11+ Modbus Jobs in Kolkata | Modbus Job openings in Kolkata

Designation: Automation & IoT Engineer (Water Treatment)

Key responsibilities: 

• Design, implement, and maintain automation systems (SCADA, PLC, HMI) tailored for groundwater treatment plants, ensuring seamless integration with existing infrastructure.
• Program and configure PLC/SCADA systems for process automation of pumps, valves, filters,dosing systems, chemical treatment, backwashing, sludge handling, and other water treatment operations.
• Integrate IoT-based real-time monitoring solutions including flow meters, pressure transmitters,water level sensors, and water quality instruments (pH, turbidity, TDS, conductivity, chlorine
• residual, etc.).
• Develop and configure data acquisition systems (DAQ) to collect, process, and analyze operational parameters, ensuring availability of accurate real-time and historical data.
• Set up dashboards and cloud-based remote monitoring platforms for centralized control,reporting, and decision-making across multiple plant sites.
• Ensure reliable industrial communication protocols (Modbus RTU/TCP, Profibus, OPC-UA, MQTT,Ethernet/IP, LoRa, GPRS/4G/5G) for smooth data exchange between PLCs, IoT devices, and cloud servers.
• Conduct system testing, troubleshooting, diagnostics, and preventive maintenance of PLCs,SCADA servers, HMIs, sensors, actuators, and communication networks to minimize downtime.
• Collaborate with process engineers and plant operators to optimize plant performance through advanced control strategies (PID tuning, VFD integration, energy optimization, predictive
• maintenance).
• Design and implement cyber security measures to protect automation & IoT systems from unauthorized access, malware, and data breaches.
• Prepare and maintain technical documentation including control logic diagrams, wiring diagrams,SOPs, and system manuals.
• Coordinate with vendors and contractors for procurement, installation, and commissioning of automation hardware/software.
• Support plant expansion and upgradation projects by evaluating new automation technologies and IoT solutions.
• Train and mentor plant operators on SCADA/HMI usage, alarm handling, and IoT dashboards to improve operational efficiency.
• Generate periodic performance reports on plant automation, IoT monitoring, energy consumption and water quality compliance.

The Knowledge Graph Architect is responsible for designing, developing, and implementing knowledge graph technologies to enhance organizational data understanding and decision-making capabilities. This role involves collaborating with data scientists, engineers, and business stakeholders to integrate complex data into accessible and insightful knowledge graphs.

Work you’ll do

1. Design and develop scalable and efficient knowledge graph architectures.

2. Implement knowledge graph integration with existing data systems and business processes.

3. Lead the ontology design, data modeling, and schema development for knowledge representation.

4. Collaborate with IT and business units to understand data needs and deliver comprehensive knowledge graph solutions.

5. Manage the lifecycle of knowledge graph data, including quality, consistency, and updates.

6. Provide expertise in semantic technologies and machine learning to enhance data interconnectivity and retrieval.

7. Develop and maintain documentation and specifications for system architectures and designs.

8. Stay updated with the latest industry trends in knowledge graph technologies and data management.

The Team

Innovation & Technology anticipates how technology will shape the future and begins building future capabilities and practices today. I&T drives the Ideation, Incubation and scale of hybrid businesses and tech enabled offerings at prioritized offering portfolio and industry interactions.

It drives cultural and capability transformation from solely services – based businesses to hybrid businesses. While others bet on the future, I&T builds it with you.

I&T encompasses many teams—dreamers, designers, builders—and partners with the business to bring a unique POV to deliver services and products for clients.

Qualifications and Experience

Required:

1. Bachelor’s or Master’s degree in Computer Science, Information Technology, or a related field.

2. 6-10 years of professional experience in data engineering with Proven experience in designing and implementing knowledge graph systems.

3. Strong understanding of semantic web technologies (RDF, SPARQL, GraphQL,OWL, etc.).

4. Experience with graph databases such as Neo4j, Amazon Neptune, or others.

5. Proficiency in programming languages relevant to data management (e.g., Python, Java, Javascript).

6. Excellent analytical and problem-solving abilities.

7. Strong communication and collaboration skills to work effectively across teams.

Preferred:

1. Experience with machine learning and natural language processing.

2. Experience with Industry 4.0 technologies and principles

3. Prior exposure to cloud platforms and services like AWS, Azure, or Google Cloud.

4. Experience with containerization technologies like Docker and Kubernetes

Hiring Now: International Voice Process (Entry-Level – Night Shift) 🌙

📍 Location: Kolkata (Work from Office)

🕐 Shift: Night Shift | 5 Days a Week

💼 Role: International Voice Process (Inbound)

👥 Open to: Freshers & Experienced Professionals (0–4 years)

💡 What We're Looking For:

Excellent communication skills in English

Willingness to work night shifts

Positive attitude and eagerness to learn!

