51 to 74 of 74 Software Engineer Jobs in the City of London

onboarding to secure SSO and real-time data integrations, Connect is helping frontline organisations empower their people at scale. We’re looking for a Software Engineer to help shape and build the next generation of Connect. You’ll work as part of a multidisciplinary team across engineering, product ...

offices (on average once per week), and were happy to discuss flexibility to make this work for you. We are looking for a Lead Software Engineer who will be responsible for the design, development, and deployment of high-quality software solutions click apply for full job details ...

Role: C++ Software Engineer - Up to £190k + Bonus Salary: Up to £190k + Bonus Location: London (Hybrid) Skills: Language agnostic, just need to be a keen technologist (Ideally experienced in C++/low level languages) This firm is an elite company with high tech standards who have … Erlang), or purpose-built languages similar to OCaml • Building out low latency infrastructure and tweaking research models What else is in it for you? • Software Engineers are treated as the company's #1 asset • Low attrition rate; people working there love what they do on a daily basis! • Very ...

Role: Software Engineer - AI Agents | Rust | Typescript | React Location: London, 4 days in office (Shoreditch) Salary: Up to £200,000 About the company We’re an early-stage technology company building a new AI-powered product focused on improving how organisations design, reason about, and operate complex models … where high-impact decisions are made using outdated tools and fragile processes. While these workflows sit at the core of many businesses, the underlying software has seen little meaningful evolution. Longer term, the ambition is to build a broader platform that supports the full lifecycle of complex decision-making ...

head over to Dex to find other opportunities with top tech companies, where you can truly find work that matters! Early-Stage AI "Software Factory" Disruptor Our partner is a high-growth, VC-backed startup tackling a massive societal challenge: the digital transformation of physical industries like energy, manufacturing … logistics. While most software ignores these "real-world" sectors, this team is building an AI-powered Software Factory to deploy bespoke digital tools that fix fragile legacy systems. Backed by top-tier investors like Notion Capital and Hoxton Ventures, they’ve seen explosive revenue growth since ...

Role: Software Engineer (Rust) – Up to £200,000 + Bonus + Package Salary: Up to £200,000 + Bonus + Package Location: London (Hybrid Working) Skills: Rust as a main language This firm is an elite technology company with exceptionally high standards , known for previously setting world records … scalable systems using Rust Working alongside a handpicked group of top-tier engineers in the industry What else is in it for you? Software Engineers are treated as the company’s #1 asset Low attrition rate – people genuinely love what they do Very friendly, tight-knit engineering environment Flat ...

Senior Product Engineer (Fullstack Software Engineer+AI) London, Old Street, Onsite, AI Agents, Skippr AI (direct, no agency please) ⭐ About the role We’re looking for a Product Engineer to join our small but high-calibre team in Old St . We’re a team that ...

Senior Java Engineer (Core Java) £100,000 - £130,000 Central London - Hybrid A high-growth, privately backed Enterprise SaaS company is seeking a Senior Core Java Engineer to join its London-based engineering team. The organisation builds large-scale, mission-critical platforms used by some of the most ...

Staff Product Engineer London | Hybrid | Full-time Salary: Up to £125,000 We’re partnering with a high-growth, AI-native consumer technology start-up that’s tackling a large, complex and highly visible everyday problem at national scale. They’re looking for a Staff Product Engineer … small number of high-impact initiatives that materially change how customers experience the product and how the platform scales. As a Staff Product Engineer, you’ll lead complex, cross-cutting initiatives from problem definition through to production, working closely with product, operations and leadership. You’ll focus on turning ...

Platform Engineer – Trading London (3 days/week) | £150k + significant equity The mission Join an early-stage, VC-backed startup building a trading platform for GPU. Users hedge and speculate on spot prices like any financial market, backed by top-tier investors (including Anthropic backers) and founders from ...

Joining our team you will be jointly responsible for the design, development, and maintenance of secure, scalable software systems powering both internal and external products and services related to AgeChecked frontend, AgeChecked for Ecommerce, AgeAware and other special projects. You will work across the stack, building robust back ...

looking for a Senior Software Enginee r to join the founding team. You're a builder who thrives where speed, ownership, and adaptability matter. Help scale the platform and build a strong engineering team to support rapid growth and an expanding enterprise customer base. What You'll Do: Design … Stack: React, TypeScript, Node.js, Postgres, DuckDB, Dagster, dbt, Ducklake, AWS, Docker, Terraform, GitHub Actions, DataDog What We're Looking For Required: Solid full-stack software engineering experience Strong track record building B2B SaaS products Experience with React, TypeScript, and Node.js Comfortable working across frontend, backend, and infrastructure Thrives ...

