Lead Fullstack Developer

Job Title : Senior Full Stack Developer (React.js, Node.js, C#, .NET)

Experience : 8+ Years

Location : Gurgaon, Haryana

Work Mode : Hybrid (As per Samsung Policy)

Shift : 07:00 PM – 04:00 AM (IST)

Job Summary :

We are looking for a Senior Full Stack Developer with strong expertise in C#, .NET Core, React.js, NestJS, Node.js, SQL Server, and SSO integrations to build and maintain enterprise-grade applications in a Windows Server environment.

Mandatory Tech Stack :

Frontend : React.js, Redux Toolkit (RTK)

Backend : C#, .NET Core, Node.js, NestJS

Database : SQL Server, TypeORM

Authentication : Active Directory, OIDC, SAML

Environment : Windows Server

Key Responsibilities :

• Develop scalable web applications using React.js, C#, .NET Core, Node.js, and NestJS.
• Build and maintain REST/GraphQL APIs and backend services.
• Design and optimize SQL Server databases, T-SQL queries, and TypeORM mappings.
• Implement and manage SSO solutions (Active Directory, OIDC, SAML).
• Deploy and support applications on Windows Server environments.
• Conduct code reviews and follow best development practices.

Required Skills :

• 8+ years of software development experience.
• Strong hands-on experience in C#, .NET Core/ASP.NET Core, React.js, NestJS, and Node.js.
• Expertise in Redux Toolkit (RTK), RTK Query, TypeORM, and SQL Server.
• Experience with GraphQL, REST APIs, Windows Server, and SSO integrations.
• Good understanding of application architecture, performance optimization, and security.

Key Requirements / Skills

• 6+ years of overall experience in software development with strong expertise in building scalable web applications.
• 2+ years of experience as a Technical Lead, managing development teams and driving project delivery.
• Strong technical decision-making ability, including architecture design, technology selection, and implementation of best practices.
• Front-end expertise: Strong experience in React, JavaScript, TypeScript, and building responsive and user-friendly UI/UX.
• Back-end development: Hands-on experience with Node.js, RESTful APIs, API design, and server-side architecture.
• Gen AI Expertise: Experience in building RAG & LLM Systems, implementing AI/ML models or integrating AI-based solutions to solve business problems.
• Cloud & DevOps exposure: Experience with AWS/Azure, understanding of CI/CD pipelines, and cloud-based deployments.
• Code quality & best practices: Experience in code reviews, Git version control, and ensuring maintainable and secure code.
• Team leadership: Ability to mentor developers, guide technical discussions, and collaborate across teams.
• Strong communication skills to effectively interact with technical and non-technical stakeholders.
• Experience working in high-compliance environments such as healthcare systems is a plus.

Education Qualifications:

• B.Tech/M.Tech in CSE/IT/AI/ML from a good university

Key Responsibilities:

• Develop and maintain web applications using .NET Core, C#, and Angular.
• Design and implement RESTful APIs using ASP.NET Web API.
• Collaborate with cross-functional teams to define, design, and ship new features.
• Write clean, scalable, and efficient code for both client-side and server-side components.
• Perform unit testing and participate in code reviews to ensure code quality.
• Troubleshoot and debug existing applications.
• Stay current with new technology trends and best practices in full stack development
• Required Skills & Qualifications:
• Strong experience with .NET Core, .NET Framework, and C#.
• Proficiency in Angular (preferably Angular 8+) for front-end development.
• Solid understanding of RESTful APIs and ASP.NET Web API.
• Hands-on experience with unit testing frameworks (e.g., xUnit, NUnit, Moq).
• Familiarity with relational databases (e.g., SQL Server).
• Knowledge of version control systems like Git.
• Excellent problem-solving skills and attention to detail.
• Strong communication and collaboration abilities.
• Preferred Qualifications:
• Experience with Entity Framework Core.
• Familiarity with CI/CD pipelines and DevOps practices.
• Exposure to cloud platforms like Azure or AWS.
• Experience with Agile/Scrum methodologies.

Key Responsibilities: 34249 

• Feature Development: Design, develop, and maintain new features and enhancements across the stack.
• Front-End: Build intuitive, responsive UIs using Angular or React.
• Back-End: Develop scalable APIs and services using Python (preferred), Java/Spring, or Node.js.
• Cloud Deployment: Deploy and manage applications on Google Cloud Platform (GCP) — familiarity with services like App Engine, Cloud Functions, Kubernetes is expected.
• Performance Tuning: Identify and optimize performance bottlenecks.
• Code Quality: Participate in code reviews and maintain high standards through unit testing and automation.
• DevOps & CI/CD: Collaborate on deployment pipelines using Tekton, Terraform, and other DevOps tools.
• Cross-Functional Collaboration: Work closely with Product Managers, UI/UX Designers, and fellow Engineers in an agile environment.

Must-Have Skills:

• Strong development expertise in Python (preferred), Angular, and GCP
• Understanding of DevOps practices
• Experience with SDLC, agile methodologies, and unit testing

Good to Have (Nice-to-Haves):

• Hands-on experience with:
• Tekton, Terraform, CI/CD pipelines
• Large Language Models (LLMs) integration
• AWS/Azure (in addition to GCP)
• Contributions to open-source projects
• Familiarity with API design and microservices architecture

Educational Qualification:

• Required: Bachelor’s Degree in Computer Science, Engineering, or related discipline

Looking for a 5+ years experienced Senior Full-stack Engineer (Backend Heavy) for a research-focused, product-based, US-based Startup.

