London, England, United Kingdom · Hybrid
Accepting applications until: 31 July 2026 Job Description Your Role: Junior Java Developer – DAX Exchange Are you an early-career engineer who wants to build high-performance systems that power digital advertising at sc…
Skills: Java, Object-Oriented Programming, Data Structures, Algorithms, Git
London, England, United Kingdom · Hybrid
$165k–$195k/yr
At ClickUp, we're building the future of work: the first truly converged AI workspace unifying tasks, docs, chat, calendar, and enterprise search, all supercharged by context-driven AI. We are an AI-native company. Every…
Skills: Partnership Management, ISV Ecosystem Strategy, AWS Marketplace, Go-To-Market Execution, Business Development
London, England, United Kingdom · Hybrid
About Us At Axle Energy, we’re building the infrastructure that will underpin the decarbonised energy system. Our software moves energy usage to times when electricity is cheap and green, by controlling vehicle charging,…
Skills: International Expansion, Market Analysis, Financial Modelling, Regulatory Analysis, Business Development
London, England, United Kingdom · Hybrid
About Us At Axle Energy, we’re building the infrastructure that will underpin the decarbonised energy system. Our software moves energy usage to times when electricity is cheap and green, by controlling vehicle charging,…
Skills: Market Research, Data Analysis, Strategic Planning, Business Development, Project Delivery
London, England, United Kingdom · Hybrid
Fonoa is the Tax Operating System for autonomous tax. AI that tracks every rule, acts on every obligation, and proves every decision, built on modular infrastructure. Fonoa's modules cover the full indirect tax lifecycle…
Skills: Product Strategy, Indirect Tax, Tax Engine Design, AI Implementation, Content Strategy
London, England, United Kingdom · Hybrid
At eBay, we're more than a global ecommerce leader — we’re changing the way the world shops and sells. Our platform empowers millions of buyers and sellers in more than 190 markets around the world. We’re committed to pu…
Skills: Incident Response, Penetration Testing, SIEM, Digital Forensics, TCP/IP Protocols
London, England, United Kingdom · Hybrid
Are you our “TYPE”? Named "One of the Most Innovative Companies in Design'' by Fast Company, Monotype brings brands to life through type and technology that consumers engage with every day. The company's rich legacy incl…
Skills: M&A Pipeline Development, Deal Execution, Financial Modeling, Valuation Analysis, Due Diligence
London, England, United Kingdom · Hybrid
About the Role: Grade Level (for internal use): 11 The Team: You will join the Product Platform Design (PPD) team, a dynamic group responsible for designing, building, and evolving S&P Dow Jones Indices' (SPDJI) core pro…
Skills: Product Ownership, Business Analysis, Fixed Income Market Data, Agile Methodology, Azure DevOps
London, England, United Kingdom · Hybrid
As a global leader in cybersecurity, CrowdStrike protects the people, processes and technologies that drive modern organizations. Since 2011, our mission hasn’t changed — we’re here to stop breaches, and we’ve redefined …
Skills: Go, AWS, GCP, Azure, Kubernetes
London, England, United Kingdom · Remote OK
About Cinnamon Cinnamon is the most ambitious independent Roblox studio in the world. Our games have generated billions of visits. LifeTogether (3.5+ billion). Block Spin (990+ million). Bayview (600+ million). Built fro…
Skills: 3D Modeling, Environment Art, Prop Creation, Blender, Maya
London, England, United Kingdom · On-site
Amplitude is the leading AI analytics platform, helping over 4,700 customers—including Atlassian, Burger King, NBCUniversal, and Square—build better products and digital experiences. With powerful AI Agents embedded acro…
Skills: Customer Success, Technical Account Management, Enterprise Software Deployment, Data Governance, Project Management
London, England, United Kingdom · Hybrid
We’re Civica and we make software that helps deliver critical services for citizens all around the world. From local to state government, to education, to health and care, over 5,000 public bodies across the globe use ou…
Skills: Project Management, Client Relationship Management, Stakeholder Engagement, Problem Solving, Mentoring
