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Full Stack Engineer Financial Services Hertfordshire Job Type - Permanent Salary - Competitive About Us We're a rapidly growing wealth management firm on an ambitious journey to 5x growth over the next 6 years. Our small but mighty data team of 3 has built a cutting-edge platform using open-source technology on AWS, delivering everything from real-time dashboards to innovative web applications. We believe in shipping fast, learning quickly, and building tools that advisers and clients actually love to use. The Opportunity We're looking for a Full-Stack Engineer to join as our 4th team member and own the delivery of critical web applications. This is a hands-on role where you'll build tools that directly impact adviser productivity, operational efficiency, and client experience. You'll work on everything from trading platforms to client presentation tools, with full ownership from concept to production. This isn't about maintaining legacy systems – you'll be building greenfield applications that enable our growth strategy. What You'll Do · Design, build and deploy full-stack web applications using React, Python, and AWS · Own multiple projects simultaneously, from initial requirements through to production deployment · Work directly with advisers and operations teams to understand needs and deliver solutions · Build responsive, intuitive frontends that non-technical users love · Develop robust APIs and backend services integrated with our internal and 3rd party systems · Deploy containerized applications on AWS EKS with robust CI/CD pipelines · Balance "perfect" with "shipped" – knowing when good enough is exactly right · Contribute to technical decisions as we scale Essential Requirements · 3+ years commercial experience building production web applications · Strong React skills (hooks, state management, modern patterns) · Proficient in Python backend development (FastAPI, Flask, or Django) · Cloud technology experience (AWS preferred but happy with Azure and GCP experience) · Experience with Docker, Kubernetes, and Infrastructure as Code · Solid SQL skills and experience with data integration · Experience translating vague business requirements into working software · Track record of delivering projects on aggressive timelines · Comfortable working autonomously with minimal supervision · Excellent communication skills with non-technical stakeholders Desirable Experience · Financial services or wealth management background · Tableau or BI tool integration · dbt, Dagster, or modern data stack tools Our Tech Stack · Frontend: React, TypeScript, Modern CSS · Backend: Python (FastAPI/Flask), Node.js · Data: Apache Iceberg, dbt, Tableau · Infrastructure: AWS EKS, Docker, Terraform What We Offer · Clear project pipeline with high business impact · Progression opportunities as team scales · Modern tech stack with autonomy to choose the right tools · Direct exposure to senior stakeholders and business strategy · Hybrid working with genuine flexibility · Opportunity to shape technology direction at a scaling firm

The purpose of this role is to solve complex business problems and technical challenges through the design and development of frontend applications. Drive technical design and architectural decisions for the frontend, ensuring scalability, maintainability, and security. Promote and demonstrate softw

Zuma Labs is a disruptive technology startup building force multipliers for systemic industries.Our first two products, Venetian and Squawk, target the over-the-counter (OTC) trading markets.We work closely with our customers and count a large publicly traded brokerage among our partners.Trading tec

Mid-level Frontend Engineer (Remote) – UKLondon, Remote**The role:We are looking for highly talented and driven software engineers who take pride in their work, to expand our Engineering team in London. Technical expertise with Frontend: at least one Frontend framework, ideally React. Ship

S&P Global corporates value stream technology team consists of geographically diversified software engineers responsible to develop scalable solutions by working directly with product development team. Our team culture is oriented towards equality in the realm of software engineering irrespective of

A fast-growing tech company in Greater London is seeking a React Developer to join their agile team.In this role, you'll implement user interface components and ensure the application is robust and maintainable.Ideal candidates will possess expert knowledge in JavaScript and React, with a passion fo

Collaborate closely with backend and platform engineers to design API contracts and data‑flow patterns that keep frontend implementation clean and maintainable. By enabling high-fidelity, multi-physics simulation through AI inference across the entire engineering lifecycle, PhysicsX unlocks new le

The Monolith AI Engineering Team at CoreWeave is responsible for building and scaling the core platform that powers the world’s most advanced engineering simulation and AI workflows — our ambition is to become the super‑intelligent AI test lab for the engineering industry, helping customers ��

Deep React experience: Expert knowledge of React and modern frontend tooling (Vite, ESLint, testing frameworks, etc. Why join Koinly as front-end engineer?. In this role, the frontend isn't just a "skin" for an API.

A growing AI startup in London is seeking experienced Frontend Engineers and React Native Engineers to join their ambitious team.

The role involves designing and implementing user-friendly interfaces, collaborating with designers and engineers, and modernising legacy applications.

FX Digital is a specialist Connected TV agency, providing a wide range of services, including Product Strategy, Design, Engineering, and Test Automation. As a Senior Software Engineer at FX Digital, you take a leading role in shaping the technical direction of our Connected TV and living room experi

A leading research platform firm is seeking a Mid-level Frontend Engineer to join their remote team in the UK. Join us to make a notable impact as part of a talented engineering team.

A leading financial services organization in Greater London is seeking a Lead Frontend Software Engineer to develop new electronic trading platform applications. The role involves collaborating with senior stakeholders and mentoring other engineers in a dynamic, innovative environment. Candidates sh

Morson Edge has teamed up with a well-known European Tech business to recruit Principal/Staff level Frontend Engineers for a high-performing team. Principal Frontend Engineer - Up to 120k - Fully Remote. As a senior member of the team you will translate big ideas into shippable, high-quality product

A leading cybersecurity company in Greater London is looking for a Senior Frontend Engineer to create high-performance user interfaces. Candidates should have substantial experience in frontend development, particularly with TypeScript and modern frameworks like Vue, as well as a commitment to code

A leading crypto-native firm in the UK is seeking a frontend software developer to build a high-performance perpetual trading interface on Solana.

