Ai/ml engineer Work, Jobs in Sheffield, Eng (with Salaries)

Qualtiy Assurance Engineer- AI Products
Xpansiv —Sheffield
- £60,000 - £70,000 a year
- Full-time
- Master's degree
- Analysis skills
- Quality control
1d
Senior Developer
Home Office —Sheffield
- £62,732 - £69,006 a year
- Part-time
- Presentation skills
- Annual leave
9d
Senior Full Stack Developer
HSBC Global Services Limited —Sheffield
- Full-time
- Master's degree
- Machine learning
- AI
2d
Overseas Contractor
LTM —Sheffield
- Full-time
- Machine learning
- APIs
- AI
Quick apply
Data Architect
Methods Business and Digital Technology —Sheffield
- Full-time
- Hybrid work
- Azure
- Travel
- Mentoring
- Annual leave
- Employee assistance programme
Quick apply

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Senior Developer
Home Office —Sheffield
We are unable to sponsor any individuals via Skilled Worker Sponsorship / Tier 2 (General) work visas as we do not hold a UK Visa & Immigration (UKVI) Skilled…
£62,732 - £69,006 a year
9d
Software Developer
Magnavale Ltd —Chesterfield
*Database knowledge* — experience with schema design, queries, or data integrity, ranging from working familiarity with SQL to specialist-level expertise.
£24,000 - £48,000 a year
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Qualtiy Assurance Engineer- AI Products

Xpansiv -
Sheffield

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Job details

Full-time
£60,000 - £70,000 a year
1 day ago

Qualifications

Non-conformance investigation
Law
Stakeholder collaboration
Project quality assurance
Git
Performance testing
Master's degree
Functional testing
Microservices
SoapUI
Analysis skills
Software quality assurance
Quality control
Scripting
Multidisciplinary collaboration
AI
Communication skills
Functional quality control testing

Full job description

Xpansiv is the leading infrastructure provider for the energy transition markets.

Our comprehensive platform includes registries, online marketplaces, market execution services, wholesale power solutions, and market data for energy and environmental commodity markets. Trusted worldwide, Xpansiv enables stakeholders to deliver transparent, credible, and auditable environmental claims to address the growing global demand for assurance and accountability on climate action and sustainability performance.

From our founding in 2009 through more than 10 acquisitions, Xpansiv has become a global leader in environmental commodity markets. We are backed by Blackstone and other leading investors.

Position Summary:

Seeking a QA AI Engineer to perform testing and quality assurance for systems, applications, and AI-enabled products developed by Xpansiv. This role is responsible for ensuring the quality, reliability, accuracy, and safety of Xpansiv’s AI-driven products and proprietary LLM infrastructure. The QA AI Engineer will create test plans, document and execute test cases, build automated and semi-automated evaluation frameworks, and validate both deterministic software behavior and non-deterministic AI outputs. This role works closely with AI Engineering, Product, Operations, Engineering, business analysts, business owners, and subject matter experts to build quality into AI products from the start and provide the human-in-the-loop assurance required by Xpansiv’s AI governance standards.

Key Responsibilities:

Create test plans for AI-powered and traditional software applications, including manual testing, automated testing, performance testing, regression testing, security testing, and end-to-end testing

Formulate and document test cases based on product requirements, user stories, acceptance criteria, AI governance standards, and business workflow expectations

Execute test cases through targeted manual testing, automated testing, exploratory testing, and AI-specific evaluation methods

Design, build, and maintain evaluation pipelines for AI-powered applications across Xpansiv business lines

Develop evaluation datasets, golden sets, and scenario suites that measure accuracy, consistency, structured-output quality, policy adherence, and business-rule compliance of LLM outputs

Detect, document, and reproduce AI-specific failure modes, including hallucinations, prompt injection, inconsistent outputs, formatting errors, data leakage, bias, unsafe responses, and model or prompt-update regressions

Build automated and semi-automated AI evaluation frameworks, including model-graded assertions, regression harnesses, prompt test suites, and quality scorecards, alongside traditional QA automation

Validate microservices, APIs, data extraction workflows, document-processing pipelines, RAG-based systems, agents, and structured-output generation for business-critical use cases