London, England, United Kingdom · On-site
Intern London (Southbank office) Description We’re Civica and we make software that helps deliver critical services for citizens all around the world. From local to state government, to education, to health and care, ove…
Skills: User Acceptance Testing, Product Design, Technical Documentation, Sales Proposals, Product Demonstrations
London, England, United Kingdom · Hybrid
We’re Civica and we make software that helps deliver critical services for citizens all around the world. From local to state government, to education, to health and care, over 5,000 public bodies across the globe use ou…
Skills: Client Leadership, Project Delivery, UK Electoral Landscape Knowledge, Stakeholder Engagement, Mentoring
London, England, United Kingdom · Hybrid
Engine by Starling, was born out of Starling: the UK’s first and leading digital bank. Today, Starling delivers intuitive, customer-centric tools to help over 4.6 million people and small businesses to be ‘good with mone…
Skills: Enterprise Business Development, Complex Deal Closing, Stakeholder Management, Banking Industry Knowledge, Team Management
London, England, United Kingdom · On-site
Are you a motivated graduate looking to kickstart your career in the fast-paced world of AI and SaaS? Talkdesk is looking for two ambitious Junior Partner Business Managers to join our team. This isn't your average entry…
Skills: Relationship Management, Strategic Enablement, Pipeline Growth, Cross-Functional Collaboration, Partner Recruitment
London, England, United Kingdom · Hybrid
About us Founded in 2017, Wayve is the leading developer of Embodied AI technology. Our advanced AI software and foundation models enable vehicles to perceive, understand, and navigate any complex environment, enhancing …
Skills: Technical Program Management, Software Development Lifecycle, Agile Methodologies, Systems Engineering, Project Planning
London, England, United Kingdom · Hybrid
About us Founded in 2017, Wayve is the leading developer of Embodied AI technology. Our advanced AI software and foundation models enable vehicles to perceive, understand, and navigate any complex environment, enhancing …
Skills: Automotive Cybersecurity, ISO 21434, UNECE R155, TARA, Product Security Framework
London, England, United Kingdom · Hybrid
About us Founded in 2017, Wayve is the leading developer of Embodied AI technology. Our advanced AI software and foundation models enable vehicles to perceive, understand, and navigate any complex environment, enhancing …
Skills: Automotive Cybersecurity, ISO 21434, UNECE R155, TARA, Product Security Framework
London, England, United Kingdom · Hybrid
$58k–$108k/yr
🌍 About Keyrus Keyrus is a global consulting and technology company focused on making data matter — truly matter — from a human perspective. Founded in 1996, Keyrus operates in 28+ countries across 5 continents, with mo…
Skills: Python, Generative AI, LLMs, RAG Architectures, System Design
Sign up with Clera and we'll reach out the moment a role actually fits you — no more spraying applications into the void.
Develop and enhance the DAX Exchange and DOOH Scheduler using modern Java to power programmatic advertising. Maintain production services through monitoring, troubleshooting, and collaborating with senior engineers via code reviews.
Requires a degree in Computer Science or equivalent practical experience with strong foundations in Java and OOP. Candidates should be familiar with Git, Linux, and Agile methodologies, with a growth mindset toward cloud and real-time systems.
Your Role: Junior Java Developer – DAX Exchange
Are you an early-career engineer who wants to build high-performance systems that power digital advertising at scale?
As a Junior Java Developer – DAX Exchange at Global, you’ll join a small, focused team building performance-critical services in modern Java. You’ll work on the matching engine that connects advertisers with outdoor screens and, over time, live radio and on-demand audio. You’ll contribute to production code from day one and learn how real-time systems are designed, built and run in the cloud.
Key Responsibilities
Backend development (40%): Contribute to the DOOH Scheduler and DAX Exchange, delivering features, fixes and enhancements across the platform using modern Java.