A progressive tech company in Greater London is seeking a Senior Software Engineer to enhance the frontend architecture and collaborate with cross-functional teams. In this role, you will focus on maintaining and developing innovative features while mentoring junior engineers.

You are a frontend developer with at least 5 years’ experience. Emma was founded by engineers, who are extremely focused on coding, product and data.

A leading global financial services firm in Greater London is seeking a Senior Software Engineer to join their Equities Sales and Trading Technology team. Candidates should have experience in software engineering, including programming, cloud technologies, and a strong understanding of technical pro

A leading fintech startup in London seeks a Frontend React/React Native Engineer to enhance financial health through innovative features.

The purpose of this role is to solve complex business problems and technical challenges through the design and development of frontend applications. Drive technical design and architectural decisions for the frontend, ensuring scalability, maintainability, and security. Promote and demonstrate softw

A leading climate-tech company is looking for a frontend leaning full-stack engineer to own the frontend architecture and drive UI quality while being involved in backend systems.

The team blends Full Stack Engineers and UI Specialists, and this hire will have both the autonomy and freedom to lead feature development and take ownership of greenfield initiatives launching in 2026. The engineering group is known for solving technical and mathematical problems with creativity an

A tech-focused design firm in London is searching for a frontend engineer to enhance their Revit tools.

A leading technology company is seeking a Frontend Developer to enhance AI systems through frontend engineering.

Chumley is looking for a Junior Software Engineer to help design, build, and scale internal and customer-facing products from the ground up. Developing and maintaining features that support field engineers and operations teams. If you enjoy working across the stack, like shipping quickly, and want t

A leading defence organization in the UK is seeking a Systems Engineer to deliver engineering expertise for complex weapon capabilities. Ideal candidates will have experience in systems engineering disciplines such as requirements analysis and system architecture design.

Veeva Link seeks a senior level Front End Engineer (React) to participate in architecting and developing innovative web applications.

A leading identity verification platform in the UK is seeking an experienced Senior Frontend Engineer to enhance their user-facing components of the Verification Platform. The ideal candidate has over 5 years of experience in frontend applications, a strong understanding of design patterns, and is s

A leading deep-tech company in London is seeking a Senior Frontend Software Engineer to develop a cutting-edge platform for simulation and machine learning. This role involves building intuitive interfaces for complex data, designing scalable architectures, and mentoring junior engineers. Candidates

You'll join a supportive group of strong engineers and a world‑class product team, taking full end‑to‑end ownership of feature development—from planning and architecture to shipping and monitoring. Collaborate extensively—you’ll work closely with fellow engineers, the Product Manager, Pr

A fintech and legal tech platform in Greater London is seeking a Frontend and AI Developer for a full-time, hybrid role. This unique position combines frontend work and AI exploration within a cutting-edge industry.

You’ll work closely with product, data, and backend engineers, owning the front‑end experience end‑to‑end while contributing backend changes where appropriate.

A leading technology firm in Greater London is seeking a Lead Front End Developer to deliver innovative digital services for government transformation.The role requires deep expertise in modern JavaScript frameworks such as React, Next.You will mentor junior developers and lead development teams thr

This role combines engineering with design, requiring knowledge of UI/UX principles and back-end development with PHP.

As a Software Engineer, you will collaborate with top-tier engineers and work with modern React to build responsive and scalable UIs. This company values its engineers as its #1 asset, providing clear progression paths and exposure to cutting-edge technologies.

A leading technical consultancy in Greater London is seeking a skilled Front-End Developer to create responsive and user-friendly web interfaces.You will work with designers and back-end developers to ensure high performance and deliver seamless digital experiences.Ideal candidates should possess st

A climate-tech company is seeking a Lead Product Engineer with strong frontend focus and full-stack capability. The role involves defining frontend architecture, building user-friendly features, and collaborating with teams to shape product direction.

A leading financial analysis platform in Greater London seeks a Frontend Developer to design and deliver high-quality web solutions.

A leading subscription service provider in Greater London seeks a Frontend Engineer to develop and maintain scalable applications using React and React Native.

Whitehall Resources are looking for a Frontend Engineer. This role will be for a Frontend Software Engineer who is experienced in their field. The individual will be working within a single team assisting with the creation of new frontend products.

A leading financial services company in London seeks an experienced software developer to join their innovative team.In this role, you'll provide best-in-class analytical solutions by leveraging big data and machine learning technologies.The ideal candidate has over 5 years of technology experience,

A leading cloud technology company in Greater London seeks a Fullstack Engineer with a strong frontend focus to enhance their AI platform. You'll collaborate closely with design and backend engineers to create fast and intuitive workflows for users. A suitable candidate has substantial experience in

A leading stealth-mode AI company in Greater London is searching for a Full Stack Engineer specializing in Frontend development.

You will design and build dashboards for data visualization while working closely with backend engineers.

A leading SaaS business in the UK is seeking a Senior Software Engineer to focus on frontend development for an enterprise platform.

Set the standard for frontend engineering quality; establish patterns, tooling, and practices that the whole organisation follows. Develop engineering talent through mentorship, technical leadership, and driving a culture of engineering excellence. We are looking for a brilliant, creative, curious,