Javascript Developer

Senior Full Stack Developer – Job Description

Job Overview

Surety Seven Technologies Pvt Ltd is looking for an experienced and highly skilled Senior Full Stack Developer with strong expertise in Next.js, Node.js, and React.js. The ideal candidate will lead architecture decisions, build scalable applications, guide development teams, and drive technical excellence across projects.

This role requires strong ownership, leadership capability, and hands-on coding expertise in both frontend and backend technologies.

Key Responsibilities

• Lead the design and architecture of scalable full-stack applications
• Develop, maintain, and optimize web applications using Next.js, React.js, and Node.js
• Build robust RESTful APIs and backend services
• Ensure high performance, security, and responsiveness of applications
• Work closely with Product, Design, and QA teams to deliver high-quality features
• Conduct code reviews and maintain coding standards & best practices
• Mentor and guide junior and mid-level developers
• Manage CI/CD pipelines and deployment processes
• Troubleshoot complex production issues and provide solutions
• Contribute to technical documentation and system design discussions

Required Skills & Qualifications

• 5–8 years of experience in Full Stack Development
• Strong hands-on experience with Next.js, React.js, and Node.js
• Deep knowledge of JavaScript (ES6+), HTML5, CSS3
• Experience with MongoDB / MySQL / PostgreSQL
• Strong understanding of REST APIs, authentication (JWT/OAuth), and API security
• Experience with Git, CI/CD tools, and deployment on cloud platforms (AWS, Azure, or similar)
• Understanding of microservices architecture (preferred)
• Strong problem-solving and debugging skills
• Experience leading technical modules or teams

We’re building the future of AI-powered sales enablement.

PitchSense AI is a flagship product within our portfolio of AI-driven Sales and Marketing solutions.

We blend conversational intelligence, generative AI, and behavioural analytics to help people master persuasion through real-time AI simulations.

Why PitchSense AI

Working here means joining a small, fast-moving team that lives at the frontier of applied AI.

You’ll:

• Build in a high-pace, high-learning environment where ideas ship fast.
• Tinker with cutting-edge AI tools, agents, and large language models (LLMs) daily.
• Prototype novel ways to combine speech, emotion, and reasoning into human-like training experiences.
• Learn across multiple domains — engineering, design, analytics, and product.
• Work directly with the founding team on problems no one has solved before.

This is not routine work — it’s an opportunity to shape entirely new experiences in human-AI interaction while growing faster than you ever have before.

Stack: Next.js · TypeScript · NestJS · Prisma · PostgreSQL · AWS · OpenAI · AISDK · AI Agents · RAG · ElevenLabs

Culture: Ownership · Velocity · Craftsmanship

SDE II

Location: Gurgaon

Experience: 2–4 years | Type: Full-time | Reports to: CTO

Responsibilities

• Architect and scale multi-tenant systems for AI training and analytics.
• Design clean APIs and optimise data models for speed and resilience.
• Mentor junior engineers and uphold engineering best practices.
• Enhance caching, monitoring, and infrastructure reliability on AWS.
• Integrate AI-based code reviews to maintain quality and velocity.

Requirements

• 2–4 years of full-stack or backend experience.
• Expertise in TypeScript, Node.js, PostgreSQL, React/Next.js.
• Comfortable owning modules from design to production.

Bonus

• Experience with AI model integration or speech intelligence.
• Exposure to Prisma ORM, CI/CD, and monitoring tools.

Developer Tools & Workflow

Every engineer and designer at PitchSense AI uses modern, AI-augmented tools to move fast and ship better.

Tools

• Cursor IDE
• Claude Code
• AWS (Lambda, ECS, RDS, S3)
• AI-based Code Reviews
• MagicPath
• Figma AI

Workflow Highlights

• Continuous deployment via GitHub Actions / AWS Pipelines.
• PR preview environments for instant testing.
• AI-driven code review loops for rapid iteration.
• Cross-disciplinary culture - work across frontend, backend, DevOps, and design.

Culture & Perks

• Ownership from day one - every role is founding-level.
• High-performance, meritocratic culture - growth based on impact, not tenure.
• Cross-discipline learning - explore code, design, and infrastructure alike.
• MacBook for work and premium tooling.
• Annual offsite for alignment and collaboration.
• Competitive compensation and ESOPs for core hires.
• Direct mentorship from the CTO and founding team.
• Real impact - reshape how humans learn to sell, speak, and persuade through AI.

