Senior .NET Developer

Role Objective

Develop business relevant, high quality, scalable web applications. You will be part of a dynamic AdTech team solving big problems in the Media and Entertainment Sector.

Roles & Responsibilities

* Application Design: Understand requirements from the user, create stories and be a part of the design team. Check designs, give regular feedback and ensure that the designs are as per user expectations.  

* Architecture: Create scalable and robust system architecture. The design should be in line with the client infra. This could be on-prem or cloud (Azure, AWS or GCP). 

* Development: You will be responsible for the development of the front-end and back-end. The application stack will comprise of (depending on the project) SQL, Django, Angular/React, HTML, CSS. Knowledge of GoLang and Big Data is a plus point.  

* Deployment: Suggest and implement a deployment strategy that is scalable and cost-effective. Create a detailed resource architecture and get it approved. CI/CD deployment on IIS or Linux. Knowledge of dockers is a plus point.  

* Maintenance: Maintaining development and production environments will be a key part of your job profile. This will also include trouble shooting, fixing bugs and suggesting ways for improving the application. 

* Data Migration: In the case of database migration, you will be expected to suggest appropriate strategies and implementation plans. 

* Documentation: Create a detailed document covering important aspects like HLD, Technical Diagram, Script Design, SOP etc. 

* Client Interaction: You will be interacting with the client on a day-to-day basis and hence having good communication skills is a must. 

**Requirements**

Education-B. Tech (Comp. Sc, IT) or equivalent 

Experience- 3+ years of experience developing applications on Django, Angular/React, HTML and CSS 

Behavioural Skills-

  1. Clear and Assertive communication 

  2. Ability to comprehend the business requirement  

  3. Teamwork and collaboration 

  4. Analytics thinking 

  5. Time Management 

  6. Strong Trouble shooting and problem-solving skills 

Technical Skills-

  1. Back-end and Front-end Technologies: Django, Angular/React, HTML and CSS. 

  2. Cloud Technologies: AWS, GCP and Azure 

  3. Big Data Technologies: Hadoop and Spark 

  4. Containerized Deployment: Dockers and Kubernetes is a plus.

  5. Other: Understanding of Golang is a plus.

AI / LLM Engineering — Good to Have

• Candidates with exposure to AI/LLM engineering will have a strong advantage as we build intelligent, AI-augmented AdTech solutions. None of the below is mandatory.
• LLMs: OpenAI (GPT-4/4o), Anthropic (Claude), Meta (Llama)
• Orchestration & Agents: LangChain, LangGraph, LlamaIndex
• Tool Calling / MCP: Function Calling (OpenAI / Anthropic), FastMCP or Custom MCP Servers
• RAG (Retrieval-Augmented Generation): RAG pipeline design, LlamaIndex, LangChain retrievers and chains
• Vector Databases: Pinecone, Weaviate, FAISS
• Embeddings: OpenAI Embeddings, Hugging Face Sentence Transformers
• Observability: LangSmith, Sentry
• Backend / Infra for AI: Django REST Framework, FastAPI.

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: Full Stack Developer (.NET + React)

Location: Pune, India

(Please apply only if you are currently based in Pune)

Experience: 3+ years (Full Stack Development)

Notice Period: Immediate Joiners Only.

About the Role

We are looking for a highly skilled Full Stack Developer with expertise in .NET and React to join our growing team in Pune. This role demands a strong understanding of backend and frontend technologies to contribute to high-impact enterprise projects. If you're passionate about clean architecture, performance, and scalability, and you're available to join immediately, we want to talk to you.

Key Responsibilities:

• Develop and maintain scalable web applications using .NET (C#) for backend and React.js for frontend.
• Design and implement RESTful APIs and integrate them with the frontend.
• Collaborate with UI/UX designers, QA engineers, and other developers to deliver quality products.
• Participate in code reviews and maintain high standards for code quality.
• Optimize application performance, scalability, and responsiveness.
• Maintain version control using Git and participate in CI/CD pipeline processes.

