strategies. You’ll contribute to every part of the investment pipeline—from research tooling and data infrastructure to real-time trading systems. Key Responsibilities: Design, develop, and optimize high-performance trading tools and data pipelines using C# and ideally Python Build research platforms that empower quantitative analysts and strategists Integrate and manage large, complex datasets from a variety of … robustness and scalability in both real-time and batch environments What We’re Looking For: Strong programming experience with C# Solid understanding of software engineering principles, design patterns, and performancetuning Experience in financial markets (equities, futures, FX, etc.) is a plus, but not required Familiarity with data science tools, APIs, and time-series databases is beneficial Self … starter attitude with a sharp eye for detail and a high level of ownership Why Join? Competitive compensation + performance bonuses Direct impact on trading and research performance Flat, collaborative culture with exposure to senior stakeholders State-of-the-art technology stack and hardware Opportunity to work on greenfield projects in a fast-moving environment More ❯
strategies. You’ll contribute to every part of the investment pipeline—from research tooling and data infrastructure to real-time trading systems. Key Responsibilities: Design, develop, and optimize high-performance trading tools and data pipelines using C# and ideally Python Build research platforms that empower quantitative analysts and strategists Integrate and manage large, complex datasets from a variety of … robustness and scalability in both real-time and batch environments What We’re Looking For: Strong programming experience with C# Solid understanding of software engineering principles, design patterns, and performancetuning Experience in financial markets (equities, futures, FX, etc.) is a plus, but not required Familiarity with data science tools, APIs, and time-series databases is beneficial Self … starter attitude with a sharp eye for detail and a high level of ownership Why Join? Competitive compensation + performance bonuses Direct impact on trading and research performance Flat, collaborative culture with exposure to senior stakeholders State-of-the-art technology stack and hardware Opportunity to work on greenfield projects in a fast-moving environment More ❯
City Of London, England, United Kingdom Hybrid/Remote Options
SGI
global investment manager that’s serious about modern engineering and data-driven investing. Our client is looking for an experienced Senior/Principal Python Developer to help build high-performance systems that power investment decisions, analytics, and portfolio operations. The Opportunity Be part of a cross-functional engineering team working closely with quants, data scientists and portfolio managers to … Design, develop and maintain scalable Python applications supporting investment and analytics workflows. Translate complex financial requirements into elegant, maintainable code in partnership with business and quant teams. Lead on performancetuning, code quality, testing, and CI/CD practices. Improve latency, reliability and observability of data-driven processes. Contribute to modernising legacy systems towards cloud-native, distributed architectures. … Why Join Work for a respected global investment firm investing in technology and modern engineering practices. Hybrid working (London-based; typically 2–3 days in office ). Competitive salary, performance-based bonus and strong benefits. Inclusive, learning-focused culture where you can have real impact on investment systems. If you’re a hands-on Python engineer who enjoys solving More ❯
Preston, Lancashire, England, United Kingdom Hybrid/Remote Options
Circle Recruitment
and enrichment processes. Duties include: Working closely with analysts and software engineers to turn the business needs into solid data engineering solutions. You'll be on the lookout for performance bottlenecks and working to optimise data processing and query performance. This will help make sure your data pipeline is scalable and ready to handle big loads. Also be setting … monitoring frameworks to keep an eye on how your data pipeline is doing. Be responsible for making sure that your data meets scalability and availability targets. This will involve performancetuning and other measures to keep your data running smoothly. Taking care of data security, including access controls and encryption. You'll make sure that all sensitive data More ❯
Reigate, England, United Kingdom Hybrid/Remote Options
esure Group
driven decision-making across our insurance business. What you’ll do: Design and manage scalable cloud data platforms (Databricks on AWS) across development, staging, and production environments, ensuring reliable performance and cost efficiency. Integrate and model data from diverse sources – including warehouses, APIs, marketing platforms, and operational systems – using DBT, Delta Live Tables, and dimensional modelling to deliver consistent … fraud, ensuring consistency and alignment with business metrics Deep practical knowledge of semantic layer design and implementation using DBT, SQL, and Delta Live Tables Strong background in building high-performance, scalable data models that support self-service BI and regulatory reporting requirements Direct exposure to cloud-native data infrastructures (Databricks, Snowflake) especially in AWS environments is a plus Experience … ready and vector-optimised datasets Demonstrated capability to collaborate successfully with interested parties in data engineering, analytics, architecture, and business teams Advanced SQL skills and a keen focus on performancetuning, data integrity, and reusable compose patterns across data products What’s in it for you?: Competitive salary that reflects your skills, experience and potential. Discretionary bonus scheme More ❯
