Backend Developer

About the Job -

We have always been in the spotlight for being adeptin “the next big technologies”. What we can offer you is a space to explore varied technologies and quench your techie soul. We are looking for Developer skilled in technologieslike Node.js and AWS who also holds experience with user-interface design.

Responsibilities: ● The full stack developer will be responsible for design and development of scalable and flexible web applications and creating API to connect to databases and applications from back-end to client-side code, using optimal and efficient technologies, frameworks, and patterns.

● Take responsibility for design, implementation and maintain existing development ecosystem, including bugs – fixing, design and develop new custom components to meet project requirements.

● Working with other developers and software engineers to develop front-end and back-end architecture that's well-structured and flexible, along with the APIs to support it.

● Install and configure server environments for React deployments maintain and update project dependencies as well as fix any conflicts.

● Responsible for regular communication with developer team involved in the development process and testing of new features in the application

● Analyzing requirements and designing new functionality for new projects with cutting edge technology with research on optimization and new features for the existing product by ensuring a required level of performance.

● Candidate must be abreast with latest technologies and trends, relevant standards should be able to work effectively in a multidisciplinary, multinational team environment focused on innovation with comfortable working on a range of problems.

Desired Competencies(Technical/Behavioral Competency) – Must Have-

● Nodejs, MongoDB, Socket.IO and Redis.

● Proficient in Node.js and MongoDB and working knowledge of JavaScript, JQuery, HTML, CSS, frameworks (Angular.js, React.js)

● Experience with Unix/Linux or Windows and/or Mac environments, distributed systems

● Excellent practical knowledge of OOP concepts and SOLID principles ● Microservices and agile development

● Hands-on experience with cloud (AWS) development/hosting.

● Experience with Web services development (SOAP, REST)

● Strong in Object Oriented Programming, MVC, Design patterns and SOLID principles. 

Skills Required: 

• Node.js
• MongoDB
• Angular
•  API optimization  
• Micro Services
• Multi threading
• Socket.io

Job Title : Node.js Developer

Experience : 5+ Years

Location : Gurgaon – Sector 43

Work Mode : 5 Days Work From Office (WFO)

Interview Mode : Direct Walk-in

Job Summary :

We are looking for an experienced Node.js Developer with 5+ years of hands-on experience in backend development and building scalable applications.

The ideal candidate should have strong problem-solving skills and experience working in a fast-paced product or service-based environment.

Key Responsibilities :

• Develop and maintain server-side applications using Node.js.
• Design and implement RESTful APIs and microservices.
• Work with databases like MongoDB / MySQL / PostgreSQL.
• Integrate third-party APIs and services.
• Ensure performance, security, and scalability of applications.
• Collaborate with frontend developers, QA, and DevOps teams.
• Write clean, reusable, and efficient code.
• Participate in code reviews and technical discussions.

Required Skills :

• Strong expertise in Node.js and JavaScript.
• Experience with Express.js or similar frameworks.
• Knowledge of Microservices architecture.
• Hands-on experience with MongoDB / SQL databases.
• Experience with Git and CI/CD processes.
• Good understanding of cloud platforms (AWS preferred).
• Strong debugging and optimization skills.

Preferred Skills :

• Experience with Docker / Kubernetes.
• Knowledge of Redis, Kafka, or message queues.
• Understanding of Agile methodologies.

Software Developer

We are looking for a skilled Developer to design, develop, test, and maintain web and mobile applications. The candidate should have experience with modern development technologies, APIs, databases, cloud platforms, Git/GitHub, and AI integration. Good problem-solving, teamwork, and communication skills are required.modern full-stack developer, a strong combination is React/Next.js + Node.js/Python + PostgreSQL/MongoDB + Git/GitHub + AWS + AI/API integration.

We are looking for a Senior Mobile Developer with deep React Native expertise to lead feature development on our investor-facing and advisor-facing mobile applications. You will own critical mobile modules end-to-end — from architecture through App Store release — and actively integrate AI capabilities into the mobile experience.

Key Responsibilities

●    Design and develop high-quality, production-grade React Native features for iOS and Android apps serving retail investors and wealth advisors.

●    Own module-level architecture decisions: navigation, state management, offline handling, performance optimisation, and security.

●    Integrate with backend APIs for real-time portfolio data, transaction processing, KYC workflows (Digilocker, V-CIP, eSign), UPI, and payment flows.

