Software Engineer – Lead

FIS

. Application Development & Ownership: Hands-on full-stack development of the Money Movement Hub application, covering both front-end interfaces and back-end services.

Posted 4/22/2026full-timeMilwaukee • Florida, Wisconsin • 🇺🇸 United StatesSeniorWebsite

Tech Stack

Tools & technologies

AWSCloudDockerEC2ITSMJavaJavaScriptJenkinsKubernetesMicroservicesPythonServiceNowSplunkSpringSpring BootSpringBootTypeScript

About the role

Key responsibilities & impact

Application Development & Ownership: Hands-on full-stack development of the Money Movement Hub application, covering both front-end interfaces and back-end services.
Architect and implement scalable, highly available solutions on AWS (ECS, Lambda, RDS, SQS, API Gateway, and related services).
Design and develop RESTful APIs and microservices in Java and Python.
Own code quality standards — conduct code reviews, enforce best practices, and mentor junior engineers.
CI/CD & DevOps: Build, maintain, and continuously improve CI/CD pipelines (e.g., Jenkins, GitHub Actions, AWS CodePipeline, Harness, or equivalent).
Collaborate with DevOps and cloud infrastructure teams on deployment strategies, environment management, and release automation.
Drive shift-left testing initiatives including automated unit, integration, and regression testing.
Production Operations & On-Call: Participate in an on-call production support rotation for the Money Movement Hub platform.
Lead incident response efforts: triage, root cause analysis, and post-incident review.
Monitor application health using observability tooling (e.g., Dynatrace, Splunk, CloudWatch) and proactively address performance issues.
Ensure high availability and resilience of payment processing flows including RTP and FedNow transactions.
Technical Leadership & Collaboration: Serve as a technical point of contact for cross-functional stakeholders including DevOps, QA, product, and security teams.
Contribute to sprint planning, backlog grooming, and agile ceremonies as a senior technical voice.
Document architecture decisions, runbooks, and operational procedures in Wiki.
Identify and advocate for technical improvements, debt reduction, and process maturity initiatives.

Requirements

What you’ll need

7+ years of professional software engineering experience.
4+ years of hands-on experience with Java (Spring Boot preferred) and Python in production environments.
Demonstrated experience building and operating applications on AWS — familiarity with core services such as EC2, ECS/EKS, Lambda, RDS, S3, SQS, API Gateway, and IAM.
Proven experience designing, implementing, and maintaining CI/CD pipelines in an enterprise or regulated environment.
Strong understanding of DevOps principles: automated testing, infrastructure-as-code, monitoring, and release management.
Experience with both front-end (JavaScript/TypeScript frameworks) and back-end development.
Ability and willingness to participate in an on-call production support rotation.
Solid understanding of RESTful API design and microservices architecture.
Experience working in Agile/Scrum teams with tools such as Jira.
Added bonus if you have Experience with payment platforms, real-time payments (RTP), FedNow, or ISO 20022 messaging standards.
Familiarity with hybrid cloud/on-premises environments.
Experience with observability tools such as Dynatrace, Splunk, or CloudWatch.
AWS Certified Developer or AWS Certified Solutions Architect certification.
Working knowledge of change management practices and ITSM tools (e.g., ServiceNow).
Experience with containerization and orchestration (Docker, Kubernetes/EKS).
Prior experience in financial services, banking, or fintech environments.

Benefits

Comp & perks

Opportunities to innovate in fintech.
Tools for personal and professional growth.
Inclusive and diverse work environment.
Resources to invest in your community.
Competitive salary and benefits.

ATS Keywords

✓ Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools

JavaPythonSpring BootRESTful APIsmicroservicesCI/CDDevOpsautomated testinginfrastructure-as-codecontainerization

Soft Skills

technical leadershipcollaborationmentoringincident responseproblem-solvingcommunicationagile methodologiesprocess improvementcode quality standardsbacklog grooming

Certifications

AWS Certified DeveloperAWS Certified Solutions Architect