improve their processes across functions. The Role: The Network Aruba Wireless Administrator is responsible for managing, configuring, and maintaining Aruba wireless network solutions to ensure seamless connectivity, security, and performance across the enterprise. This role involves troubleshooting wireless issues, optimizing network performance, and implementing best practices for secure wireless access. Key responsibilities: Wireless Network Administration: Configure, monitor, and … maintain Aruba wireless controllers, access points, and related infrastructure. Manage Aruba Central or AirWave for centralized monitoring and reporting. Performance & Optimization: Conduct regular health checks and performancetuning of wireless networks. Implement RF optimization strategies to ensure coverage and minimize interference. Security & Compliance: Apply Aruba ClearPass policies for secure authentication and access control. Ensure compliance with organizational … for end-users and devices. Provide Level 2/3 support for wireless-related incidents and escalations. Documentation & Reporting: Maintain accurate documentation of configurations, policies, and network diagrams. Generate performance and capacity reports for management review. Desirable skills/knowledge/experience Technical Accreditations advantageous Key Skills & Knowledge Bachelor’s degree in Computer Science, Information Technology, or related field. More ❯
DOE Location: Cambridge We’re looking for a Principal Software Engineer to lead the design and optimisation of mission-critical communication systems. You’ll shape technical direction, ensure performance and scalability, and mentor a talented development team within a growing technology business. Key Responsibilities Lead the architecture and development of high-performance, secure systems using C#/.NET … experience with C# and .NET (Core/5+) Strong background in scalable, distributed systems (microservices) Experience with messaging and data technologies (Kafka, RabbitMQ, gRPC, TCP/IP) Skilled in performancetuning, concurrency and multithreading Solid understanding of security for critical systems Confident technical leadership and problem-solving skills Familiar with UI frameworks such as WPF and patterns like More ❯
is a hands-on position suited for someone who thrives on problem-solving, process improvement, and cross-team communication. What You’ll Do: Maintain & Improve Systems Ensure the reliability, performance, and availability of production systems. Perform regular updates, patching, and maintenance across environments. Manage infrastructure provisioning using Terraform, Ansible, and AWS. Collaborate & Support Work closely with the junior SRE … Flexible and adaptable to technical and business priorities. Nice-to-Have Experience supporting scientific or data-intensive applications. Background in post-mortem facilitation and follow-up. Enthusiasm for observability, performancetuning, and cost optimisation. More ❯
and infrastructure. The Role Join us as a Site Reliability Engineer and help us build the future of data sovereignty! We're seeking an SRE passionate about creating high-performance, scalable, and reliable services for our production infrastructure. You'll have a direct impact, improving existing systems and developing innovative solutions to complex challenges. Our small, collaborative engineering teams … ensure rapid response to critical issues and minimize service disruptions. Scale the ACRA platform and applications to support large concurrent user bases and sustained daily usage. This will involve performancetuning, capacity planning, and optimization of resource utilization. Collaborate closely with the product engineering team to influence the design and implementation of new products and features, ensuring they More ❯
solutions. Optimize data workflows and ensure seamless integration with various data sources. Implement data governance and security best practices. Provide technical leadership and guidance to the development team. Conduct performancetuning and optimization of data processes. Skills required: Proven experience as a Data Architect working within Azure. Expertise in Azure Databricks and Azure Synapse. Strong understanding of Datamodelling More ❯
experience with: AVS, OpenJVS, Open Components, Java, SQL, C#, Python Connex Gateways for trade booking and market data integration Real-Time Position Engine (RTPE) and Automated Position Management (APM) Performancetuning and optimization for EOD batch processing If interested please apply here or reacj out to me on +44 More ❯
experience with: AVS, OpenJVS, Open Components, Java, SQL, C#, Python Connex Gateways for trade booking and market data integration Real-Time Position Engine (RTPE) and Automated Position Management (APM) Performancetuning and optimization for EOD batch processing If interested please apply here or reacj out to me on +44 More ❯
Manchester, Lancashire, England, United Kingdom Hybrid/Remote Options
Lorien
with Azure Familiarity with containerisation & orchestration (Kubernetes preferred) Good understanding of software architecture and clean code principles Comfortable working independently and as part of a collaborative team Experience with performancetuning and high-availability systems Familiarity with Agile/Scrum methodologies Benefits £60,000-£70,000 DOE Remote working with flexible hours 25+ days holiday + bank holidays More ❯
software development and SDLC. Task orientated, able to work to fixed deadlines and SLAs. Previous development experience within Python, ideally with experience in Flask and REST APIs. Proficient with performancetuning, debugging, and secure coding practices. Strong Microsoft Azure Integration Services (e.g. LogicApps, ServiceBus, API Management etc). In-depth understanding of system design, CI/CD, GIT More ❯
software development and SDLC. Task orientated, able to work to fixed deadlines and SLAs. Previous development experience within Python, ideally with experience in Flask and REST APIs. Proficient with performancetuning, debugging, and secure coding practices. Strong Microsoft Azure Integration Services (e.g. LogicApps, ServiceBus, API Management etc). In-depth understanding of system design, CI/CD, GIT More ❯