Must-Have:

- 5+ years React/Next.js experience

- 2+ years TypeScript

- AI API integration experience

- Supabase or similar BaaS platform

- PostgreSQL proficiency

Red Flags:

- No TypeScript experience

- Only frontend or only backend experience

- No AI/LLM integration background

- Unfamiliar with modern React patterns (Server Components, App Router)

Joining: Immediate

Full Stack Developer Responsibilities:

• Developing front end website architecture.
• Designing user interactions on web pages.
• Developing back-end website applications.
• Creating servers and databases for functionality.
• Ensuring cross-platform optimization for mobile phones.
• Ensuring responsiveness of applications.
• Working alongside graphic designers for web design features.
• Seeing through a project from conception to finished product.
• Designing and developing APIs.
• Meeting both technical and consumer needs.
• Staying abreast of developments in web applications and programming languages.

Requirements

• Degree in computer science.
• Experience with ( React+Node ) Or ( react + Angular) Or ( Node + Angular)
• Strong organizational and project management skills.
• Proficiency with fundamental front-end languages such as HTML, CSS, and JavaScript.
• Familiarity with JavaScript frameworks
• 
  
• Familiarity with database technology such as MySQL, Oracle, and MongoDB.
• Excellent verbal communication skills.
• Good problem-solving skills.
• Attention to detail.

JOB DESCRIPTION

It is an app that allows offline businesses to sell their products and services online. On our app, the users can make beautiful product catalogues (catalogs) right from a smartphone and share with their customers easily on different social media apps such as Whatsapp Business, Whatsapp, Facebook, Instagram etc. Praised by users all over India, thisapp has saved declining businesses by helping them transfer their shop online. The journey has just begun and we are on a mission to make India truly Digital. They are currently powering over 3.7 M ecommerce stores built by indian small businesses

and growing at a crazy rate.

We are looking for a full-stack developer to join our team who will be part of our new innovations team.

Responsibilities:

• Rapidly developing new user-facing features & product prototypes using React.js & Django.

• Will be responsible for new product prototypes, quick feature ideations & rapid response for critical issues

• Work on the their frontend store - Built with react & nextjs.
• Work on their backend - Built with Python Django & DRF
• Collaborate with existing team on our Android apps

Requirements:

• Familiarity with React & Next Js for frontend.
• Proficiency in backend development with Python Django & DRF
• Familiarity with Postgres, Elasticsearch & Mongo.
• Familiarity with Android app development with Native JAVA
• Familiarity with REST APIs architecture & working with third party APIs.

Position Purpose:

The Software Engineer II is responsible for independently developing and assisting in the design of a product that our customers and associates love. As a Software Engineer II, you will be part of a dynamic team with engineers of all experience levels who help each other build and grow technical and leadership skills while creating, deploying, and supporting production applications. In addition, Software Engineer IIs may be involved in configuration, security, resilience, performance tuning and production monitoring.

Major Tasks, Responsibilities & Key Accountabilities:

Delivery and Execution - Collaborates and pairs with other product team members (UX, engineering, and product management) to create secure, reliable, scalable software solutions; Documents, reviews and ensures that all quality and change control standards are met; Works with Product Team to ensure user stories that are developer-ready, easy to understand, and testable; Writes custom code or scripts to automate infrastructure, monitoring services, and test cases; Writes custom code or scripts to do destructive testing to ensure adequate resiliency in production; Program configuration/modification and setup activities on large projects using HD approved methodology; Configures commercial off the shelf solutions to align with evolving business needs Creates meaningful dashboards, logging, alerting, and responses to ensure that issues are captured and addressed proactively

Learning - Actively seeks ways to grow and be challenged using both formal and informal development channels; Learns through successful and failed experiment when tackling new problems

Plans and Aligns - Collaborates with other team members in agile processes; Assists in creating new and better ways for the team to be successful; Relates openly and comfortably with diverse groups of people; Builds partnerships and works collaboratively with others to meet shared objectives

Education Required:

The knowledge, skills and abilities typically acquired through the completion of a bachelor's degree program or equivalent degree in a field of study related to the job.