Quality and reliability (20%): Write clean, well-tested and maintainable code that meets the team’s standards for performance, resilience and observability.
Operational support (20%): Help monitor, troubleshoot and maintain production services, gaining experience with supporting real-time, always-on systems.
Learning and collaboration (20%): Pair with senior engineers, participate in code reviews and technical discussions, and support continuous improvement in how the team works.
What You’ll Love About This Role
Think Big: Help build the matching engine that powers programmatic advertising across outdoor screens in the UK, with growing opportunities across live radio and digital audio.
Own It: Ship code that runs in production, take responsibility for your changes and see the direct impact of your work on a critical platform.
Keep it Simple: Learn to design clear, focused services and straightforward solutions to complex performance and scalability challenges.
Better Together: Work in a small, supportive team where you’ll receive mentoring, regular feedback and a clear path from junior to mid-level.
What Success Looks Like
In your first few months, you’ll have:
Contributed working, well-tested code to the matching engine and related services.
Gained a solid understanding of the DAX platform, its data flows and performance requirements.
Learned and applied the team’s development practices, tooling and deployment workflows.
Helped support production systems, including monitoring, debugging and incident follow-up.
Built strong working relationships with your teammates through pairing, reviews and regular collaboration.
What You’ll Need
Technical foundations: Experience from a Computer Science (or similar) degree or equivalent practical background, with a strong understanding of core data structures and algorithms.
Java and OOP fundamentals: Knowledge of Java and core object-oriented concepts such as inheritance, composition and common design patterns.
Engineering practices: Familiarity with Git, basic Unix/Linux commands and working within an agile software development environment.
Attention to detail: A careful, methodical approach to writing, reviewing and testing code.
Growth mindset: Curiosity about how software interacts with hardware and networks, and an interest in learning more about cloud infrastructure, containerisation and real-time systems.
Nice to have (not essential): Interest in low-level performance, networking or systems programming; exposure to AWS or other cloud platforms and/or containerised environments; curiosity about digital advertising, media or high-throughput real-time platforms.
Making everyone’s day brighter
The UK and Europe’s largest Radio & Outdoor company, Global is home to respected, national market-leading media brands broadcasting across the UK on DAB & FM and around the world on Global Player, including Heart, Capital, LBC, Capital XTRA, Capital Dance, Classic FM, Smooth, Radio X and Gold Radio. Global Player allows listeners to enjoy all of Global’s radio brands, award-winning podcasts, and expertly curated playlists, in one place in app, on web and on smart speakers. Global is also one of the leading Outdoor companies in both the UK & Europe, with over 253,000 sites reaching 95% of the UK population. Global’s extensive and diverse outdoor portfolio encompasses Transport for London’s Underground network, almost all major UK airports including Gatwick, the UK’s largest portfolio of roadside posters and premium digital screens in prime locations, as well as the UK’s largest network of buses including all major cities. On-air, on Global Player and with our outdoor platforms combined, Global reaches 51 million individuals across the UK every week, including 29 million on the radio alone.
Offices: 30 Leicester Square, London, WC2H 7LA, GB · 11 Brindley Place, Birmingham, England B1 2LG, GB · Temple Quay, One The Square, Bristol, England BS1 6DG, GB · Hemingway Rd, The Red Dragon Centre, Cardiff , CF10 4JY, GB · 1 West Regent Street, 8th Floor, Glasgow, Scotland G2 1RW, GB
There are currently 2,776 open software positions in London, United Kingdom listed on Clera. New openings are added daily as companies post roles.
Companies currently hiring include Wise, Amazon, JPMorganChase, Capgemini, Marks and Spencer, among others. Browse the listings above to see every active employer.
Yes — 1944 of the 2776 open software positions offer remote or hybrid work (325 remote, 1619 hybrid).
Each listing links directly to the employer's application page. Apply early — fresh listings get the most recruiter attention in the first two weeks.
