Ruby on Rails Developer

Position Title : Python Django Developer

Location : Gurgaon (6 Days WFO)

Experience : 3+ Years

Job Overview :

We are looking for a skilled Python Django Developer with a strong background in developing scalable, high-performance web applications. The ideal candidate must have 3+ Years of hands-on experience in Django and related technologies, including RabbitMQ, Redis, Celery, and PostgreSQL, to ensure seamless background task management, caching, and database performance.

Key Responsibilities :

• Develop, maintain, and enhance Django-based web applications and APIs.
• Design and implement message broker solutions using RabbitMQ for asynchronous communication.
• Integrate Redis for caching and session management to optimize application performance.
• Implement and manage task queues using Celery for efficient background processing.
• Work with PostgreSQL, ensuring proper database design, query optimization, and performance tuning.
• Collaborate with front-end developers, DevOps engineers, and stakeholders to deliver high-quality software solutions.
• Write clean, modular, and well-documented code following best practices.
• Debug, troubleshoot, and resolve issues across the application stack.
• Participate in code reviews, system design discussions, and team meetings.
• Ensure scalability, reliability, and security of applications.

Required Technical Skills :

• Minimum 3+ Years of relevant experience in Python and Django framework.
• Proficiency in RabbitMQ for message brokering.
• Hands-on experience with Redis for caching and session management.
• Strong knowledge of Celery for distributed task queues.
• Experience with PostgreSQL, including database design, indexing, and optimization.
• Expertise in RESTful API design and development.
• Understanding of Docker and containerized applications.

Preferred Skills :

• Experience with CI/CD pipelines for automated deployments.
• Familiarity with cloud platforms like AWS or GCP.
• Knowledge of Django ORM and its performance optimizations.
• Basic understanding of front-end technologies (HTML, CSS, JavaScript).

Soft Skills

• Strong problem-solving and analytical abilities.
• Excellent communication and collaboration skills.
• Ability to adapt to an agile development environment and evolving requirements.

Educational Qualifications :

• Bachelor’s degree in Computer Science, Software Engineering, or a related field.

This Is NOT a Typical Java Role If your experience is mostly CRUD APIs, controller wiring, or shallow service layers — this role is not for you. We are looking for a top tier backend engineer who thrives on: 

* Designing complex algorithms 

* Building high-performance, memory-efficient systems 

* Owning deep backend logic that actually moves the needle 

You will work close to the core engine of the product, not the edges.

What You’ll Be Trusted With 

* Architect and build backend systems that must perform under load 

* Design and implement custom algorithms for real-world, non-trivial problems 

* Solve performance bottlenecks involving CPU, memory, I/O, and concurrency 

* Build backend services where latency, throughput, and correctness matter 

* Own document & PDF processing pipelines end-to-end:     

-Composition     

-Rendering     

-Optimization     

- High-volume generation 

* Make hard technical decisions and stand by them

Non-Negotiable Skills 

* Exceptional Java expertise (Core Java, Spring Boot, Java 8+) 

* Strong command over:     

• Data structures & algorithms 
• Multithreading & concurrency models     
• JVM internals & memory management 

* Proven experience building custom algorithms (this will be evaluated) 

* Deep backend engineering experience with Spring / Spring Boot 

* Strong understanding of:     

• API design principles     
• Fault tolerance & resilience     
•  Performance tuning & profiling 

* Ability to reason about time complexity, space complexity, and trade-offs 

* Strong database fundamentals (query optimization, indexing, transactions) 

* Experience with message brokers (ActiveMQ, Kafka, RabbitMQ) 

* Exposure to Kubernetes-based deployments or large-scale microservices 

Interview Focus (Be Prepared) 

* Algorithm design & problem solving 

* Deep Java fundamentals 

* System design discussions (backend-heavy) 

* Performance tuning scenarios 

* Real-world debugging and optimization challenges

Location: Bangalore 

About us 

RockED is the premier people development platform for the automotive industry, supporting the entire employee lifecycle from pre-hire and onboarding to upskilling and career transitions. With microlearning content, gamified delivery, and real-time feedback, RockED is educating the automotive workforce and solving the industry's greatest business challenges. 

The RockED Company Inc. is headquartered in Florida. Backed by top industry experts and investors, we’re a well-funded startup on an exciting growth journey. Our R&D team (Indian entity) is at the core of all product and technology innovation 

We partner with 10000+ dealerships, empower 60,000+ learners, complete 15000+ certifications, and have crossed 11 million lesson completions

Check out our website https://www.rocked.us/ 

Your Impact

We are looking for a Hands-on software developer with strong hands-on experience in backend technologies (Node.js) who can lead, mentor, and grow a high-performing engineering team.

