Senior Tester (Java / SQL / MCP Server / AI-Enabled Applications)

Trigyn Technologies Limited; City of Albany (NY); On-site; USD 90,000 - 120,000; Full time

Job summary

Trigyn Technologies, Inc. is seeking a Senior Tester in Albany, NY, to perform functional, integration, API, microservice, AI-tool, and MCP validation for reliable data exchange.

The role involves developing test scenarios for an AI-enabled UI Job Assist Tool, testing REST APIs and Java microservices, validating MCP interactions, and ensuring data integrity across systems. Collaboration with cross-functional teams and knowledge transfer to State staff will be part of the role.

Qualifications

• 5+ years of experience in functional, integration, regression, and end-to-end testing of enterprise web applications and distributed systems.
• 3+ years testing REST APIs and microservices, including payloads, schemas, authentication, error handling, and data validation.
• 12 months testing AI-enabled applications or integrations and MCP servers/clients/tools.
• Experience with Java-based enterprise applications and SQL data validation.

Responsibilities

• Develop and execute functional and integration test scenarios for the Al-enabled UI Job Assist Tool.
• Test REST APIs and Java microservices used to exchange data between the core UI system and the Job Assist Tool.
• Validate MCP servers, including server/client interactions and error-path behavior.
• Execute positive, negative, boundary, regression, and end-to-end tests across APIs, microservices, MCP components, and AI integrations.
• Create and maintain test cases, test data, traceability, and defect documentation.

Skills

Functional testing

Automation testing

Manual testing

API testing

SQL validation

Documentation

Independent work

Education

Advanced degree

Tools

Postman

SoapUI

JMeter

Job description

Trigyn's direct government client has an immediate need for Senior Tester in Albany, NY.

Description

The Senior Tester will perform functional, integration, API, microservice, AI-tool, and MCP validation to ensure reliable and secure read/write data exchange.

• Develop and execute functional and integration test scenarios for the Al-enabled UI Job Assist Tool.
• Test read/write REST APIs and Java microservices used to exchange data between the core UI system and the Job Assist Tool.
• Perform Model Context Protocol (MCP) validation, including server/client interactions, tool invocation, request/response handling, and error conditions.
• Validate business rules and data-integrity controls designed to prevent corrupt or unapproved Al-generated data from being written back to the UI system.
• Execute positive, negative, boundary, regression, and end-to-end tests across APIs, microservices, MCP components, and Al integrations.
• Create and maintain test cases, test data, traceability, defect documentation, and test execution results.
• Use API testing tools to validate REST endpoints, payloads, schemas, authentication, error handling, and response behavior.
• Query backend data stores as needed to confirm accurate processing and persistence of data.
• Collaborate with Programmers, Data Architects, Cloud Engineers, vendor technical teams, and business SMEs to investigate defects and clarify expected behavior.
• Support performance and scalability testing for workloads associated with approximately 1,500 concurrent users and document-heavy processing.
• Validate security-sensitive integration behavior in a regulated UI environment and support knowledge transfer to State staff.

Mandatory Qualifications

• Conducts automated and manual tests to ensure that the software created/upgraded performs as necessary and meets the user requirements.
• Develops and maintains user and technical documentation and project process documentation for application teams.
• Understands the view of applications and/or technology and is able to put procedures in a logical sequence.
• Candidate is able to work independently, without assistance and provides guidance to others. May have an advanced education.
• 60 months of experience performing functional, integration, regression, and end-to-end testing of enterprise web applications and distributed systems.
• 36 months of experience testing REST APIs and microservices, including request/response payloads, schemas, authentication, error handling, and backend data validation.
• 36 months of experience testing Java-based enterprise applications or services and using SQL to validate backend processing and data integrity.
• 12 months experience testing or validating AI-enabled applications or integrations, including functional validation of AI outputs and data exchanged with systems of record.
• 12 months experience validating Model Context Protocol (MCP) servers, clients, tools, or integrations, including expected and error-path behavior.
• 24 months experience using API/service testing tools such as Postman, SoapUI, JMeter, or comparable tools.
• 24 months experience creating test plans, test cases, traceability, defect documentation, and test execution summaries in an Agile delivery environment.

TRIGYN TECHNOLOGIES, INC. is an EQUAL OPPORTUNITY EMPLOYER and has been in business for 35 years. TRIGYN is an ISO 27001:2022 and CMMI Level 5 certified company.