Required Skills:

• Strong hands-on experience in .NET Core / ASP.NET Core (Web API)
• Solid experience with React.js and JavaScript/TypeScript
• Experience with Entity Framework / Dapper, LINQ, and SQL Server
• Proficiency in HTML5, CSS3, SCSS, and modern frontend development practices
• Knowledge of REST API design, token-based authentication (JWT/OAuth)
• Familiarity with Git, CI/CD tools, and agile development practices

Job Description: 

Ideal experience required – 6-8 years

• Mandatory hands-on experience in .Net Core (8)
• Mandatory hands-on experience in Angular (10+ version required)
• Azure and Microservice Architecture experience is good to have.
• No database or domain constraint

Skills:

• 7 to 10 years of working experience in managing .net projects closely with internal and external clients in structured contexts in an international environment.
• Strong knowledge of .Net Core, .NET MVC, C#, SQL Server & JavaScript
• Working experience in Angular
• Familiar with various design and architectural patterns
• Should be familiar with Git source code management for code repository.
• Should be able to write clean, readable, and easily maintainable code.
• Understanding of fundamental design principles for building a scalable application
• Experience in implementing automated testing platforms and unit test. 

Nice to have:

• AWS
• Elastic Search
• Mongo DB

Responsibilities:

• Should be able to handle modules/project independently with minor supervision.
• Should be good in troubleshooting and problem-solving skills.
• Should be able to take complete ownership of modules and projects.
• Should be able to communicate and coordinate with multiple teams.
• Must have good verbal & written communication skill.

EXP:2+YRS
LOCATION: MUMBAI (HYBRID/REMOTE)

GOOD COMMUNICATION

Design, code, test, debug & document software account to the requirement
Develop, maintain, support programs as required
Analyze, diagnose, resolve errors in applications
Follow all standards/methodologies
Participate in requirements analysis

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

● Good understanding of Docker and Kubernetes deployments

Graphene is an award-winning AI company, developing customized insights and data solutions for corporate clients. With a focus on healthcare, consumer goods and financial services, our proprietary AI platform is disrupting market research with an approach that allows us to get into the mind of customers to a degree unprecedented in traditional market research.

Graphene was founded by corporate leaders from Microsoft and P&G and works closely with the Singapore Government & universities in creating cutting edge technology. We are gaining traction with many Fortune 500 companies globally.

Graphene has a 6-year track record of delivering financially sustainable growth and is one of the few start-ups which are self-funded, yet profitable and debt free.

We already have a strong bench strength of leaders in place. Now, we are looking to groom more talents for our expansion into the US. Join us and take both our growths to the next level!

• Primary Purpose: As part of a highly productive and creative AI (NLP) analytics team, design and develop web applications and SPA’s i.e., UI/UX, and underlying backend – API’s, security framework, scalable microservices etc.
• Daily Grind: Interface with the product manager, project managers, and the engineering team to achieve sprint goals on the product roadmap.
• Career Progression: Senior Full Stack Engineer, Technical Architect

• Work in a product-development team capable of independently authoring software products.
• Guide junior programmers, set up the architecture, and follow modular development approaches.
• Design and develop code which is well documented.
• Optimize of the application for maximum speed and scalability
• Adhere to the best Information security and Devops practices.
• Research and develop new approaches to problems.
• Design and implement schemas and databases with respect to the AI application
• Cross-pollinated with other teams.

HARD AND SOFT SKILLS

Must Have

• Problem-solving abilities
• Extremely strong programming background – data structures and algorithm
• Angular/React, Strong UI/UX skills
• Very strong python background, TDD, CI/CD,
• Software design skills i.e., OOPs, design patterns
• SQL, NoSQL – design of schemas and databases
• Microservices architecture, Cloud native apps

Good to Have

• Enterprise Design Patterns
• Distributed Systems
• Exposure to ML and Data Science
• Docker, Kubernetes, AKS, Kafka, Graph databases