core platform used by quant researchers and traders across desks and regions. What You’ll Be Driving Architect and build a global Lakehouse platform (Data Lake + OLAP) in AWS Develop scalable data pipelines in Python , working with SDKs and data libs Own end-to-end data modeling , ingestion, validation, and optimization for high-concurrency access Tune performance of cross … Bring 5+ years building data platforms in systematic trading, fintech, or high-throughput environments Mastery of Python and SQL – C++ is a plus Experience with cloud-native stacks (ideally AWS ) and interest in infrastructure as code A structured, pragmatic mindset with strong ownership and autonomy Ability to work closely with front-office teams and iterate fast Finance background is a More ❯
london (city of london), south east england, united kingdom
NJF Global Holdings Ltd
core platform used by quant researchers and traders across desks and regions. What You’ll Be Driving Architect and build a global Lakehouse platform (Data Lake + OLAP) in AWS Develop scalable data pipelines in Python , working with SDKs and data libs Own end-to-end data modeling , ingestion, validation, and optimization for high-concurrency access Tune performance of cross … Bring 5+ years building data platforms in systematic trading, fintech, or high-throughput environments Mastery of Python and SQL – C++ is a plus Experience with cloud-native stacks (ideally AWS ) and interest in infrastructure as code A structured, pragmatic mindset with strong ownership and autonomy Ability to work closely with front-office teams and iterate fast Finance background is a More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Anson McCade
What you’ll be doing Defining and delivering enterprise-level AI/ML security strategy and architecture Designing secure AI/ML models, pipelines, and cloud infrastructures across Azure, AWS and GCP Leading complex AI risk assessments, adversarial testing, and governance initiatives Embedding ethical AI principles and regulatory compliance (EU AI Act, GDPR, ISO 27001) Influencing senior stakeholders on secure … security, and adversarial machine learning Strong grasp of ethical AI frameworks, governance, and compliance standards Professional certifications such as CISSP, CISM, TOGAF, or SABSA preferred Cloud security experience (Azure, AWS, or GCP) Must be eligible to obtain UK SC Clearance The Package Up to £115,000 + package Hybrid working from London Exposure to cutting-edge AI security programmes across More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Anson McCade
What you’ll be doing Defining and delivering enterprise-level AI/ML security strategy and architecture Designing secure AI/ML models, pipelines, and cloud infrastructures across Azure, AWS and GCP Leading complex AI risk assessments, adversarial testing, and governance initiatives Embedding ethical AI principles and regulatory compliance (EU AI Act, GDPR, ISO 27001) Influencing senior stakeholders on secure … security, and adversarial machine learning Strong grasp of ethical AI frameworks, governance, and compliance standards Professional certifications such as CISSP, CISM, TOGAF, or SABSA preferred Cloud security experience (Azure, AWS, or GCP) Must be eligible to obtain UK SC Clearance The Package Up to £115,000 + package Hybrid working from London Exposure to cutting-edge AI security programmes across More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Asset Resourcing
invitation to their headquarters any time. Role Responsibilities: The Data Architect will be pivotal in shaping the approach to designing and developing data solutions using cloud technologies such as AWS and Azure. This position involves: - Leading the design and implementation of innovative cloud data platforms. - Setting standards for detailed solutions documentation and data governance. - Promoting Agile delivery methods across projects. … the Data Architect role will possess a blend of technical prowess and leadership skills. The desired qualifications and skills include: - Extensive experience in designing cloud data platforms using Azure, AWS, or exceptional on-premise design expertise. - At least 5 years in data engineering or business intelligence roles. - Proficiency in ETL and data pipeline design, with a technology-agnostic approach. - A More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Primis
