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Contractor 43
Information Technology Cheshunt engineering

43 engineering jobs found in Cheshunt

CL
Apr 08, 2026  
Software Engineering Manager
Software Engineering Manager Certain Advantage is hiring for a Software Engineering Manager based in the Farnborough area. This role is on a contract basis and is site-based. The Company We’re working with a Manufacturing business that operates in the Aerospace sector. They design, manufacture and deliver industry-leading commercial aircraft, and a separate Space and Defence division. Does this sound like your next career move? If you’re ambitious to grow, this may be your next role? The Role: This role is for a Software Engineering Manager—someone ambitious and ready to make an impact. You’ll be results-oriented and driven to succeed. You’ll be working in a small, experienced, and collaborative team, and be responsible for: Lead the day-to-day activities of the software team Plan, design, develop, verify, and integrate the software for the high-altitude, long-endurance Zephyr aircraft. Acting as the technical authority for software, ensuring compliance with safety, performance,...
IR35 Status:
Unknown Status

CV-Library Farnborough, UK Contractor
CL
May 04, 2026  
Interim Senior Cyber Security Engineer
Connect2Hackney, the internal talent team for the London Borough of Hackney, are looking for a high-level Senior Cyber Security Engineer to join our team during a pivotal phase of our security evolution. With the strategic deployment of our new outsourced Security Operations Centre (SOC) from NCC Group, we need a technical expert to bridge the gap between our raw security data and actionable intelligence. You will be the technical lead responsible for managing, integrating, and optimising our SOC capabilities while mentoring and training our existing team to elevate their technical skill sets. Key Responsibilities Endpoint Strategy: Lead the deployment, policy configuration, and maintenance of our CrowdStrike Falcon platform. SIEM Mastery: Collaborate with our SOC partner to architect and optimise Splunk dashboards, alerts, and data models. Incident Response: Act as the technical escalation point for high-priority incidents, utilizing EDR and SIEM tools for rapid containment....
IR35 Status:
Unknown Status

CV-Library Hackney, London Contractor
CL
May 02, 2026  
Power Platform Developer
Power Platform Developer 3 Months 5 Days per week on site in Canary Wharf £(Apply online only) per day (Inside IR35 My client, in the financial services industry, are looking for a Power Platform Developer to join their fast-paced team on an initial 3 month contract based out of Canary Wharf on a fully on-site basis where the selected candidate will be required on site 5 days per week. This role requires a technically strong individual who can act as a technical lead. Requirements for this role- Strong experience with Power Automate. Experience with Oracle data sources and database design. Power BI experience is a nice-to-have. Basic SharePoint navigation and usage skills. Experience building Copilot solutions is a plus. API integration experience across Microsoft technologies. Azure experience, including pipelines for deployment. Ability to communicate clearly with team members and stakeholders. Scripting experience with Java, PowerShell, and JSON. Teams is working...
IR35 Status:
Inside IR35

CV-Library City of London, London Contractor
CL
Apr 30, 2026  
BI Reporting Analyst
Insight & Analytics Specialist 3 Months Contract - £200 to £270 a day inside IR35 London Based (3 days in the office) A leading UK Fintech brand is looking for a data-driven Insight & Analytics Specialist to join their Growth & Retention team. You will play a pivotal role in bridging the gap between raw data and commercial strategy, focusing on optimising the customer journey and enhancing long-term user value. The Role Visualisation: Design and scale high-impact dashboards (Tableau/Qlik) to track revenue drivers and customer health. Data Engineering: Leverage SQL and Python to build scalable ETL processes and ensure seamless data integration. Experimentation: Partner with the Growth team to analyse A/B test results and set performance baselines for future scaling. Stakeholder Management: Act as a technical consultant for Sales, Marketing, and Success teams, translating complex data into executive-level insights. Governance: Drive data integrity and best practices...
IR35 Status:
Inside IR35

CV-Library City of London, London Contractor
CL
Apr 30, 2026  
Salesforce Developer (SC Clearance Eligible)
Salesforce Developer (Eligible for SC Clearance) 6 Months Hybrid/London - 2-3 days per month £(Apply online only) per day (Inside IR35) My client, a government body are seeking a Salesforce Developer to join their fast-paced Salesforce Delivery team in London, on an initial 6 month contract based out of London on a hybrid basis where the selected candidate will be required on site 2-3 days per month. ***Please note, you must either hold Full UK Security Clearance (SC) or be able to attain it to be eligible for this role*** The Salesforce Developer builds on and extends the capabilities of the Salesforce platform. You will use the full arsenal of tools and components within Salesforce, including Flows, OmniScript, Apex and LWC. While you will report into your project leads, you can expect some level of client and project stakeholder interaction. Responsibilities on the role- Salesforce Industry cloud Development and Deployment, using the Public Sector Solutions cloud...
IR35 Status:
Inside IR35

