Software Development Engineering - Sr Professional I
Basildon, Endeavour Drive
Apr 30, 2026
Pay information not provided
About your role
At Fiserv, we are dedicated to transforming financial services technology to benefit our clients. As a Software Development Engineering - Sr Professional I, you will play a critical role in designing, developing, and maintaining high-quality software applications. You will work with cross-functional teams to deliver solutions that align with our business goals and client needs.
What you'll do
- Lead the design, development, and implementation of software applications to support Fiserv's business goals.
- Collaborate with cross-functional teams to gather requirements and translate them into technical specifications.
- Perform coding, testing, and debugging of applications to ensure optimal performance.
- Maintain and improve existing codebases and lead peer review processes.
- Mentor junior developers and provide technical guidance to enhance team capabilities.
- Lead as a Senior Java / Full Stack Developer within a Fintech real‑time payments engineering team, building solutions for major global banks.
- Design, develop, and enhance high‑performance, scalable, real‑time payment processing systems.
- Own end‑to‑end software development lifecycle: development, testing, maintenance, and production support.
- Apply strong backend expertise in Java 11+ (preferably 17/21), Spring, Spring Boot, and microservices architecture.
- Utilize reactive and event‑driven programming (Akka, Kafka, JMS, RabbitMQ, ActiveMQ) to meet high‑throughput and low‑latency requirements.
- Build and consume RESTful/web services; integrate UI layers with backend services.
- Implement strong database skills with SQL and relational databases (DB2, Sybase) and exposure to NoSQL (MongoDB).
- Leverage cloud and DevOps experience using AWS, Docker, Kubernetes, CI/CD pipelines (Jenkins, Sonar) and automated testing tools.
- Adopt agile, engineering‑driven culture with TDD/BDD, Scrum, and collaboration, with financial services or payments domain experience as a plus.
Experience you'll need to have
- 4+ years of experience in software development
- 2+ years of experience in Java, C, C#, C++, or similar programming languages
- 2+ years of experience in SQL databases
- 2+ years of experience in AWS, Azure, or GCP services
- 2+ years of experience with CI/CD pipelines and DevOps practices
- 2+ years of experience with Agile methodologies
- 4+ years of an equivalent combination of educational background, related experience, and/or military experience
Experience that would be great to have
- Experience in the financial services industry
Our commitment to Diversity and Inclusion
Fiserv is proud to be an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, gender, gender identity, sexual orientation, age, disability, protected veteran status, or any other category protected by law.