and delivery. Key Responsibilities Lead client engagements focused on data architecture and modernisation. Define enterprise data strategies, architecture principles, and implementation roadmaps. Design and deliver cloud-native data platforms (AWS, Azure, GCP) and integration frameworks. Embed governance, security, and metadata management into architecture design. Translate complex technical concepts into business outcomes for stakeholders. Oversee project delivery and mentor junior consultants. … data stacks. Proven ability to design and implement scalable, secure, and governed data solutions. Excellent communication and stakeholder engagement skills. Desirable Skills Professional certifications in cloud or data architecture (AWS, Azure, GCP, Databricks). Experience designing data lakes, data meshes, or large-scale migration programmes . Familiarity with graph data models , semantic modelling , or metadata tools . Background in consulting More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Primis
and delivery. Key Responsibilities Lead client engagements focused on data architecture and modernisation. Define enterprise data strategies, architecture principles, and implementation roadmaps. Design and deliver cloud-native data platforms (AWS, Azure, GCP) and integration frameworks. Embed governance, security, and metadata management into architecture design. Translate complex technical concepts into business outcomes for stakeholders. Oversee project delivery and mentor junior consultants. … data stacks. Proven ability to design and implement scalable, secure, and governed data solutions. Excellent communication and stakeholder engagement skills. Desirable Skills Professional certifications in cloud or data architecture (AWS, Azure, GCP, Databricks). Experience designing data lakes, data meshes, or large-scale migration programmes . Familiarity with graph data models , semantic modelling , or metadata tools . Background in consulting More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Humand Talent
used and relied on by millions of people across the UK. What You’ll Be Working With You’ll take ownership of major projects, including: Designing scalable architecture across AWS and .NET environments Leading a CMS migration to a new version of Kentico Building and modernising subscription models , ecommerce journeys, and complex pricing structures Integrating with platforms like Stripe and … Software Architect, Technical Architect or Senior Developer/Tech Lead looking to step into a broader, more strategic role. Your experience might include: Strong background in .NET, C# and AWS architecture Experience with ecommerce or subscription platforms Solid understanding of scalability, cloud infrastructure , and user-centric design A collaborative, mentoring approach to team leadership Comfort working with senior stakeholders to More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Humand Talent
used and relied on by millions of people across the UK. What You’ll Be Working With You’ll take ownership of major projects, including: Designing scalable architecture across AWS and .NET environments Leading a CMS migration to a new version of Kentico Building and modernising subscription models , ecommerce journeys, and complex pricing structures Integrating with platforms like Stripe and … Software Architect, Technical Architect or Senior Developer/Tech Lead looking to step into a broader, more strategic role. Your experience might include: Strong background in .NET, C# and AWS architecture Experience with ecommerce or subscription platforms Solid understanding of scalability, cloud infrastructure , and user-centric design A collaborative, mentoring approach to team leadership Comfort working with senior stakeholders to More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Opus Recruitment Solutions
Java Developer – upto £140k plus shares Java21, Springboot, Microservices, TDD, AWS A well-funded, product-led tech startup is building a next-generation financial platform designed to serve millions across emerging markets. Their mission is to simplify access to stable, secure digital finance, enabling users to save, transact, and grow their money with confidence. We’re looking for x8 Java … deep experience in Java (17+), a strong grasp of distributed systems, and a passion for building infrastructure that performs under pressure. Tech stack includes: Java 21, Springboot, Microservices, TDD, AWS, React. This is a mostly remote role with one day a week in office, with flexible hours, competitive salaries, and the opportunity to shape a platform that’s expanding rapidly More ❯
