11+ API QA Jobs in Kolkata | API QA Job openings in Kolkata

We are looking for a professional in Quality Assurance to join our team.

In this role, you will be responsible for designing and implementing test plans to improve the usability of our products

The QA Tester works with the development team and other QAs to test software functionality, identify errors, and troubleshoot any issues with the software code.

Apply now for the role of QA (Software Tester) at Codebuddy, which is opening doors for skilled, energetic individuals looking to grow exponentially in their careers.

A successful QA (Software Tester) should be hard-working, have a strong working knowledge of software code and testing methodologies, and be a team player.

Responsibilities:

• Designing test plans, scenarios, scripts, and procedures.
• Executing tests on source code.
• Analyzing test results and reporting to the development team.
• Working with the development team to correct bugs and errors.
• Performing routine inspections and quality tests.
• Preparing and implementing quality assurance policies and procedures.
• Identifying and resolving workflow and production issues.
• Ensuring that standards and safety regulations are observed.
• Addressing and discussing issues and proposed solutions with superiors.
• Documenting quality assurance activities and creating audit reports.
• Making recommendations for improvement.
• Creating training materials and operating manuals.

When You Need To Apply (Technical Competency) :

• A Bachelor’s degree in Computer Science, Engineering, or a related field.
• Minimum 3 years experience in QA testing.
• Should have experience or knowledge in Automation testing
• Good working knowledge of test management software, programming languages, and QA methodologies.
• Familiarity with Agile frameworks and regression testing is a plus.
• Ability to document and troubleshoot errors
• Good teamwork and critical thinking skills.
• Excellent data collection and analysis skills.
• Strong attention to detail.

Designation: Automation & IoT Engineer (Water Treatment)

Location: Kolkata

Experience: 5–7 years

Working Days & Hours: 6 days a week | 10:00 AM – 6:30 PM

Industry Focus:

⚡ Water Treatment Industry Only

Key Responsibilities:

• Design, implement, and maintain automation systems (SCADA, PLC, HMI) tailored for water 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 cybersecurity 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.

Must-Have Skills:

• SCADA, PLC, HMI expertise
• IoT and real-time monitoring integration
• Combination of Automation, Instrumentation & IoT experience

Candidate Profile:

• Minimum 5–7 years of experience
• Kolkata-based only
• Prior experience in Water Treatment Industry mandatory

1. Proven success in cold outreach and closing high-value deals.

2. Conduct cold calls, emails, and social outreach (LinkedIn, Twitter) to identify potential clients.

3. Moderate grasp of digital marketing (SEO, PPC, social media, web development).

4. Excellent negotiation, communication, and presentation skills.

5. Proficiency in CRM tools (Zoho, hubspot etc..) and video conferencing (Zoom, Teams).

6. Research international markets to target decision-makers in need of digital solutions (SEO, PPC, web design).

7. Negotiate contracts and close deals independently, ensuring alignment with client goals.

8. Manage the full sales cycle from initial contact to signed agreements. 9. Meet or exceed monthly/quarterly sales quotas.

10. Conduct follow-ups to ensure client satisfaction and identify upsell

Job Summary:

We are looking for a highly skilled and experienced .NET Full Stack Developer to join our growing engineering team. The ideal candidate will have strong experience in developing scalable web applications using .NET Core and Angular. You will be involved in designing, developing, testing, and maintaining robust solutions in a collaborative and fast-paced environment.

Key Responsibilities:

• Design, develop, and maintain web applications using .NET Core, ASP.NET, and C#
• Build responsive and interactive frontend interfaces using Angular
• Write clean, scalable, and maintainable code adhering to coding standards and best practices
• Collaborate with cross-functional teams including product managers, designers, and QA to define and deliver new features
• Participate in code reviews, system design discussions, and team planning activities
• Troubleshoot and debug applications to ensure high performance and responsiveness
• Ensure secure coding practices and optimize application for maximum speed and scalability

Must-Have Skills:

• 4+ years of hands-on experience with .NET, .NET Core, and C#
• Strong frontend development skills using Angular (v8 and above)
• Proficiency in writing RESTful APIs and integrating backend services
• Solid understanding of object-oriented programming and design patterns
• Experience with version control systems like Git
• Familiarity with SQL Server or any relational database

Preferred Skills:

• Experience with Agile/Scrum development methodologies
• Knowledge of CI/CD tools and processes
• Familiarity with cloud platforms like Azure or AWS

Job Description:

We are looking for a React JS or React Native Developer to join our team.

