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Here are some of the jobs we are working on; if you don't see the job you want, consider making a job alert or give us a call to discuss your needs.

Jobs found: 25 result(s)

Technology Integration Specialist

LondonLondon£130,000–£150,000
Ncounter is supporting a global technology-driven investment firm in hiring a Technology Integration Specialist to join a highly collaborative team that bridges development, infrastructure, and support. This function ensures trading systems and data services work seamlessly across the front-to-back lifecycle, making it a key link between engineering and operations.
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Senior C++ Developer

LondonLondon£180,000–£200,000
Ncounter is supporting the growth of a high-performing engineering team responsible for building and evolving one of the most sophisticated messaging platforms in the capital markets space. This is a senior-level C++ role focused on performance, reliability, and scale, sitting at the heart of a globally distributed trading environment.
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Python Developer – Reliability

LondonLondon£160,000-£180,000
Join a leading global investment management firm at the forefront of technology innovation. We’re searching for a talented Python Engineer to join our Risk & Market Access division. At our firm, we harness a diverse portfolio of systematic and quantitative strategies, striving to deliver high-quality, uncorrelated returns. Our success is built on a strong foundation of cutting-edge technology, rigorous scientific research, and deep expertise across trading, technology, and operations. As a tech-driven organization, we develop our own advanced systems, including high-performance trading platforms and large-scale data analysis infrastructure. With a global presence, we emphasize collaboration across investment, technology, and operations teams, ensuring seamless integration across our offices worldwide. Within this Reliability team, you’ll play a vital role in maintaining the performance, stability, and availability of our software systems. You'll be working closely with mission-critical applications, developing reliability features, improving observability, and building automation tools to streamline operations
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Senior Project Manager

LondonLondon£100,000-£110,000
Ncounter is supporting a well-established fintech software organisation in hiring a Senior Project Manager into a senior, client-facing delivery role. This role sits within a client services environment delivering complex, front-office technology programmes for global financial institutions. It suits someone who is comfortable operating at senior stakeholder level, leading multiple workstreams, and balancing delivery, governance, and team leadership.
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PKI & Cloud Architect (Contract)

WiltshireWiltshire£600–700 p/d
Ncounter is seeking an experienced DV Cleared Architect to support a major Defence programme, driving the design and delivery of secure, large-scale infrastructure across both private and public cloud environments. This position focuses heavily on enterprise PKI and trust services, integrating modern authentication, federation, and certificate management capabilities across highly assured platforms.
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Platform Engineer (DV Cleared)

WiltshireWiltshire£90,000-100,000
Ncounter are supporting a secure government focused programme that is scaling its cloud and platform engineering capability. We are looking for DV Cleared Platform Engineers who enjoy solving complex problems in high assurance environments. The focus is on building reliable Kubernetes platforms, strengthening CI/CD automation, and embedding security into modern engineering practices.
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Contract Cyber Security Architect

Porton DownWiltshire£650-750 p/d
Ncounter are supporting a Defence programme building new cloud services on MODCloud, moving first onto GCP and later SCC. We are seeking a Cyber Security Architect to join a newly formed Agile Release Train and ensure the solution being delivered is secure, practical, and aligned to NIST and wider HMG standards.
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C++ Software Developer

LondonLondon£160,000-£170,000
Join a high-performance engineering group responsible for the systems that sit at the heart of a global trading operation. This team owns the core risk platform, handling everything from trade intake and real time position tracking to PnL calculation, inventory control and internal routing logic. The platform processes heavy market data flows and fast changing state across both live and historical workloads, so efficient memory management, intelligent data structures and tight control of latency are essential. Significant investment is now reshaping this architecture into a modern, service-oriented environment. We are looking for engineers who enjoy solving problems at scale and want to design robust components that can ingest, compute and distribute data across a distributed Linux estate. You will be involved in building services that must respond predictably under load, propagate risk metrics across internal systems and support a front office that depends on accuracy and speed.
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