Years of Relevant Work Experience:

3+ years

Preferred Qualifications:

• Should have worked in a SaaS Company
• Experience in creating developer friendly integrations with other Apps/Software
• Experience in writing SQL queries against a relational database
• Experience in version control systems
• Experience in front end technology such as HTML, CSS, and Javascript/Typescript frameworks
• Experience in an object-oriented programming language (preferably Java)
• Experience in source code version control
• Experience in Relational or noSQL database technology
• Experience in cloud computing techniques
• Experience in CI/CD tools
• Experience in microservice-based architecture
• Experience with modern debugging and root cause analysis techniques
• Exposure to security frameworks for user and services authorization and authentication
• Exposure to creating and executing unit, functional, destructive and performance tests

Role- Javascript Technical Lead

Job Responsibilities:
● Architect and design solutions and lead a team of 5-6 JS developers
● Interact with client understand requirements
● Able to convert business requirements to sizable tasks for developers to implement
● Provide technical expertise and mentor team in latest technologies
● Ensure and apprise stakeholders of technical feasibility, effort and impact of
implementations
● Create and present demos POCs

Skills Required:
1. Hand on experience with Node.js + React.js
2. Good understanding of Node.js frameworks (Express, Koa, Sails, Hapi) and good hands-on experience in at least one.
3. Strong understanding of Core JS Concepts including the ability to write unit tests.
4. Working knowledge in ES6 + JavaScript.
5. Experience in API Design (REST concepts) and API modeling.
6. Knowledge of WebSocket’s (Socket IO).
7. Hands on experience Typescript.
8. Experience with build tools (Webpack).
9. Experience with NoSql Databases (Mongo, Dynamo).
10. Good communicator with good client engagement skills.
11. Hand on experience with version control systems(git). Self-motivated and driven to
deliver, with and ability to be detail-oriented while able to see and define the overall
strategy.
12. Demonstrated ability to stay on top of new concepts and tools in the ever-evolving area

Good to have:
1. Knowledge of Docker and hands-on experience
2. Worked with AWS and similar cloud service providers
3. Experience with building applications using microservices

- Experience with front-end technologies such as Angular or React with Redux. 

- Experience working in NodeJS with Express 

- Experience with PHP development using any one of it's framework will be considered as    a value add 

- Experience working with SQL or NoSQL databases, the ability to write efficient queries        and benchmark/profile them 

- Mastery of object oriented JavaScript, ES6, HTML, and CSS/SASS/StyledComponents 

- Experience in RESTful API development 

- Strong understanding of asynchronous programming 

- Experience with performance debugging and benchmarking 

- Experience with testing frameworks like Karma, mocha, or jest 

- Experience with Git version control 

- Understanding of CI/CD 

- Strong attention to design detail (UI/UX). 

We are looking for a skilled Full Stack Developer with experience with ReactJS, Nodejs/Express, working exposure to NoSQL, AWS and Python who will be responsible for developing and designing web applications for our company. In order for you to succeed in this role, you will need to be proficient in JavaScript, HTML, CSS, and have solid knowledge and experience in programming applications.

Responsibilities:

• Build the front-end of applications through appealing visual design
• Design client-side and server-side architecture
• Design, develop and manage well-functioning databases and applications
• Test software to ensure responsiveness and efficiency
• Troubleshoot, debug and upgrade software
• Create security and data protection settings
• Build features and applications with a mobile responsive design
• Write technical documentation
• Work with data scientists and analysts to improve software
• Ship code quickly and iteratively every day working with large real world datasets.

Requirements:

• Proficient in Javascript (React/Angular/Vue) Preferable good experience with Nodejs, Express)
• Bachelor degree in Web development or related field, or relevant experience.
• Solid knowledge and experience in programming applications.
• Proficient in NoSQL (MongoDB) and SQL (MySQL, Postgres)
• Dedicated team player.
• Ability to thrive in a fast-paced environment.
• Solid ability in both written and verbal communication.
• Knowledge of programming language and technical terminology.
• Able to develop ideas and processes and clearly express them.
• High degree of independent judgment.
• Able to solve complex problems.
• Experience with Python, RoR and/or PHP desired.