Fullstack Developer

Full-Stack Developer (Backend-Focused)

We are seeking a seasoned Full-Stack Developer with strong expertise in backend engineering using Python and Golang. In this role, you will take ownership of backend systems while contributing to the development of modern, responsive frontend interfaces. The focus will be on building secure, scalable, and high-performance applications, with emphasis on API development, database engineering, and cloud deployment.

Key Responsibilities

• Develop and enhance backend services using Python frameworks such as Django or FastAPI
• Design, build, and maintain RESTful APIs and microservices
• Work extensively with relational and NoSQL databases, including PostgreSQL, MySQL, and MongoDB
• Collaborate with frontend developers to integrate user-facing elements with backend logic
• Implement efficient, secure, and scalable application architectures
• Troubleshoot and resolve software defects across different environments
• Optimize performance and reliability of backend services
• Write clean, maintainable, and well-tested code following best practices
• Contribute to DevOps activities, including CI/CD pipelines and containerization

Required Skills & Qualifications

• 6+ years of experience in full-stack or backend-focused development
• Strong proficiency in Python with hands-on experience in frameworks like Django or FastAPI
• Solid understanding of SQL and NoSQL databases, including data modeling and query optimization
• Familiarity with modern frontend technologies such as React, Vue, or Angular
• Experience with Docker, Kubernetes, and at least one cloud platform (AWS, Azure, or GCP) is preferred
• Strong understanding of system design, distributed systems, and microservices architecture
• Experience with Git and CI/CD automation pipelines
• Excellent problem-solving skills and ability to work collaboratively

We are a forward-thinking company Hookux seeking a skilled Full Stack Developer to join our team. You will work on a variety of exciting projects that require problem-solving, innovation, and scalability. One such project is, a stock market and crypto investing simulation platform that teaches children financial skills through gamified competition.

Key Responsibilities:

• Develop and maintain robust, scalable, and efficient front-end and back-end systems.
• Collaborate with cross-functional teams to define, design, and ship new features.
• Design and implement API endpoints and server-side logic.
• Work closely with the design and product teams to ensure the technical feasibility of UI/UX designs.
• Optimize the application for maximum speed and scalability.
• Write well-documented, clean code.
• Troubleshoot and debug applications.
• Stay up-to-date with emerging technologies and industry trends.

Technical Skills & Experience:

• Proficient in JavaScript/TypeScript, with expertise in React.js for front-end development.
• Strong experience with Node.js, Express.js, or other backend technologies.
• Familiarity with database technologies such as MongoDB, PostgreSQL, or MySQL.
• Experience with RESTful APIs and third-party integrations.
• Knowledge of cloud platforms like AWS, Azure, or Google Cloud.
• Proficient in version control (e.g., Git) and collaboration tools.
• Experience with agile methodologies and continuous integration/deployment (CI/CD).

Bonus Skills:

• Experience with React Native for mobile app development.
• Familiarity with blockchain technology or cryptocurrency-related platforms.
• Experience with containerization (e.g., Docker, Kubernetes).
• Knowledge of testing frameworks and tools.

Qualifications:

• Bachelor's degree in Computer Science, Engineering, or related field (or equivalent practical experience).
• years of experience in full stack development.
• Ability to manage multiple priorities and work independently as well as in a team environment.

Benefits:

• Competitive salary and performance bonuses.
• Opportunities for career growth and learning.
• Flexible working hours and remote working options.

mail me your CV and portfolio at hr @ hookux.com

Mission

Own architecture across web + backend, ship reliably, and establish patterns the team can scale on.

Responsibilities

• Lead system architecture for Next.js (web) and FastAPI (backend); own code quality, reviews, and release cadence.
• Build and maintain the web app (marketing, auth, dashboard) and a shared TS SDK (@revilo/contracts, @revilo/sdk).
• Integrate Stripe, Maps, analytics; enforce accessibility and performance baselines.
• Define CI/CD (GitHub Actions), containerization (Docker), env/promotions (staging → prod).
• Partner with Mobile and AI engineers on API/tool schemas and developer experience.

Requirements

• 6–10+ years; expert TypeScript, strong Python.
• Next.js (App Router), TanStack Query, shadcn/ui; FastAPI, Postgres, pydantic/SQLModel.
• Auth (OTP/JWT/OAuth), payments, caching, pagination, API versioning.
• Practical CI/CD and observability (logs/metrics/traces).

