Manchester) Up to £160,000 + Pension/Bonus Join a leading financial technology and trading organisation driving innovation in electronic markets. As an eFX Software Engineer, you’ll design and deliver high-performance, low-latency trading solutions that underpin mission-critical systems. This role offers the chance to work on cutting-edge technology where speed, scalability, and resilience … are key. About the Role Lead the design and development of secure, high-performance eFX systems Define and evolve Java patterns and techniques optimised for ultra-low latency (<40μs) Architect fault-tolerant, scalable trading systems Influence technical strategy, architecture, and product roadmaps Collaborate with multiple teams to deliver best-in-class E-trading platforms Ensure all solutions meet security … compliance, and performance standards What You’ll Bring Strong experience in software engineering, architecture, and database design Expert-level Java development, including low-GC and lock-free patterns Proven background in FX trading systems, pricing, and risk management Deep understanding of CPU architecture, cache optimisation, and Linux performance tuning Expertise in networking and messaging (TCP, UDP, Multicast, FIX) Knowledge More ❯
Manchester) Up to £160,000 + Pension/Bonus Join a leading financial technology and trading organisation driving innovation in electronic markets. As an eFX Software Engineer, you’ll design and deliver high-performance, low-latency trading solutions that underpin mission-critical systems. This role offers the chance to work on cutting-edge technology where speed, scalability, and resilience … are key. About the Role Lead the design and development of secure, high-performance eFX systems Define and evolve Java patterns and techniques optimised for ultra-low latency (<40μs) Architect fault-tolerant, scalable trading systems Influence technical strategy, architecture, and product roadmaps Collaborate with multiple teams to deliver best-in-class E-trading platforms Ensure all solutions meet security … compliance, and performance standards What You’ll Bring Strong experience in software engineering, architecture, and database design Expert-level Java development, including low-GC and lock-free patterns Proven background in FX trading systems, pricing, and risk management Deep understanding of CPU architecture, cache optimisation, and Linux performance tuning Expertise in networking and messaging (TCP, UDP, Multicast, FIX) Knowledge More ❯
Manchester) Up to £160,000 + benefits/Bonus Join a leading financial technology and trading organisation driving innovation in electronic markets. As an eFX Software Engineer, you'll design and deliver high-performance, low-latency trading solutions that underpin mission-critical systems. This role offers the chance to work on cutting-edge technology where speed, scalability, and resilience … are key. About the Role Lead the design and development of secure, high-performance eFX systems Define and evolve Java patterns and techniques optimised for ultra-low latency (<40s) Architect fault-tolerant, scalable trading systems Influence technical strategy, architecture, and product roadmaps Collaborate with multiple teams to deliver best-in-class E-trading platforms Ensure all solutions meet security … compliance, and performance standards What You'll Bring Strong experience in software engineering, architecture, and database design Expert-level Java development, including low-GC and lock-free patterns Proven background in FX trading systems, pricing, and risk management Deep understanding of CPU architecture, cache optimisation, and Linux performance tuning Expertise in networking and messaging (TCP, UDP, Multicast, FIX) Knowledge More ❯
Manchester)Up to £160,000 + benefits/Bonus Join a leading financial technology and trading organisation driving innovation in electronic markets. As an eFX Software Engineer, you'll design and deliver high-performance, low-latency trading solutions that underpin mission-critical systems. This role offers the chance to work on cutting-edge technology where speed, scalability, and resilience … are key. About the Role Lead the design and development of secure, high-performance eFX systems Define and evolve Java patterns and techniques optimised for ultra-low latency (<40μs) Architect fault-tolerant, scalable trading systems Influence technical strategy, architecture, and product roadmaps Collaborate with multiple teams to deliver best-in-class E-trading platforms Ensure all solutions meet security … compliance, and performance standards What You'll Bring Strong experience in software engineering, architecture, and database design Expert-level Java development, including low-GC and lock-free patterns Proven background in FX trading systems, pricing, and risk management Deep understanding of CPU architecture, cache optimisation, and Linux performance tuning Expertise in networking and messaging (TCP, UDP, Multicast, FIX) Knowledge More ❯
cloud services is advantageous. Microservices and Distributed Systems : Deep understanding of microservices architecture and distributed systems, including knowledge of Back-end For Front-end (BFF) architecture (a plus). APIDesign and Development : Solid experience in designing and developing RESTful APIs, ensuring they are scalable, secure, and efficient. More ❯