CV-Library City of London, London Contractor
CL
Apr 30, 2026  
Linux Engineer / Architect
Linux Engineer / Architect 6 Months Contract + with possible extension £550 a day inside IR35 London Based - 2 days in the office *Active SC Clearance is Needed* A well established IT Provider is looking for an experienced Linux Engineer / Architect with a proven track record of designing, building, and maintaining mission-critical enterprise platforms to join their IT Team on a 6 months contract. You will be at the heart of their infrastructure strategy, responsible for the high-end troubleshooting, security hardening, and automation of our global server estate. This is a role for a technical heavyweight who thrives on solving complex root-cause issues and enjoys the architectural challenge of ensuring 24/7 availability for high-traffic environments. Key Responsibilities Provide expert-level guidance to engineering teams and lead root-cause analysis on complex system-wide issues. Linux Engineering: Manage and optimise a large-scale estate across RedHat, Ubuntu, and...
IR35 Status:
Inside IR35

CV-Library City of London, London Contractor
CL
Apr 28, 2026  
Data Scientist
I am recruiting for a Data Scientist to work on a hybrid basis - 2-3 days in London, remaining time remote. The role falls inside IR35 so you will be required to work through an umbrella company for the duration of the contract. This role will move into a permanent position after the 6 months so please only apply if this is suitable for you. I am recruiting for a Data Scientist / ML engineer with several years of experience. You will have experience of driving new data insights to uncover business opportunities & revenue streams, have a firm understanding of statistics and data visualisation for communication and also have an understanding of business growth areas & how to utilise important data. Experience of supporting data science projects in a consulting environment is essential for this role. You must have a number of years of experience participating in projects that focused on some of the following - Predictive Analytics, Data Design, Statistics, AI/ML or ML...
IR35 Status:
Inside IR35

CV-Library City of London, London Contractor
CL
Apr 25, 2026  
Oracle Integration Cloud Developer
OIC Developer (Oracle Integration Cloud) 3 months Market Rate (Inside IR35) Job Summary: We are looking for an experienced OIC Developer to design, develop, and maintain integrations using Oracle Integration Cloud. The role involves working with cloud and on-premise applications to ensure seamless data flow and business process automation. Key Responsibilities: Design and develop integrations using Oracle Integration Cloud (OIC) Build and maintain REST/SOAP APIs and integrations Work with adapters (ERP, HCM, FTP, REST, SOAP, etc.) Perform data mapping, transformations, and orchestration Troubleshoot and resolve integration issues Collaborate with functional and technical teams Ensure best practices in integration, security, and performance Required Skills: Strong experience with Oracle Integration Cloud (OIC) Knowledge of REST/SOAP web services Experience with XML, XSLT, JSON Familiarity with Oracle SaaS (ERP/HCM) integrations Understanding of integration patterns...
IR35 Status:
Inside IR35

CV-Library City of London, London Contractor
CL
May 02, 2026  
Software Asset Management Consultant
Contract – Inside IR35, Remote Software Licensing Specialist (Developer Background) – Financial Services Client Excellent opportunity with a leading financial services client who are looking for a Software Asset Management Consultant to join the business. We’re specifically looking for someone with a strong background in software development or programming, to support governance, processes, and controls around the use and contribution of Free and Open Source Software (FOSS). The role is ideally suited to someone who has previously built or maintained software and has developed a strong understanding of software licensing from a developer’s perspective—including how licensing impacts code usage, distribution, and integration. Key Responsibilities * Provide practical, developer-focused guidance to engineering teams on the implications of FOSS licensing within their applications and codebases. * Analyse licensing and copyright considerations for new open-source software requests,...
IR35 Status:
Inside IR35

CV-Library E14, Canary Wharf, Greater London Contractor
CL
Apr 08, 2026  
Senior Data Engineer
Senior Data Engineer – (Tick data, Time-Series; kdb+ / Q ) 3-6 months initially. London 3 days onsite   Are you a Data Engineer with a background in systematic trading who has worked with granular tick market data? Have you built pipelines to allow tick data to be ingested into a time series tech stack utilising kdb+ and Q? If so keep reading!   Certain Advantage are recruiting on behalf of our London based trading client for a Data Engineer to focus on building a scalable data platform for algorithmic trading.   You’ll Identify and implement solutions for Quants and Traders, providing data that will be used to improve strategies performance and produce clients TCA, pre- and post- trade analytics.   Your Project Work: Identify and implement solutions to provide data that will be used to improve strategies performance and produce clients TCA, pre- and post- trade analytics. Work with business Stakeholders to build new and maintain existing real-time and historical data services and...
IR35 Status:
Unknown Status

