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16 senior test analyst jobs found in London

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Outside Spy
May 12, 2026
Duration not stated
Lead CRO/Optimisation Analyst at Harnham - Data & Analytics Recruitment, London, £400-£500 per day
£400 - £500 per day
Outside Spy London, UK
Lead CRO / Optimisation Analyst Surrey/London, Outside IR35, 3 Month Contract, £x Day on Site This contract offers the chance to step into a senior optimisation role at a pivotal moment. You will set the experimentation direction, and bring renewed energy and rigour to a SaaS-first services team supporting high-profile digital clients. The Company They are a SaaS-led organisation with a dedicated optimisation and experimentation services function. The services team works closely with client technology teams to design, deliver, and analyse structured experimentation programmes. Following recent change, they are seeking a senior CRO consultant who can steady delivery while also raising standards and challenging existing ways of working. The Role and Deliverables Leading experimentation strategy and CRO roadmaps across a portfolio of clients. Driving ideation and hypothesis development with a strong focus on commercial impact....
Outside Spy
May 12, 2026
Duration not stated
Experimentation Analyst (Contract) at Harnham, London, £350-£400 per day
£350 - £400 per day
Outside Spy London, England, United Kingdom
Experimentation Analyst (Contract) Optimisation Agency London £350-£400 per day - Outside IR35 This is a high-impact freelance opportunity to step into a busy experimentation and optimisation services team that needs immediate support. You will play a key role in stabilising delivery, owning client roadmaps, and driving high-quality experimentation programmes during a period of change, with the opportunity to extend depending on how the engagement evolves. The Company They are a well-established digital optimisation and experimentation consultancy operating a services-led model alongside their own technology platform. The organisation works with a broad portfolio of clients across retail, travel, entertainment, public sector, and ecommerce. The services team partners closely with clients to improve digital experiences through structured experimentation and data-led decision making. The Role and Deliverables Owning day-to-day experimentation...
Outside Spy
May 12, 2026
Duration not stated
KDB Developer - Outside IR35 - Up to £800 per day at Hunter Bond, London Area, £800 per day
£800 per day
Outside Spy London Area, United Kingdom
KDB Developer - Outside IR35 Contract London, UK - Hybrid Working Up to £800 per day Long-Term Engagement on a Rolling Contract May Start Date Our client, a leader in the FinTech space are searching for a KDB Developer to add to their Client Engineering team! You'll be working alongside Software teams to develop, test and maintain all code for client applications. Responsibilities will include : Gather and translate business requirements into technical solutions for market data and analytics applications Design, develop, test and maintain kdb+ applications and supporting services Support full project delivery lifecycle, including debugging, optimisation and production support Perform data analysis and build reporting/analytics outputs for stakeholders Mentor junior developers and contribute to code quality, standards and team delivery Technical Skills needed : Hands-on experience with kdb+ and strong proficiency in q for time-series data...
Outside Spy
May 11, 2026
up to 6 Months
Senior Data Governance Analyst at Lorien, London, 3 Months, £Contract Rate
Outside Spy London, UK
Senior Data Governance Analyst London (3 days per week) | 6 Month Contract (Outside ir35) About the Role We're looking for an experienced Senior Data Governance Analyst to help shape and drive a data governance capability within a global technology organisation. This is a high-impact role where you'll play a key part in establishing frameworks, embedding best practices, and building a strong data-driven culture across the business. You'll work closely with senior stakeholders, including the Executive Data Sponsor , and collaborate across multiple business units to ensure data governance standards are clearly defined, understood, and implemented. About the Company Our client is a leading international organisation operating across events, intelligence, and specialist markets. With a global presence and a strong focus on digital transformation, they are investing heavily in technology and data to deliver innovative, scalable solutions and improve customer outcomes. Their...