cloud services is advantageous. Microservices and Distributed Systems : Deep understanding of microservices architecture and distributed systems, including knowledge of Back-end For Front-end (BFF) architecture (a plus). APIDesign and Development : Solid experience in designing and developing RESTful APIs, ensuring they are scalable, secure, and efficient. More ❯
building something that lasts. What will you be doing: Own critical parts of the UI and its architecture, ensuring performance, usability, and resilience. Bring strong views on frontend patterns, APIdesign, and how the frontend and backend fit together (they currently use Python, REST, GraphQL, microservices). What They Are Looking For: Proven expertise in JavaScript and React More ❯
building something that lasts. What will you be doing: Own critical parts of the UI and its architecture, ensuring performance, usability, and resilience. Bring strong views on frontend patterns, APIdesign, and how the frontend and backend fit together (they currently use Python, REST, GraphQL, microservices). What They Are Looking For: Proven expertise in JavaScript and React More ❯
This is initially a 6 month contract with the potential to extend and will be a hybrid role that will be based in either London or Coventry . Responsibilities: Design robust integration solutions across commercial, HR, and data platforms within a complex, multi-brand retail environment Lead architectural planning for the decommissioning of legacy systems, ensuring smooth transitions to … modern, scalable services Define and document integration standards, including API strategies, event schemas, and interface contracts to enable decoupled, reusable services Implement event-driven architectures using Kafka to support real-time data exchange and responsive system interactions Collaborate cross-functionally with product managers, engineering teams, and platform leads to define scalable service boundaries and integration touchpoints Support the design … adoption of strategic data services, promoting data integrity, consistency, and standardisation across the enterprise Ensure integration consistency in areas such as data handling, authentication, error management, and versioning Lead design reviews for integration solutions, ensuring alignment with enterprise architecture principles and governance frameworks Act as a trusted advisor, championing best practices in integration architecture and guiding teams on modern More ❯
with your front-end counterpart to ensure alignment across the stack, to support the firm's market-making business across ranging Equities, FX, Crypto & Commodities asset classes Lead the design, development, and maintenance of the infrastructure estate, microservices, web APIs, and the business logic delivery, keeping projects on track and within scope. Drive technical decisions and trade-offs balancing … the role, including all relevant regulatory and legislative training KEY SKILLS AND EXPERIENCE Strong expertise in Java, Spring Framework/Spring Boot, or related backend frameworks Solid understanding of APIdesign, microservices, and distributed messaging architectures Solid experience in advocating for and mentoring other team members, promoting coding reviews, enforcing team conventions Track record in driving initiatives/ More ❯
Technical Product Management Oversee integration and optimization of multiple DSPs, SSPs, and ad-serving technologies. Define technical requirements for real-time bidding systems handling billions of daily requests. Lead API product management across the AdTech/MarTech ecosystem. Design data pipelines and architecture for cross-platform campaign analytics. Ensure sub-100ms response times while maintaining 99.9% platform reliability. … least 3 years focused on programmatic advertising. Deep technical knowledge of: Programmatic ecosystem: DSPs, SSPs, DMPs, CDPs, and ad servers Real-time bidding protocols, header bidding, and auction dynamics APIdesign, data pipelines, and system integrations Attribution methodologies and cross-device identity solutions Technical Platform Expertise Hands-on experience with major DSP platforms (e.g., DV360, The Trade Desk More ❯
testing activities. Key Responsibilities: Lead requirements analysis and documentation for complex digital projects. Write clear, detailed user stories for development and test teams. Specify and model data requirements, including API documentation. Facilitate workshops with stakeholders to capture business needs. Collaborate with Agile teams to ensure alignment with delivery goals. Maintain awareness of emerging technologies, including generative AI. Essential Skills … modelling. Demonstrated ability to write user stories for large development teams. Experience working in high-performing Agile or Scrum environments. Desirable Skills: Knowledge of digital transformation programmes. Familiarity with APIdesign and documentation. Awareness of generative AI concepts. Professional certifications (e.g., BCS, IIBA) desirable but not mandatory. Please submit a copy of your CV for more information on More ❯
