Jobs for senior software engineer- java at London

Impact and Responsibilities We are seeking a Senior Software Engineer who thrives on untangling complex systems and modernising core infrastructure without breaking production. This is an exciting opportunity to modernise core C#/SQL systems! Extract legacy business logic, build clean services, and verify changes in shadow mode with zero downtime to revenue...

A leading technology organisation is seeking an experienced Senior Software Engineer to join a team responsible for developing and supporting critical software applications used to monitor, analyse, and optimise large-scale operational systems. This is an exciting opportunity for a hands-on engineer to work on real-time data platforms, operational tooling,...

Job DescriptionCheck out the role overview below If you are confident you have got the right skills and experience, apply today.About XceedanceXceedance is a global provider of strategic consulting, managed services, and technology solutions to the insurance industry. We help insurers, reinsurers, brokers, and MGAs modernize operations, enhance underwriting...

OverviewAbout usBauer Media is a leading media business reaching millions of people across Europe through audio, digital, and out of home advertising. We’re behind well known brands including Kiss, Absolute, Magic, Grazia, and Empire. Within our Outdoor division, we connect audiences through thousands of digital screens and poster sites in high impact...

Location: 1-2 days per week in the London office Who are we? We’re the original pioneers in connected commerce marketing. Since 2008, we’ve been partnering with major retailers, powering global brands, and building meaningful connections with shoppers. We simplify the mind-boggling complexity of today’s retail media landscape. We deliver impactful...

Role: Senior Software Engineer (.NET / Azure)Location: London, hybrid (2-3 days per week in office)Immersum are partnering with a rapidly growing Fintech business operating in the FX and payments space who are looking for a Senior Software Engineer to join an autonomous engineering team.This is a role for someone who wants to build and own products from the...

Full Stack Engineer (ML Ops)London, UK FinTech · Banking · FinanceSkills & ExperienceJob roles: Full Stack Experience level: Mid, Senior Core skills considered: Java, React, Redux, AWS, JavaScriptLogisticsBase salary: £70K - £110KEmployment type: PermanentRemote working: Hybrid (up to 2 remote days per week)Visa sponsorship: Not availableJob...

Senior Software Engineer – Capitolis Portfolio Optimization Team London, UK We believe the financial markets can and should work for everyone. Capitolis is the technology company helping to create safer and more vibrant financial markets by unlocking capital constraints and enabling greater access to more diversified capital and investment opportunities....

We’re fixing the most broken process in business. Whether it’s SaaS, hardware, or contractors, a typical B2B purchase drags on for 3+ months, spawns 50+ emails, and pulls in multiple stakeholders across Finance, Legal, Security, and IT. Nobody likes it, and it slows businesses down. Omnea exists to change that. Our AI-native platform connects the people,...

Kantar is the world’s leading AI-native marketing data and analytics business and an indispensable brand partner to the world’s top companies. We combine the most meaningful attitudinal and behavioural data with deep expertise and advanced analytics to uncover how people think and act. We help clients understand what has happened and why and how to shape...

As a Senior Full Stack Engineer, you'll design and ship high-performance web applications across our React/Next.js frontend and Node.js/Express backend with real autonomy. You'll make architectural calls, explain the tradeoffs behind them, and stand behind them in review. You'll work directly with product managers and stakeholders to shape requirements, not...

React.js | TypeScript | Next.js | Product & AI-Focused We're partnering with an ambitious fintech scale-up entering a major growth phase as it expands its product offering and invests heavily in technology, AI, and customer experience. This isn't a role for someone who simply wants to build features. We're looking for an engineer who wants to help shape...

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 – YC‑Backed Startup Located in London. This founding team role offers £90 K–£120 K plus equity. I'm working with an exciting YC‑backed startup in London that's just closed a multi‑million‑pound funding round and is looking for a Senior Software Engineer to join their founding engineering team. Despite being...

OverviewPassionate about contributing to a more sustainable world? Bring your passion for sustainability and digital innovation to a meaningful Senior Software Developer role that is instrumental in shaping and advancing the digital infrastructure that supports our engineering and consultancy teams to design services for some of the world's best and most...

This range is provided by RJC Group. 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 RJC GroupRJC is looking for a Senior .Net developer role for a global energy trading company based in London. Working as part of the Front Office t Dev team, they are...

Software Engineer – Mid-Level or SeniorA fantastic opportunity for experienced Software Engineers to join a highly innovative technology company at the forefront of advanced AI research and development. Working as part of a world-class engineering team, you will help design and develop cutting-edge software solutions that tackle complex real-world...

Senior Software Engineer - Full StackJoin 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 every day.From...

Senior Software Engineer, Machine Learning Infrastructure - Generative AIAbout the TeamDeliveroo's GenAI Platform team sits within Machine Learning Platform and builds the shared infrastructure that helps DoorDash, Wolt, and Deliveroo teams safely bring GenAI-powered products, agents, automation, and personalisation to production. Our mission is to increase...

Senior Software Engineering Manager-Edinburgh / HybridThis Senior Software Engineering Manager role inNetworking is a great technology to work on as it is a key enabler for the rollout of future AI technologies and Data Centres. It offers flexibility and variety, the opportunity to remain hands on technically whilst providing the capability to influence and...