Perform functional, end-to-end, cross-browser, regression, security, performance, API, and integration testing as needed for AI-enabled and non-AI system components

Own quality gates and go/no-go readiness criteria for pilots, beta launches, production go-lives, and post-release model or prompt updates

Establish and track quality KPIs, including test coverage, pass rates, defect density, escaped-defect rate, AI accuracy metrics, hallucination rate, evaluation-score trends, and release readiness

Partner with AI Engineering to embed testing, monitoring, observability, evaluation, and quality controls into the AI development lifecycle

Conduct safety, bias, adversarial, and red-team testing to support responsible and compliant AI behavior aligned to Xpansiv’s AI Usage Standard

Work with developers, product managers, business analysts, business owners, and subject matter experts to review identified defects, provide clarifications, validate fixes, discuss solutions, and continuously improve AI accuracy and reliability

Support human-in-the-loop review requirements for high-risk client, financial, regulatory, and operational workflows

Qualifications:

10+ years of experience in software quality assurance, including both manual and automated testing

Experience creating test plans, documenting test cases, executing test cases, validating defects, and supporting release-readiness decisions across multiple projects

Experience with functional testing, end-to-end testing, cross-browser testing, regression testing, security testing, performance testing, API testing, and integration testing

Experience testing or evaluating AI, ML, or LLM-powered systems, such as chatbots, copilots, agents, classifiers, RAG applications, document-processing workflows, or decision-support tools

Familiarity with generative AI evaluation methods, including golden datasets, model-graded evaluations, prompt regression testing, hallucination detection, red-teaming, and quality-drift monitoring

Working knowledge of prompt engineering, Retrieval Augmented Generation, agent-based systems, structured outputs, and AI guardrails sufficient to test these systems effectively

Experience with automated software testing tools such as Cypress, Playwright, Selenium, Rest Assured, or similar frameworks

Experience testing microservices, APIs, and web services using tools such as Postman, SoapUI, Rest Assured, or similar API testing tools

Proficiency in at least one scripting or programming language used for test automation, data validation, or evaluation tooling

Experience with source version control tools such as Git

Experience working in agile software development process models

Experience interacting with developers, product managers, business analysts, business owners, and subject matter experts to review and validate test plans, test cases, test results, and defects

Understanding of AI governance, responsible AI principles, data-handling guardrails, privacy considerations, and human-in-the-loop review practices

Skills / Abilities:

Strong communication and collaboration skills with clients, developers, business analysts, product managers, business owners, management, and cross-functional stakeholders

Strong analytical, troubleshooting, and failure-mode thinking, with the ability to translate ambiguous requirements and AI behavior into concrete test scenarios

Exceptional attention to detail, time management, and documentation quality

Proven ability to work independently as a self-starter and collaboratively as part of a cross-functional team

Ability to quickly absorb business and technical concepts, including unfamiliar AI workflows, data flows, and domain-specific business rules

Proven ability to work calmly under tight deadlines, production-readiness pressure, or critical quality situations

Curiosity and sound judgment when evaluating emerging AI capabilities, limitations, risks, and quality tradeoffs

What can you expect throughout the interview process:

Step 1- Take-home assessment

Step 2- Recruiter screening

Step 3- Technical Interview with the team

Step 4- Key Stakeholder + Final hiring manager interview

Base Salary

Compensation for this role will vary among specific regions due to geographic differentials in the labor market, actual pay will be determined considering factors such as relevant skills and experience, knowledge, education and training. However, compensation range for this role is expected to be as follows:

£60,000-£70,000

Here at Xpansiv, we cultivate diversity, celebrate individuality, and believe unique perspectives are key to our collective success in building trust and transparency in global efforts toward net-zero future. Xpansiv is committed to equal employment opportunity regardless of race, color, religion, gender, sexual orientation, gender identity or expression, national origin, age, disability, genetic information, protected veteran status, or any status protected by applicable federal, state, or local law.

Note to Recruiters: Xpansiv does not accept unsolicited resumes or referrals from placement agencies, staffing vendors or other external parties seeking recruiting fees without a signed formal agreement.

Apply Now

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Qualtiy Assurance Engineer- AI Products

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