●    Implement AI-powered mobile features: intelligent recommendations, conversational interfaces, AI-assisted portfolio insights, and smart alerts.

●    Write unit tests, integration tests, and E2E tests; maintain high coverage on critical modules.

●    Conduct thorough code reviews; mentor junior and mid-level mobile engineers.

●    Optimise app performance: startup time, frame rates, memory profiling, and battery usage.

●    Manage app release pipelines: CI/CD, TestFlight/Play Console beta, App Store/Play Store deployment, and OTA updates.

●    Collaborate with Product, Design (Figma), and Backend teams in Agile sprints.

Required Qualifications

●    4–8 years of mobile development experience with 3+ years in production React Native apps.

●    Strong JavaScript/TypeScript fundamentals; deep understanding of React hooks, context, and performance patterns.

●    Experience with state management (Redux Toolkit, Zustand, or Jotai) and navigation (React Navigation v6+).

●    Hands-on with native modules/bridging when React Native abstractions are insufficient.

●    Experience with mobile CI/CD (Fastlane, GitHub Actions, Bitrise, or equivalent).

●    Knowledge of mobile app security: certificate pinning, biometric auth, secure storage, jailbreak/root detection.

●    B.Tech / B.E. in Computer Science or equivalent from a reputed institution.

Good to Have

●    Experience in fintech or BFSI mobile apps — MF transaction apps, trading apps, insurance apps, or payment apps.

●    Familiarity with SEBI/AMFI/IRDAI compliance requirements for digital financial products.

●    Exposure to LLM integration on mobile: streaming responses or AI assistant UX patterns.

●    Experience with React Native New Architecture (Fabric, JSI, TurboModules).

AI Expectations

●    Use AI coding assistants (GitHub Copilot, Cursor, Claude) as standard daily practice.

Job Summary

We are looking for a skilled Backend Developer with strong Node.js experience to join our development team. The ideal candidate should have hands-on experience in building scalable, secure, and high-performance backend applications and APIs.

You will work closely with frontend developers, product managers, and other engineering teams to design, develop, test, and maintain backend services and applications.

Key Responsibilities

• Design, develop, and maintain scalable backend applications using Node.js.
• Build and maintain RESTful APIs and backend services.
• Write clean, reusable, maintainable, and efficient code.
• Work with databases such as MongoDB, PostgreSQL, MySQL, or similar.
• Integrate third-party APIs and external services.
• Implement authentication, authorization, and security best practices.
• Optimize application performance, scalability, and reliability.
• Identify and resolve bugs, performance issues, and production problems.
• Write unit and integration tests to ensure application quality.
• Collaborate with frontend developers to integrate APIs with web/mobile applications.
• Participate in code reviews and follow development best practices.
• Work with Git and standard CI/CD and deployment processes.
• Contribute to system design and technical discussions.

Required Skills

• 2–6 years of professional experience in backend development.
• Strong hands-on experience with Node.js.
• Good knowledge of JavaScript and/or TypeScript.
• Strong understanding of REST APIs, HTTP, JSON, and API design.
• Experience with Express.js, NestJS, or similar Node.js frameworks.
• Good understanding of relational or NoSQL databases such as PostgreSQL, MySQL, or MongoDB.
• Knowledge of SQL and database design.
• Experience with Git/GitHub/GitLab/Bitbucket.
• Understanding of authentication mechanisms such as JWT/OAuth.
• Strong problem-solving and debugging skills.
• Good understanding of data structures, algorithms, and backend architecture.

Good to Have

• Experience with TypeScript.
• Knowledge of AWS / Azure / GCP.
• Experience with Docker and Kubernetes.
• Knowledge of Redis, Kafka, RabbitMQ, or other caching/message queue technologies.
• Experience with microservices architecture.
• Familiarity with CI/CD pipelines.

Job Title : React Native SDE 3

Experience : 8+ Years

Employment Type : Contract to Hire (C2H)

Location : Bangalore (Hybrid – 3 Days WFO)

Notice Period : Immediate to 15 Days

Job Summary :

We are looking for an experienced React Native Developer to join its mobile engineering team and help build scalable, high-performance applications used by millions of customers.

This is a founding React Native team opportunity where you'll play a key role in defining architecture, best practices, and driving the migration from native Android/iOS applications to React Native.