Engineers who can combine technical depth with strategic product thinking. This role is ideal for someone who enjoys working with modern backend stacks, brings strong critical thinking to the table, and can balance short-term delivery with long-term technical vision. 

• Stay updated with evolving AI technologies and encourage the team to leverage AI tools effectively to improve development efficiency and innovation.
• Build and provide technical direction and architectural guidance for backend services and APIs.
• Design, implement, and maintain databases, ensuring data integrity, security, and efficient retrieval. 
• Implement the core logic that makes applications work, handling data processing, user requests, and system operations. 
• Contribute actively to system architecture, proposing enhancements and leading design discussions for new features and services.
• Working closely with product managers and designers to turn ideas into reality and shape the product roadmap. 
• Optimize systems for performance, scalability, and security 
• Stay up-to-date with new technologies and frameworks, Drive planning, prioritization, and timely delivery of engineering initiatives.
• Drive code quality through writing unit tests, documentations and conducting code reviews.
• Take ownership of end-to-end feature development — from design to deployment and monitoring.

What skills do you need? 

• Extensive (Must have) hands-on experience in JavaScript / TypeScript, backend development using Node.js and Express.js, and database management with MySQL.
• Strong command of JavaScript and understanding of its quirks and best practices
• Exposure to system design and interest in building scalable, high-availability systems.
• Experience from a high-growth product-based startup is a must-have.
• Ability to think strategically when designing systems—not just how to build, but why
• Prior work on B2C applications with a focus on performance and user experience
• Knowledge of Sequelize, MongoDB, and AWS would be an advantage. 
• Curiosity and openness to adopt emerging AI technologies in engineering workflows and incorporate AI capabilities into products or internal tools.

Why choose a career at RockED? 

• Build from Day One: Work in small, fast-moving teams solving real problems and building products from the ground up.
• Learn from Industry Leaders: Collaborate directly with leaders who’ve held senior roles at global companies like Adobe, Microsoft, Walmart, and more.
• AI Expoure: We encourage engineers to leverage AI tools and emerging technologies to improve productivity, experimentation, and innovation.
• Global Exposure: Be part of a diverse, high-calibre team working closely across the US and India.
• People-First Benefits: ₹10 lakh health insurance coverage for you and your family—fully sponsored by RockED.

The requirements are as follows:

1) Familiar with the the Django REST API Framework.

2) Experience with the FAST API framework will be a plus

3) Strong grasp of basic python programming concepts ( We do ask a lot of questions on this on our interviews :) )

4) Experience with databases like MongoDB , Postgres , Elasticsearch , REDIS will be a plus

5) Experience with any ML library will be a plus.

6) Familiarity with using git , writing unit test cases for all code written and CI/CD concepts will be a plus as well.

7) Familiar with basic code patterns like MVC.

8) Grasp on basic data structures.

Job Description:

• 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.

• Must have experience in either of JavaScript frameworks: Angular (Preferred) / ReactJS/Node.
• Must have experience in either of backend software development in NODE Js or [J2EE, Spring Boot, Spring core, JPA]
• Must have experience in designing/implementing Hibernate/ORM, Restful web services, Micro Services using Java or Node Js
• Knowledge with relational/ NoSQL databases (e.g., Oracle, MySQL, MongoDB)
• Knowledge with versioning (Git or SVN) /build tools (Maven/Ant/Gradle/Junit), Unit testing & code coverage tools is desired
• Knowledge of App / Web servers (NGINX / Tomcat / Jboss Wildfly)
• Understands the process of new application development and has the ability to apply these concepts with minimal mentoring and supervision.
• Advanced knowledge experience using any of IDE (e.g., Eclipse, SonarQube, STS, VS Code)
• Knowledge on Cloud platform, technologies & deployments is an added advantage
• Resolves technical issues through debugging, research, and
• Must have experience with Agile tools

• Good knowledge in product development domains
• Knowledge in Finance and Insurance domain preferred
• Maintain quality and ensure responsiveness of
• Complete application development by coordinating requirements, schedules, and activities contributing to team meetings;
• Troubleshooting development and production problems across multiple environments and operating platforms.
• Collaborate with the rest of the engineering team to design and launch new features
• Understanding and implementation of security and data
• Ensure designs are in compliance with specifications and standards and best industry
• Usage of Process tools – JIRA, TFS, HP QC or any other agile tools, also knowledge of CMM Level 3 development process.
• Self-motivated & working independently with minimal
• Maintain code integrity and
• Experience working with graphic designers and converting designs to visual
• Follow the coding standards for java/node and angular

• Usage of troubleshooting tools like J Profiler, J Meter or application performance tuning
• Exposure to Non-web-based developments, for both mobile and
• Development experience using Docker, Kubernetes, Containerization etc in AWS or other cloud platforms
• Willing to take up proof of concepts and showcase the technical capability
• Usage of design tools Visio or draw io

Fulfil’s software engineers develop the next-generation technologies that change how millions of customer orders are fulfilled by merchants. Our products need to handle information at massive scale. We're looking for engineers who bring fresh ideas from all areas into our technology.

