Jobs for senior software engineer- java at London

**About Freetrade** Freetrade’s mission is to become the default place to invest. Investing has been too complicated and expensive for too long, keeping millions from making the most of their savings. We’re changing that. We’re building our team and looking for people who are excited to reshape how our customers invest and grow their...

Architect, build, test and ship high impact user journeys and subscription funnels, focusing on turning curious visitors into engaged subscribers Design and run experiments across web and app - onboarding flows, paywalls, plan discovery - to improve conversion at every step Work closely with Product, Design and Data to help prioritise opportunities, define...

We’re hiring a Software Engineer to help turn cutting-edge AI research into products our customers rely on every day. You’ll sit on a fast-paced engineering team between our research org and our Applied teams, taking new model capabilities from proof of concept to robust, well-documented APIs serving production traffic at scale Design and ship...

1 day ago Be among the first 25 applicantsivee is exclusively for people returning to work after a career break in the UKPlease do not apply if you are outside the UK.Have you taken a career break and are looking to return to work? Are you struggling to find flexible jobs that fit around your family life/caregiving?At ivee, we’re on a mission to help every...

At Longshot Systems we build advanced platforms for sports betting analytics and trading. We’re looking for a Senior Software Engineer to join the team that owns and develops our trading platform. Longshot is a small, focused company and so the role suits someone who can architect and implement whatever is needed to meet our next product, performance or...

We’re building the next generation of travel and expense (T&E) technology using AI and large language modelsOur mobile platform blends cutting-edge AI with strong product and UX so travelers get an intelligent companion, not just another booking appThe app should understand needs, anticipate requests, and deliver personalized help through conversational UI...

Trusted Connectivity for AI-Powered Dominance. Everfox delivers trusted connectivity to protect the world’s most critical environments and safeguard the sensitive data powering decision advantage. Built for mission-critical operations, Everfox protects what matters most by securing how data moves, how users access it, and how threats are neutralized across...

Accepting applications until: 16 October 2026Job DescriptionYour Role: Senior Java DeveloperWe’re looking for an experienced backend engineer with a passion for technical excellence and improving user experiences. You’ll join our DAX engineering team, working on our ad server platform and related products that power campaign delivery at scale. This role...

Join Axon and be a Force for Good.At Axon, we’re on a mission to Protect Life. We’re explorers, pursuing society’s most critical safety and justice issues with our ecosystem of devices and cloud software. Like our products, we work better together. We connect with candor and care, seeking out diverse perspectives from our customers, communities and...

Senior Software Engineer - Digital WorkplaceJoin to apply for the Senior Software Engineer - Digital Workplace role at CanonicalSenior Software Engineer - Digital Workplace3 days ago Be among the first 25 applicantsJoin to apply for the Senior Software Engineer - Digital Workplace role at CanonicalCanonical is a leading provider of open source software and...

A leading payments consultancy in London is seeking a Principal Software Engineer to design scalable, high-availability systems. You will work with Java 17+, Spring WebFlux, and Kafka in a hybrid environment, contributing to real-time transaction solutions for major global banks. Ideal candidates have strong experience in reactive programming and an agile...

Senior Software Engineer C++ (Python, SQL, Linux, Trading, FinTech, Financial Technology, Low Latency, Backend)***This is a hybrid role, 3 days remote and 2 days in the office***Our client actively encourages diversity, equality and inclusion within its workforce and welcomes applications from a diverse background, REC Solutions Limited does not discriminate...

Senior Software Engineer, Event Streaming SystemsJoin us in our mission to transform the way people shop and eat, where impact, innovation and growth drive everything we do. Our Engineering teams tackle complex technical challenges across a global, three-sided marketplace, building and scaling systems that serve millions of customers, riders and partners...

Are you passionate about building secure, scalable software and cloud infrastructure that supports critical services in production?Do you enjoy collaborating across teams, improving engineering practices, and helping others grow while delivering high-quality solutions?About our TeamWorking within Information Security & Data Protection division, the content...

Company DescriptionWise is a global technology company, building the best way to move and manage the world’s money.Min fees. Max ease. Full speed.Whether people and businesses are sending money to another country, spending abroad, or making and receiving international payments, Wise is on a mission to make their lives easier and save them money.As part of...

Based a few miles outside of Cambridge, this tech company have commercial field trials with UK and European partners, and are developing their next-generation mobile robots. Their small team have big ambitions and are looking to hire a Senior Software Engineer to contribute to their goals.As a senior engineer, youll take a lead on some projects whilst...

hackajob is partnering directly with Verisk Analytics to hire for this role. DescriptionAtVeriskIgnite , we build innovative technology solutions that help our customers make better decisions through data, analytics, and software. We are looking for a highly experiencedSeniorBack-EndSoftwareEngineerto join our growing engineering team and play a key role in...

This range is provided by Client Server. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.Base pay rangeDirect message the job poster from Client ServerSenior C++ Software Engineer / Developer (Linux SQL C++17) London / WFH to £110kGlobal-leading FinTech is seeking a Senior C++ Software Engineer to take...

Wise is seeking a senior backend engineer to design, develop, and maintain scalable services using Java and Spring Boot within a microservices framework. You will apply domain-driven design to build robust solutions and lead event-driven architecture efforts with Kafka, while optimizing PostgreSQL databases for performance.Collaborate across teams to support...

The right to work in the UK without sponsorship is essential for this vacancy.An exciting opportunity for a Senior GPU Software Engineer has arisen with a high-performance technology company, based in London.This is a fantastic opportunity for an experienced Senior GPU Software Engineer to take a key role in designing, optimising and scaling high-performance...