Nice-to-haves

• OpenAPI typegen (Zod), feature flags, background jobs/queues, Vercel/EAS.

Key Outcomes (ongoing)

• Stable architecture with typed contracts; <2% crash/error on web, p95 API latency in budget, reliable weekly releases.

• Minimum 4+ years of experience building Java & React JS/Node JS applications, in a service-based architecture.
• Need hands on current experience on Java 8+, React JS/Node JS and above, Java script, Angular JS, JUnit, XML, Spring, Spring Boot, rest APIs, and SQL. 
• Hands on experience with version control, build integration and messaging technologies.
• Need to demonstrate in-depth understanding of OOO principles, design patterns and threading techniques.
• Strong web Services background required.
• Must be able to interact with all levels of personnel within the organization and be effective with both business and technical teams.
•  Ability to deal with ambiguity and define approaches to bring unfocused issues to resolution
• Excellent written and oral communication skills for managing interactions both within the team and without.
• Very strong attention to detail and organizational skills. Strong work ethic

What you’ll be doing

• Lead the development of our across all phases of software and web development including ideation, prototyping, design, production, and maintenance.
• Work closely with founders and internal/external stakeholders to build products, tools, and services from scratch and deliver high-quality software solutions.
• Be actively involved in requirements gathering, customer interviews and the creation of robust product solutions.
• Brainstorm and lay the foundations of the technology and architectural roadmap as well as the development processes.
• Share your technical expertise to help the team make thoughtful and scalable design decisions and identify performance bottlenecks to troubleshoot quickly.
• Manage product development priorities, deadlines, and deliverables.
• Hire and manage a small team of engineers (internal/outsourced).
• Ensure high-performant and responsive web applications and websites.

Skills & Qualities we’re looking for

• Bachelor’s/Master’s degree in Computer Science (or equivalent experience).
• 4-7 years of experience as a full-stack developer (rare exceptions for highly skilled developers) at a fast-paced, preferably early / growth stage start-up.
• Proficient with frontend technologies - HTML, CSS, JavaScript & ReactJS/VueJS.
• Proficient with backend technologies - Java/NodeJs/Golang/Python/Ruby.
• Hands-on experience working with any cloud AWS/GCP/Azure/DigitalOcean.
• Knowledge of codebases and version control systems (Git).
• Well-versed with SQL database design & RDBMS concepts.
• Strong arithmetic reasoning, logical and analytical thinking skills.
• Strong knowledge of code quality maintenance and performance analysis.

ROLE: Full Stack Developer

About the company:

CogniTensor is an analytical software company that brings data to the heart of decision-making. CogniTensor leverages its product, DeepOptics - an integrated platform  to implement 3A (Automation, Analytics and AI) at scale. 

Cognitensor has customers ranging in Finance, Energy, Commodity, Retail & Manufacturing. More details can be found on our website: https://www.cognitensor.com/

Our strategic investors include Shell and CIIE.CO (IIM-A/Accenture).

Qualification & Experience:

• BE/B.Tech Degree in Computer Programming, Computer Science, or a related field.
• +2 years experience as a Software Developer.
• Hands on experience in developing finance applications is must

Roles & Responsibilities:

We are looking for a Full Stack Developer to produce scalable software solutions. You’ll be part of a cross-functional team that’s responsible for the full software development life cycle, from conception to deployment. 

As a Full Stack Developer, you should be comfortable around both front-end and back-end coding languages, development frameworks and third-party libraries. You should also be a team player with a knack for visual design and utility. Along with familiar with Agile methodologies and testing skills

• Work with development teams and product managers to ideate software solutions
• Design client-side and server-side architecture
• Develop and manage well-functioning databases and applications
• Write effective APIs
• Write technical documentation
• Excellent communication and teamwork skills

Technical Skills:

Must Have

• React JS
• Git / Bitbucket, 
• Express JS, Python, HTML, CSS, Node JS
• CI/CD like CircleCI
• Postgres or any DB knowledge
• Familiarity with AWS  or Azure or both 

Good to Have

• Docker
• Redux
• Android development
• React Native
• Electron
• GraphQL
• Jira

What’s in for you:

● An opportunity to lead a business segment

● Extensive liaising with customers and partners

● A rewarding career progression

Preferred Location:

Delhi NCR