Senior Quantexa Data Engineer

Added 24/08/2026

Senior Data Engineer (Quantexa) Location: London (Hybrid, 2 days in Office per week)Duration: 6 months + Rate: Up to £650 per day (Inside IR35)Opus have partnered with a Globally Renowned Data & AI consultancy who're searching for a Quantexa contractor to help with the delivery of market-leading big data driven transformation programmes. You'll be joining a high-performing team led by experienced data and AI practitioners who work across solution architecture, advanced analytics, cloud transformation, and multi-million-pound client engagements.Key Responsibilities:Design and build scalable big data pipelines using Quantexa Develop and optimise ETL/ELT processes for high-volume, complex datasets.Deliver entity resolution and network...

AI Engineer (RAG + KnowledgeGraph)

Added 21/08/2026

I'm looking for an experienced Agentic AI Engineer to join a pioneering team building next-generation AI solutions. You'll work on cutting-edge projects involving LLMs, Neo4j, Knowledge Graphs, GraphRAG, and AI Agents, helping unlock greater context, reasoning, and automation from their data. Key Responsibilities:Design and develop Agentic AI applications and workflowsBuild and optimise Knowledge Graphs using Neo4jDevelop GraphRAG and semantic search solutionsIntegrate LLMs with enterprise data sourcesWork closely with engineering and data teams to deliver production-ready AI systemsRequired Skills:Strong Python development experienceHands-on experience with Neo4j and Knowledge GraphsExperience with LLMs, RAG, or GraphRAG architecturesUnderstanding of AI agents and autonomous workflowsCloud experience...

SC Cleared DevOps Engineer - 1 Day a month onsite in Leeds

Added 21/08/2026

Start Date: ASAP (subject to SC clearance transfer) Clearance: Active SC Clearance required Overview We are seeking an experienced AWS Cloud & Platform Engineer to design, build, and support secure cloud infrastructure, CI/CD pipelines, and enterprise data platforms within a highly secure environment. Key ResponsibilitiesDesign, deploy, and maintain secure AWS infrastructure and networking services.Build and manage CI/CD pipelines and Infrastructure as Code using Terraform, GitLab CI, and GitHub.Support big data platforms using Hadoop, Hive, Spark, EMR, Athena, and Redshift.Implement monitoring, logging, security, and compliance controls across cloud environments.Drive automation, containerisation, and platform resilience using Kubernetes, Python, and DevOps best practices.Essential...

QA Engineer | Reading/Hybrid | £50,000 - £65,000 |

Added 21/08/2026

QA Engineer | Reading/Hybrid | £50,000 - £65,000 | Manual Testing | Automation Testing | Quality Assurance | Linux | SQL | Java | Selenium | Playwright | Are you a Manual tester looking to get more into Automation?Looking to join a company where you will be working on systems that actually help people?I am supporting a brilliant SaaS company that uses technology in the healthcare sector to make life easier for medical professionals and patients.They’re looking for a solid QA Engineer with Manual skills especially with SQL and  bit of Automation to come on board as they grow their...

SC Cleared DevOps Engineer- Must have SC to apply

Added 20/08/2026

SC cleared DevOps Engineer | 3 days onsite Newcastle | £500 InsideIR35 | 6 months initial contract Key requirements:- 5+ years of DevOps experience - Knowledge of implementing CI/CD pipeline processes for various different environments- Strong proficiency in scripting languages such as python, shell script, perl etc- Must have implemented and good understanding of CI pipeline fragments/continuous development- Strong experience in creating Infrastructure as Code using Terraform, CDK, Packer, Ansible.- Strong understanding of Git, branching strategies, configuration of Gitlab runnersMUST have SC clearance to apply- Urgent requirementSC cleared DevOps Engineer | 3 days onsite Newcastle | £500 InsideIR35 | 6...

SC Cleared Data Engineer - Informatica PowerCentre

Added 13/08/2026

Data Engineer (Informatica Powercentre) / Inside IR35/ Remote/ 12 Month Contract / £500/day - £600/day New Contract Role Data Engineer £500-600 Inside ir35 Remote SC Clearance Required 6 Months contract Must-Have Skills & ExperienceStrong hands-on experience with Informatica PowerCentre (v10.6 preferred)Extensive experience working with Oracle databases (SQL & PL/SQL)Proficiency in UNIX/Linux shell scriptingProven experience working in Data Warehouse / ETL environmentsExperience in data integration, transformation, and performance tuningStrong understanding of ETL frameworks, data pipelines, and batch processingDesirable SkillsWorking knowledge of SAS(especially in ETL context)Experience in migrating SAS workloads to Informatica ETLsFamiliarity with data modelling (dimensional modelling / star schema)Exposure to...

QA Engineer- Selenium Experience

Added 13/08/2026

Software QA Engineer | 6 Month contract | 400-475 InsideIR35 | On site 2 days per week Swindon or London   Key requirements:   Building a test automation framework from scratch, including architecture decisions, setup, and ongoing maintenanceJava for test automation, with the ability to write clean, reusable, and maintainable test codeProven ability to clearly explain the design approach and technology choices used when creating an automation framework (e.g. Java, Selenium, Cucumber)Solid experience implementing BDD frameworks using Cucumber, including feature writing, step definitions, and automation best practicesIf this sounds like you please reply with your most up to date CV.    Unfortunately this...

Forward Deployed Engineer

Added 12/08/2026

We're partnering with a fast-growing AI and technology business in London seeking a Forward Deployed Engineer to work directly with enterprise clients, solving complex business problems through cutting-edge technology solutions. Key Responsibilities:Gather and translate client requirements into technical solutions.Build and deploy AI, data, and software solutions.Lead technical workshops and stakeholder engagement.Work closely with engineering and product teams.Support integrations, implementations, and client adoption.RequirementsStrong experience with Python.Experience working directly with customers or stakeholders.Knowledge of Azure, AWS, or GCP.Strong problem-solving and communication skills.Experience with AI or Data platforms is highly desirable.This is a hybrid role therefore right to work for the UK is...