As an Engineer in the Marketing Solutions team, you will design, develop, and maintain backend services with Java or Python, focusing on APIs, microservices, and collaboration with cross-functional teams.
TransUnion's Job Applicant Privacy Notice
What We'll Bring:
We are looking for a skilled Engineer to join our Marketing Solutions team. The ideal candidate will bring strong backend engineering experience in a polyglot environment using Java and Python. This role requires solid fundamentals in API development, microservices, SQL, and cloud ready architectures, along with strong collaboration and problem solving skills.What You'll Bring:
Required Qualifications
- 3+ years of hands‑on experience in backend service development.
- Bachelor’s degree in Computer Science, Engineering, or a related field.
- Strong proficiency in backend development using Java or Python (must have at least one; both preferred).
- Experience with:
- Java Spring Boot or Python Flask
- API and microservices design
- SQL and relational databases (preferably PostgreSQL)
- Familiarity with CI/CD tools such as Git and Jenkins.
- Strong problem‑solving, debugging, and analytical skills.
- Excellent communication and interpersonal collaboration abilities.
- High personal commitment, accountability, and team orientation.
Good to Have
- Experience building or scaling large distributed systems.
- Exposure to marketing technology, customer segmentation, or analytics solutions.
Impact You'll Make:
Responsibilities
- Design, develop, and maintain backend services using Java and/or Python.
- Build and enhance APIs and microservices using frameworks such as Spring Boot (Java) and Flask (Python).
- Write efficient SQL queries, stored procedures, and data access logic, preferably using PostgreSQL.
- Contribute to building scalable, maintainable backend systems in a polyglot environment.
- Participate in CI/CD activities using tools such as Git and Jenkins.
- Troubleshoot, debug, and resolve issues across the backend service stack.
- Collaborate closely with teammates, product managers, and senior engineers to deliver high‑quality solutions.
- Demonstrate strong ownership, communication, and a “can‑do” attitude in day‑to‑day work.
- Contribute to cloud‑aligned development practices; exposure to AWS or GCP is a plus.
TransUnion Job Title
Engineer, Applications DevelopmentTop Skills
AWS
Ci/Cd
Flask
GCP
Git
Java
Jenkins
Postgres
Python
Spring Boot
SQL
TransUnion London, England Office
Floor 2, 280 High Holborn , London, United Kingdom, WC1V 7EE
Similar Jobs at TransUnion
Big Data • Fintech • Information Technology • Business Intelligence • Financial Services • Cybersecurity • Big Data Analytics
Lead MuleSoft Developer responsible for creating integration solutions, working with teams to design, develop, and implement system integrations, and improving software delivery pipelines.
Top Skills:
ArtifactoryConfluenceCore JavaGitJenkinsMavenMulesoft Anypoint PlatformSonarqube
Big Data • Fintech • Information Technology • Business Intelligence • Financial Services • Cybersecurity • Big Data Analytics
Design and maintain backend services using Java and/or Python, develop APIs and microservices, write SQL queries, and collaborate across teams.
Top Skills:
AWSFlaskGCPGitJavaJenkinsPostgresPythonSpring BootSQL
Big Data • Fintech • Information Technology • Business Intelligence • Financial Services • Cybersecurity • Big Data Analytics
The Engineer will develop and maintain backend services using Java and Python, enhance APIs and microservices, and collaborate effectively within teams.
Top Skills:
FlaskGitJavaJenkinsPostgresPythonSpring BootSQL
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.

