Senior Test Engineer - Automation Testing

D-Techworks

Gurugram, Haryana, INFull-timeSeniorPosted Jun 15, 2026

PostmanREST AssuredJMeterJavaSQL

Best fit for

This role is best for senior QA engineers or SDETs with hands-on experience in REST API testing, Postman / Newman, RestAssured, Java open to working from Gurugram, Haryana, IN.

Skills you need for this role

Detected from the job title, description, and tags.

API / backend testing

REST API testing — Almost every QA role now expects you to validate JSON contracts and status codes.
Postman / Newman — Standard tool for API exploration and shareable collections.
RestAssured — Common Java-first API automation library, often paired with TestNG.

Programming languages

Java — Dominant language for enterprise QA + Selenium/RestAssured stacks.
SQL — Data validation and back-office QA rely on solid SQL.

Domain & process

Performance testing (JMeter / k6 / LoadRunner) — Different discipline from functional QA — expect scenario and metrics questions.
Agile / Scrum — You'll be expected to describe how you fit QA into short iterations.
AI in testing — Employers increasingly ask how you use AI copilots to speed up QA work.

Job description

As a Senior Test Engineer, you will play a crucial role in designing and executing API and Integration test strategies. Your responsibilities will include developing and maintaining automation frameworks using Java & Rest Assured, performing performance testing using JMeter, and validating Salesforce integrations using SOQL queries. You will also be conducting backend validation using databases (SQL/NoSQL), identifying defects, debugging issues, and ensuring root cause analysis. Collaboration with developers, product owners, and stakeholders is essential, along with participation in Agile ceremonies such as standups, sprint planning, and retrospectives. Ensuring quality through early-stage validation (Shift-Left approach) and building intelligent and scalable API testing solutions are key aspects of this role. Key Responsibilities: - Design and execute API and Integration test strategies - Develop and maintain automation frameworks using Java & Rest Assured - Perform performance testing using JMeter - Validate Salesforce integrations using SOQL queries - Conduct backend validation using databases (SQL/NoSQL) - Identify defects, debug issues, and ensure root cause analysis - Collaborate with developers, product owners, and stakeholders - Participate in Agile ceremonies (standups, sprint planning, retrospectives) - Ensure quality through early-stage validation (Shift-Left approach) - Build intelligent and scalable API testing solutions Qualifications Required: - 5-8 years of QA experience with a strong focus on API & Integration Testing - Expertise in API Automation using Java + Rest Assured - Hands-on experience with JMeter for performance testing - Strong knowledge of Salesforce Sales Cloud & Service Cloud - Experience with SOQL queries for Salesforce data validation - Good understanding of JSON, XML, OAuth, authentication/authorization flows - Experience with API tools like Postman, Swagger - Strong experience with SQL/NoSQL databases - Debugging skills using tools like Postman, Fiddler, Charles, Splunk - Experience with AI-driven API validation techniques, including automated schema validation using LLMs, API response validation, intelligent API mocks & test data generation, identifying edge cases and anomalies in integrations - Strong understanding of Shift-Left Testing practices - Experience working in Agile/Scrum environments Additional Company Details: The company strongly values collaboration, innovation, and continuous improvement. They strive to create a dynamic and inclusive work environment where employees are encouraged to grow both personally and professionally. As a Senior Test Engineer, you will play a crucial role in designing and executing API and Integration test strategies. Your responsibilities will include developing and maintaining automation frameworks using Java & Rest Assured, performing performance testing using JMeter, and validating Salesforce integrations using SOQL queries. You will also be conducting backend validation using databases (SQL/NoSQL), identifying defects, debugging issues, and ensuring root cause analysis. Collaboration with developers, product owners, and stakeholders is essential, along with participation in Agile ceremonies such as standups, sprint planning, and retrospectives. Ensuring quality through early-stage validation (Shift-Left approach) and building intelligent and scalable API testing solutions are key aspects of this role. Key Responsibilities: - Design and execute API and Integration test strategies - Develop and maintain automation frameworks using Java & Rest Assured - Perform performance testing using JMeter - Validate Salesforce integrations using SOQL queries - Conduct backend validation using databases (SQL/NoSQL) - Identify defects, debug issues, and ensure root cause analysis - Collaborate with developers, product owners, and stakeholders - Participate in Agile ceremonies (standups, sprint planning, retrospectives) - Ensure quality through early-stage validation (Shift-Left approach) - Build intelligent and scalable API testing solutions Qualifications Required: - 5-8 years of QA experience with a strong focus on API & Integration Testing - Expertise in API Automation using Java + Rest Assured - Hands-on experience with JMeter for performance testing - Strong knowledge of Salesforce Sales Cloud & Service Cloud - Experience with SOQL queries for Salesforce data validation - Good understanding of JSON, XML, OAuth, authentication/authorization flows - Experience with API tools like Postman, Swagger - Strong experience with SQL/NoSQL databases - Debugging skills using tools like Postman, Fiddler, Charles, Splunk - Experience with AI-driven API validation techniques, including automated schema validation using LLMs, API response validation, intelligent API mocks & test data generation, identifying edge cases and anomalies in integrations - Strong understanding of Shift-Left Testing practices - Experience working in Agile/Scrum environments

Job highlights

•Role: Senior Test Engineer - Automation Testing
•Company: D-Techworks
•Location: Gurugram, Haryana, IN
•Type: Full-time
•Experience: Senior
•Seniority: Senior
•Posted: Jun 15, 2026

Key skills: Postman · REST Assured · JMeter · Java · SQL

How to prepare for this interview

A 5-step prep plan tailored to this job's stack.

1Refresh at least one automation framework (Selenium or Playwright) end-to-end — the interview will drill into it. Selenium interview questions →
2Practice API-testing scenarios — auth flows, contract validation, and running collections in CI. API testing Q&A →
3Warm up on SQL joins, group-bys, and window functions — most QA rounds include a data-validation query. SQL Q&A →
4Run a senior-level mock interview covering system design for test frameworks and CI strategy. AI Mock Interview →
5Run your CV through the ATS review so it clears keyword filters for this role before you apply. Resume ATS Review →

Likely interview questions for this role

Tuned to the stack we detected on this job.

Q1.How do you design a test suite for a REST API from an OpenAPI spec?
Q2.How do you handle authentication (OAuth / JWT) inside automated API tests?
Q3.How would you run a Postman collection inside a CI pipeline?
Q4.Write a SQL query to find duplicates across two columns and how you'd fix them in test data.
Q5.How do you design a load test scenario from a production traffic pattern?