systems using web services and APIs Contribute to full solution lifecycles from development and testing through to deployment and support Produce technical documentation and maintain coding standards Support upgrades, performancetuning, and system maintenance activities Key Requirements: Solid experience developing with Dynamics 365 Business Central or NAV (AL and C/AL) Strong understanding of D365BC architecture, extension More ❯
both thin and thick applications. Develop and improve wed frontends using Java and JaveScript delivering responsive, intuitive UI/UX. Model and manage data with MS SQL (Schema design, performancetuning, complex queries). Own the SDLC End to End requirements, solution design, implementation, automated testing, deployment and maintenance - Ideally in Treasury/FinTech contexts. Adopt CI/ More ❯
both thin and thick applications. Develop and improve wed frontends using Java and JaveScript delivering responsive, intuitive UI/UX. Model and manage data with MS SQL (Schema design, performancetuning, complex queries). Own the SDLC End to End requirements, solution design, implementation, automated testing, deployment and maintenance - Ideally in Treasury/FinTech contexts. Adopt CI/ More ❯
Newcastle Upon Tyne, England, United Kingdom Hybrid/Remote Options
KO2 Embedded Recruitment Solutions Ltd
integration An eye for UX/UI design and brand-consistent interfaces Knowledge of DevOps practices (CI/CD, version control, automation) Hands-on experience with Microsoft Azure and performancetuning Solid understanding of cybersecurity best practices Familiarity with mobile or desktop development (a plus!) A proactive, innovative mindset with a passion for improvement Why Join? With KO2 More ❯
Tyne And Wear, United Kingdom Hybrid/Remote Options
KO2 Embedded Recruitment Solutions Ltd
integration An eye for UX/UI design and brand-consistent interfaces Knowledge of DevOps practices (CI/CD, version control, automation) Hands-on experience with Microsoft Azure and performancetuning Solid understanding of cybersecurity best practices Familiarity with mobile or desktop development (a plus!) A proactive, innovative mindset with a passion for improvement Why Join? With KO2 More ❯
Newcastle upon Tyne, Tyne and Wear, Dunston, Gateshead, Tyne & Wear, United Kingdom Hybrid/Remote Options
KO2 Embedded Recruitment Solutions Ltd
integration An eye for UX/UI design and brand-consistent interfaces Knowledge of DevOps practices (CI/CD, version control, automation) Hands-on experience with Microsoft Azure and performancetuning Solid understanding of cybersecurity best practices Familiarity with mobile or desktop development (a plus!) A proactive, innovative mindset with a passion for improvement Why Join? With KO2 More ❯
version control best practices Testing frameworks (PHPUnit, Jest, Cucumber) Agile methodologies without the ceremony - we take a very lean approach Docker CI/CD and cloud hosting Architecture scalability performancetuning Education 2:1+ degree in Software Engineering Experience 7+ years in software engineering Proven ability to deliver independently on complex systems while aligning with overall technical strategy More ❯
remote with occasional travel to Sheffield working with a global energy firm. The ideal candidate will have strong proficiency in Transact-SQL, with a solid understanding of database design, performance optimisation, and advanced SQL features. This role requires problem-solving skills, attention to detail, and the ability to communicate technical solutions effectively. Key Responsibilities: Develop, optimise, and maintain complex … T-SQL queries, stored procedures, triggers, and functions Analyse and troubleshoot query performance issues, implementing indexing strategies and optimisation techniques Design efficient and scalable database schemas with a thorough understanding of normalisation, relationships, and indexing Manage error handling and debugging within T-SQL scripts, including transaction management Utilies advanced T-SQL features such as Common Table Expressions (CTEs), window … stored procedures, triggers, functions, and use advanced SQL features Strong problem-solving skills, with the ability to approach and resolve complex data challenges Experience in query optimisation, indexing, and performancetuning, including real-world examples of improvement Solid understanding of database design principles, normalisation, and relationships Knowledge of error handling, debugging, and transaction management within T-SQL Familiarity More ❯
technical leadership across development teams, ensuring high standards in code, design, and delivery. Integrate e-Invoicing platforms with ERP, payment gateways, and reporting systems. Design secure, scalable, and high-performance solutions using modern architectural frameworks (microservices, APIs, Middleware). Collaborate with business stakeholders, finance SMEs, and external vendors to deliver compliant and efficient solutions. Drive issue resolution, performancetuning, and continuous improvement across financial applications. Stay updated on regulatory changes, tax reforms, and emerging e-Invoicing technologies. Required Skills & Experience Strong experience in Oracle Fusion Financials focusing on AR, AP, and Tax modules. Proven expertise in e-Invoicing implementation. Solid understanding of solution architecture, including API management, integrations, and data pipelines. Experience in Banking or Financial More ❯
Preston, Lancashire, England, United Kingdom Hybrid/Remote Options
Circle Recruitment
engineers to turn your business needs into solid data engineering solutions. You'll also be creating comprehensive reports to share your findings. You'll be on the lookout for performance bottlenecks and working to optimise data processing and query performance. This will help make sure your data pipeline is scalable and ready to handle big loads. You'll also … monitoring frameworks to keep an eye on how your data pipeline is doing. Be responsible for making sure that your data meets scalability and availability targets. This will involve performancetuning and other measures to keep your data running smoothly. Taking care of data security, including access controls and encryption. You'll make sure that all sensitive data More ❯