Fullstack Developer

Job Description:-

We’re looking for a skilled and motivated Shopify Developer with 3–4 years of experience to join our team. The ideal candidate should have a strong background in Shopify theme customization, API integrations, backend implementations using Node.js/Vue.js/Typescript, a  nd custom app development with a good balance of backend and frontend development skills.

Backend Development Responsibilities

• Develop server-side logic using Node.js, Vue.js, Typescript, etc.
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• Work with Shopify Admin & Storefront APIs (REST & GraphQL).
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• Implement and manage OAuth authentication, webhooks, and background jobs.
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• Integrate third-party services (e.g., CRM, ERP, payment gateways).
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• Ensure backend security and performance.
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• Use deployment tools and services like Heroku, Vercel, or AWS.
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• Maintain Git-based version control and CI/CD pipelines.
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• Write clean, scalable, and maintainable backend code.
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 Frontend Development Responsibilities

• Create responsive, user-friendly interfaces using Liquid, Polaris, HTML/CSS, and React.js.
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• Customize and maintain Shopify themes to align with business requirements.
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• Collaborate with designers to implement UI/UX best practices.
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• Ensure cross-browser and mobile compatibility.
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• Maintain frontend performance and accessibility standards.

Shopify App Development Responsibilities

• Build and maintain custom Shopify apps (public and private).
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• Ensure apps meet Shopify App Store requirements and follow security best practices.
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• Stay up to date with Shopify platform updates, tooling, and development guidelines.
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• Collaborate with product managers and QA to deliver high-quality, merchant-focused features.
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• Write technical documentation for internal and external users.

 Skills & Qualifications:

• 3-4 years of experience in Shopify development.
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• Proficient in Node.js, React.js, Vue.js & Liquid.
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• Strong knowledge of Shopify APIs (REST & GraphQL).
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• Experience with Shopify CLI, Git, and CI/CD tools.
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• Familiarity with OAuth, webhooks, and third-party API integrations.

• Understanding of hosting platforms like AWS, Heroku, or Vercel (preferred).
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• Strong debugging and problem-solving skills.
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• Experience working in Agile/Scrum environments.

🚀 Hiring: MERN Stack Developer

⭐ Experience: 3+ Years

📍 Location: Mumbai ( Andheri East)

⭐ Work Mode:- 5 Days Work From Office

⏱️ Notice Period: Immediate Joiners

(Only immediate joiners & candidates serving notice period)

💡 Interview Mode - Walkin Interview

We are looking for a MERN Stack Developer skilled in MongoDB, Express.js, React.js, and Node.js to build scalable, high-performing web applications.

💫 What We’re Looking For:

✅ Proficiency in React.js, Node.js, Express.js, MongoDB

✅Strong in JavaScript (ES6+), REST APIs, Git

✅Good problem-solving & debugging skills

Job Summary:

We are looking for a highly motivated and skilled Software Engineer to join our team.

This role requires a strong understanding of the software development lifecycle, proficiency in coding, and excellent communication skills.

The ideal candidate will be responsible for production monitoring, resolving minor technical issues, collecting client information, providing effective client interactions, and supporting our development team in resolving challenges

Key Responsibilities:

Client Interaction: Serve as the primary point of contact for client queries, provide excellent communication, and ensure timely issue resolution.

Issue Resolution: Troubleshoot and resolve minor issues related to software applications in a timely manner.

Information Collection: Gather detailed technical information from clients, understand the problem context, and relay the information to the development leads for further action.

Collaboration: Work closely with development leads and cross-functional teams to provide timely support and resolution for customer issues.

Documentation: Document client issues, actions taken, and resolutions for future reference and continuous improvement.

Software Development Lifecycle: Be involved in maintaining, supporting, and optimizing software through its lifecycle, including bug fixes and enhancements.

Automating Redundant Support Tasks: (good to have) Should be able to automate the redundant repetitive tasks Required Skills and Qualifications:

Mandatory Skills:

Expertise in at least one Object Oriented Programming language (Python, Java, C#, C++, Reactjs, Nodejs).