Outside Spy
May 11, 2026
Duration not stated
Senior Data Governance Analyst at Lorien, London, £Negotiable Rate
Outside Spy London, UK
Senior Data Governance Analyst London (3 days per week) | 6 Month Contract (Outside ir35) About the Role We 're looking for an experienced Senior Data Governance Analyst to help shape and drive a data governance capability within a global technology organisation. This is a high-impact role where you 'll play a key part in establishing frameworks, embedding best practices, and building a strong data-driven culture across the business. You 'll work closely with senior stakeholders, including the Executive Data Sponsor , and collaborate across multiple business units to ensure data governance standards are clearly defined, understood, and implemented. About the Company Our client is a leading international organisation operating across events, intelligence, and specialist markets. With a global presence and a strong focus on digital transformation, they are investing heavily in technology and data to deliver innovative, scalable solutions and improve...
Outside Spy
May 11, 2026
6 Months or more
Front Office C# Risk developer - OUTSIDE IR35. Upto £750 a day. Remote at CipherTek Recruitment, London, 12 Months, £Contract Rate
Outside Spy Remote (London, UK)
Job Opportunity: Senior C# Quantitative Risk Developer | Capital Markets Technology Location: London Type: Full-time/Contract Rate: UPTO £750 p/d (Outside IR35) Client: Leading Global Investment Bank Hybrid: 1 day per week in the office Are you ready to be at the forefront of technology and finance? Our client, a top-tier investment bank, is looking for a Senior C# Quantitative Risk Developer to join their high-impact Capital Markets Technology team in London. This is a unique opportunity to bridge the worlds of quantitative analysis and software engineering-delivering cutting-edge solutions to drive pricing, risk management, and liquidity strategies in Real Time trading environments. About the Role As a Senior Quantitative Developer, you'll collaborate closely with quantitative analysts, traders, and fellow technologists to develop and optimize core components of the bank's pricing, risk and valuations infrastructure. You'll be responsible for translating complex...
Outside Spy
May 06, 2026
Duration not stated
Junior Data Engineer at Robert Half, London, £Negotiable Rate
Outside Spy London, UK
Robert Half Technology are assisting a global Pharmaceutical organisation to recruit a Junior Data Engineer on a 6 month contract basis - Hybrid Working (1 day per week onsite) - London based The Junior Data Engineer will You play a key role in turning data into actionable insights, supporting decision-making, and helping bridge the gap between technical teams and the wider business. Role The Junior Data Engineer will work closely with business stakeholders to understand data requirements and translate them into actionable insights Develop and maintain dashboards and reports using Power BI Extract, manipulate, and analyse data using SQL and Python Communicate findings clearly to non-technical audiences Support data validation, testing, and deployment processes across different environments (Development, Test, and Production) Collaborate with cross-functional teams to improve data quality and reporting processes Profile The Junior Data...
Outside Spy
May 05, 2026
up to 6 Months
SC Business Analyst (Modelling & Data Analysis) at Sanderson Government & Defence, London, 3 Months, £520-£550 per day
£520 - £550 per day
Outside Spy London, UK
SC Business Analyst (Modelling & Data Analysis) Day rate: Up to £550 per day Engagement: Contract - Outside IR35 Clearance required: SC + NPPV3 or CTC + NPPV2 (must already be held) Role overview We're looking for an experienced SC-cleared Business Analyst with a strong background in data analysis and modelling , complemented by some service or process design experience . This role supports complex, data-led change initiatives within secure government environments, enabling evidence-based decisions and well-structured outcomes. You'll work as part of a multidisciplinary team, collaborating with technical, design, policy and delivery colleagues to translate ambiguity into insight and actionable recommendations. Key responsibilities Lead and deliver business analysis across complex problem statements Develop analytical and quantitative models to support options analysis and decision making Analyse and interpret data sets to surface insights,...
Outside Spy
May 05, 2026
Duration not stated
Junior Data Analyst at Robert Half, London, £Negotiable Rate
Outside Spy London, UK
Robert Half Technology are assisting a global Pharmaceutical organisation to recruit a Junior Data Analyst on a 6 month contract basis - Hybrid Working (1 day per week onsite) - London based The Junior Data Analyst will You play a key role in turning data into actionable insights, supporting decision-making, and helping bridge the gap between technical teams and the wider business. Role The Junior Data Analyst will work closely with business stakeholders to understand data requirements and translate them into actionable insights Develop and maintain dashboards and reports using Power BI Extract, manipulate, and analyse data using SQL and Python Communicate findings clearly to non-technical audiences Support data validation, testing, and deployment processes across different environments (Development, Test, and Production) Collaborate with cross-functional teams to improve data quality and reporting processes Profile The Junior Data...
