Technical Lead

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.

About the Role:

We are looking for a highly skilled Senior Full Stack Developer who can independently design, develop, integrate, deploy, and maintain modern websites, web applications, e-commerce solutions, customer portals, and internal business platforms.

This role requires end-to-end ownership of projects, from architecture and development through deployment and ongoing support. The ideal candidate is comfortable working across frontend, backend, CMS platforms, APIs, databases, cloud infrastructure, and third-party integrations.

Key Responsibilities:

● Build websites, web applications, customer portals, and digital platforms from scratch.

● Convert designs from Figma into production-ready solutions.

● Architect scalable, secure, and maintainable systems.

● Develop frontend applications, backend services, APIs, and integrations.

● Build headless CMS solutions and multilingual websites.

● Integrate external systems such as CRM, ERP, PIM, payment, marketing, and identity platforms.

● Deploy, maintain, and optimise applications for performance, SEO, accessibility, and security.

● Troubleshoot, enhance, and support existing digital platforms.

Required Technical Skills

Frontend & Backend:

● React.js, Next.js

● JavaScript, TypeScript

● HTML, CSS, SCSS, Tailwind CSS

● REST APIs, GraphQL, Webhooks

● Authentication & Authorization

CMS & E-commerce:

Experience with modern CMS and headless architectures. Knowledge of 2–3 platforms such as:

● WordPress

● Sanity

● Strapi

● Contentful

● Storyblok

● Payload CMS

● Experience with WooCommerce, Shopify and Headless Commerce Solutions

Infrastructure & Data:

● MySQL, PostgreSQL, MongoDB

● AWS, Google Cloud, Vercel

● CI/CD pipelines

● GitHub and modern development workflows

Good to have:

● Experience with Node.js, Express.js

● Experience with AI-assisted development tools such as Cursor, Claude Code, Codex, Lovable, and Figma AI.

● Familiarity with AI APIs such as OpenAI, Claude, or Gemini.

● Experience working in agency environments and managing multiple projects.

● Experience integrating websites and applications with:

i) CRM systems

ii) ERP systems

iii) PIM systems

iv) Payment gateways

v) Marketing automation platforms

vi) Identity providers (SSO/OAuth)

vii) Shipping, booking, inventory, and product feed systems

Examples include HubSpot, Salesforce, SAP, Business Central, Akeneo, Inriver, Stripe, Klarna, Azure AD, Microsoft Graph, and Google APIs.

Soft Skills:

● Strong ownership and problem-solving mindset

● Excellent communication and stakeholder management skills

● Ability to independently estimate, plan, and deliver projects

● Comfortable working in a fast-paced agency environment

● Ability to manage projects from concept to launch as an individual contributor

Ideal Candidate Profile:

● 3+ years of Full Stack Development experience.

● Strong experience with React.js, Next.js, APIs, and modern CMS platforms.

● Proven experience delivering complete projects independently.

● Experience integrating external business systems and building custom applications.

● Strong problem-solving, communication, and project ownership skills.

● Portfolio demonstrating websites, applications, integrations, and digital products.

Benefits:

• Health insurance
• Provident Fund

Work Location: In person

About Jeeva.ai

At Jeeva.ai, we're on a mission to revolutionize the future of work by building AI employees that automate all manual tasks—starting with AI Sales Reps. Our vision is simple: "Anything that doesn’t require deep human connection can be automated & done better, faster & cheaper with AI." We’ve created a fully automated SDR using AI that generates 3x more pipeline than traditional sales teams at a fraction of the cost.

As a dynamic startup we are backed by Alt Capital (founded by Jack Altman & Sam Altman), Marc Benioff (CEO Salesforce), Gokul (Board Coinbase), Bonfire (investors in ChowNow), Techtsars (investors in Uber), Sapphire (investors in LinkedIn), Microsoft with $1M ARR in just 3 months after launch, we’re not just growing - we’re thriving and making a significant impact in the world of artificial intelligence.

As we continue to scale, we're looking for mid-senior Full Stack Engineers who are passionate, ambitious, and eager to make an impact in the AI-driven future of work.