💸 Salary & Incentives:

Experienced: Up to ₹35,000/month(negotiable)

Incentives: Up to ₹6 Lakhs based on performance

Daily Incentives!

🎁 Perks & Benefits:

Salary credited on the 1st of every month

Unlimited monthly incentives

24 paid leaves + 15 Comp Offs

Birthday Leave (or double pay if you choose to work)

Fast-track career growth opportunities

📞 Ready to Apply? Contact us today!

📱 Call/WhatsApp: eight zero one six zero nine nine seven eight eight

Responsibilities

• Develop and maintain robust APIs to support various applications and services.
• Design and implement scalable solutions using AWS cloud services.
• Utilize Python frameworks such as Flask and Django to build efficient and high-performance applications.
• Collaborate with cross-functional teams to gather and analyze requirements for new features and enhancements.
• Ensure the security and integrity of applications by implementing best practices and security measures.
• Optimize application performance and troubleshoot issues to ensure smooth operation.
• Provide technical guidance and mentorship to junior team members.
• Conduct code reviews to ensure adherence to coding standards and best practices.
• Participate in agile development processes including sprint planning daily stand-ups and retrospectives.
• Develop and maintain documentation for code processes and procedures.
• Stay updated with the latest industry trends and technologies to continuously improve skills and knowledge.
• Contribute to the overall success of the company by delivering high-quality software solutions that meet business needs.
• Foster a collaborative and inclusive work environment that promotes innovation and continuous improvement.

Qualifications

• Possess strong expertise in developing and maintaining APIs.
• Demonstrate proficiency in AWS cloud services and their application in scalable solutions.
• Have extensive experience with Python frameworks such as Flask and Django.
• Exhibit strong analytical and problem-solving skills to address complex technical challenges.
• Show ability to collaborate effectively with cross-functional teams and stakeholders.
• Display excellent communication skills to convey technical concepts clearly.
• Have a background in the Consumer Lending domain is a plus.
• Demonstrate commitment to continuous learning and staying updated with industry trends.
• Possess a strong understanding of agile development methodologies.
• Show experience in mentoring and guiding junior team members.
• Exhibit attention to detail and a commitment to delivering high-quality software solutions.
• Demonstrate ability to work effectively in a hybrid work model.
• Show a proactive approach to identifying and addressing potential issues before they become problems.

Job Opening: FreeSWITCH Developer

Location: Ecospace Business Park, Rajarhat, Newtown, Kolkata

Employment Type: Full-Time, Permanent

Shift: Day Shift

Experience: Minimum 4+ years in FreeSWITCH/VoIP Development

Responsibilities:

• Design, develop, deploy, troubleshoot, and maintain tools and services supporting our cloud telephony network.
• Customize FreeSWITCH for large-scale audio/video conferencing (1000–1500 concurrent calls).
• Expertise in SIP, RTP, RTCP, TURN, STUN, NAT, TLS.
• Hands-on experience with RTP Proxy and routed audio conferences.
• Understanding of SDP Protocol offer/answer mechanism.
• Work with load testing tools for FreeSWITCH audio conferences.
• Deploy and manage multiple FreeSWITCH instances using load balancers.
• Debug issues using packet captures (Wireshark/Ngrep).
• Collaborate with mobile/API teams for integration and support.
• Knowledge of codecs (PCMU, PCMA, G729, Opus) and open-source telephony technologies (FreeSWITCH, WebRTC).
• Familiarity with SIP servers (SER/OpenSER), proxy servers, SBC, SIPX is a plus.

Qualifications:

• Bachelor’s degree in Engineering (B.Tech/MCA).
• 4+ years of hands-on experience in FreeSWITCH development or related VoIP technologies.
• Strong knowledge of Linux environments and command-line tools.
• Basic to intermediate SQL knowledge.
• Proficiency in scripting (Bash, Python, Perl) for automation.
• Strong understanding of VoIP protocols (SIP, RTP), networking principles (TCP/IP, DNS, DHCP, routing protocols).
• Excellent troubleshooting skills with ability to resolve complex technical issues.
• Strong problem-solving, communication, and collaboration skills.

