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6-9 Years
SGD 7,000 - 8,500 per month
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Job Description

Below are the key skillsets required for the role:

Core Requirements

• 5 to 8 years of experience in software quality engineering, test engineering or a similar hands on role covering complex applications.

• Strong experience testing web user interfaces, backend services and REST APIs.

• Hands on ability with API tools and automation frameworks such as Postman, REST Assured, pytest, Playwright, Cypress, Selenium or equivalent.

• Working knowledge of Java, Python, JavaScript or TypeScript sufficient to build, review and troubleshoot test automation.

• Strong test analysis skills, including requirements review, risk assessment, boundary analysis, negative testing and traceability.

• Experience validating distributed systems and integrations, including asynchronous processing, queues, batch jobs and downstream dependencies.

• Ability to inspect logs, traces, network calls, payloads and database records to identify the actual failure point.

• Experience with Git, pull requests, CI/CD pipelines, test reporting and defect management tools.

• Understanding of security and privacy testing fundamentals, including access control, sensitive data handling, input validation and auditability.

• Strong stakeholder communication and the confidence to challenge weak designs, vague expected outcomes and premature release decisions.

• Ability to work in a fast moving environment where requirements and GenAI behaviour evolve.

Solution analysis and design expectations

• Experience analysing complex applications across user journeys, business processes, APIs, data flows and enterprise integrations.

• Ability to facilitate requirements discussions and convert ambiguous business needs into clear functional requirements, acceptance criteria and solution behaviours.

• Experience producing practical analysis artefacts such as process flows, sequence diagrams, context diagrams, interface specifications, decision tables and user stories.

• Ability to analyse solution alternatives and explain tradeoffs involving quality, cost, performance, security, operational support and delivery complexity.

• Understanding of application architecture concepts including synchronous and asynchronous integrations, event flows, authentication, authorisation, failure handling and system boundaries.

• Ability to distinguish problems that require GenAI from those better addressed through deterministic rules, search, workflow automation or conventional application logic.

• Confidence working with product, architecture, engineering, security, data and business stakeholders during discovery and solution design.

GenAI and Agentic Testing Expectations

• Practical understanding of LLM based applications, retrieval augmented generation, prompts, context windows, embeddings and tool using agents.

• Ability to test probabilistic systems using evaluation datasets, repeat runs, quality thresholds and evidence based acceptance criteria rather than brittle exact text matching.

• Experience validating grounded answers, citations, retrieval quality, hallucination risk, prompt injection resistance and safe handling of restricted or unsupported requests.

• Ability to test agent plans and execution paths, tool calls, memory and state, human approval checkpoints, fallback behaviour and termination conditions.

• Awareness of evaluation and observability tooling such as Langfuse, LangSmith, OpenTelemetry, Elastic, Splunk or equivalent.

Nice to Have

• Experience testing applications in banking, finance or another regulated enterprise environment.

• Experience with contract testing, service virtualisation, synthetic monitoring or performance testing tools.

• Experience with Kubernetes, OpenShift, AWS hosted services or containerised deployments.

• Accessibility testing experience and familiarity with WCAG based checks.

• Experience building lean quality dashboards that show release risk, defect escape patterns, flaky tests and cycle time.

• Exposure to red teaming or adversarial testing of GenAI applications.

Key Domain/ Technical Skills:

(Indicate up to 3 areas)

• UI and API Quality Engineering

• Agentic and GenAI Application Testing

• Risk Based Test Automation and Observability

More Info

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Key Skills

About Company

About Optimum Solutions, Singapore
www.theoptimum.net
Optimum Solutions (Registration Number: 199700895N) is Singapore's leading Information Technology , Consulting and Professional Services company with Competence in Digital Transformation, Automation, Robotics, Cloud,Big Data, Analytics and Emerging technologies projects. Optimum has been successfully delivering IT projects since 1997 and has been a key IT service provider to clients delivering Software Design, Development, Engineering and IT Transformation Projects.