Immediate Joiners Preferred

Company: Global Financial Datafeeds LLP (GFDL)

Location: Location: Nashik / Mumbai / Remote

Position Overview

We are looking for a motivated and technically skilled API Technical Support Executive to join our team.

The role involves supporting clients and developers using our REST and WebSocket APIs, troubleshooting API and connectivity issues, analyzing logs and API responses, assisting with integrations, and working closely with internal Development, Data and Infrastructure teams.

The ideal candidate should have good programming and troubleshooting skills, strong communication abilities, and an interest in API technologies and real-time financial market data.

Key Responsibilities

1. API Technical Support

- Provide timely technical support to clients and developers using GFDL APIs.
- Troubleshoot REST API and WebSocket API issues.
- Analyze API requests, responses, error messages and logs.
- Investigate authentication, connectivity, subscription, data and response-related issues.
- Reproduce reported issues and identify possible root causes.
- Provide clear technical updates and resolution details to clients.
- Follow up on open issues until successful resolution and client confirmation.

2. API Integration Support

- Assist clients with integrating GFDL APIs into their applications.
- Understand client-side API implementation and identify integration issues.
- Provide code snippets and technical examples where required.
- Support API testing using tools such as Postman, Swagger or similar tools.
- Validate API responses and integration behaviour.
- Prepare and maintain API integration guides and documentation.

3. API & Data Validation

- Validate API responses against expected results.
- Investigate discrepancies in market data and API responses.
- Perform functional and regression testing of API features.
- Verify request parameters, response structures and data values.
- Assist in identifying data-flow or processing-related issues.

4. Troubleshooting & Root Cause Analysis

- Analyze application and server logs to identify the source of issues.
- Investigate API latency, timeout,



connection and session-related problems.
- Perform structured Root Cause Analysis (RCA).
- Coordinate with Development, Data and Infrastructure teams for complex issues.
- Escalate critical production issues with complete technical information.

5. Programming & Automation

- Use programming skills to develop small utilities, scripts and tools for troubleshooting and validation.
- Write scripts for API testing, response validation, log analysis and repetitive support activities.
- Work with languages such as Python, C#/.NET, JavaScript or Java.
- Automate repetitive support and validation tasks where appropriate.

6. API Performance & Reliability

- Monitor API behaviour and identify potential performance issues.
- Investigate response-time, connectivity and scalability-related problems.
- Assist development teams in identifying performance bottlenecks.
- Follow API security, reliability and data-handling best practices.

7. Client Communication

- Communicate professionally with clients through support channels.
- Understand and document client requirements and technical problems.
- Collect required information such as API requests, responses, symbols, timestamps and logs.
- Provide clear troubleshooting instructions and resolution updates.
- Gather client feedback and communicate recurring issues internally.

8. Documentation

- Create and maintain API troubleshooting guides.
- Maintain FAQs, integration documentation and technical knowledge bases.
- Document known issues, resolutions and common troubleshooting procedures.

Required Skills

- Bachelor's degree in Computer Science, Information Technology, Engineering or a related field.
- Good understanding of REST APIs and WebSocket APIs.
- Knowledge of HTTP/HTTPS, JSON, XML and API authentication.




- Good troubleshooting and analytical skills.
- Experience with API testing tools such as Postman / Swagger.
- Programming knowledge in at least one of:
- Python
- C# / .NET
- JavaScript
- Java
- Basic-to-good knowledge of SQL and databases.
- Ability to read and analyze application/server logs.
- Good understanding of networking concepts such as:
- TCP/IP
- DNS
- Ports
- SSL/TLS
- VPN
- Strong written and verbal communication skills.
- Ability to work independently as well as with cross-functional teams.
- Robust attention to detail and problem-solving ability.

- Good to Have

- Experience in API Technical Support / Application Support / Integration Support.
- Experience supporting production APIs.
- Knowledge of real-time or streaming data systems.
- Knowledge of financial market data / stock market APIs.
- Experience with Windows and Linux environments.
- Experience with API monitoring or API management platforms.
- Knowledge of performance testing and API automation.
- Experience handling client-facing technical support.

- What We Offer

- Hands-on experience with real-time financial market data.
- Exposure to REST and WebSocket API technologies.
- Experience with production-level technical troubleshooting.
- Opportunity to work with Development, Data and Infrastructure teams.
- Opportunity to build expertise in API Support, Integration and Automation.
- Career growth in API and financial technology.

Candidate Profile

We are looking for someone who can take ownership of a technical issue from:

Client Issue → Reproduce → Analyze → Troubleshoot → Root Cause → Coordinate → Resolve → Validate

Candidates who are technically curious, willing to learn and interested in APIs, programming, troubleshooting and financial technology are encouraged to apply.

How to Apply

Are you ready to build your expertise in API Technical Support, Integration, Automation, and real-time financial market data? Comment below, DM me directly, or send your updated resume to [email protected] with the subject line "Application: API Technical Support Executive - [Your Name]".

📌 API Technical Support Executive (Thane)
🏢 Global Datafeeds
📍 Thane