their potential applications. Develop clear and effective data models and supporting documentation. Write and maintain user stories for large development and testing teams. Define and document data requirements and API specifications . Collaborate closely with cross-functional teams in an Agile/Scrum environment to ensure successful delivery. Essential Skills & Experience Strong core business analysis capabilities, including requirements definition … and stakeholder management. Demonstrated experience in data modelling , API documentation , and digital service delivery . Proven success working within Agile/Scrum frameworks and contributing to high-performing agile teams . Proficiency with Jira and other agile delivery tools. Prior experience working within the public sector (central or local government). Solid understanding of digital delivery practices in government … or similar settings. Desirable Knowledge Awareness of Generative AI tools and their potential applications. Experience defining and managing data requirements across large-scale systems. Familiarity with APIdesign and documentation standards. If you're an experienced Business Analyst looking to make an impact within a digital transformation environment, we'd love to hear from you. More ❯
execution for a core pillar of this new platform. You will operate as the single-threaded owner for a critical domain, working across engineering, AI/ML, research, and design to deliver a seamless and scalable product experience. This role is a rare opportunity to define the strategy for a zero-to-one system—shaping how content is modeled … foundational capability within IDC’s next-gen discovery platform. Define the data models, technical architecture, and platform interfaces that power intelligent, context-aware product experiences. Partner with engineering to design and deliver scalable APIs, system components, and observability layers that enable extensibility and reuse. Collaborate with AI/ML teams to integrate capabilities such as semantic search, LLM-powered … or equivalent technical experience. Proven track record of shipping 0→2 products or scaling platform capabilities in ambiguous, high-accountability environments. Deep technical fluency—you can meaningfully shape architecture, APIdesign, and system trade-offs with engineering teams. Exceptional written and verbal communication skills; able to influence VP- and SVP-level stakeholders. Demonstrated ability to lead cross-functional More ❯
execution for a core pillar of this new platform. You will operate as the single-threaded owner for a critical domain, working across engineering, AI/ML, research, and design to deliver a seamless and scalable product experience. This role is a rare opportunity to define the strategy for a zero-to-one system—shaping how content is modeled … foundational capability within IDC’s next-gen discovery platform. Define the data models, technical architecture, and platform interfaces that power intelligent, context-aware product experiences. Partner with engineering to design and deliver scalable APIs, system components, and observability layers that enable extensibility and reuse. Collaborate with AI/ML teams to integrate capabilities such as semantic search, LLM-powered … or equivalent technical experience. Proven track record of shipping 0→2 products or scaling platform capabilities in ambiguous, high-accountability environments. Deep technical fluency—you can meaningfully shape architecture, APIdesign, and system trade-offs with engineering teams. Exceptional written and verbal communication skills; able to influence VP- and SVP-level stakeholders. Demonstrated ability to lead cross-functional More ❯
seamlessly via APIs. This is the opportunity to make a real impact in a rapidly growing team, while working on cutting-edge AI technology. What You'll Work On: Design and implement scalable backend systems using Python (FastAPI, Flask, or Django) Integrate AI-generated code into production-ready services Take ownership of projects from idea to production — collaborating across … teams Experiment with LLM- and agentic-coding workflows to accelerate development Who You Are: 5+ years of experience in back-end development (Python based stack ideally) Strong understanding of APIdesign and systems architecture Strong communication and collaboration skills Exposure to AI, LLMs or modern ML-backed systems is a plus! Apply now or reach out directly: hhandelman More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Hunter Bond
seamlessly via APIs. This is the opportunity to make a real impact in a rapidly growing team, while working on cutting-edge AI technology. What You'll Work On: Design and implement scalable backend systems using Python (FastAPI, Flask, or Django) Integrate AI-generated code into production-ready services Take ownership of projects from idea to production — collaborating across … teams Experiment with LLM- and agentic-coding workflows to accelerate development Who You Are: 5+ years of experience in back-end development (Python based stack ideally) Strong understanding of APIdesign and systems architecture Strong communication and collaboration skills Exposure to AI, LLMs or modern ML-backed systems is a plus! Apply now or reach out directly: hhandelman More ❯
Have deep familiarity with Python data ecosystem Understanding of Jupyter notebooks Exposure to machine learning libraries like PyTorch, XGBoost and JAX Understanding of crypto or traditional financial markets Strong APIdesign and documentation skills What do you get in return? Up to 250k base (depending on experience) 3 days in their new central London office Pension scheme More ❯
