131 jobs found in London Borough of Merton

Contract C# Software Engineer Near Wimbledon 6-month contract Software Engineer role developing C# Windows applications that interface with hardware. This role is inside IR35 and requires on-site work 3 days per week (full time for the first few weeks). C# Software Engineer skills required - * Good analytical skills and experience of code and design review for large projects. * Experience of multi-threaded and distributed applications, preferably with an understanding network of protocols. * Strong Experience in developing Windows desktop applications in C# * Interfacing with hardware/physical products * .NET environment, Windows Forms, TCP/IP & UDP protocols Please apply or call for more information

We’re Hiring: Head of Emerging Technology – Band 8b Location: South London Sector: NHS / Healthcare Digital Transformation Contract: 4 months Rate: £43.00 per hour Part time 03 days per week IR35 Status: Inside IR35 Engagement Type: Direct Engagement We are currently looking for an experienced Head of Emerging Technology to support a leading NHS healthcare organisation with its digital innovation and transformation agenda. This is an exciting opportunity for a senior digital leader with strong experience in AI, emerging technologies, digital transformation, innovation portfolio management, stakeholder engagement and healthcare technology adoption. The successful candidate will play a key role in driving forward digital innovation across the organisation, supporting the move towards modern, data-led and technology-enabled healthcare services. Key experience required: ✅ Senior leadership experience in digital transformation, healthcare innovation or emerging technology ✅ Strong...

Lead Software Engineer / Senior Software Engineer (Python & Django) Contract Length: 12 Months Rate: Up to £750 per day (Umbrella) IR35 Status: Inside IR35 Clearance Required: Active SC Clearance Working Pattern: Hybrid – 2 days per week onsite Locations London Manchester Birmingham Cardiff Darlington The Opportunity We are seeking an experienced Lead Software Engineer / Senior Software Engineer with strong Python and Django expertise to join a major digital transformation programme operating within a secure and highly regulated environment. This is an exciting opportunity to contribute to the design, development, and delivery of secure, scalable digital services supporting business-critical systems. Working within a modern agile delivery environment, you will play a key role in shaping technical solutions, leading engineering activities, and collaborating across multidisciplinary teams. The successful candidate will be a hands-on technical leader with a passion...

Data Engineer-Must have strong GCP experience-Inside IR35 Data Engineer (GCP) We are working with a client delivering a large-scale Data Strategy programme and are looking for a skilled Data Engineer to help shape the next generation of their data platform. You will play a key role in designing and building scalable, resilient and reusable data pipelines on Google Cloud Platform (GCP), enabling faster and more reliable data delivery across multiple product teams. This is a great opportunity for someone who combines strong technical expertise with a collaborative approach, and enjoys working in complex, enterprise-scale environments with high standards for quality and reliability. Key Responsibilities Design and build scalable, reusable data pipeline templates across multiple data domains Standardise ingestion and transformation using configuration-driven frameworks Embed data quality checks by default (schema validation, completeness, freshness, thresholds, alerting) Improve...

Security Architect - AWS - Active Security Clearance Required 9 month contract + Inside IR35: £600 - £650 p/d Hybrid - 1x a month in London We're looking for a Security Architect with strong technical instincts and a proactive mindset to help shape secure solutions across digital services. Working within a collaborative and multidisciplinary team, you'll provide practical security guidance, contribute to the design of secure systems, and help ensure that risks are appropriately identified, communicated, and mitigated. This is a hands-on role ideal for someone looking to deepen their skillset within a high-profile, public sector programme. What You'll Be Doing Designing secure system architectures that balance business objectives with risk Advising delivery teams on security best practice throughout the development lifecycle Supporting the development of reusable security architecture patterns Reviewing technical solutions and offering constructive security input Communicating...

