Senior JS Developer

Key Responsibilities:

• Design and develop backend components and sub-systems for large-scale platforms under guidance from senior engineers.
• Contribute to building and evolving the next-generation customer data platform.
• Write clean, efficient, and well-tested code with a focus on scalability and performance.
• Explore and experiment with modern technologies—especially open-source frameworks—
• and build small prototypes or proof-of-concepts.
• Use AI-assisted development tools to accelerate coding, testing, debugging, and learning while adhering to engineering best practices.
• Participate in code reviews, design discussions, and continuous improvement of the platform.

Qualifications:

• 0–2 years of experience (or strong academic/project background) in backend development with Java.
• Good fundamentals in algorithms, data structures, and basic performance optimizations.
• Bachelor’s or Master’s degree in Computer Science or IT (B.E / B.Tech / M.Tech / M.S) from premier institutes.

Technical Skill Set:

• Strong aptitude and analytical skills with emphasis on problem solving and clean coding.
• Working knowledge of SQL and NoSQL databases.
• Familiarity with unit testing frameworks and writing testable code is a plus.
• Basic understanding of distributed systems, messaging, or streaming platforms is a bonus.

AI-Assisted Engineering (LLM-Era Skills):

• Familiarity with modern AI coding tools such as Cursor, Claude Code, Codex, Windsurf, Opencode, or similar.
• Ability to use AI tools for code generation, refactoring, test creation, and learning new systems responsibly.
• Willingness to learn how to combine human judgment with AI assistance for high-quality engineering outcomes.

Soft Skills & Nice to Have

• Appreciation for technology and its ability to create real business value, especially in data and marketing platforms.
• Clear written and verbal communication skills.
• Strong ownership mindset and ability to execute in fast-paced environments.
• Prior internship or startup experience is a plus.

Responsibilities:

We’re looking for someone who is enthusiastic, comfortable with uncertainty, flexible, great with people and isn’t afraid to roll up their sleeves and get their hands dirty. Every day is an opportunity to bring your vision to life, and to expand, learn, and grow. No idea is left unconsidered. No voice is left unheard.

• Supporting system design, development and maintenance
• Taking responsibility for personal technical quality standards within the team
• Assisting in defining structured practices, especially in source code management, building and deployment
• Optimising applications for maximum speed and scalability
• 2-6 years of experience

Skills

NodeJs

• Looking for a highly capable Node.js developer to optimize our web-based application performance.
• Developing and maintaining all server-side network components.
• Ensuring optimal performance of the central database and responsiveness to front-end requests.
• Designing customer-facing UI and back-end services for various business processes.
• Qualification: Bachelor's degree in computer science, information science, or similar.
• Should have 4 years' experience as a node js developer.
• Extensive knowledge of JavaScript, web stacks, libraries, and frameworks.
• Knowledge of front-end technologies such as HTML5 and CSS3.
• Superb interpersonal, communication, and collaboration skills.
• Exceptional analytical and problem-solving aptitude.
• Great organizational and time management skills.
• Salary is negotiable for right fit.

We are looking for a Backend Developer who has 4-6 years of experience in designing, developing, and implementing backend services using Python and Django.

- Responsibilities-

- Design highly scalable, testable code and follow Test Driven Development methodology 

- Able to write well-organized, modularised code with test cases.

- Contribute to the design and architecture of our backend APIs and deployment of microservices

- Ensure adherence to engineering best practices and maintain the overall quality of our codebase.

- Work with the product team to translate powerful ideas into everyday business value.

- Skills-

- Back-end programming language: Python

- Familiarity with Django or Flask framework

- Familiarity with AWS and Elastic Search

- Experience in SQL and NoSQL databases with an insight into various data modeling use cases

- Experience with system & unit testing

- Familiarity with containerized deployment

- Proficiency with Git

- Sound with data structures and algorithms and have a good understanding of design patterns, software architectures

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!

• Lead the engineering effort across projects 
• Interface with key stakeholders and apply your technical proficiency across different stages including Application Architecture, Design and Development
• Understand client's business requirements and be able to map them to technology solutions and make them work
• Design and build modern solutions informed by a deep understanding of cloud architecture and how distributed systems operate at scale
• Provide regular support and guidance to teams on complex coding, issue resolution and execution 
• Establish and enforce best development and engineering practices including QA and DevOps
• Lead and manage your own team, but also get down to coding, testing, and designing solutions as and when needed
• Communicate effectively with teams, clients and business leaders within the company

• Minimum 6+ years of experience designing and building full stack applications using UI frameworks like Angular, React or Vue.JS and backend frameworks like Node.JS/ExpressJS or Python/Django/Flask or Laravel/Yii2/Symphony
• Minimum 2-3 years of experience as a Technical Lead mentoring team of 3 to 5 developers
• Strong knowlegde of cloud and distributed systems (AWS, GCP, Azure). Cloud certifications would be an added advantage.
• Deep knowledge of relational databases, SQL and NoSQL databases. Experience with Graph databases like Neo4j is desirable.
• Proficient in Git and CI-CD frameworks
• Strong communicator with visual, verbal, and writing skills to clearly articulate complex design problems and solutions
• Ability to work in an agile environment