treasury, and compliance workflows. Collaborate closely with traders and operations teams to deliver user-centric, high-performance applications. Contribute to the modernization of legacy systems by migrating infrastructure to AWS and Snowflake, improving scalability and maintainability. Develop solutions using C#, Python, SQL Server, and cloud-native tools, alongside modern UI frameworks such as React or Angular. Provide ongoing production support … developing and supporting Order Management (OMS) and Execution Management Systems (EMS). Strong proficiency in C# or Python, with advanced SQL and database design expertise. Hands-on experience with AWS, Snowflake, and modern software architecture. Solid grasp of data structures, concurrency, and memory management. Experience developing responsive, performant UIs using React, Angular, or Vue.js; familiarity with PowerBI or other BI More ❯
london (city of london), south east england, united kingdom
Mondrian Alpha
treasury, and compliance workflows. Collaborate closely with traders and operations teams to deliver user-centric, high-performance applications. Contribute to the modernization of legacy systems by migrating infrastructure to AWS and Snowflake, improving scalability and maintainability. Develop solutions using C#, Python, SQL Server, and cloud-native tools, alongside modern UI frameworks such as React or Angular. Provide ongoing production support … developing and supporting Order Management (OMS) and Execution Management Systems (EMS). Strong proficiency in C# or Python, with advanced SQL and database design expertise. Hands-on experience with AWS, Snowflake, and modern software architecture. Solid grasp of data structures, concurrency, and memory management. Experience developing responsive, performant UIs using React, Angular, or Vue.js; familiarity with PowerBI or other BI More ❯
data and AI innovation needs. Data & AI Solution Design Lead the design and development of secure, high-performance data pipelines, data lakes, and AI platforms using modern cloud technologies (AWS, Azure, or GCP). Define architecture patterns for data ingestion, transformation, and AI model deployment aligned with data governance policies. Develop technical specifications and blueprints that support scalable AI development. … years of experience in IT architecture, data engineering, or software engineering, including 7+ years focused on data and AI architecture . Proven track record in cloud-based data platforms (AWS, Azure, or GCP). Strong expertise in data modeling, warehousing, integration, and governance . Hands-on experience with SQL/NoSQL databases , data security , and performance optimization . Strong understanding More ❯
london (city of london), south east england, united kingdom
Astek Middle East
data and AI innovation needs. Data & AI Solution Design Lead the design and development of secure, high-performance data pipelines, data lakes, and AI platforms using modern cloud technologies (AWS, Azure, or GCP). Define architecture patterns for data ingestion, transformation, and AI model deployment aligned with data governance policies. Develop technical specifications and blueprints that support scalable AI development. … years of experience in IT architecture, data engineering, or software engineering, including 7+ years focused on data and AI architecture . Proven track record in cloud-based data platforms (AWS, Azure, or GCP). Strong expertise in data modeling, warehousing, integration, and governance . Hands-on experience with SQL/NoSQL databases , data security , and performance optimization . Strong understanding More ❯
SR2 | Socially Responsible Recruitment | Certified B Corporation™
and prominent angel investors, giving them a solid two-year runway and plans for another upcoming raise. The founding team includes senior engineers and researchers from Meta, Google, and AWS , each with deep experience training and deploying large-scale models. Their mission is simple but ambitious: to develop the next generation of language and multimodal foundation models and systems capable … DPO, or alignment optimisation). Solid software engineering fundamentals - version control, CI/CD, and production-grade model deployment. Experience working in cloud-native or high-performance compute environments (AWS, GCP, Docker, Kubernetes). A curiosity for foundational research and a desire to work on systems that push beyond the current limits of LLMs. Why Join Be part of a More ❯
london (city of london), south east england, united kingdom
SR2 | Socially Responsible Recruitment | Certified B Corporation™
and prominent angel investors, giving them a solid two-year runway and plans for another upcoming raise. The founding team includes senior engineers and researchers from Meta, Google, and AWS , each with deep experience training and deploying large-scale models. Their mission is simple but ambitious: to develop the next generation of language and multimodal foundation models and systems capable … DPO, or alignment optimisation). Solid software engineering fundamentals - version control, CI/CD, and production-grade model deployment. Experience working in cloud-native or high-performance compute environments (AWS, GCP, Docker, Kubernetes). A curiosity for foundational research and a desire to work on systems that push beyond the current limits of LLMs. Why Join Be part of a More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Bounce Digital