Job Title: Java Developer (Electronic Trading Platform - FIC) Contract Type: Outside IR35 Location: London Day Rate: Up to £950 per day Flexible Hybrid working: 1-2 days a week in London City offices Client: Prestigious ...

product. We are looking for We would love to hear from you if you have: 3–5 years’ experience as a full-stack engineer in a fast-growing product-led company (experience as a founding engineer or engineering lead is a plus) Strong proficiency in Python, React, TypeScript ...

multi-strategy hedge fund with a strong focus on systematic and quantitative trading. Founded by industry veterans, it combines deep financial expertise with advanced software engineering to manage institutional capital globally. What You’ll Do Design and build high impact internal systems using Java Own projects ...

data science problem. They are deploying massive compute clusters and proprietary machine learning models to trade billions of dollars daily. If you're an engineer who cares about nanoseconds, cache locality, and architecting petabyte-scale infrastructure, this is the pinnacle of technical challenge. What You’ll Work On Architect … implement the critical path for trading execution, building order management systems and market connectivity layers where performance is measured in microseconds. Scale Data Pipelines: Engineer elegant, distributed systems capable of ingesting and processing petabytes of market and alternative data, ensuring absolute consistency for research teams. Operationalize Machine Learning: Bridge ...

best practices to develop clean, resilient code that performs at serious scale. Coaching and providing feedback to fellow developers. What you'll bring Strong software engineering skills with experience in Scala, ideally the typelevel stack (bonus if you have exposure to Golang and Python). Interest in machine learning … systems used to ingest, process, and store large-scale datasets, with an understanding of scalability, fault tolerance, and performance considerations. Practical experience with modern software development practices, including automated CI/CD pipelines, containerisation technologies (e.g., Docker), and deploying applications to cloud environments (e.g., AWS or GCP). Ability ...

best practices to develop clean, resilient code that performs at serious scale. Coaching and providing feedback to fellow developers. What you'll bring Strong software engineering skills with experience in Scala, ideally the typelevel stack (bonus if you have exposure to Golang and Python). Interest in machine learning … systems used to ingest, process, and store large-scale datasets, with an understanding of scalability, fault tolerance, and performance considerations. Practical experience with modern software development practices, including automated CI/CD pipelines, containerisation technologies (e.g., Docker), and deploying applications to cloud environments (e.g., AWS or GCP). Ability ...

software developer who enjoys working with financial markets and innovative technology? Spun out of one of the most successful hedge funds globally, you'll get the chance to work with likeminded people on an innovative project. You’ll join a team of 4 to contribute to the build ...

Senior Full Stack Developer We are looking for a high-caliber Senior Full Stack Developer (L5 equivalent) to join a specialized innovation 'incubator.' Our mission is to accelerate the AI transformation of global business operations ...

hiring-at-Sanctuary-de00a6bec35b4b128f4e61f583c87f2d ⚡ TL;DR Description: We are building the go-to AI services company for healthcare Role: Forward Deployed AI Engineer, who can help us discover, gain clarity and build AI solutions for healthcare clients. We want to answer the question of what patient care looks like … age. Role Overview The Forward Deployed AI Engineer role at Sanctuary Health is a pivotal, both forward-deployed work and internal developer role responsible for the end-to-end lifecycle of technical solutions, from deep-dive customer discovery and project scoping to delivery and eventual internal productisation for future ...

operating across all liquid asset classes with a strong, technology-driven and scientific approach to investing. Our client is looking for an Infrastructure Operations Engineer to support the stability and performance of their global Linux estate underpinning both trading and research platforms. You will be responsible for administering ...

key. There is strong end-to-end ownership and clear visibility across the full trading stack. They are looking for someone with a solid software engineering background and several years of experience (typically around 3–7). Experience with trading systems or DeFi is beneficial but not required. What ...

Senior Full Stack Developer We are looking for a high-caliber Senior Full Stack Developer (L5 equivalent) to join a specialized innovation 'incubator.' Our mission is to accelerate the AI transformation of global business operations ...