Ncounter

Principal Rust Engineer London Permanent Hybrid Ncounter is supporting a global investment firm in hiring a Rust Developer to join a highly influential Product team. This group sits at the core of the business, building the distributed platforms, internal services, and compute frameworks that underpin trading, quant research, and large-scale data processing across the organisation. This is a deeply technical engineering role focused on high-performance systems, scalability, and platform reliability. You'll work on foundational technology used by multiple engineering and investment teams, helping to shape the infrastructure powering a world-class trading environment. What you'll do: • Design, build, and maintain scalable distributed systems and internal frameworks using Rust • Develop high-throughput services and tooling used across research and trading platforms • Work closely with investment and technology stakeholders to deliver robust, production-grade solutions • Contribute across the full software lifecycle, from architecture and development through to production support • Drive improvements in platform reliability, frameworks, compute solutions, observability, automation, and engineering standards • Operate within modern containerised and Kubernetes-based environments What we're looking for: • Strong commercial experience with Rust development in complex backend or systems environments • Proven background building distributed systems or large-scale compute platforms • Experience developing and supporting production-grade microservices using Docker and Kubernetes • Strong Linux knowledge and familiarity with CI/CD pipelines and automation tooling • Experience working with large datasets, scalable infrastructure, or high-availability systems • Confident communication skills and the ability to collaborate directly with technical stakeholders • Python exposure would be advantageous This opportunity offers the chance to work on critical internal technology that directly impacts the speed, scalability, and effectiveness of a globally recognised investment platform. If you enjoy solving complex engineering problems and want to work in an environment where technology is genuinely central to the business, apply now for a confidential discussion.

Data Architect Ncounter is supporting a specialist consultancy delivering into highly sensitive National Security and Defence programmes, now seeking a DV Cleared Data Architect to join a high-impact transformation initiative. This contract requires 3 days per week onsite on the South Coast. This role sits at the heart of complex, secure data environments, focusing on the design of scalable architectures that enable integration, governance, and analytics across mission-critical systems. You will work alongside senior stakeholders, optimisation leads and solution architects to ensure data structures are aligned to operational needs, while providing clear architectural direction within fast-paced programmes. Key Responsibilities • Design and implement secure, scalable data architectures across complex environments • Define data models, standards and integration patterns across platforms • Embed data governance, quality and compliance aligned to Defence standards • Align data structures with operational tools, systems and user requirements • Collaborate with solution architects and programme teams to deliver cohesive solutions • Support full lifecycle delivery, from requirements through to deployment What We're Looking For • Active DV clearance is essential • Strong experience delivering data architecture within UK Defence or MOD environments • Proven background operating across multiple security classifications • Experience within consultancy or client-facing delivery roles • Knowledge of cloud data platforms, particularly Azure and AWS • Familiarity with data visualisation and analytics tooling such as Power BI or Qlik • Strong stakeholder engagement skills across technical and non-technical audiences This is a contract opportunity offering £750-850 per day, working on programmes where data architecture is critical to operational success. You will play a key role in shaping secure data capabilities while influencing how organisations structure, govern and utilise data at scale. If you hold active DV clearance and are looking to take on a high-impact contract within Defence, please get in touch to discuss further.