Outside Spy
May 12, 2026
Duration not stated
Information Assurance Consultant Outside IR35 Remote at Sanderson Government and Defence, City of London, £Contract Rate
Outside Spy Remote (City of London, London, UK)
Position: Information Assurance Consultant Location: Remote Daily Rate: £450 - £500 outside IR35 Clearance: UKSV SC Clearance Required We are supporting a specialist cyber security SME as they expand a central government delivery team, and we are seeking an Information Assurance Consultant with strong GovAssure and NCSC CAF experience. You will play a key role providing independent assurance, supporting senior stakeholders, and helping government departments understand, assess, and improve their cyber security maturity. The Role Working closely with delivery teams, risk owners, and senior accountable officers, you will: Deliver GovAssure-aligned assurance assessments Lead CAF evidence gathering, maturity scoring and reporting Provide pragmatic, actionable recommendations to improve security posture Support audit readiness and ongoing assurance activities Key Skills & Experience Strong experience delivering GovAssure and NCSC CAF-aligned assurance...
Outside Spy
May 12, 2026
6 Months or more
Information Assurance Consultant | Outside IR35 | Remote at Sanderson Government & Defence, City of London, 6 Months, £Contract Rate
Outside Spy Remote (City of London, UK)
Position: Information Assurance Consultant Location: Remote Daily Rate: £450 - £500 outside IR35 Clearance: UKSV SC Clearance Required We are supporting a specialist cyber security SME as they expand a central government delivery team, and we are seeking an Information Assurance Consultant with strong GovAssure and NCSC CAF experience. You will play a key role providing independent assurance, supporting senior stakeholders, and helping government departments understand, assess, and improve their cyber security maturity. The Role Working closely with delivery teams, risk owners, and senior accountable officers, you will: Deliver GovAssure-aligned assurance assessments Lead CAF evidence gathering, maturity scoring and reporting Provide pragmatic, actionable recommendations to improve security posture Support audit readiness and ongoing assurance activities Key Skills & Experience Strong experience delivering GovAssure and NCSC CAF-aligned assurance...
Outside Spy
May 08, 2026
Duration not stated
Finance Analyst (Projects / Transformation) at A2Dominion Group, Ealing, £Competitive Rate
Outside Spy Ealing, England, United Kingdom
Value For Money Analyst (Finance Analyst) Location: Ealing (Hybrid working, with some office attendance required) Day Rate: £Competitive (Outside IR35) Contract: Interim (12 months) Help shape how we deliver better value for our customers and communities Are you a data-driven finance professional who enjoys turning complex information into clear, actionable insight? Do you want to influence strategic decision-making and drive real performance improvement? If so, this could be the opportunity for you. We’re looking for a VFM Analyst to join our Finance Transformation team, working closely with senior stakeholders to build robust reporting, benchmarking, and performance insight capabilities to help the organisation understand cost, efficiency, and value. You’ll play a key role in helping us understand performance, identify efficiencies, and ensure we deliver the best possible value for our customers. Key Responsibilities: Build and maintain robust...
Outside Spy
May 11, 2026
Duration not stated
Reporting Engineer at Technical Staffing Resources Limited, Leatherhead, to £60 per hour
Outside Spy Leatherhead, UK
Technical Staffing Resources (TSR) are the in-house agency and master vendor for KBR who are a leading global engineering, construction, and services company. KBR support the hydrocarbon and government services markets on six continents. Serving their customers through diverse business units, KBR offer challenging assignments on some of the world's largest and most complex projects. We are seeking a  Reporting Engineer  for a 8-month assignment, based in Leatherhead, Surrey On Offer Competitive hourly pay rate Outside IR35 work engagement Working 3 days in the office, 2 days from home  NB . We can only consider candidates with the right to live and work in the UK Purpose of the Role Responsible for designing, implementing, and maintaining reporting systems that transform raw data into actionable insights for decision-making. Key Responsibilities Where applicable; Design and implement new tools and techniques to improve the quality and efficiency of...