About You

• Experience: 3+ years of experience as a Full Stack Engineer with a strong background in React, Python, MongoDB, and AWS.
• Automated CI/CD: Experienced in implementing and managing automated CI/CD pipelines using GitHub Actions and AWS Cloudformation.
• System Architecture: Skilled in architecting scalable solutions for systems at scale, leveraging caching strategies, messaging queues and async/await paradigms for highly performant systems
• Cloud-Native Expertise: Proficient in deploying cloud-native apps using AWS (Lambda, API Gateway, S3, ECS), with a focus on serverless architectures to reduce overhead and boost agility..
• Development Tooling: Proficient in a wide range of development tools such as FastAPI, React State Management, REST APIs, Websockets and robust version control using Git.
• AI and GPTs: Competent in applying AI technologies, particularly in using GPT models for natural language processing, automation and creating intelligent systems.
• Impact-Driven: You've built and shipped products that users love and have seen the impact of your work at scale.
• Ownership: You take pride in owning projects from start to finish and are comfortable wearing multiple hats to get the job done.
• Curious Learner: You stay ahead of the curve, eager to explore and implement the latest technologies, particularly in AI.
• Collaborative Spirit: You thrive in a team environment and can work effectively with both technical and non-technical stakeholders.
• Ambitious: You have a hunger for success and are eager to contribute to a fast-growing company with big goals.

What You’ll Be Doing

• Build and Innovate: Develop and scale AI-driven products like Gigi (AI Outbound SDR), Jim (AI Inbound SDR), Automate across voice & video with AI.
• Collaborate Across Teams: Work closely with our Product, GTM, and Engineering teams to deliver world-class AI solutions that drive massive value for our customers.
• Integrate and Optimize: Create seamless integrations with popular platforms like Salesforce, LinkedIn, and HubSpot, enhancing our AI’s capabilities.
• Problem Solving: Tackle challenging problems head-on, from data pipelines to user experience, ensuring that every solution is both functional and delightful.
• Drive AI Adoption: Be a key player in transforming how businesses operate by automating workflows, lead generation, and more with AI.

About Us

UnScript.AI is a Deep-Tech company with a focus on creating highly engaging interactive videos solving conversion and engagement problems leveraging the most recent breakthroughs in Artificial Intelligence.

Responsibilities:

Full Stack Engineers at UnScript.AI are involved in all parts of the product life cycle: idea generation, design, planning, execution, and shipping. On day-to-day work, we create reliable, scalable and highly performant systems. A commitment to teamwork, hustle and good communication skills are our key requirements. As Full Stack Engineer, you will lead end-to-end development of modules with complete ownership of design, planning, coding & delivery.

• The Software Development Engineer's core responsibilities include working on highly maintainable and unit-tested software components/systems that address real-world problems.
• Ensure quality at every level be it problem-solving, design, code or bug fixes.
• Should be able to collaborate with product managers, architects and other stakeholders to ensure smooth execution of sprints.
• Own and unblock users on production issues, able to troubleshoot and fix production issues on priority.

SKILL SETS REQUIRED: Kubernetes, AWS/any other cloud, NodeJS, JavaScript, React/Next, Design thinking, API Framework

REQUIRED QUALIFICATIONS

• B.Tech or higher in Computer Science from a premier institute. (We are willing to waive this requirement if you are an exceptional programmer).

• You are a strong coder, Love to explore multiple languages and tech stacks; We are language-agnostic, and we love people who like to explore multiple stacks. We’re looking for people who can write clean, effective code.

• Building scalable & performant web systems with clear focus on reusable modules.

• You are comfortable in a high paced environment and can respond to urgent (and at times ambiguous) requests

• Ability to translate fuzzy business problems into technical problems & come up with design, estimates, planning, execution & deliver the solution independently.

Follow Agile development model to incrementally build out the applications with regular reviews with Product

• Knowledge in AWS would be great to have.

• Ability to work with databases, data pipelines.

About Us:

UnScript is a deep tech startup that builds powerful SAAS tool to generate videos using AI. UnScript was founded by distinguished alums from IIT, with exemplary backgrounds in business and technology. UnScript has raised two rounds of funding from global VCs with Peter Thiel(Co-founder, Paypal) and Ried Hoffman ( Co-founder, Linkedin) as investors. 

The Team:

Unscript was started by Ritwika Chowdhury. Our team brings experience from other foremost institutions like IIT Kharagpur, Microsoft Research, IIT Bombay, IIIT, BCG etc. We are thrilled to be backed by some of the world's largest VC firms and angel investors. 

Must have extensive and in-depth knowledge and experience in developing APIs in NodeJS, HTML5/CSS/Javascript, MongoDB, Git, production application deployments. And optionally ReactJS Components/Websites/UI/UX, Redux etc.