As a senior software engineer, you will work on our python based ORM and applications that scales to handle millions of transactions every hour. This is mission critical software and your primary focus will be building robust and scalable solutions that are easy to maintain.

In this role, you will be collaborating closely with the rest of the team working on different layers of infrastructure in an international environment. Therefore, a commitment to collaborative problem solving, sophisticated design, and quality product are important.

What You’ll Do:

• Own definition and implementation of API interfaces (REST and GraphQL). We take pride in our 100% open API with over 600 endpoints.
• Implement simple solutions to complex business logic that enables our merchants to manage financials, orders and shipments across millions of transactions.
• Build reusable components and packages for future use.
• Translate specs and user stories into reviewable, test covered patches.
• Peer review code and refactor existing code.
• Integrate with our eCommerce partners (Shopify, BigCommerce, Amazon), shipping partners (UPS, USPS, FedEx, DHL) and EDI.
• Manage Kubernetes and Docker based global deployment of our infrastructure.

Requirements We’re Looking for Someone With:

• Experience working with ORMs like SQLAlchemy or Django (2-3 years)
• Experience with SQL and databases (Postgres preferred)
• Experience in developing large server side applications and microservices
• Ability to create high quality code
• Experience with python testing tools (pytest) and test automation
• Familiarity with code versioning tools like GIT
• Strong sense of ownership and leadership quality
• Experienced in the tools of our web stack- Python, Celery, Postgres, Redis, RabbitMQ

Nice to Haves:

• Prior experience at a growth stage Internet/Software company
• Experience with ReactJS, Google Cloud, Heroku
• Cloud deployment and scaling experience

Icicle is looking for an experienced RoR developer who can effortlessly build with us the cleanest of all designs. We're looking for passionate Ruby on Rails developers to join our IT team in Mumbai.

Icicle builds Web & Mobile products for Startups, Brands, Digital Agencies and Enterprises, helping in bringing their ideas to life. More - www.icicletech.com

The team consists of bright young designers, hackers, senior developers, startup specialists. We are distributed with offices in Mumbai, Bangalore and New York. More - www.icicletech.com

What will you do?

As a Ruby on Rails developer, you will get to:

• Participates as an independent contributor on an agile development team working closely with team members to effectively deliver high quality code.
• Complete ownership of a product or feature from development to launch.
• Coordinate and participate in the code review process to ensure delivery of high-quality, testable code using best practices and current software patterns.
• Review and mentor other team members. Be a team player!
• Get complete control of the product with active involvement in deciding stack and architecture.

What we are looking for

• Minimum 3+ years in depth hard core experience in Ruby on Rails
• Deep understanding of object-orientated programming
• A knack for writing clean, readable maintainable Ruby code.
• Identify bottlenecks and bugs, and devise solutions to these problems.
• Skillset in Testing using Rspec
• Demonstrated skills and experience with writing testable code and using related best practices.
• Understanding of web services technologies such as REST is required.
• Good experience and understanding of continuous integration and deployment process.
• Knowledge in working with AWS or other cloud platform
• Experience in working with limited direction while exceeding delivery expectations.
• Great communication, particularly in explaining your coding processes, suggestions for best practices, and identifying ways to improve the teams coding quality.

Technical Expertise
Core

Ruby, Ruby on Rails, HTML, CSS3, JavaScript, Rest API
Databases

PostgreSQL, MongoDB, Redis, Memcached
Testing

Rspec (or any other Unit testing framework)
Cloud/Deployments

Capistrano, Docker, Heroku, AWS, Kubernetes

Desirable Skills

• Participation in open-source projects.
• Actively involved in solving problems on Github, Stackoverflow.com and groups.
• Experience working in JS and front end frameworks (React)
• Interest in learning new technologies.

Why Icicle

• 100% work-life balance
• Competitive salary
• Perks of getting free Gym Membership vouchers.
• Medical checkup Vouchers with topnotch hospitals and coupons for medical bills.
• Exposure to futuristic technology, mentally stimulating work environment.
• Opportunity to work with a big team of experienced, committed, talented people with a great sense of humour.
• Stability of a legacy company and agility of a startup - best of both the world.
• A healthy work environment with no politics, no bureaucracy.
• Encouraged to learn new skills, grow together, not just maintain the status quo

So, if you have 3+ years of experience developing applications with Ruby on Rails, apply today!