Business Development Manager (IT)
- Sales
- Business Development
- Mailchimp
- CRM
- Lead Generation
We are hiring a Business Development Manager with proven experience in software services sales (full-stack, AI/ML, cloud, automation, Mobile & Web Apps).
Key Responsibilities
- Generate and qualify leads specifically for software/IT services
- Run cold email campaigns (Mailchimp, LinkedIn, CRM).
- Build and manage SME client relationships in global markets (US/EU focus).
- Drive proposals, presentations, and deal closures.
Requirements
- 4 yrs of business development in software services / IT consulting.
- Fluent spoken & written English.
- Strong skills in lead generation, cold outreach, and email marketing tools.
- Based in Kolkata / West Bengal
- Applications without relevant software/IT sales experience will not be considered.
Salary + incentives based on performance.
***Candidates with software industry exposure only may apply.Salary + incentives based on performance.
***Candidates with software industry exposure only may apply.Mid-Level Laravel Developer
- Laravel
- PHP
- JavaScript
- MySQL
- Python
- GIT
We're looking for a Laravel Developer to join our back-end development team and help build reliable, scalable web applications.
What You'll Do
- Write clean, efficient PHP code using Laravel
- Build and maintain web applications and RESTful APIs
- Develop and maintain backend components using Python where required
- Integrate Python-based services, scripts, or microservices with Laravel applications
- Debug issues and optimise applications for speed, performance, and reliability
- Collaborate with front-end teams for seamless system integration
- Stay updated on Laravel and Python best practices, frameworks, and industry trends
What We're Looking For
- 2–3 years of hands-on experience in Laravel development
- Strong proficiency in PHP, HTML, JavaScript, CSS, and MySQL
- Python knowledge is very important, with practical experience in backend development or scripting
- Proficient with Git and database design principles
- Understanding of API integrations and backend architecture
- Degree in Computer Science or a related field
- Strong problem-solving skills with clear communication abilities
Frontend Developer (React Js)
- React JS
- JavaScript
- TypeScript
- Redux
- Tailwind CSS
- REST APIs
Collatzinc is hiring a React JS Developer to build clean, scalable, production-ready frontend apps. 3+ years | Kolkata | Full-time
Key Responsibilities
- Build and maintain React-based web applications
- Implement frontend logic, API integrations, state management and reusable modules
- Work with Redux, RTK Query and WebSocket-based features where needed
- Create reusable components and maintain clean frontend architecture
- Collaborate with backend devs, designers, QA, and project leads
- Debug, optimize, and improve existing frontend code
- Use AI-assisted tools responsibly for coding, debugging, refactoring, and documentation
Required Skills
- 3+ years frontend development
- Strong React JS, JavaScript, HTML5, CSS3
- Experience with Redux, Redux Toolkit / RTK Query and WebSocket-based integrations
- Experience with TypeScript
- React Hooks, routing, component-based architecture, state management
- Tailwind CSS, Material UI, Bootstrap or similar libraries
- REST API integration
- Git and standard dev workflows
- Responsive design and cross-browser compatibility
- Clean, reusable, maintainable code
- Comfort with AI-assisted dev tools and writing clear prompts for AI coding
- Python (AI features, automation, backend-adjacent tasks)
- Testing tools: Jest, React Testing Library, or Cypress
- Experience with dashboards, admin panels, SaaS, or business apps
- Ability to critically review and validate AI-generated code, ReactJS: 3 years (Required)
QA Engineer
- Manual Testing
- QA
- SDLC
- Bug Tracking
- Regression Testing
We're looking for a detail-oriented Software Tester / QA Analyst to ensure our applications meet high standards of quality and performance. Kolkata | 1-4 yrs exp | Full-time
Key Responsibilities
- Write and execute test plans, cases, and scripts
- Perform manual testing; exposure to automation is a plus
- Identify, document, and track defects using bug-tracking tools
- Run regression testing and validate fixes
- Work with developers and PMs to align testing with requirements
Requirements
- 1-4+ years of experience in software testing / QA
- Knowledge of QA methodologies and SDLC
- Hands-on with test management & bug tracking tools
Online Bidder (Intern)
- Sales
- Marketing
- Lead Generation
- Proposal Writing
We're looking for a sharp intern with a B-School background and a flair for sales and marketing.
Key Responsibilities
- Research leads and opportunities across platforms
- Bid on Online platforms (with guidance)
- Write tailored proposals
- Track responses and follow up
- Support profile building and client communication
You Fit If
- B-School fresher / junior
- Strong English (written and spoken)
- Detail-oriented and comfortable with outreach
- Interested in sales, marketing, and tech
- Bonus: Exposure to bidding platforms
Online Bidder (Senior)
- Online Bidding
- Upwork
- Freelancer
- Business Development
- Negotiation
Collatzinc Pvt Ltd is a fast-growing software services company delivering web and mobile solutions to global clients.
Key Responsibilities
- Bid on platforms like Upwork, Freelancer, Fiverr, Guru to win projects
- Build and maintain company profiles to attract clients
- Write tailored proposals, handle negotiations, and close deals
- Coordinate with technical teams for accurate estimates and delivery
- Manage client relationships and ensure repeat business
Requirements
- 3+ years experience in online bidding & business development for software services
- Proven success on major freelancing platforms
- Strong English communication, proposal writing, and negotiation skills
- Understanding of web/mobile development and digital marketing
Web Designer / Visualizer
- Figma
- Photoshop
- Adobe XD
- HTML5
- CSS3
- UI/UX
We are looking for a creative and passionate Web Designer with 2 to 5 years of experience, strong visual design skills and hands-on experience in responsive website design. (WFO-Kolkata)
Key Responsibilities
- Design responsive and visually appealing websites
- Ensure website performance, quality and responsiveness; work collaboratively with teams and independently when required
- Stay updated with the latest web design trends and technologies
- Visual Problem Solving: strong critical thinking skills with the ability to transform complex briefs into clear, creative, and visually engaging design solutions
Required Skills
- Figma, Photoshop, Adobe XD, HTML5, CSS3, JavaScript, jQuery, Illustrator, CorelDRAW
- Responsive Web Design & UI/UX understanding
- Professional-level English reading and speaking skills
- Basic animation or motion design skills would be an added advantage