Good knowledge on Data Structure and their correct usage.

Open to learn any new software development skill if needed for the project.

Alignment and utilization of the core enterprise technology stacks and integration capabilities throughout the transition states.

Participate in planning, definition, and high-level design of the solution and exploration of solution alternatives.

Define, explore, and support the implementation of enablers to evolve solution intent, working directly with Agile teams to implement them.

Good knowledge on the implications.

Experience architecting & estimating deep technical custom solutions & integrations.

Added advantage:

You have developed software using web technologies.

You have handled a project from start to end.

You have worked in an Agile Development project and have experience of writing and estimating User Stories

Communication Skills: Excellent verbal and written communication skills, with the ability to clearly explain technical issues to non-technical clients.

Client-Facing Experience: Strong ability to interact with clients, gather necessary information, and ensure a high level of customer satisfaction.

Problem-Solving: Quick-thinking and proactive in resolving minor issues, with a focus on providing excellent user experience.

Team Collaboration: Ability to collaborate with development leads, engineering teams, and other stakeholders to escalate complex issues or gather additional technical support when required.

Preferred Skills:

Familiarity with Cloud Platforms and Cyber Security tools: Knowledge of cloud computing platforms and services (AWS, Azure, Google Cloud) and Cortex XSOAR, SIEM, SOAR, XDR tools is a plus.

Automation and Scripting: Experience with automating processes or writing scripts to support issue resolution is an advantage.

Role Description

We are seeking a full-time AI Developer specializing in Generative AI and Large Language Models (LLMs) to join UpSolve Solutions in Mumbai. This client-facing, on-site role involves designing, developing, and deploying AI models, specifically focusing on GenAI and LLMs. The AI Developer will leverage expertise in machine learning, natural language processing, and data science to build cutting-edge AI solutions that drive business innovation and solve complex challenges.

Qualifications

• Proficiency in Python
• Strong projects in Flask + JS
• Excellent problem-solving, critical thinking, and analytical skills
• Strong communication and presentation skills, with the ability to convey technical concepts to non-technical stakeholders
• Bachelor's or Master’s degree in a relevant field (e.g., Computer Science, Artificial Intelligence, Data Science)

- Good understanding of NODE JS back-end development

- Strong understanding of Node.js and frameworks available for it

- Understanding of front-end technologies, such as React/Angular, HTML and CSS3
-Solid understanding of object-oriented development and design patterns.

- Good experience with AJAX, REST and JSON

- Experience with development practices such as Test-Driven Development and Continuous Integration
-Experience in Version Control Systems like GIT, Bitbucket
- Must have good problem solving and analytical skills.

- Must be a team player, having good communication skills, self-starter

- Ability to pick up new technology is needed.

We are looking for a FULL-TIME OFFICE POSITION Java Developer (2-3 years experience) who is proficient with coding and can design, develop, test, and implement Java applications and resolve technical issues.

As a Java Developer, we are looking for a highly skilled candidate, who will be responsible for building great web applications in Java, analyzing business objectives and user requirements, suggesting necessary changes for the existing Java applications, compiling detailed technical documentation, and determining application functionalities and features.

Do you think you fit this description well? Then apply now!

Expected Responsibilities

• Understanding the business requirements
• Designing and developing the front end for customer-facing applications using the MVC framework
• Creating RESTful APIs for the front-end developers with and with ORM or raw query for any Database technologies like MySQL or MongoDB
• Creating self-contained, reusable, and testable modules and components
• Ensuring a clear dependency chain regarding the app logic as well as the file system
• Supporting continuous improvement by investigating alternatives and technologies and presenting these for architectural review
• Writing non-blocking code and resorting to advanced techniques, such as multi-threading, when required

Required Skills And Qualifications

• MCA/BTech degree in Computer Science, Engineering, or a related subject
• Thorough understanding of the responsibilities of the platform, database, API, caching layer, proxies, and other web services used in the system
• Experience with Docker or any other containerization tools
• Growth mindset and a positive and collaborative attitude
• Professional, precise communication skills
• Fluency in English, both written and spoken