Outside Spy
May 07, 2026
Duration not stated
Network Engineer - Cisco Catalyst SD WAN Engineer at Syntax Consultancy Ltd, Reading, £330 to £350 per Day
£330 - £350 per day
Outside Spy Reading, UK
Network Engineer - Cisco Catalyst SD-WAN Engineer ( vManage) £330-£350/ Day- Outside IR35 3-6 Months Contract Newbury / Remote   A Senior Cisco Catalyst SD-WAN Engineer with Cisco vManage dashboards and APIs experience is required.  Understanding of routing protocols (BGP, OSPF), VRF-based segmentation, AAR, QoS design and enforcement, Security services (Firewall, IDS/IPS, URL filtering) etc. 3-6 Month Contract working remote (WFH) and travel on-site Newbury as needed (Hybrid).   Paying £330-£350/day per day (Outside IR35). Start ASAP ideally May 2026.   Flexibility is needed as you will be required to provide 24/7 Shift Rota. Required Skills & Experience Experience designing and operating Cisco Catalyst SD-WAN . Excellent understanding of routing protocols (BGP, OSPF), VRF-based segmentation, AAR, QoS design and enforcement, Security services (Firewall, IDS/IPS, URL filtering) etc. Hands-on experience with Cisco vManage...
Outside Spy
May 07, 2026
Duration not stated
Network Engineer - Cisco Catalyst SD WAN Engineer at Syntax Consultancy Limited, Reading, £Contract Rate
Outside Spy Reading, UK
Network Engineer - Cisco Catalyst SD-WAN Engineer ( vManage) £330-£350/ Day- Outside IR35 3-6 Months Contract Newbury / Remote A Senior Cisco Catalyst SD-WAN Engineer with Cisco vManage dashboards and APIs experience is required. Understanding of routing protocols (BGP, OSPF), VRF-based segmentation, AAR, QoS design and enforcement, Security services (Firewall, IDS/IPS, URL filtering) etc. 3-6 Month Contract working remote (WFH) and travel on-site Newbury as needed (Hybrid). Paying £330-£350/day per day (Outside IR35). Start ASAP ideally May 2026. Flexibility is needed as you will be required to provide 24/7 Shift Rota. Required Skills & Experience Experience designing and operating Cisco Catalyst SD-WAN . Excellent understanding of routing protocols (BGP, OSPF), VRF-based segmentation, AAR, QoS design and enforcement, Security services (Firewall, IDS/IPS, URL filtering) etc. Hands-on experience with Cisco vManage dashboards and APIs....
Outside Spy
May 07, 2026
6 Months or more
Network Engineer - Cisco Catalyst SD WAN Engineer at Syntax Consultancy, Berkshire Reading, 3 Months, £330-£350 per day
£330 - £350 per day
Outside Spy Berkshire Reading, UK
Network Engineer - Cisco Catalyst SD-WAN Engineer ( vManage) £330-£350/Day- Outside IR35 3-6 Months Contract Newbury/Remote A Senior Cisco Catalyst SD-WAN Engineer with Cisco vManage dashboards and APIs experience is required. Understanding of routing protocols (BGP, OSPF), VRF-based segmentation, AAR, QoS design and enforcement, Security services (Firewall, IDS/IPS, URL filtering) etc. 3-6 Month Contract working remote (WFH) and travel on-site Newbury as needed (Hybrid). Paying £330-£350/day per day (Outside IR35). Start ASAP ideally May 2026. Flexibility is needed as you will be required to provide 24/7 Shift Rota. Required Skills & Experience Experience designing and operating Cisco Catalyst SD-WAN . Excellent understanding of routing protocols (BGP, OSPF), VRF-based segmentation, AAR, QoS design and enforcement, Security services (Firewall, IDS/IPS, URL filtering) etc. Hands-on experience with Cisco vManage dashboards and APIs....
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