
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

About Lynx Technologies LLC
About
At Lynx Technologies LLC, we are redefining how software, AI, and digital products are designed, developed, and scaled. As a next-generation software development and technology partner, we specialize in building cutting-edge digital solutions for ambitious businesses worldwide.
We combine human creativity, AI automation, and advanced technology to empower startups, enterprises, and entrepreneurs to turn their ideas into reality — faster, smarter, and more efficiently than ever.
Whether it's building custom AI-powered platforms, next-gen websites, mobile apps, enterprise-grade software, or scalable digital marketing solutions — Lynx Technologies delivers with precision, innovation, and future-ready designs.
Our mission is simple: We build software for the world of tomorrow.
Tech stack
Candid answers by the company
✔️ Custom Software Development
✔️ AI-Powered Platforms & Automation Systems
✔️ Website Design & Development (Tailored to industries)
✔️ Scalable Product Store & E-Commerce Development
✔️ Mobile App Development (iOS, Android, Cross-platform)
✔️ Digital Marketing Solutions — SEO, PPC, Lead Generation
✔️ AI-Orchestrated Multi-Agent Systems for automation
✔️ Advanced UI/UX and Interactive Product Designs
✔️ Software Consulting & Product Strategy
We act as a one-stop technology partner for clients seeking performance-driven, future-ready, and AI-integrated solutions.
Company social profiles
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- 1–5 years of experience in MERN stack development
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MERN STACK DEVELOPER
ABOUT US
Datacultr is a global Digital Operating System for Risk Management and Debt Recovery, we drive Collection Efficiencies, Reduce Delinquencies and Non-Performing Loans (NPL’s). Datacultr is a Digital-Only provider of Consumer Engagement, Recovery and Collection Solutions, helping Consumer Lending, Retail, Telecom and Fintech Organizations to expand and grow their business in the under-penetrated New to Credit and Thin File Segments.
We are helping millions of new to credit consumers, across emerging markets, access formal credit and begin their journey towards financial health. We have clients across India, South Asia, South East Asia, Africa and LATAM.
Datacultr is headquartered in Dubai, with offices in Abu Dhabi, Singapore, Ho Chi Minh City, Nairobi, and Mexico City; and our Development Center is located out of Gurugram, India.
ORGANIZATION’S GROWTH PLAN
Datacultr’s vision is to enable convenient financing opportunities for consumers, entrepreneurs and small merchants, helping them combat the Socio-economic problems this segment faces due to restricted access to financing.
We are on a mission to enable 35 million unbanked & under-served people, access financial services by the end of 2026.
Position Overview
We are looking for a talented and enthusiastic MERN Stack Developer to join our development team. As a MERN developer, you will be responsible for building and maintaining full-stack web applications using MongoDB, Express.js, React.js, and Node.js.
Core Responsibilities
- Develop, test, and maintain full-stack web applications using the MERN stack (MongoDB, Express.js, React.js, Node.js).
- Design and implement robust, scalable, and secure RESTful APIs and backend services.
- Collaborate with UI/UX designers to build responsive, intuitive, and user-friendly web interfaces.
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- Participate in code reviews, team discussions, and agile ceremonies to ensure high-quality software delivery.
- Bonus skills: Familiarity with TypeScript, Docker, and CI/CD pipelines is a strong plus.
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Key Requirements
- 1 – 2.5 years of hands-on experience in full-stack development using the MERN stack.
- Proficiency in React.js, Node.js, Express.js, and experience with both PostgreSQL and MongoDB.
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- ·Familiarity with Git and collaborative version control workflows.
- ·Solid problem-solving, debugging, and analytical skills.
- · Experience working in an Agile/Scrum development environment.
What We Offer
- Opportunity to shape the future of unsecured lending in emerging markets
- Competitive compensation package
- Professional development and growth opportunities
- Collaborative, innovation-focused work environment
- Comprehensive health and wellness benefits
Location & Work Model
- Immediate joining possible
- Work From Office only
- Based in Gurugram, Sector 65
About the job
Whirldata Inc. is an AI/Data Sciences/App Dev company established in 2017 to provide management and technology consulting services to small and medium enterprises across the globe. We are headquartered in California and our team works out of Chennai. The specific focus is on
- Helping clients identify areas where Data Sciences and AI-based approaches can increase revenues, decrease costs or enhance customer engagement experience
- Help clients translate business needs into process flows for exploratory and cutting-edge applications
- Provide appropriate and targeted solutions that can achieve the planned objective
Whirldatas management team consists of individuals with a combined 45+ years of management and technology consulting experience, spanning multiple verticals such as finance, energy, retail, manufacturing and supply chain/logistics. Please look up our website and go through the blogs/videos/articles to find out more about us.
Working Philosophy
Whirldata works on the principle that, larger business goals come first and any technology-intensive solutions need to support necessary business goals. Hence all engagements start as a management consulting exercise and solution building follows after a thorough understanding of business needs.At Whirldata, we put our minds together, mix technology, art & math to deliver a viable, scalable and affordable business solution. We are passionate about what we do because we know that our work has the power to improve businesses. You can join our team working at the forefront of new technology, solving the challenges that impact both the front-end and back-end architectures, and ultimately, delivering amazing global user experiences.