Must-Haves

• At least 2-3 years of experience as a Java Developer
• Experience with Amazon Web Services (S3, Lambda, Elastic Beanstalk, and other AWS modules)
• Hands-on experience in Core Java, Spring Boot, and Spring framework (Embedded Tomcat), REST API skills
• Deep understanding of Java, servlets in J2EE, web-based request handling with Microservices architecture
• Experience with JavaScript-based front-end frameworks like Angular JS or React JS
• Good understanding of Design Patterns, Data structures, and Algorithms
• Exposure to Agile principles and methodologies, including Continuous Integration and Test Driven Development
• Comprehensive knowledge of OO design principles and development patterns
• Java Batch Scheduling (e.g., Flux, Quartz) knowledge
• Previous experience working with clean code, SOLID principles, TDD

A Little About Who We Are

Klizo Solutions, founded by Joseph Ricard, is an IT company that develops outstanding applications and techs in an enterprise environment, located near CC2 in the New Town Area, Kolkata.

But it isn’t the first brainchild of our founder, as he also has multiple start-ups to his credit, including one of the largest music apps in the Philippines and Italy and a first-of-its-kind Cannabis Vending Machine.

So, naturally, being a part of a company founded and run by such a visionary tech leader and a serial entrepreneur, our employees always have ample opportunities to learn and grow as the company evolves.

Currently, our big happy Klizo family consists of 50+ employees. But we want to extend the happiness of working and collaborating with talented individuals even further. And by this, we mean we will hire more talents over the next few weeks!

Perks Of Being A Klizonian

• Training will be provided (if required)
• 5-day working in a week
• On-time salary every month
• Cool and approachable management
• Numerous opportunities for growth

Job Type: Full Time

Responsibilities:

• Build a high-quality web application from scratch.
• Design, build and maintain efficient, reusable, and reliable code to ensure the applications' best possible performance, quality, and responsiveness
• Work as part of a team developing web applications and services using Agile development methods.
• Contribute to team and organizational improvements in process and infrastructure.
• Code, test and operate Laravel based services.
• Lead the entire web application development life cycle right from concept stage to delivery and post launch support
• Troubleshoot, test and maintain the core product software and databases to ensure strong optimization and functionality
• Document the development process, architecture, and standard components
• Developing JSON, REST, and SOAP APIs/web services.

Skills Requirements

• Strong expertise in PHP programming on Laravel with deep understanding on Laravel features and libraries
• Restful API development expertise is a must
• Must be proficient in Web development technologies like HTML 5, CSS 3, Javascript, Node-JS
• Knowledge of jQuery and HTML
• Knowledge of MySQL and Query Optimization
• Knowledge of GIT
• Good written communication skills.
• You must be humble and a team player.
• Experience in handling a team and Project Management.
• Understanding of MVC design patterns
• Hands on experience with any E-commerce website.

Roles & Responsibilities:

• As one of the earliest employees, there will be a lot on your plate. All the time!
• You'll build new product features from start to finish: through conception, research, maintenance, and polish. Think features to improve our collaborative student learning platform, such as new collaborative learning activities for teaching coding and other subjects.
• You'll build improvements to performance, reliability, and product polish — for example, improving the efficiency and performance of our replicated state systems.
• You'll build and improve processes and internal tools with simplicity and productivity in mind — such as, a tool to sync updates between zoho, slack etc.

This might be for you if...

• You have knowledge of ReactJS and any backend technology along with that
• You have been professionally coding for at least 3 years
• You have worked in a startup and relish the chaos and pressure
• You've built and maintained quality user interfaces that have reached a large audience, ideally while the product is experiencing rapid growth.
• You can readily learn most technologies as you go. To you, technologies are about tools and tradeoffs, not an ideology.
• You care about the business implications of anything you build. You're not just going after cool stuff — you understand the balance between craft, speed, and the bottom line.