Title: Software Engineer (Fullstack) Salary/Package: £70k-£90k + Equity Company Sector: Fintech (Sustainability) Tech: TypeScript, Node, React, Next, GraphQL Location: Central London (London Bridge/Bank) WFH/Hybrid: 3 days a week on site Bounce are partnering More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Bounce Digital
Title: Software Engineer (Fullstack) Salary/Package: £70k-£90k + Equity Company Sector: Fintech (Sustainability) Tech: TypeScript, Node, React, Next, GraphQL Location: Central London (London Bridge/Bank) WFH/Hybrid: 3 days a week on site Bounce are partnering More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Burns Sheehan
Staff Software Engineer – THE AI Scale-Up of 2025 | Future Unicorn Up to £160,000 plus excellent stock options London – 2 days a week Next.js | React | Typescript | Node | Python Are you a product-focused Staff Software Engineer who enjoys autonomy More ❯
Central London, London, United Kingdom Hybrid / WFH Options
Feenicks Ltd TA Archway International
Imagine joining a fintech thats small enough for your code to make a dent yet backed by the kind of financial power that moves billions every day. This isnt another digital transformation project. Its about re-engineering how institutions handle More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Understanding Recruitment
Do you have 3-5 years experience and are looking for your next challenge? Have you been developing with Core Java without the use of frameworks? Mid Java Developer – Leading FinTech Location – hybrid in London 3 days a week Salary More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Understanding Recruitment
Do you have 3-5 years experience and are looking for your next challenge? Have you been developing with Core Java without the use of frameworks? Mid Java Developer – Leading FinTech Location – hybrid in London 3 days a week Salary More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Opus Recruitment Solutions
Java Developer - £100,000 - £140,000 – London/Hybrid Java 21 | Microservices | Spring boot | AWS | Startup | Scaleup | Fintech | Banking | AmazonWebServices | PostgreSQL | Are you a Java Developer who wants to have a voice within the team? Maybe you want to join a fast growing company with lots of progression. If so I have a role for you. Opus have … high performing back end systems. The sort of projects you will be involved in is building API’s , developing microservices and upgrading existing systems. Experience needed – Java 21 TDD AWS They’re also looking for people who have worked within a fast paced Startup/scaleup company. What is in it for you? Hybrid working(1-2 days a week … you’re interested please apply or send your CV to adam.holmes@opusrs.com to apply. Sponsorship isn’t available. Java 21 | Microservices | Spring boot | AWS | Startup | Scaleup | Fintech | Banking | AmazonWebServices | PostgreSQL More ❯
This is a fantastic opportunity to work as an AWS Platform Engineer on a long term contract for the NHS, inside IR35. It's important to note that this AWS Platform Engineer requires 2 days per week on site in Leeds city centre The key skills required for this AWS Platform Engineer role are: AWS Terraform Python If you do … have the relevant experience for this AWS Platform Engineer role, please do apply. More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Oliver Bernard
Senior Data Engineer - FinTech Unicorn - Python, SQL, DBT, Airflow, AWS/GCP OB have partnered with a UK FinTech Unicorn, who's Data function is undergoing rapid growth, and in-turn are looking to grow their Data team, with 2 highly skilled Data Engineers. You'll be working on shaping the companies Data function, driving Data best practices, and collaborate … with a variety of stakeholders to ensure the company are making Data driven decisions. Senior Data Engineer - FinTech Unicorn - Python, SQL, DBT, Airflow, AWS/GCP Tech Stack: Python & SQL DBT, AirFlow & BigQuery AWS/GCP ETL Pipelines Base salary of £90k-£115k depending on skills and experience Excellent overall package including a sizeable bonus and stock options Hybrid working … in Central London You must be UK based, and sadly sponsorship is unavailable Senior Data Engineer - FinTech Unicorn - Python, SQL, DBT, Airflow, AWS/GCP More ❯