Lead the design and architectural direction for complex, large-scale backend systems using Java (11+), Spring Boot, and Spring MVC.
Decompose legacy systems and introduce modern architectural patterns, such as Microservices and event-driven architectures.
Make critical decisions regarding scalability, reliability, and system resilience.
Hands-on Development:
Contribute directly to the codebase, tackling the most complex engineering challenges and building core application components.
Establish and enforce high standards for code quality, testing practices, and documentation.
Mentorship & Leadership:
Provide technical guidance and mentorship to a team of engineers, fostering a culture of continuous learning and excellence.
Conduct rigorous code reviews to ensure adherence to established coding standards and best practices.
Collaboration & Strategy:
Partner with product managers and senior stakeholders to translate business requirements into actionable technical roadmaps.
Identify and mitigate technical risks, bottlenecks, and debt across the entire software development lifecycle (SDLC).
Experience you'll need to have:
Minimum 8+ years of professional software engineering experience, with a significant focus on backend systems
Proven experience (typically 2-3+ years) in a technical leadership or lead engineer role
Core Technical Stack: Expert-level proficiency in Java 11+ and the Spring ecosystem (Spring Boot, Spring MVC, Spring Security, JPA/Hibernate). Deep understanding of Microservices architecture and RESTful API design principles
Hands-on experience with CI/CD pipelines (e.g., Jenkins, GitLab CI) and containerization tools like Docker and Kubernetes
Familiarity with messaging systems such as Apache Kafka or RabbitMQ
Experience that would be great to have:
Strong knowledge of Oracle databases is a plus
Thank you for considering employment with Fiserv. Please:
Apply using your legal name
Complete the step-by-step profile and attach your resume (either is acceptable, both are preferable).
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Note to agencies:
Fiserv does not accept resume submissions from agencies outside of existing agreements. Please do not send resumes to Fiserv associates. Fiserv is not responsible for any fees associated with unsolicited resume submissions.
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Benefits
Vision insurance
Additional Information
Calling all innovators - find your future at Fiserv.
We're Fiserv, a global leader in Fintech and payments, and we move money and information in a way that moves the world. We connect financial institutions, corporations, merchants, and consumers to one another millions of times a day - quickly, reliably, and securely. Any time you swipe your credit card, pay through a mobile app, or withdraw money from the bank, we're involved. If you want to make an impact on a global scale, come make a difference at Fiserv.
Job Title
JAVA Development Tech Lead
About your role:
We are seeking a highly skilled Technical Lead with a minimum of 8+ years of software development experience to join our engineering team. In this role, you will be the primary technical authority for our core software products, driving the long-term technical vision for complex, large-scale systems. You will balance high-level architectural leadership with hands-on coding to ensure the delivery of scalable, robust, and high-quality solutions.
Fiserv · Nenagh, Ireland