CV-Library Central London, London WC2N 5DU, UK Contractor
CL
May 06, 2026  
Scala Developer
Job Title: Scala Developer Job DescriptionThis role focuses on designing and delivering performance-critical, data-driven systems that support equities, cash, and stock loan trading. You will work on core trading and inventory platforms, contributing to next-generation equity swaps initiatives, trade lifecycle automation, and enhanced risk management capabilities. You will operate within Agile delivery teams and collaborate closely with quantitative analysts, traders, and business stakeholders to deliver robust, scalable trading solutions. Responsibilities Design, develop, and maintain front-to-back equity swap trading systems using Scala with a strong emphasis on functional programming. Build and enhance high-throughput, low-latency platforms with a strong focus on performance, scalability, and reliability. Develop and support core systems, including data-driven inventory and trade processing services used across equities, cash, and stock loan trading. Gather, analyse, and refine...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
May 06, 2026  
Database/ DBA Engineer (Oracle, PostgreSQL)
Your new company Working for a renowned financial services organisation. Your new role The Oracle DBA/ Database Engineer is responsible for designing, building, optimizing, and maintaining database systems that are secure, reliable, and scalable. This role involves supporting and mentoring the operational database team by promoting best practices, driving automation, and introducing innovative technologies and approaches. The engineer will take ownership of operational requirements and ensure that any changes to standards and processes are implemented consistently across the organization. Beyond hands-on technical responsibilities, the position requires active participation in project meetings, planning sessions, and related activities under the guidance of project managers. Developing expertise in containerized database technologies, if not already acquired, will be essential for success in this role. What you'll need to succeed Experience of postgresSQL migration from...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
May 02, 2026  
Senior QA Analyst
Senior QA Analyst** (Contract) Duration: 6 Months (Possibility for extension) Location: London/Hybrid (3 days per week on site) Rate: A highly competitive Umbrella Day Rate is available for suitable candidates Role Profile We are seeking a highly skilled Senior QA Analyst with deep hands‑on experience testing Third‑Party Management (TPM) platforms and related risk, compliance, procurement, or vendor‑governance systems. This role requires close collaboration with product, engineering, vendor‑management teams, and external partners to ensure high‑quality, stable, and compliant solutions. Key Responsibilities: Create, maintain, and execute detailed test plans, test cases, and test scripts. Perform hands‑on testing including functional, regression, integration, UI/UX, workflow, and basic API testing. Validate data flows, business rules, and system behaviour across complex workflows. Maintain and update test artefacts including test plans, test cases, and regression packs in...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
May 02, 2026  
SAP Integrations Lead
Job title: SAP Integrations Lead Contract: 3 months (possibility of extension) Location: London (Hybrid) As the Integrations Lead, you will provide a critical role for ensuring the success of a complex and large-scale SAP Finance Transformation within a major British multinational retailer. You will shape, plan, and deliver all Integration aspects of the Programme, enabling the migration of Finance capabilities from ECC to S/4HANA, and the decoupling of non-Finance capabilities to other business systems. You will provide strategic leadership to ensure alignment in solution, delivery, and assurance of 100's of integrations in and out of S/4HANA and the phased cutover of integrations in and out of ECC to enable its eventual decommission. This role demands a hands‑on delivery leader with strong technical competence, outstanding foresight, and the ability to navigate sophisticated, high‑risk environments. You will foster collaboration across engineering, product, finance,...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
May 02, 2026  
Data Scientist
Senior Data Scientist / Product Analyst II - Engineering Platform Location: London, UK (Hybrid) The Mission Behind every global streaming giant is a massive engine of internal tools and infrastructure. We are looking for a data expert to join our Platform Insights team. Your "customers" aren't the end listeners-they are the hundreds of world-class engineers building the applications used by millions. Your goal is to optimize the developer experience, ensuring our internal systems are fast, stable, and scalable. What You'll Do Drive Product Strategy: Partner with Product Managers and Engineers to define what "success" looks like for internal developer tools and cloud infrastructure. Full-Stack Analytics: Define key metrics, build robust datasets, and create high-impact dashboards (SQL/Python). Exploratory Research: Deep-dive into technical logs and user behavior to identify friction in the software development lifecycle. Influence Change: Communicate technical insights to...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
May 02, 2026  