Who we are looking for:
Full Stack Engineer (Position based in Chennai)
The following criteria are mandatory requirements and we strongly encourage that you apply only if you meet all these criteria:
1. Minimum 3 years of work experience
2. Proven capability to understand clients business needs
3. At least one demonstrable stint of architecting a database from scratch
4. Multiple programming language capabilities a must. In-depth knowledge of at least one programming language
5. Willingness to wear multiple hats depending on our business needs will be a priority
6. At least 2 years of hands-on experience in front-end development
7. Knowledge of current tools, platforms and languages an absolute must
8. Hands-on experience in cloud technologies and project management capabilities will be considered favourably
What do you get in return
- AI, Data Sciences and App dev require individuals who are both business and tech-savvy. We will turn you into one and make you a rockstar!
- You will get to work in an environment where your effort helps the customer and you will get to see it
- We will provide on-the-job training that will make you a doer and not a talker on data sciences, AI and app dev
- Opportunities to shine and pave your own way forward. We are good at identifying your talents and providing a platform where you will get immense satisfaction from demonstrating the same.
- Of course - we will pay you well too!
If you are interested - please apply with a small note with your thoughts on why you find this opportunity exciting and why you are willing to consider a move.
Exp : 3+ years
Job Description:
We are looking for a highly skilled full stack developer who is comfortable with both front and back-end programming. The person would be responsible for developing and designing front end web architecture, ensuring the responsiveness of applications, and working alongside backend developers for application’s features/ functionalities. The person would be required to see out a project from conception to final product, requiring good organizational skills and attention to detail.
Skillsets required:
- Hands on experience in development using Angular/React, Node JS & Python or Django framework
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- Must have Web Services/ API knowledge
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Responsibilities:
- Work with development teams and product managers to ideate software solutions
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- Check the platform to ensure responsiveness and efficiency
- Troubleshoot, debug, and upgrade the platform
- Create security and data protection settings
- Work with the analysts to improve the platform
Responsibilities
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Ability to translate Wireframes and PSD Designs into functional web apps using HTML5, AngularJS, React , Node.js, and Mongo
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Binding of UI elements to JavaScript object models
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Creating RESTful services with Node.js
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Architect scalable web architectures
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Work in a cross-functional team to deliver a complete user experience
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Create Unit and Integration tests to ensure the quality of code
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Be responsive to change requests and feature requests
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Write code that is cross-platform and cross-device compatible
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Ability to wear many hats and learn new technologies quickly
- Our FinTech MNC client is looking for young full-stack developers who are passionate about technology, and who have the thirst to learn new technologies and update themselves to find new solutions to meet the needs of our constantly growing business.
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Candidates who can join immediately will be preferred
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- Build reusable code and libraries for future use.
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- Collaborate with other team members and stakeholders.
Required Skills :
- Thorough understanding of Node.js, JavaScript, its quirks, and workarounds.
- Excellence in at least one framework like StrongLoop loopback, express.js, sails.js
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- Deep architectural understanding of modern-day web applications
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- Must be good with git and git workflow
- Experience with external integrations is a plus
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- Expertise with Linux-based systems
- Experience with CI/CD tools like Jenkins is a plus.
- Experience with testing and automation frameworks is a plus.
- Extensive understanding of RDBMS systems
- Experience with ElasticSearch is a strong plus.
Job Perks :
- Get to work with a highly passionate team of engineers.
- Open and embracing the culture for the latest hot technologies.
- A high level of freedom, experimentation and responsibility.
• Experience – 5 + Years
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The Java Full-stack Developer (you) will work within a solution engineering team where you will play a key role in the in the design, build and maintenance of digital solutions.
Job Description
• Application design and development using Java, Spring framework and Thymeleaf.
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• Proactively engage in the remediation of software issues related to code quality, security, and/or pattern/frameworks.
• Perform code peer review as needed, provide feedback and ensure coding standards and quality is maintained and sustained.
• Mentoring, guiding, and developing a team of developers with a focus on quality and best practice coding standards.
• Support CI/CD compliance and refinement.
Skills and Experience:
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• Excellent communication skills, working in small agile development squad, including collaboration with QC engineers.
• Lifecycle management of source code quality via static and dynamics analysis tools, e.g. SonarQube.
• Cloud experience with AWS is advantageous.
• OpenID or OAuth experience, including Spring Security 2.0, highly desirable.
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• CI/CD exposure is a must, e.g. Azure DevOps or Github, and Helm charts experience is advantageous
Qualifications :
Bachelor or equivalent in computer science or engineering.
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• Highly proficient for both Java script and Type script.
• Good command over Databases both SQL/No SQL (Mongo DB, My Sql)
• Hands-on experience of GIT (version control tools).
We have openings for MERN Stack Developer.
Job Description : We are looking for developers with a minimum of 4 years of experience as MERN Stack Developer
Locations : Bangalore/Mumbai/Hyderabad/Kolkata/Delhi
Skills :
- Should have work experience in a MERN Stack Developer
- Experience on NodeJS, ExpressJS, or Restify, ReactJS.
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1. Creating secure RESTful-based web services in XML and JSON, JavaScript, JQuery
2. Continuous integration (Jenkins/Hudson) and version control (SVN, Git) o Also have Onsite opportunity.
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Responsibilities & Skills
An ideal candidate:
Should have 3+ years of professional experience in autonomously designing, developing, testing, debugging and maintaining mobile applications on the Android platform
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Education
B. Tech/B.E. in Computer Science or MCA