AI Assistant for Research using state-of-the-art language models (AI Agent for Academic Research)

At SciSpace, we're using language models to automate and streamline research workflows from start to finish. And the best part? We're 

already making waves in the industry, with a whopping 5 million users 

on board as of November 2025! Our users love us too, with a 40% 

MOM retention rate and 10% of them using our app more than once 

a week! We're growing by more than 50% every month, all thanks to 

our awesome users spreading the word (see it yourself on Twitter). Andwith almost weekly feature launches since our inception, we're 

constantly pushing the boundaries of what's possible. Our team of 

experts in design, frontend, fullstack engineering, and machine learning

are already in place, but we're always on the lookout for new talent to help us take things to the next level. Our user base is super engaged and always eager to provide feedback, making Scispace one of the most advanced applications of language models out there.

We are looking for insatiably curious, always learning SDE 2 Fullstack Engineers. You could get a chance to work on the most important and challenging problems at scale.

Responsibilities:

* Work in managing products as part of SciSpace product suite.

* Partner with product owners in designing software that becomes part of researchers’ lives

* Model real-world scenarios into code that can build the SciSpace platform

* Test code that you write and continuously improve practices at SciSpace

* Arrive at technology decisions after extensive debates with other engineers

* Manage large projects from conceptualisation, all the way through deployments

* Evolve an ecosystem of tools and libraries that make it possible for SciSpace to provide reliable, always-on, performant services to our users

* Partner with other engineers in developing an architecture that is resilient to changes in product requirements and usage

* Work on the user-interface side and deliver a snappy, enjoyable experience to your users

Our Ideal Candidate would:

* Strong grasp of one high-level language like Python, JavaScript, etc.

* Strong grasp of front-end HTML/CSS, non-trivial browser-side JavaScript

* General awareness of SQL and database design concepts

* Solid understanding of testing fundamentals

* Strong communication skills

* Should have prior experience in managing and executing technology products.

Bonus:

* Prior experience working with high-volume, always-available web applications

* Experience in ElasticSearch.

* Experience in distributed systems.

* Experience working with a Start-up is a plus point.

We are seeking an experienced and highly skilled Python Developer with some experience in Laravel to spearhead our offshore team, in managing a large-scale USA-based product platform.

As a Senior Python Developer, you will primarily focus on building efficient data-driven applications and robust web scraping solutions. You will leverage your experience with the Scrapy framework for large-scale data collection and processing. While Python is the primary language, some experience in Laravel will be essential to contribute to PHP-based projects, allowing for full-stack support when needed.

This role requires a proactive, resourceful developer who can think on their feet and efficiently tackle complex problems.

Key Responsibilities

1. Scrapy Web Scraping: Develop, optimize, and maintain web scrapers using the Scrapy framework to gather, process, and store data from various online sources.
2. Back-End Development: Design, develop, and implement scalable backend solutions in Python, focusing on reliability, efficiency, and high performance.
3. Laravel Integration (As Needed): Contribute to existing Laravel projects, working with the PHP framework to support API endpoints, and ensure seamless integration with Python-based services.
4. API Development & Integration: Build and integrate RESTful APIs to facilitate seamless communication between applications and external data sources.
5. Data Processing & Storage: Create efficient data processing pipelines and manage SQL/NoSQL databases to store and organize large datasets collected through Scrapy.
6. System Architecture: Work collaboratively with other developers to design scalable, resilient architectures that support data-heavy applications.
7. Continuous Integration & Automation: Use Python to automate tasks, optimize CI/CD workflows, and enhance deployment processes for faster and more reliable releases.
8. Mentorship & Code Review: Mentor junior developers, conduct code reviews, and contribute to maintaining high coding standards and best practices.

Qualifications

Experience

• 5+ years of professional experience in Python development, with a strong focus on web scraping using Scrapy.
• 1-2 years of experience with Laravel (intermediate understanding is acceptable for full-stack support).
• Demonstrated experience with data-driven projects, showcasing resourceful problem-solving abilities.

Technical Skills:

1. Python: Advanced proficiency in Python, particularly with libraries for data manipulation and web scraping.
2. Scrapy Framework: Extensive experience in Scrapy, including creating custom spiders, handling complex data extraction requirements, and working with proxies and data pipelines.
3. Laravel (PHP): Familiarity with Laravel for backend development, including API creation, routing, and MVC structure.
4. Database Management: Proficiency in SQL and NoSQL databases for efficient data storage and retrieval.
5. API Development: Hands-on experience with RESTful APIs and integrating external services.
6. Automation & DevOps: Familiarity with CI/CD tools, Docker, and version control systems (Git).
7. Cloud Platforms: Experience with cloud platforms like AWS, Google Cloud, or Azure is a plus.

Why Join Us?

• High-Impact Role: Work on projects where your expertise in Scrapy and Python will directly influence our data capabilities and client success.
• Growth Opportunities: Access to learning resources, mentorship, and a supportive environment for continuous professional development.
• Innovative Culture: Join a team that values out-of-the-box thinking, resourcefulness, and efficient problem-solving.