In this role, you will be entrusted with developing JavaScript applications using React.js or React Native.

Apply now for the role of a React.js or React Native Developer at Codebuddy, which is opening doors for skilled, energetic developers looking for MERN Stack Developer Jobs.

If you can help us design and create multiple layers of applications while working cross-functionally across different infrastructures. You would fit perfectly if you love problem-solving, design, and creating quality offerings.

Responsibilities:

• Developing existing programs by analyzing user requirements and identifying areas for modification by R&D followed by coding.
• Develop UI in HTML, CSS, and JS and integration with the backend using REST API.
• Translate storyboards and various use cases to create high-performing apps.
• Write, execute, and maintain clean, reusable, and scalable code.
• Integrate our various data storage solutions.
• Ensure responsiveness and boost the performance of our apps.
• Find and address the various bottlenecks and bug-fixes.
• Work on JavaScript/Typescript using React Native/React, Redux & Node.js.
• Help in code automatization.

What You Need To Apply(Technical Competency):

• Good knowledge of JavaScript, React, API.
• Knowledge of JavaScript Stack / Framework.
• Knowledge of Object-Oriented Programming
• Ability to document their code.
• Understanding accessibility and security compliance.
• Good knowledge of GIT
• Ability to multitask and work in a fast-paced environment.
• Self-motivated with the ability to work independently or jointly in a self-directed way.
• Demonstrated successful development of web or mobile-based applications
• Proven analytical and problem-solving capabilities
• Keen attention to detail
• Strong work ethic and desire to build industry-leading products
• Proactive instead of reactive
• Looking for ways to improve self and projects.

Interpersonal skills:

• Must be comfortable working in a team and independently when required.
• Must be disciplined, proactive and self-motivated.
• Needs to have problem-solving and analytical skills.

If you have it all in you, we are happy to have you with us!

Primary Skills – SDA, DNAC, Cisco ISE, Routing and switching and Troubleshooting NAC, 802.1x, Supplicant configuration, 

Switching Skills- IOS upgrade, SNMP, VLAN, STP, VSL

Routing Skills-OSPF, BGP, ISIS

Network Monitoring Tools- Cisco Prime (Integration, monitoring, and troubleshooting)

1. Must have hands on experience in Implementing NAC,802.1x (Wired & Wireless)
2. Strong knowledge on CAMPUS LAN Architecture and implementation
3. Hands on experience in Routing, Switching, Cisco SDA, DNAC, Cisco ISE, Assurance
4. Working experience in Cisco prime infra, Monitoring, Integration and Heat map generation
5. Should have detailed technical understanding, troubleshooting of STP protocols (STP, PVST, RSTP, MSTP)
6. Perform IOS upgrades on Switches and WLCs
7. Troubleshoot skills on Quality of Service, Multicast and HSRP, Dot1x protocols, IPSLA
8. Troubleshooting skills on Cisco VSS, VSL and stacking technologies 
9. Should have detailed technical understanding, troubleshooting and support of, Routing protocols (OSPF, BGP), MPLS in an enterprise environment.
10. Perform root cause and troubleshoot network outages
11. Should be proficient in Wireless technology, implementation, and troubleshooting
12. Deliver reports on the actions performed.
13. Hands-on experience with the networking products Like Cisco 6800, 9500,9400,9300, 3800, 2960x and 3650 switches. Juniper EX8200,EX4200,EX3300 and EX2200 switches
14. Strong ability to troubleshoot complex network issues and Identify, diagnose, and resolve different types of network problems.

