Lead Backend Engineer — Java, Spring Boot, AI-Driven

FIS; Chicago (IL); Hybrid; USD 123,000 - 209,000; Full time

Benefits offered by this job

Competitive salary

Career growth

Collaborative environment

Job summary

FIS is seeking a Lead Software Engineer with strong back-end expertise to drive Java and Spring Boot services, APIs, and integrations for scalable fintech applications. You’ll mentor engineers, guide technical direction, and collaborate across teams while embracing AI-assisted practices for code quality and design.

You will balance hands-on coding with architectural leadership, oversee test coverage and documentation, and work in a hybrid environment with collaboration across product, QA, and

Qualifications

• 8+ years of software development experience.

Responsibilities

• Drive technical designs for services, APIs, and integrations using Java and Spring Boot.
• Provide LOEs and guide sprint planning by balancing features vs. tech debt.
• Ensure robust unit, component, and appflow test coverage and documentation.
• Write clean, scalable backend code powering microservices and APIs.
• Integrate services with PostgreSQL, Redis and event-driven systems like ActiveMQ/Temporal.
• Troubleshoot issues across distributed services and environments.
• Assign and unblock work across sprints and ensure on-time delivery.
• Conduct and coordinate code reviews for complex PRs.
• Mentor engineers and raise technical depth and coding standards.
• Partner with QA on test strategies and ensure high-quality releases.
• Champion AI-forward practices and guide teams on AI tool adoption.
• Collaborate with product managers, architects, and teams on release scope and dependencies.
• Support release deployments and environment setup; lead post-mortem reviews.

Skills

Java

Spring Boot

RESTful APIs

Microservices

Team leadership

AI-driven development

Agile methodologies

Tools

PostgreSQL

Redis

Kubernetes

AWS

Jenkins

Git

ReactJS

ActiveMQ

Temporal

Confluence

Jira

Job description

FIS is seeking a Lead Software Engineer with strong back-end expertise to drive Java and Spring Boot services, APIs, and integrations for scalable fintech applications. You’ll mentor engineers, guide technical direction, and collaborate across teams while embracing AI-assisted practices for code quality and design.

You will balance hands-on coding with architectural leadership, oversee test coverage and documentation, and work in a hybrid environment with collaboration across product, QA, and