Mandatory Skills :

Strong React Native development, JavaScript/TypeScript, Mobile Application Architecture, GraphQL API Integration, Android & iOS Platform Knowledge, Mobile Performance Optimization, Accessibility Standards, CI/CD & DevOps Practices, Agile Methodologies (TDD/BDD), System Design, and experience building scalable consumer-facing mobile applications.

Required Skills :

• Strong hands-on experience in React Native development.
• Experience building and architecting mobile applications.
• Good understanding of Android and iOS platforms.
• Experience with GraphQL APIs.
• Strong knowledge of JavaScript/TypeScript.
• Experience with CI/CD, Agile, and DevOps practices.
• Knowledge of mobile performance optimization and accessibility standards.
• Strong problem-solving and communication skills.

Key Responsibilities :

• Develop and maintain React Native applications.
• Work closely with Product, Backend, QA, and Mobile teams.
• Design scalable and maintainable mobile solutions.
• Participate in coding, testing, deployment, and support activities.
• Contribute to architecture decisions and engineering best practices.

Interview Process :

1. Technical Interview (Geektrust)
2. Client Coding Round
3. Client System Design Round
4. Managerial Round (Optional)

Juntrax is a global integrated office management platform for SMEs.

**What we are looking for : **

* Someone who has led a team of developers in a product-centric company by providing technical direction for the design, development, testing, and release of a product.  

* Designed scalable Applications 

* Possesses hands-on experience building end to end systems 

* Good architectural & product design skills 

* Strong coding, data structures and algorithms background

* The ability to own end to end responsibility - right from requirement gathering to product release 

* The ability to produce bug-free and production-grade code 

* Engage with stakeholders and ensure the product is on target for timely development.

* Possess the following technical skills: Javascript,MeteorJs, NodeJS, MongoDB, ExpressJS, ReactJS, Elastic Search, AWS, ReactNative

* Must be highly motivated and be willing to take up the challenges with working in a start-up.
- Must have entrepreneurial skills.

**Main Responsibilities: **

Build & lead a team by example 

* Develop a deep understanding office management product and startup ecosystem and execute to the release of the product 

* Architect, design, and document processes and procedures for future releases.

* Should be able to help out in coding and performing code reviews with the team in MERN/Meteor Stack.**

**What we have to offer : **

* -Work with a performance-oriented team driven by product ownership 

- Learn to design system for high accuracy, efficiency, and scalability 
- Equity and Co-foundership will be offered

- Office Culture based on collaboration and desire to deliver the best product

At BigThinkCode, our technology solves complex problems. We are looking for talented back-end (node.JS) engineer to join our at Chennai. 

Please find below our job description, if interested apply / reply sharing your profile to connect and discuss. 

Company: BigThinkCode Technologies 

URL: https://www.bigthinkcode.com/ 

Experience required: 1-2 years 

Work location: Chennai 

Joining time: Immediate – 4 weeks 

Work Mode: Work from office / Hybrid 

A skilled Node.js Developer with 1-2 years of experience in building scalable applications using event-driven architecture (EDA) within distributed systems. The ideal candidate should be comfortable in high-performance backend services and have a strong understanding of asynchronous programming patterns. 

Experience or exposure to knowledge embedding and vectorization techniques is a strong plus, especially in the context of modern data-driven or AI-powered systems. 

Required Skills & Qualifications 

• 1-2 years of hands-on experience with Node.js 
• Strong understanding of event-driven architecture and non-blocking I/O 
• Experience working with distributed systems and microservices architecture 
• Proficiency in RESTful API design and implementation. 
• Experience with databases such as MongoDB, PostgreSQL, or MySQL. 
• Experience with containerization tools like Docker and orchestration tools like Kubernetes 

Key Responsibilities 

• Design, develop, and maintain server-side applications using Node.js 
• Build and optimize scalable, event-driven systems in distributed environments 
• Implement asynchronous workflows, message queues, and pub/sub architectures 

Good to Have  

• Experience with knowledge embedding and vectorization techniques. 
• Familiarity with vector databases (e.g., Pinecone). 
• Understanding of cloud platforms (AWS, Azure, or GCP). 

Why Join Us: 

• Collaborative work environment. 
• Exposure to modern tools and scalable application architectures. 
• Medical cover for employee and eligible dependents. 
• Tax beneficial salary structure. 
• Comprehensive leave policy. 
• Competency development training programs.