Cloud infra management

AWS SDK, Google Maps SDK

Elastic Search engine

Mocha or any testing framework

Continuous delivery

Redis, ExpressJS, Apollo Client, PubSub

Responsibilities

Development of web applications and modules

Drafting ReactJS front ends components based on provided mock-ups.

Architecting database and REST/GraphQL APIs for front end.

Integrating multiple 3rd party SDKs including but not limited to AWS, Messagebird, Twilio, Lalamove, Google Maps etc.

Write and execute unit tests

Bug fixes, support and enhancements

UAT and Production deployments

Performance optimizations and app security implementations

Cloud infra management

Backup plans and risk mitigation techniques implementation

•  Worked on Angular 4 and above.

•  Develop, test, and deploy fast and scalable web apps
•  Designing and maintenance of fully functional large relational and
• non-relational databases
•  Server management and cloud-based infrastructure
•  Identification of application issues when deploying the apps
• App deployment on the cloud along with solving debugging issues
•  Coding architecture for frontend and backend
•  Collaboration with IT team, researchers, designers for designing robust apps and
• encouraging business goals
•  Creating features in apps that have a mobile responsive design
•  Testing applications and fixing bugs, along with security and data protection features
•  Establish code architecture decisions for supporting scalability and good features
•  Makes use of popular front-end frameworks like Bootstrap, LESS, etc and
• design UI components
•  Participation with developers for the creation of scalable RESTful APIs.
•  Conducting code reviews of peer developers.MUST HAVE:
•  Worked on Angular 4 and above.

Thoughtworks is a global software consultancy with an aim to create a positive impact on the world through technology. Our community of technologists thinks disruptively to deliver pragmatic solutions for our clients' most complex challenges. We are curious minds who come together as collaborative and inclusive teams to push boundaries, free to be ourselves and make our mark in tech.

Our developers have been contributing code to major organizations and open source projects for over 25 years. They’ve also been writing books, speaking at conferences and helping push software development forward, changing companies and even industries along the way. We passionately believe that software quality is driven by open communication, review and collaboration. That’s why we’re such vehement supporters of open source and have made significant contributions to open source tools for testing, continuous delivery (GoCD), continuous integration (CruiseControl), machine learning and healthcare. 

As consultants, we https://www.thoughtworks.com/careers/hub/consultant-life">work with our clients to ensure we’re evolving their technology and empowering adaptive mindsets to meet their business goals. You could influence the digital strategy of a retail giant, build a bold new mobile application for a bank or redesign platforms using event sourcing and intelligent data pipelines. You will use the latest Lean and Agile thinking, create pragmatic solutions to solve mission-critical problems and challenge yourself every day.

For a team to thrive, it needs active collaboration and room for healthy, respectful debate. Senior Developers are the technologists who cultivate this environment while driving teams toward delivering on an ambitious tech vision and acting as mentors for more junior-level consultants. You will leverage deep technical knowledge to solve more complex business problems and actively assess your team’s health, code quality and nonfunctional pipelines. 

You’ll spend time on the following:

• You will use continuous delivery practices to deliver high-quality software as well as value to end customers as early as possible.
• You will work in collaborative, value-driven teams to build innovative customer experiences for our clients
• Create large-scale distributed systems out of microservices
• You will apply the latest technology thinking from ourhttps://www.thoughtworks.com/radar"> tech radar to solve client problems
• Efficiently utilize DevOps tools and practices to build and deploy software
• You will lead or take part in the entire cycle of software consulting and delivery from ideation to deployment and everything in between
• You will act as a mentor for less-experienced peers through both your technical knowledge and leadership skills 

Here’s what we’re looking for:

• 4-8 years of experience with two or more development languages such as Java/C#/Python/Go/Node.js etc
• You can skillfully write high-quality, well-tested code and you are comfortable with Object-Oriented programming
• Presence in the external tech community: you proactively share your expertise with others via speaking engagements, contributions to open source, blogs and more
• Comfortability with Agile methods, such as Extreme Programming (XP), Scrum and/or Kanban
• You enjoy influencing others and always advocate for technical excellence while being open to change when needed 
• You’re willing and able to commit to travel to client sites in order to solve their business problems
• You’re resilient in ambiguous situations and can approach challenges from multiple perspectives
• Bonus points if you have working knowledge of cloud technology such as AWS, Azure, Kubernetes and Docker