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Salary
≈ $57k – $114k per year (Estimated)
Location
Hybrid (London, United Kingdom)
Seniority
Senior · 9+ years exp
Visa
Licensed UK visa sponsor
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 29, 2026. First seen by Alion on Oct 27, 2026. Omnicom scores B on the Alion truth index.

Overview
Company
Impact
Profile match
Omnicom is a global marketing and communications holding company headquartered in New York that owns advertising, media, precision marketing, public relations, healthcare and commerce agencies. Formed in 1986 and listed on the New York Stock Exchange, it runs networks such as BBDO, TBWA, Omnicom Media and Omnicom Health, and in 2025 it completed the acquisition of Interpublic Group, which added McCann and IPG Mediabrands. Its openings cover paid social and search, strategy, account and client finance, project management and human resources roles, concentrated in New York, Chicago, Los Angeles, London and Toronto.

Agency:

Critical Mass

Job Function:

Technology

Job Subfunction:

Software Development

Job Description:

Tribal are looking for an experienced Snr Backend Developer to come and join the team in London. This person will be experienced in Java and will be working on a large well known automotive brand.

Key responsibilities:

  • Working closely with the Project Management team to create accurate project plans and proposals, manage project risks, and ensure we deliver on time throughout our projects.
  • Creation of solution designs, technical specifications, coding standards, and other project documentation as required.
  • Collaborate on key technical decisions for each project with the wider team (PM, QA, Front-End, DevOps, Solution Architecture, Business Analysts).
  • Working with Operations to allocate team members to suitable tasks and projects.
  • Create and champion coding standards and ensure our code is review.
  • Work closely with our tech teams, ensuring they understand our approach and solutions.
  • Keep abreast of the latest technology trends and innovation to ensure we are delivering our solution in the most effective way.

Technical Skill Requirements:

A candidate for this role will be a Java developer with 9+ year’s commercial development experience.

  • Proven track record of development experience working on complex technical projects in high-performant delivery environments.
  • Ability to work across multiple projects and workstreams, with teams of different scale and skillset.
  • Demonstrable experience working with Spring Boot, Gradle, Docker and RESTful APIs.
  • Multi-project commercial experience with relevant tools such as Java 17+, Git, Docker, Kubernetes, Gradle, Maven, Jenkins, RESTful APIs, ActiveMQ or similar.
  • Understanding of enterprise architecture design patterns and ability to plan solutions using them.
  • Authentication with third party services and API’s (OAuth2, SAML, shared API key)
  • Ability to analyse, debug, profile and refactor code and processes to improve quality and performance.
  • Excellent working knowledge of different data store technologies i.e: MongoDB, DocDB, MySQL, Redis, Supabase.

Soft-Requirements:

  • Experience with modern CI/CD workflows.
  • Experience with Linux based systems and associated tools (e.g., RedHat, CentOS).
  • Knowledge of common development best practices (e.g., TDD/BDD, Agile).
  • 4+ years hands on Spring/Hibernate experience.
  • Ability to quickly understand and code for a large, complex technical architecture.
  • Experience of developing and deploying large web-based applications.
  • Experience of managing and coding simultaneous projects with complex interdependencies.
  • Understanding of the project management processes involved in website/portal development.
  • Ability to multitask across projects and demonstrate flexibility to changing priorities.
  • Experience of scoping large technical projects with a high level of accuracy.
  • Experience using task management tools such as Trac, Jira, TestRail.
  • Exposure to current AWS practices.

N/A

To the extent permissible by local law, Omnicom’s policy requires employees to work in the office for a minimum of three days a week, unless additional in-office days are directed by their agency or manager.

Omnicom is committed to hiring and developing exceptional talent. We agree that talent is uniquely distributed, and we’re focused on developing inclusive teams that can bring the best solutions to everything we do. We strongly believe that celebrating what makes us different makes us better together. Join us-we look forward to getting to know you. We will process your personal data in accordance with our Recruitment Privacy Notice.

Link to Recruitment Privacy Notice: https://www.omc.com/privacy-notice/

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