Full Stack Software Developer

We are hiring a Full Stack Developer with knowledge of the MERN stack (React.js, Next.js, Node.js, Express, MongoDB).

Responsibilities:

• Develop and maintain web applications
• Work on both frontend and backend tasks
• Deliver complete and functional real-world applications
• Fix bugs and improve application performance
• 
  

Requirements:

• Good knowledge of React.js, Next.js, Node.js, Express, and MongoDB
• Ability to build and deploy web applications
• Strong problem-solving skills
• Responsible and self-motivated

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

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.
• Optimize applications for performance, speed, and scalability.
• Write clean, well-documented, and maintainable code following best practices.
• 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.
• Experience with cloud platforms such as AWS will be considered an added advantage.

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.
• Strong foundation in JavaScript, along with HTML5 and CSS3.
• ·Experience integrating and working with REST APIs and third-party APIs.
• ·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

• Minimum 2 years of experience working as Software/Solution Architect
• In-depth knowledge of enterprise integration patterns
• Expertise to help developing advanced cloud-based solutions like AWS, Google or Microsoft. Ability
• to plan, design and scale AWS cloud based implementations using the best practises recommended
• by Amazon
• Experience in software development and coding in various platforms (like Java, Python, Node.js,
• Angular, Kotlin, React, Swift etc)
• Experience with relational and NoSQL databases
• Experience with enterprise service bus like Mule, Apache Camel is a plus
• Understanding of software quality assurance principles
• Outstanding communication and presentation abilities

• Leads development of solution architecture , preparation of technical plans, in liaison with business
• assurance and project staff
• Develop high-level product specifications with attention to system integration and feasibility
• Working proactively to maintain a stable, viable architecture and ensure consistency of design across
• projects within the programme
• Collaborate with other professionals to determine functional and non-functional requirements for
• new software or applications
• Ensures that technical strategies, policies, standards and practises are applied correctly working
• proactively to maintain
• Use tools and methodologies to create representations for functions and user interface of desired
• product
• Provides guidance on technical aspects of the solution development and integration
• Ensure software meets all requirements of quality, security, modifiability, extensibility etc.
• Ensures that appropriate tool and method are available, understood and employed in the
• architecture development

• Expertise in Java server-side development: Core Java, Golang Servlets, Spring Core, React JS, Spring Boot with GRPC, and Hibernate.
• Exposure to microservice design patterns.
• Good knowledge in Data Structures, Algorithms, Object-Oriented Design, Analysis, Design patterns, and other computer science concepts.
• Knowledge of GraphQL, Kafka, PostgreSQL will be added advantage.

We are looking for strong tech leaders to drive the platform and product to the next level. We are looking for seasoned technical leaders from .NET background with experience in building cloud-based web applications and products. The role involves understanding business requirements, customer problems, architecting the appropriate solutions that are secure, scalable, high performing and testable.

Requirements: 

• Passion for building and delivering great software with a strong sense of ownership, while working closely with juniorteam members.
• 6+ years of experience in building web applications using ASP.NET MVC and .NET platform in general.
• Experience of architecting and designing web applications and services
• Experience in building applications on .NET Core, is a great plus
• Should have strong UI development skills using HTML, CSS/JavaScript frameworks.
• Strong experience with Build and Release, Agile processes and Estimation/Planning
• Exposure to New Relic or similar tools to optimize web application performance
• Strong expertise in SQL programming, with experience of writing & optimizing queries that access/process millions of records
• Good to have experience in building workflow engine from scratch.
• Understanding and experience of working with Product Management, Design and DevOps teams.