Central London, London, England, United Kingdom Hybrid / WFH Options
Opus Recruitment Solutions Ltd
Have deep familiarity with Python data ecosystem Understanding of Jupyter notebooks Exposure to machine learning libraries like PyTorch, XGBoost and JAX Understanding of crypto or traditional financial markets Strong APIdesign and documentation skills What do you get in return? Up to £250k base (depending on experience) 3 days in their new central London office Pension scheme More ❯
University of the Arts London (UAL) is a world-leading creative University for teaching and research in art, design, fashion, communication and performing arts. UAL is made up of six renowned colleges and hosts several centres and institutes that further the University’s mission and social purpose, through the students and ideas we send out into the world and … and Data team, which plays a critical leadership role in shaping and delivering University of the Arts London’s enterprise integration strategy. This role is responsible for driving an API-first approach to system integration, ensuring that UAL’s digital platforms are seamlessly connected, scalable, and aligned with strategic priorities. You will lead a team of integration architects and … developers, overseeing the design, development, and optimisation of APIs that support business outcomes and enhance user experience. This includes managing the full lifecycle of integration services from strategy and architecture to delivery and operational support. The role requires close collaboration with internal stakeholders across Digital & Technology, academic colleges, and external partners to ensure integration solutions are robust, secure, and More ❯
University of the Arts London (UAL) is a world-leading creative University for teaching and research in art, design, fashion, communication and performing arts. UAL is made up of six renowned colleges and hosts several centres and institutes that further the University's mission and social purpose, through the students and ideas we send out into the world and … and Data team, which plays a critical leadership role in shaping and delivering University of the Arts London's enterprise integration strategy. This role is responsible for driving an API-first approach to system integration, ensuring that UAL's digital platforms are seamlessly connected, scalable, and aligned with strategic priorities. You will lead a team of integration architects and … developers, overseeing the design, development, and optimisation of APIs that support business outcomes and enhance user experience. This includes managing the full life cycle of integration services from strategy and architecture to delivery and operational support. The role requires close collaboration with internal stakeholders across Digital & Technology, academic colleges, and external partners to ensure integration solutions are robust, secure More ❯
Solution Architect - Client-facing TypeScript APIDesign Hybrid (2 Days Onsite in Central London) £105,000-£110,000 + 15% Discretionary Bonus Method Resourcing is thrilled to be partnering with a global leader in the travel industry who are hiring a Client-facing Solution Architect to join a high-performing architectural team click apply for full job details More ❯
Lead Software Engineer – Azure/.NET Remote/London (occasional office visits) £Competitive + 20% bonus + excellent benefits Azure, C#, .NET, API A Lead Software Engineer with strong experience in Azure and C#/.NET is required by a global, prestigious luxury brand. This is a hands-on leadership role where you will translate architectural vision into high … performance, enterprise-grade solutions. Working closely with the Global Head of Engineering and a talented global team of developers and architects, you will plan, design, and deliver scalable, secure, and automated cloud platforms within Microsoft Azure. The organisation has beautiful offices in the West End, with a requirement to attend approximately once a fortnight. Key Responsibilities: Design and … deliver high-performance, public-facing REST APIs and system integrations within a modern Azure environment. Produce API documentation that adheres to OpenAPI 3.x standards. Lead and mentor a small, focused development team, promoting collaboration, code quality, and technical excellence. Modernise legacy systems and drive the development of next-generation, cloud-native solutions aligned with architectural best practices. Champion DevOps More ❯
you are excited by the challenge of building the commercial and trust-based foundation of a new product category, this role is for you. Key Responsibilities Monetization & Platform Architecture Design, build, and own the end-to-end metering and entitlements system that powers our freemium business model, targeting a 30% premium conversion rate. Architect and manage our core database … eg, PostgreSQL) and caching (eg, Redis) systems. Demonstrated experience building services on a major cloud platform (eg, AWS, Azure, GCP). Strong understanding of distributed systems, microservices architecture, and API design. Security & Compliance A deep and demonstrable security-first mindset. Hands-on experience implementing security best practices at the application layer, including authentication (eg, OAuth 2.0, JWT), authorization (RBAC More ❯