Industry Preference:

• Travel (Preferred)
• Any Industry (Required)

Hiring for International BPO Sales Executive for Inbound Process

Must have experience in sales for at least 1 yr in any International Outbound BPO

Process - Travel Sales (US Shift)

Role: Need to handle inbound calls related to Flight booking, car rentals, hotel booking from US customers and convert those calls into sales

Location: Ecospace Business Park (Kolkata)

Salary - upto 25k plus Incentives upto 5 'lac

**Looking for immediate Joiner**

**Ready to work in Night Shift**

**Must have exp in US Sales Process**

**Freshers are Welcome**

Interested one can connect Uzma

Sr Software Engineer

Opportunity in this role / Why should you join our client?

- You are your own master. We don't preach you, we just allow you to Innovate, Iterate, Learn and Adapt

- Work with one of India's leading food tech unicorn company

- ESOPs in the company

Requirements

- Strong coding and problem-solving skills

- 4-6 years of industry experience

- Bachelors and/or master’s degree, preferably in CS, or equivalent experience

- A full-stack generalist with experience in both front-end and back-end technologies

- Experience in Node.

- Experience in JavaScript frameworks like React, NodeJS.

- Ability to write MySQL queries across tables

- Good architecture and system design skills

Roles and responsibilities

Passion for delivering products end-to-end, from ideation to implementation

Good knowledge of data structures and their use cases (Map, List, Tuple, Object, Interface)

Ability to write using node.js to quickly do a PoC.

Good to have knowledge of Reactjs.

Knowledge of encapsulation/inheritance

Basic knowledge of CSS and principle behind it and its use in javascript or jquery

Candidates willing to relocate to Middle East would be preferred

Webvio is urgently hiring for US Travel Sales Executives for the Kolkata Location.

**Exp candidates in International Sales can apply only**

Shift Timing:-US Shift(Night Shift)

Salary:- 18k-26k inhand+Incentives upto 2lakhs

Required Candidate profile

The candidate should be very good at English Communication Skills.

Should have minimum 2yrs of exp in International Sales

Should be comfortable with US Shift

Should be eager to earn Incentives

Perks and benefits

Salary on 1st of every month

Stable work life

👋🏼We're Nagarro.

We are a Digital Product Engineering company that is scaling in a big way! We build products, services, and experiences that inspire, excite, and delight. We work at scale across all devices and digital mediums, and our people exist everywhere in the world (18000+ experts across 33 countries, to be exact). Our work culture is dynamic and non-hierarchical. We are looking for great new colleagues. That is where you come in!

 REQUIREMENTS:

• Experience: 13-15 years
• Strong technical background with node.js, event loop understanding, unit testing, developing web application & APIs, event & stream, call-back & closures, promise, async/await, accessing file system, Optimization techniques
• understanding of different components such as web server, storages, integrations
• should have worked on designing and building server-side solutions (in any technology), build process of node.js, CI/CD process of node.js, multi-tasking (working on multiple things at same time)
• Good knowledge of functional and Object-Oriented Programming
• Implementing effective security protocols, data protection measures, and storage solutions.
• Running diagnostic tests, repairing defects, and providing technical support.
• Recommending and implementing improvements to processes and technologies.
• Keeping informed of advancements in the field of Node.js development.
• Familiarity with Azure pipeline
• Should have experience in Identifying software application weaknesses and target areas and sketching out ideas for automated software test procedures. Reviewing software bug reports and highlighting problem areas.
• Knowledge of high-quality professional software engineering practices for agile software development cycle, including coding standards, code reviews, source control management, build processes, testing, and deployment.
• Fundamental knowledge of design patterns
• Experience in communicating effectively with users, other technical teams, and management to collect requirements, describe software product features, and technical designs.
• Mentoring the team members to meet the client's needs and holding them accountable for high standards of delivery.
• Being able to understand and relate technology integration scenarios and be able to apply these learnings in complex troubleshooting scenarios.

  RESPONSIBILITIES:

• Writing and reviewing great quality code
• Understanding functional requirements thoroughly and analysing the client’s needs in the context of the project
• Envisioning the overall solution for defined functional and non-functional requirements, and being able to define technologies, patterns, and frameworks to realize it.
• Determining and implementing design methodologies and tool sets
• Enabling application development by coordinating requirements, schedules, and activities.
• Being able to lead/support UAT and production roll outs.
• Creating, understanding, and validating WBS and estimated effort for given module/task, and being able to justify it.
• Addressing issues promptly, responding positively to setbacks and challenges with a mindset of continuous improvement
• Giving constructive feedback to the team members and setting clear expectations.
• Helping the team in troubleshooting and resolving of complex bugs
• Coming up with solutions to any issue that is raised during code/design review and being able to justify the decision taken.
• Carrying out POCs to make sure that suggested design/technologies meet the requirements.