Node.js Developer

Job Description – Backend Python Developer(Mid-Level) 

📍 Location: Mumbai/Gurgaon |  Full-time

Backend Python Developer

Role Overview

We are seeking a skilled Backend Python Developer to design, develop, and maintain backend services, APIs, and integrations that power our AI-driven automation solutions.

You will collaborate closely with senior engineers, AI/ML teams, and frontend developers to build scalable, high-performance systems. This role is ideal for professionals with solid backend experience who are eager to deepen their expertise in Python, cloud technologies, and AI-based applications.

Key Responsibilities

• Develop and maintain backend APIs, services, and system integrations using Python
• Collaborate on system design and architecture discussions with senior engineers
• Write clean, scalable, and well-documented code following best practices
• Ensure performance, scalability, and reliability in cloud environments
• Design and manage SQL/NoSQL databases for structured and unstructured data
• Support integration of AI/ML models into production workflows
• Participate in code reviews, unit testing, and debugging
• Contribute to CI/CD pipelines, containerization, and DevOps processes

Required Skills & Qualifications

• 3–5 years of experience in backend development
• Strong proficiency in Python
• Hands-on experience with frameworks such as FastAPI, Flask, or Django
• Experience building and consuming REST APIs (GraphQL is a plus)
• Strong database knowledge: PostgreSQL, MySQL, MongoDB, or Redis
• Familiarity with cloud platforms (AWS, GCP, or Azure)
• Hands-on experience with Docker and Kubernetes
• Strong understanding of OOP, data structures, algorithms, and design patterns

Preferred Skills

• Exposure to AI/ML workflows or a strong interest in learning
• Experience with message brokers such as Kafka, RabbitMQ, or Celery
• Knowledge of asynchronous programming (asyncio, Celery, etc.)
• Experience with unit testing frameworks (PyTest, unittest)
• Understanding of API security and authentication (OAuth2, JWT)

What We Offer

• Competitive compensation with growth opportunities
• Opportunity to work on AI-first automation products used globally
• Mentorship from experienced senior engineers
• Flexible work environment
• Continuous learning support in Python, Cloud, and AI/Automation technologies

We’re seeking a Back-End Developer with hands-on experience in Node.js or any other modern backend framework. You’ll be responsible for building robust, scalable APIs and server-side logic powering Zilo’s high-velocity quick commerce platform.

Key Responsibilities

Develop, maintain, and optimize back-end applications and APIs.

Work on microservices, API integrations, and data modeling.

Ensure system scalability, reliability, and performance under high traffic.

Collaborate with front-end and mobile developers for seamless API integration.

Implement best practices in code quality, security, and database design.

Troubleshoot production issues and support deployment cycles.

Technical Skills Required

Strong proficiency in Node.js, Express.js, or similar backend frameworks.

Experience in MongoDB, MySQL, or PostgreSQL.

Understanding of RESTful APIs, authentication (JWT/OAuth), and middleware.

Familiarity with AWS, Docker, or other deployment environments.

Hands-on experience with Git and CI/CD pipelines.

Knowledge of other programming languages like Python, Java, or Go is an added advantage.

#HiringAlert

We are looking ".Net Architect" for Reputed Client @ Permanent Role

Experience: 10+ Years

Skills :

•Good understanding of the cross cutting architectural elements like Security (Authentication, Authorization, Distributed logging, tracing and Audit, Infra as Code, Database Design (SQL Server and MongoDB)

•Deep understanding of architectural concepts, issues and trends

•Expert knowledge in Object Oriented Principles and Design Patterns

•Expertise in n-tiered web architectures, SOA and related technologies (XML, SignalR , WCF, SOAP, REST, JSON, etc.)

•Strong technical expertise in the Relational Databases, No SQL DB (Ex: SQL Server, MongoDB), Web development and object-oriented methodologies.

•Must be a Team player able to work effectively at all levels of an organization with the ability to influence others to move toward consensus.

•Should review design and implementation of junior designers and developers on the quality of technical deliverables and adherence to quality process

•Excellent verbal and written communication skills.

Location : Chennai & WFO

• Contribute to the architecture, design and implementation of major components for OrchestrationandDay2operations management solution
• Document software design and implementation
• Innovate – stay on top of new technologies
•  Recommend and maintain technical design methodologies, processes, and standards
• Identify and resolve key technical and customer issues

• Strong programming skill in golang
• Strong understanding and experience working with grpc
•  Experience working with mongodb, redis and etcd
•  Experience delivering and consuming cloud native solutions
•  Experience writing Helm Charts and Kubernetes operator is a plus
•  Excellent Understanding of Operating System concepts and exposure working with networking constructssuchas sockets, database management, multithreaded applications
•  Solid understanding of computer architecture such as multi-core CPU scheduling, virtual memory, andcaching
•  Knowledge and experience with network and technologies is a plus (e.g. SSL/TLS, TCP/IP, HTTP, X509, PKI etc)
• Experience with container technologies like Docker, Docker-compose and Kubernetes
• Experience with cloud technologies, AWS, Azure, VMware vSphere is a plus
• Experience working with development tools and process including Git, CI/CD.
• Bachelor's degree in Computer Science and 5+ years of related experience: or equivalent experience
• Outstanding interpersonal, verbal, and written communication skills - seriously we want people whocancodebut also be on a team

• Deep understanding of technology and passionate about what you do
• Background in designing high performant scalable software systems with strong focus to optimize hardware cost.
• Solid collaborative and interpersonal skills, specifically a proven ability to effectively guide and influence within a dynamic environment
• Strong commitment to get the most performance out of a system being worked on.
• Prior development of a large software project using service-oriented architecture operating with real time constraints.