Secondary Skills –

1. CCNP Certification
2. Project Management: Managing individual network projects within the scope of the Network Team
3. Excellent technical and business communication skills, both oral and written

Hi All,

We are hiring for an ASP.NET DEVELOPER

Experience: Minimum 01years

Work from Office ( Location-- Kolkata)

Sunday Off

Working days and hours Monday - Saturday (11:00 AM - 07:00 PM)

Desired Skills:-

1. Analytical mind with a problem-solving aptitude

2. Ability to work independently

3. Strong Knowledge of selected frameworks and libraries (ASP.net, C#, HTML, CSS, Bootstrap, SQL Server)

Desired Technology

1. ADO.NET

2.SQL QUERY, SP, TIGGER

3.ASP.NET

4. CRYSTAL REPORT

5. RDLC REPORT

6. MVC 5

7. JQUERY

8. BOOTSTRAP

9. WEB API 2.0

Expertise in developing SAPUI5 applications using ADT(Eclipse)/Web IDE, JQuery, Java Script,XML,HTML5 & CSS3 And consuming the data by using Net weaver gateway services

• Expertise in developing NetWeaver gateway services(SEGW)

• Expertise in Integrating Gateway OData/JSON services with UI5 Apps, System Landscape, Architecture, SSO, Security Set Up and Gateway Configuration

• Fiori Package Configuration on SAP Gateway & Backend ECC App Configuration

• Customization & Extension of Fiori Apps

• Drive the System Landscape, Architecture, Security, Users Set Up

• Configure Gateway & Fiori Infrastructure (with support from Basis Team)

• Fiori App Configuration ( SAP Gateway & S/4HANA System)

• Work with Functional and Technical Resources in Setting up the S/4HANA Backend

• Set User Roles, Profiles, Apply Notes & Fixes in ABAP Systems

• Roll out Apps to Business Users for Testing

• Expertise in coding for consuming data for UI5 Apps through Netweaver Gateway OData/JSON services.

• Expertise in extending OData service/OData models

• Expertise in customizing/Extending the standard Fiori Apps

• Expertise in creating HANA Schemas, Packages, Attribute Views, Analytical Views, Calculation Views with HANA LIVE, Attribute mapping, creation of calculated measures, Calculated attributes, Input parameters, Variables, Restricted measures, Constant columns, Currency Unit conversion, stored procedures and maintaining analytical privileges, and involved in Data Provisioning using SLT and BODS(data services) meta data import. Involved in Export/Import of models, validations.

• Expertise in using AMDP, CDS views, ADBC, External views

Skills and requirements

• Experience analyzing complex and varied data in a commercial or academic setting.
• Desire to solve new and complex problems every day.
• Excellent ability to communicate scientific results to both technical and non-technical team members.

Desirable

• A degree in a numerically focused discipline such as, Maths, Physics, Chemistry, Engineering or Biological Sciences..
• Hands on experience on Python, Pyspark, SQL
• Hands on experience on building End to End Data Pipelines.
• Hands on Experience on Azure Data Factory, Azure Data Bricks, Data Lake - added advantage
• Hands on Experience in building data pipelines.
• Experience with Bigdata Tools, Hadoop, Hive, Sqoop, Spark, SparkSQL
• Experience with SQL or NoSQL databases for the purposes of data retrieval and management.
• Experience in data warehousing and business intelligence tools, techniques and technology, as well as experience in diving deep on data analysis or technical issues to come up with effective solutions.
• BS degree in math, statistics, computer science or equivalent technical field.
• Experience in data mining structured and unstructured data (SQL, ETL, data warehouse, Machine Learning etc.) in a business environment with large-scale, complex data sets.
• Proven ability to look at solutions in unconventional ways. Sees opportunities to innovate and can lead the way.
• Willing to learn and work on Data Science, ML, AI.

Desired Candidate Profile

• A Master’s degree in business administration (MBA), Marketing
• Minimum 16 to 22 yrs of Sales experience in paper industry
• Excellent verbal and written communication skills
• Willingness to travel regularly to different markets
• Proficiency with Microsoft office
• Strong analytical skills and ability to work well with little supervision