Senior C# / .NET Developer (Securities Lending & Repo) Role Type: 6-Month Contract Location: London (Hybrid - 3 days onsite per week) IR35 Status: Inside IR35 Role Overview A leading global financial services and asset servicing institution is seeking an experienced Senior C# / .NET Developer to join a business-critical technology team in London. This role focuses on designing, building, and supporting high-performance platforms for the firm's financing-related businesses, with a primary emphasis on Securities Lending and Repo workflows. Required Skills & Experience Core Technical Skills: Strong hands-on expertise in C# and .NET / .NET Core. Deep understanding of Object-Oriented Programming (OOP) and architectural design principles. Proven experience building and implementing REST / JSON APIs. Solid experience with relational databases (e.g., SQL Server). Familiarity with unit/integration testing and automated CI/CD pipelines. Financial Domain Knowledge...

Job Title: Payments Operation Analyst/Manager Location: Remote, England, UK Contract: 6 Months (Potential Extension) Payrate: £379 - £517 Per day Inside IR35 Overview We are hiring a Technical Data & Operations Manager/Analyst to support a fast-scaling creator monetization platform within a global digital organisation. This role sits at the intersection of data, operations, and technology, ensuring a seamless payment experience for creators across podcasts, audiobooks, and digital content. You will act as the central point of contact for complex payment and onboarding issues, combining hands-on problem solving with data-driven insights to improve systems and processes at scale. Key Responsibilities Manage and prioritise technical support queues (Jira) related to creator payments, onboarding, and account issues Act as the primary escalation point for complex payout, tax, and eligibility issues Analyse trends and recurring issues using SQL and internal data sources Partner...

Job Title: Technical Delivery Lead - Data Engineering Lead (Hands-on Python / Databricks) Contract: 6 months - Potentially extension. Location: London Hybrid (5 days in 10 in the office) Rate: Highly competitive Status: Inside IR35 Working pattern: Full time We are seeking an experienced Technical Delivery Lead with strong expertise in Python, Databricks, and Apache Spark to lead the successful delivery of enterprise-scale data engineering initiatives.. This is a hands-on leadership role combining technical delivery, solution design, and data engineering expertise. The successful candidate will lead the delivery of a greenfield data platform while remaining actively involved in development activities. Essential Skills Proven experience in Data Engineering or Software Engineering. Previous experience in a Technical Lead, Lead Data Engineer, or Technical Delivery Lead position. Strong hands-on expertise with Python. Extensive experience with Databricks, including Workflows,...

Job title: Lead Infrastructure Automation Engineer (on perm and Cloud) Contract: 6 Months -possibility for extension Location: London HEX - 3 days a week Rate: Competitive day rate (Inside IR35) Working pattern: Full time Are you ready to take the lead in revolutionising infrastructure automation? Our client, a dynamic and innovative organisation, is on the lookout for a passionate Infrastructure Automation Engineer Lead - VP to spearhead their ambitious automation initiative across all infrastructure functions. This is your chance to drive significant change and enhance the efficiency of global operations! ### About the Role: As the Infrastructure Automation Engineer Lead, you will play a pivotal role in accelerating the adoption of infrastructure-as-code and automation solutions. Your expertise will help shape modern tooling strategies, ensuring scalable and repeatable automation solutions across various infrastructure domains. ### What We're Looking For: Expertise in...

Java Full Stack Developer Location: London - Hybrid – 3 days per week onsite Start Date: ASAP Contract Rate: TBC, likely in the region of £500 per day inside IR35 Duration: 6 to 12 months initially Role Overview Our client is seeking a Senior Java Full Stack Developer to help design, build, and support complex Java/Python applications within a distributed, microservices‑driven environment. You’ll work across global teams, contribute to an AI‑focused engineering roadmap, and provide critical L3 production support to ensure stability and performance. Key Responsibilities * Develop and maintain Java & Python applications, microservices, and distributed systems. * Work with global product, UX, and engineering teams to deliver high‑quality solutions. * Contribute across the full SDLC, ensuring scalable, secure, test‑driven delivery. * Support L3 production incident resolution, root‑cause analysis, and preventive fixes. * Perform code reviews, enforce best...