• You will get a chance to work on cloud-native and hyper-scale products
• You will be working with industry leaders in cloud.
• You can expect a steep learning curve.
• You will get the experience of solving real time problems, eventually you become a problemsolver.

• Competitive Salary
• Health Insurance
• Open Learning - 100% Reimbursement for online technical courses
• Fast Growth - opportunities to grow quickly and surely
• Creative Freedom + Flat hierarchy
• Sponsorship to all those employees who represent company in events and meetups.
• Flexible working hours
• 5 days week
• Hybrid Working model (Office and WFH)

• Candidates for this position can expect the hiring process as follows (subject to successful clearing of everyround)
• Initial Resume screening call with our Recruiting team
• Next, candidates will be invited to solve coding exercises.
• Next, candidates will be invited for first technical interview
• Next, candidates will be invited for final technical interview
• Finally, candidates will be invited for Culture Plus interview with HR
• Candidates may be asked to interview with the Leadership team
• Successful candidates will subsequently be made an offer via email
• As always, the interviews and screening call will be conducted via a mix of telephonic and video call.

Rejolut is among the fastest-growing and award winning Tech companies working on leading technologies namely Blockchain, Machine Learning & Artificial Intelligence, Complex mobile & Web Apps, IoT, etc.Rejolut is a venture-backed company with clients in over several countries namely Malaysia Airlines,gba global,my-earth,biomes, Dlg-hub,etc.

We are looking for Tech geeks having hands-on experience and in love with building scalable, distributed and large web/mobile products and tech solutions. He/She must be an excellent problem solver with passion to self-learn and implement web technologies (frontend + backend). He/She would be responsible for the architecture design, code review, and technology build and deployment activities of the product. 

Responsibilities:-

- Own the product development from scratch.

- Architect scalable, distributed and large-scale web and mobile solutions from scratch.

- Code for fresh development and to troubleshoot and resolve issues.

- Writing reusable, testable, and efficient code.

- Creating database schemas that represent and support business processes.

- Design and implementation of low-latency, high-availability, and performant applications.

- Able to learn & implement new technology/framework/library at God Speed.

- Customer-focused, react well to changes, work with teams and be able to multitask.

- Experience and knowledge of open-source tools and frameworks, broader cutting edge technologies around server side development. 

Desired Candidate Profile:-

- A Bachelor's degree in Computer Science or related field(or combined with related experience)

- Strong Expertise in Node.js/Javascript

- Hands-on experience in writing Node.js applications

- Deep knowledge of Restful APIs, Web Services, command-line programs and solid design principles.

- Knowledge of Node.js and frameworks like Express.js,Sails.js,StrongLoop, Meteor,Loopback.js, etc

- Knowledge of SQL and NoSQL database(MongoDB)

- Knowledge of tools like Docker, Git, Postman, JSdocs, etc.

- Well versed with front-end technologies - HTML5, and CSS3, AWS, GCP, Azure, Good hold on CLI command, OS

- Proficiency in multiple programming languages, both dynamic(Javascript, Python, Ruby, etc.) and strongly typed object-oriented language.

- Implementing automated testing platforms and unit tests.

- Must be a proven performer and team player that enjoys challenging assignments in a high energy, fast growing and start-up workplace.

- Good communication and interpersonal skills

Rejolut - As a Career Differentiator

 - We are a young and dynamic team who are obsessed with solving futuristic and evolutionary business problems at scale with the next generation technology like blockchain, crypto and machine learning. Focuses on empowering people across the globe to be technically efficient, making advancements in technology and providing new capabilities that were previously thought impossible.

- We provide exposure to higher learning opportunities so that you can work on complex and cutting edge technology like React, React Native, Flutter, NodeJS, Python, Go, Svelte, WebAssembly. Strong expertise in  blockchain and crypto technology and working with the networks like Hedera Hashgraph, Tezos, BlockApps, Algorand, Cardano.

- We maintain high end transparency with clients and employees as Visibility unlocks Efficiency and trust unlocks Visibility.

- Company is backed by two technology Co-founders, well-versed with consumer applications and their work has been downloaded millions of times and have led teams in leadership positions in companies like Samsung, Purplle, Loylty Rewardz.

Benefits :

> Health Insurance

> Work from Home

> Fast growth and more visibility into the company

> Experience to work on the latest technology

> Competitive Learning Environment with supportive co-workers

> Employee friendly HR Policies

> Paid leaves up to certain limits

> Competitive salaries & Bonuses

> Liberal working atmosphere

> Get mentored by the best in the industry

Schedule:

- Day Shift/Flexible working hours

- Monday to Friday