, Athena, S3
• Design and implementation of low-latency, high-availability, and performant applications
• Implementation of security and data protection

Requirements and qualifications:

• Previous working experience as a Node.js Developer 1-2 years
• Bachelor's degree in computer science, information aries, and Exceptional analytical and problem-solving aptitude. Science, or similar.
• Extensive knowledge of JavaScript, web stacks, libr
• Knowledge of front-end technologies such as HTML5 and CSS3.
• Superb interpersonal, communication, and collaboration skills.
• Availability to resolve urgent web application issues outside of business hours.

      About Appinop

Innovation begins with like-minded people aiming to transform the world together.

We invite you to become a part of an organization that has been helping clients transform their business by fusing insights, creativity, and technology. At Appinop, we embrace a diverse mix of talented people who come here to stay and do their best work.

At Appinop, we transform passionate individuals into proficient professionals dedicated to exploring new frontiers in Software development. Here you will get the opportunity to work with technical craftsmen that are pioneer in latest technologies

We promote a culture of equality, learning, collaboration, and creative freedom so that our employees grow.

For more information about our solutions and organization, visit http://www.Appinop.com">www.Appinop.com

Job Title : MERN Stack Developer with Blockchain Expertise

Job Description :

We are looking for a dynamic and skilled MERN Stack Developer with a specialization in Blockchain to join our team. As a Blockchain MERN Stack Developer, you will be instrumental in crafting and implementing blockchain solutions, utilizing the MERN stack for both front-end and back-end development. Your role will contribute to the creation of secure, scalable, and decentralized applications.

Responsibilities :

- Develop and design applications based on blockchain technology using the MERN stack.

- Implement and integrate smart contracts and decentralized solutions into the development process.

- Collaborate with cross-functional teams to define project requirements and specifications.

- Create and maintain high-quality, reusable, and reliable code.

- Ensure the application of secure coding practices to uphold the integrity of blockchain solutions.

- Utilize front-end technologies, particularly React, to build engaging and user-friendly interfaces.

- Work closely with UX/UI designers to implement visually appealing and intuitive interfaces.

- Participate in code reviews, offering constructive feedback to team members.

- Identify and troubleshoot issues related to blockchain and MERN stack development.

- Stay informed about the latest trends, tools, and emerging technologies in blockchain.

Requirements :

- Proven experience as a Full Stack Developer with a specific focus on blockchain technology.

- Proficiency in the MERN stack (MongoDB, Express.js, React, Node.js).

- Experience with major blockchain platforms such as Ethereum, Hyperledger, or similar.

- Solid understanding of smart contract development and implementation.

- Familiarity with decentralized application (dApp) development.

- Knowledge of cryptography and principles of blockchain security.

- Familiarity with version control systems, such as Git.

- Strong problem-solving and analytical skills.

- Excellent collaboration and communication skills.

- Bachelor's degree in Computer Science or a related field (or equivalent work experience).

If you are passionate about both blockchain technology and MERN stack development and thrive in an innovative environment, we encourage you to apply or share your CV and contribute to our cutting-edge projects.

Key Responsibilities: 

• Rewrite existing APIs in NodeJS. 
• Remodel the APIs into Micro services-based architecture. 
• Implement a caching layer wherever possible. 
• Optimize the API for high performance and scalability. 
• Write unit tests for API Testing.
• Automate the code testing and deployment process.

Skills Required: 

• At least 2.5 years of experience developing Backends using NodeJS — should be well versed with its asynchronous nature & event loop, and know its quirks and workarounds. 
• Excellent hands-on experience using MySQL or any other SQL Database. 
• Good knowledge of MongoDB or any other NoSQL Database. 
• Good knowledge of Redis, its data types, and their use cases. 
• Experience with graph-based databases like GraphQL and Neo4j. 
• Experience developing and deploying REST APIs. 
• Good knowledge of Unit Testing and available Test Frameworks. 
• Good understanding of advanced JS libraries and frameworks. 
• Experience with Web sockets, Service Workers, and Web Push Notifications. 
• Familiar with NodeJS profiling tools. 
• Proficient understanding of code versioning tools such as Git. 
• Good knowledge of creating and maintaining DevOps infrastructure on cloud platforms. 
• Should be a fast learner and a go-getter — without any fear of trying out new things Preferences. 
• Experience building a large scale social or location-base

Job Title: Senior Lead – Application Engineering

Remote | Chennai | Hyderabad | Bangalore

Tiger Analytics is a global AI and analytics consulting firm. With data and technology at the core of our solutions, our 2800+ tribe is solving problems that eventually impact the lives of millions globally. Our culture is modeled around expertise and respect with a team-first mindset. Headquartered in Silicon Valley, you’ll find our delivery centers across the globe and offices in multiple cities across India, the US, the UK, Canada, and Singapore, including a substantial remote global workforce. 

We’re Great Place to Work-Certified™. Working at Tiger Analytics, you’ll be at the heart of an AI revolution. You’ll work with teams that push the boundaries of what is possible and build solutions that energize and inspire.

Curious about the role? What your typical day would look like?

As an Application Engineer, you will be responsible for Application Engineering capability, designing and developing web applications, and managing small teams of App engineers In doing so, you will closely collaborate with program leads and technology architects across global locations.

More specifically, you might:

• Collaborate with business analysts and technical managers to understand functional, and non-functional requirements, and scope.
• Design and develop multi-tier, cloud-native, high-performance, and scalable solutions
• Indulge in applying benchmarking software engineering principles and design patterns to build robust world-class solutions.
• Direct cross-functional agile teams as a leader across the software development lifecycle
• Analyse design alternatives using proofs-of-concept, and engage with architects to choose the best optimal solutions
• Obsess about writing high-quality code and performing reviews of the design and code.
• Interact and collaborate with project/program managers to estimate, plan, and reduce technical concerns at the module or project level.
• Ideate with your peers, support their work, and provide constructive feedback on their solutions.
• Try to get to the heart of the problem by closely liaising with customers and getting to the heart of what's working and what's not.

What do we expect? 

• 8+ years of experience
• A passion to write clean yet simple programs using JavaScript, HTML5, CSS3
• A drive to create basic, uncluttered programs using Java / .Net core / Python with Django or Flask.

• Keen interest in creating web frameworks like Angular / React JS 
• A comprehensive foundation using object-oriented and functional programming languages. 
• Wide-ranging knowledge in web server technologies - Node.js / Nginx
• Exposure to Cloud environments - AWS / Azure / GCP
• Good understanding of working with API design and development

You are important to us, let’s stay connected!

Every individual comes with a different set of skills and qualities so even if you don’t tick all the boxes for the role today, we urge you to apply as there might be a suitable/unique role for you tomorrow. 

We are an equal-opportunity employer. Our diverse and inclusive culture and values guide us to listen, trust, respect, and encourage people to grow the way they desire. 

Built a collaboration platform - messaging, voice, video - to be used in mobile apps, web etc. 

● Good understanding of Docker and Kubernetes deployments