TransUnion's Job Applicant Privacy Notice
What We'll Bring:
We are seeking a highly skilled Senior Developer with strong expertise in Python and/or Java, deep understanding of SDLC best practices, software architecture, and hands‑on experience with cloud technologies (AWS/GCP). The ideal candidate also brings practical exposure to integrating AI/ML capabilities into modern applications.What You'll Bring:
- Design, develop, and maintain scalable, secure applications using Python and/or Java.
- Lead end‑to‑end SDLC activities: requirements analysis, architectural design, development, testing, deployment, and ongoing support.
- Define and implement software architecture patterns (microservices, event-driven design, layered architecture, domain-driven design).
- Build, deploy, and optimize applications on AWS and/or GCP (Compute, Storage, IAM, Networking, Serverless, CI/CD).
- Develop and integrate RESTful APIs, microservices, and distributed systems.
- Implement AI/ML features by using cloud-native AI services or integrating custom ML models (e.g., AWS SageMaker, GCP Vertex AI, or open‑source frameworks).
- Participate in architectural reviews, make technology recommendations, and drive technical decision‑making.
- Conduct code reviews, enforce coding best practices, and mentor junior team members.
- Troubleshoot production issues, identify root causes, and deliver reliable fixes.
- Maintain clear and comprehensive technical documentation.
- Minimum 6+ years of hands‑on experience in Python and/or Java.
- Strong understanding of SDLC methodologies including Agile/Scrum, CI/CD, DevOps practices.
- Solid grasp of software architecture concepts: scalability, performance, security, modularity, design patterns.
- Experience with cloud platforms:
- AWS: EC2, Lambda, S3, RDS, DynamoDB, EKS, API Gateway, SageMaker
- GCP: Compute Engine, Cloud Run, GKE, Cloud Functions, BigQuery, Vertex AI
- Practical exposure to AI in software development, such as:
- Integrating LLM‑based features
- Using AI APIs (AWS Bedrock, GCP Vertex AI, OpenAI, etc.)
- Building ML pipelines or inference workflows
- Experience with relational and NoSQL databases.
- Strong understanding of containerisation and orchestration (Docker, Kubernetes).
- Good knowledge of CI/CD tools (Jenkins, GitHub Actions, GitLab CI, Argo, etc.).
- Excellent problem-solving, debugging, and design skills.
Impact You'll Make:
Good to Have
- Experience with messaging systems (Kafka, Pub/Sub, RabbitMQ).
- Exposure to infrastructure‑as‑code (Terraform, CloudFormation).
- Hands-on experience with monitoring and observability tools (Prometheus, Grafana, CloudWatch).
- Security best practices for cloud‑native workloads.
- Knowledge of MLOps concepts.
TransUnion Job Title
Lead Developer, Applications DevelopmentSkills Required
- 6+ years of hands-on experience in Python and/or Java
- Strong understanding of SDLC methodologies including Agile/Scrum, CI/CD
- Experience with cloud platforms AWS and/or GCP
- Strong understanding of software architecture concepts
- Good knowledge of CI/CD tools
What the Team is Saying
TransUnion Compensation & Benefits Highlights
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Parental & Family Support — Paid, gender‑neutral parental leave with a gradual return is highlighted alongside adoption/surrogacy/infertility support and backup care through Care@Work. Dependent‑care FSA options and caregiver assistance further bolster family support.
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Healthcare Strength — Day‑one medical, dental, and vision coverage is offered with HSA/FSA options, EAP/therapy sessions, 24/7 support, and wellness programming. Coverage extends to dependents and includes mental‑health resources.
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Retirement Support — A 401(k) plan features no waiting period, an employer match, and immediate 100% vesting. Employees can also participate in an Employee Stock Purchase Plan to build long‑term financial security.
TransUnion Insights
What We Do
TransUnion is a global information and insights company that makes trust possible by ensuring that each consumer is reliably and safely represented in the marketplace. We do this by having an accurate and comprehensive picture of each person. This picture is grounded in our legacy as a credit reporting agency which enables us to tap into both credit and public record data; our data fusion methodology that helps us link, match and tap into the awesome combined power of that data; and our knowledgeable and passionate team, who stewards the information with expertise, and in accordance with local legislation around the world. Because of our work, organizations can better understand consumers in order to make more informed decisions, and earn their trust through great, personalized experiences, and the proactive extension of the right opportunities, tools and offers. In turn, consumers can be confident that their data identities will result in the opportunities they deserve. We make trust possible, so businesses and consumers can transact with confidence and achieve great things. We call this Information for Good®—it’s our purpose, and what drives us every day.
Why Work With Us
Our culture is welcoming, energetic and innovative. There’s an overall synergy that flows throughout TransUnion, creating a sense of unity in knowing that we’re all working to achieve the same overall goal. We’re dedicated to providing opportunities for our people to get involved and stay connected with their colleagues across the globe.
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TransUnion Teams
TransUnion Offices
Hybrid Workspace
Employees engage in a combination of remote and on-site work.