Contract Full-Stack JavaScript Developer - AI Platform
Contract Full-Stack JavaScript Developer (AI Platform) 📍 Location: 3 days per week in London Office 📆 Duration: 4 weeks with a longer term extension afterwards. 💼 IR35 Status: Outside IR35 💰 Rate: £500p/d – £600p/d Opus is partnering with a cutting-edge FinTech start-up to secure a Contract Full-Stack JavaScript Developer. You’ll be joining a small, high-calibre team building a platform to improve workflows within the the FinTech space. They have a genuinely interesting problem at the intersection of frontend engineering, backend systems, and applied LLM tooling. This is a true 0–1 build, ideal if you enjoy ownership, clean abstractions, and shipping product quickly. 🧠 What You’ll Be Working On Building and extending agent-driven workflows. Developing context management and LLM entry points. Only application-layer LLM integrations, not model training) Expanding slide generation functions and data structures. Full-stack feature development, with a frontend-heavy bias...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
May 02, 2026  
DevOps Engineer
Azure DevOps Engineer – 6-month contract – SC Cleared – London/Remote – Outside of IR35 My SC Cleared customer is seeking a highly skilled Azure DevOps / Platform Engineer with deep, hands-on experience in Azure-native engineering and advanced Infrastructure as Code (IaC) practices. This role is ideal for someone who operates at the intersection of DevOps and Software Engineering—bringing a strong development mindset to infrastructure design, automation, and testing. Key Skills & Experience from the Azure DevOps Engineer: Active SC Clearance ideal/lapsed considered Advanced Azure Engineering Strong experience designing for high availability Deep understanding of Azure-native services and architecture patterns Github actions Infrastructure as Code (IaC) Expert-level proficiency with Terraform and/or Bicep Strong focus on modularity, reusability, and maintainability Experience integrating automated testing frameworks (e.g. Terratest, Checkov) Azure Networking &...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
May 02, 2026  
Business Analyst | 11808-1
Job Title: Business Analyst (SAP Migration - 6 Month Contract) Location: London (1 day per week in office) Duration: 6 Months Working Hours: 37.5 per week Role Overview We are seeking a high-autonomy Business Analyst to drive the discovery phase of a critical SAP Migration programme. This role is focused on translating complex business needs into actionable requirements while ensuring seamless alignment across Product, Engineering, and Operations. The ideal candidate is a hands-on practitioner capable of owning the Product Requirements Document (PRD) lifecycle from initial "As-Is" mapping to final "To-Be" sign-off. Key Responsibilities Discovery & PRD Ownership: Lead end-to-end documentation including process flows, service blueprints, user stories, and non-functional requirements. Stakeholder Management: Independently facilitate workshops to clarify scope, manage dependencies, and secure formal sign-off from cross-functional leads. Value Delivery: Define and track...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
May 01, 2026  
Data Scientist - London, UK (Fully REMOTE)
Role: Data Scientist Type: Contracts (6 Months) Location: London, UK (REMOTE) Working Model: Fully Remote Payrate: (Apply online only) GBP/day on PAYE (Apply online only) GBP/day on RUPAYE (Apply online only) GBP/day on Inside IR35 on Umbrella The Role: Join our team to drive data quality and empower cross-functional decision-making by building robust pipelines and self-serve data products. You will be essential in defining metrics for platform health, developer productivity, and ML/AI adoption. What You Will Do: Own end-to-end analytical data modeling in BigQuery using dbt. Build reliable data pipelines utilizing SQL, Python, and distributed processing frameworks (Apache Spark, Scio, Beam, or Flink). Develop clear, story-driven dashboards using tools like Looker or Tableau. Champion data quality, implement CI/CD for dbt models, and mentor junior team members.What You Bring: 5+ years of experience in analytics or data engineering, with deep expertise in SQL. Extensive...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Apr 29, 2026  
Agentic AI Security Engineer
Cybersecurity Engineer / Analyst – London Overview I’m currently supporting a growing organisation looking to hire a Cybersecurity Engineer / Analyst to join their expanding security team in London. Working closely with the Technical CISO function, this role supports the design, implementation, and continuous improvement of cybersecurity controls across cloud, on-premises, and hybrid environments. It’s a great opportunity for someone with around 3+ years’ cybersecurity experience looking to broaden their exposure across engineering, security operations, and platform security in a collaborative environment. Responsibilities • Support deployment and configuration of security controls across cloud, on-prem, and hybrid platforms • Assist with monitoring, investigation, and response to security events and incidents • Work closely with engineering and platform teams to embed secure-by-design principles • Contribute to improvements across security tooling, controls, and operational...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
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