Global Logo

Global

Java Developer

Posted Yesterday
Be an Early Applicant
In-Office
Holborn-Strand-Covent Garden, London, England, GBR
Mid level
In-Office
Holborn-Strand-Covent Garden, London, England, GBR
Mid level
Seeking a backend engineer to enhance user experiences and lead product decisions for an ad server platform. Responsibilities include developing features, collaborating with teams, ensuring code quality, driving improvements, and supporting production environments.
The summary above was generated by AI
Accepting applications until: 19 June 2026Job Description

Java Developer

Reporting of the Role
This role reports to Senior Java Developer

Overview

We are in search of a backend engineer with an affinity for technical excellence and a keen interest in enhancing user experiences. As part of our esteemed DAX engineering team, you will be involved in and leading product-related decisions from inception to deployment, taking ownership of technical initiatives and driving improvements across the platform.

The primary focus of the role will be our ad server platform, where you will demonstrate your skills to build and improve products related to direct and programmatic campaign lifecycle management, from booking to fulfilment, tracking and reporting.

You’ll work within a talented agile team working with modern Java micro-services (Java 21, Spring Boot), deployed on Kubernetes (EKS on AWS), with CI/CD pipelines using Jenkins and Terraform, and observability through Prometheus and Grafana.

We’re a close-knit, collaborative team that values creativity, technical excellence, and working together to deliver meaningful impact.

Key Responsibilities

  • Developing features for the business: Building on the platform architecture to support features on the roadmap and deliver business value. Taking ownership of features from conception through to production, ensuring quality and timely delivery.

  • Collaborating with the development team: Driving technical conversations with developers and product owners to understand project requirements, discuss implementation approaches, and ensure smooth integration of various software components.

  • Championing code quality: Leading by example in code reviews, proactively identifying opportunities to improve code standards, and mentoring team members on best practices.

  • Driving platform improvements: Proactively identifying technical debt, performance bottlenecks, and opportunities for enhancement. Taking initiative to propose and implement solutions that improve system reliability and developer experience.

  • Supporting production environments: Taking ownership of production stability, proactively monitoring system health, leading incident resolution efforts, and implementing preventative measures to reduce future issues.

3 best things about the job

  • Tackle exciting, intricate technical challenges using cutting edge technology and have the autonomy to drive technical decisions.

  • Operate in a team environment that values collaboration, openness, and joint decision-making where your leadership and initiative directly shape the platform's evolution.

  • Work in partnership with the product team to set the priorities for the fastest growing part of the business.

What Success Looks Like

In your first few months, you'll have:

  • Led or co-owned the delivery of several features which provide business value.

  • Proactively contributed towards the refinement and design of features, driving technical discussions and influencing architectural decisions.

  • Championed good development practice in code reviews, providing insightful feedback and mentoring others on technical approaches.

  • Assisted in ensuring a reliable production environment using relevant tooling.

  • Gained an understanding of the business context and how it relates to the team's deliverables.

  • Gained a solid understanding of the team's system architecture and what the roadmap looks like.

What You'll Need

We’re looking for someone who is proactive, collaborative, and excited by solving complex technical problems. They will be capable of:

  • A self-driven, problem-solving attitude with a track record of taking initiative and ownership.

  • A pragmatic and proactive approach to work, comfortable driving technical decisions and leading features end-to-end.

  • Experience with Java or a similar language.

  • Demonstrable experience in clean code principles and contract-first design.

  • Writing well tested code, and accounting for how code will need to be monitored in production.

  • Leading technical discussions and influencing architectural decisions within a multi-functional team.

  • An eye for detail and the dedication to make sure things are done right.

  • A proactive approach to identifying and addressing technical debt, performance issues, and system improvements.

Bonus

  • Familiarity with DevOps tools such as Terraform, Jenkins, and GitHub Actions.

  • Proficiency in modern Spring, Spring Boot, as well as Kubernetes and Docker.

  • Experience in GraphQL - Knowledge of the latest (and anticipated) Java features.

  • Experience leading incident response and implementing preventative measures.

  • Knowledgeable in best practices for production support and adept in handling incident management.

  • Experience mentoring junior developers or leading technical initiatives.

Global London, England Office

30 Leicester Square, London, United Kingdom, WC2H 7LA

Similar Jobs

6 Days Ago
In-Office
London, England, GBR
Senior level
Senior level
Fintech • Financial Services
As a Lead Java Developer, manage applications development teams, communicate project progress, provide technical oversight, and shape future product direction while ensuring compliance and stakeholder management.
Top Skills: Ci/CdCloud DeploymentJava
9 Days Ago
In-Office
London, Greater London, England, GBR
Mid level
Mid level
Pharmaceutical
The Java Developer will design, build, and optimize medical services, collaborating with product owners and employing best software practices. Involvement with cloud technologies and integration testing is expected, alongside maintaining and enhancing existing services in a microservices architecture.
Top Skills: AWSAzureDockerGCPGithub ActionsGoJava 1.8+KubernetesMySQLReactSpring Boot
14 Days Ago
Hybrid
Senior level
Senior level
Big Data • Marketing Tech • Analytics
Lead and manage the UKBI engineering team, develop scalable Java solutions, ensure best practices, and provide technical guidance.
Top Skills: AWSDockerEksJavaMicroservicesNoSQLOpen SearchPythonSolrSQL

What you need to know about the London Tech Scene

London isn't just a hub for established businesses; it's also a nursery for innovation. Boasting one of the most recognized fintech ecosystems in Europe, attracting billions in investments each year, London's success has made it a go-to destination for startups looking to make their mark. Top U.K. companies like Hoptin, Moneybox and Marshmallow have already made the city their base — yet fintech is just the beginning. From healthtech to renewable energy to cybersecurity and beyond, the city's startups are breaking new ground across a range of industries.

Sign up now Access later

Create Free Account

Please log in or sign up to report this job.

Create Free Account