Application Solution Architect 6-Month contract - Inside IR35 - up to £575 per day London based - hybrid working - 2 days a week on site Finance sector - previous experience in this sector required Overview We are seeking an experienced Application Solution Architect to lead enterprise application modernisation initiatives. This is a hands-on architecture leadership role. The successful candidate will be responsible for defining target architectures, leading application transformation programmes, and establishing architectural standards and design principles across the organisation. This is an out-and-out Solution Architect role, with a strong emphasis on application modernisation rather than infrastructure or enterprise architecture. Key Responsibilities Application Modernisation Leadership Lead the assessment and modernisation of legacy and monolithic applications. Develop application modernisation strategies, roadmaps, and target-state architectures. Drive the...

My market leading Client is urgently recruiting for a commercially focused Product Lead / Manager, ideally with experience of Artificial Intelligence to drive the success of their products. This role will play a critical part in ensuring their products meet user needs while delivering measurable business and financial value. A tech /Artificial Intelligence background would be a significant advantage, enabling the successful candidate to act as a trusted partner across Product, Digital, Finance, and Delivery teams. Key Responsibilities Act as a voice of the customer and the business. Fundamentally, the Product Lead / Manager is a business partner for their specific product(s), ensuring alignment between user needs and commercial objectives. Serve as a gatekeeper of scope, ensuring focus is maintained and that only value-driven work is delivered. Align the product vision and roadmap to support user needs, strategic priorities, and financial outcomes. Monitor product...

Product Owner Remote Up to £730 per day inside ir35 Active SC clearance required We are currently seeking an experienced Product Owner to join a major public sector digital transformation programme. This is an excellent opportunity to play a key role in shaping and delivering cloud platform services that support critical government infrastructure and digital capabilities. Working within a multidisciplinary Agile environment, you will collaborate closely with users, technical teams, and senior stakeholders to drive product development from discovery through to live service. The Role As Product Owner, you will be responsible for understanding user needs, defining product priorities, and ensuring the successful delivery of platform infrastructure products and services. You'll work at the intersection of business and technology, translating complex requirements into actionable product backlogs and delivering value through iterative development. Key responsibilities include:...

Freelance Senior Quantity Surveyor / Variations Specialist Location: Central London Duration: 6 months minimum (strong likelihood of extension) Rate: Competitive Day Rate (Inside IR35) The Client & Project We are partnering with a leading Tier 1 Main Contractor to source an experienced Freelance Senior Quantity Surveyor for a flagship £90m mixed-use development in Central London. This high-profile scheme seamlessly integrates state-of-the-art healthcare facilities, vibrant commercial spaces, and premium residential units. The project is being delivered under a traditional JCT Standard Building Contract. The Role We need a commercially sharp, heavy-hitting Freelance QS to step into the eye of the storm. You will be partnering directly with the Lead Commercial Manager to tackle the backlog, quantify the changes, and commercially protect the project. If you love diving into the data, unpicking complex variations, and establishing clear entitlement under JCT rules, this is...

Senior QAT Analyst Remote £440 per day inside ir35 6 months duration Active SC clearance required We are currently seeking an experienced Senior QA Test Analyst to join a high-profile digital transformation programme within a secure government environment. This is an exciting opportunity for a quality-focused professional who thrives in complex technical environments and enjoys working closely with both technical teams and business stakeholders to deliver robust, high-quality solutions. You'll play a key role in shaping testing strategies, driving quality assurance best practices, and ensuring critical services meet both functional and non-functional requirements. What You'll Be Doing Leading the design, development and execution of comprehensive test plans and test cases. Ensuring quality is embedded throughout the software delivery lifecycle. Working with stakeholders to understand business requirements and identify quality risks. Managing, reporting and driving the...

Data Engineer London / remote £429 per day inside IR35 6 months duration Active SC clearance We are seeking a Senior Data Engineer to join a high-performing team delivering large-scale cloud and data transformation programmes. This is an exciting opportunity to work on complex data platforms, leveraging modern cloud technologies and best-in-class engineering practices to build scalable, secure, and high-quality data solutions. You'll play a key role in designing and developing data pipelines, integrating data from multiple sources, and helping organisations unlock the value of their data through robust engineering and architecture. What You'll Be Doing Designing, developing, and optimising enterprise-scale data pipelines. Building cloud-native data solutions using AWS and Azure. Developing and supporting ETL/ELT processes using Informatica. Working with large datasets to ensure data quality, performance, and reliability. Collaborating with architects, developers, analysts,...

Lead Software Engineer (Python, Django) Inside IR35 | Up to £750/day (Umbrella) | 12-month contract Hybrid – 40% onsite (London / Manchester / Birmingham / Cardiff / North East) SC clearance will be required for onboarding We are currently supporting a confidential central government programme in the search for an experienced Lead Software Engineer (Python, Django) to join a high-performing digital delivery team building secure, user-centred services within a GDS-aligned environment. This is a hands-on technical leadership role suited to an experienced engineer who can operate across architecture, delivery, and live service support, while leading multidisciplinary agile squads to deliver complex, integrated systems. You’ll be working in a regulated, security-focused domain supporting critical national services related to controlled goods and export systems. The Role As a Lead Software Engineer, you will: * Lead the design, build, and delivery of scalable, secure software...

AWS Data Engineer | Contract | (Active SC Clearance Required) Brand new 6 month contract requirment available for an experienced AWS Data Engineer with Active SC Clearance.  Opus have partnered with a Leading Global Consultancy who're seeking an AWS Data Engineer for an ASAP start. Extension is possible, this is a remote-first role, ideally suited for London-based candidates able to infrequently travel to meeting in Newcastle or Leeds.    This role is paying up to £425 per day, Inside IR35.  You must have Active SC Clearance and be available to start as soon as possible.  Role: Senior Data Engineer (AWS) Location: Remote (occasional expensed travel to Leeds/Newcastle) Clearance: Active SC Clearance required Rate: Up to £425/day (Inside IR35) Tech Stack: AWS (EMR, S3, Lambda), PySpark, Python, SQL, CI/CD Focus: Building scalable pipelines, modernising ETL, supporting MI/Power BI Level: Mid to Senior - mentoring & architectural input expected Candidates will be shortlisted...

We are partnering with a leading global technology organisation to recruit a French -speaking Webinar Content Manager to lead the planning, localisation, and delivery of webinar programmes across the EMEA region. This is an exciting opportunity for an experienced webinar, content, or marketing professional who enjoys working with cross-functional teams, engaging audiences, and delivering high-quality virtual events 📍 London (Hybrid) 📅 12-Month Contract 💼 Inside IR35 What You'll Do: * Localise global webinar content for EMEA audiences * Manage translations and regional content adaptation * Coach and support internal speakers and SMEs * Host live webinars in French and English, including audience Q&A * Coordinate webinar production, rehearsals, and delivery * Partner with marketing, digital, and production teams to deliver successful campaigns 🔹 What We're Looking For: * Native French speaker with fluent English * Proven webinar hosting, production, or virtual events...

My client a large global brand is looking for an experienced Partner Marketing Executive on 12 month contract basis. The role is hybrid (3 days onsite) and Inside IR35. We are seeking a highly organised and commercially minded Marketing Executive to support the strategic management and evolution of our International Publications programme. Working across multiple markets and stakeholders, this role will oversee programme governance, vendor and partner relationships, operational delivery and customer insight generation to ensure the programme continues to deliver value for both customers and the business. Key Responsibilities Act as the primary point of contact for publication-related activities across international markets, building strong relationships with local market teams, benefit owners and external partners. Lead cross-functional coordination to ensure successful delivery of the publications programme, including annual planning, publication roadmaps and key operational...