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Senior Java Software Engineer Jobs in Louisville, KY

Humana

Senior Full-Stack Engineer

Louisville, KY · On-site

The Senior Software Engineer work assignments involve moderately complex to complex issues where the analysis of situations or data requires an in-depth evaluation of variable factors. The Senior ...

Humana

Senior Full-Stack Engineer

Louisville, KY · On-site

The Senior Software Engineer work assignments involve moderately complex to complex issues where the analysis of situations or data requires an in-depth evaluation of variable factors. The Senior ...

GE Appliances

Senior AI Engineer

Louisville, KY · On-site

$117K - $155K/yr

Work with Senior Software Engineers and Principal Architects to design, build, andoperatecore AI platform services. * Develop, test, andmaintainbackend services supporting AI agent execution ...

Waystar

Sr. SDET I

Louisville, KY · On-site

$106K - $137K/yr

ABOUT THIS POSITION The Sr. SDET I is responsible for testing the company's products to ensure that ... API applications using Java, JavaScript, TypeScript, or Python with tools such as Cypress ...

Crew Career Center

Sr. SDET I

Louisville, KY · On-site +1

$106K - $137K/yr

ABOUT THIS POSITION The Sr. SDET I is responsible for testing the company's products to ensure that ... API applications using Java, JavaScript, TypeScript, or Python with tools such as Cypress ...

Waystar, Inc

Sr. SDET I

Louisville, KY · On-site

$100 - $125/hr

ABOUT THIS POSITION The Sr. SDET I is responsible for testing the company's products to ensure that ... API applications using Java, JavaScript, TypeScript, or Python with tools such as Cypress ...

Patientco

Sr. SDET I

Louisville, KY · On-site +1

$106K - $137K/yr

ABOUT THIS POSITION The Sr. SDET I is responsible for testing the company's products to ensure that ... API applications using Java, JavaScript, TypeScript, or Python with tools such as Cypress ...

Humana, Inc.

Senior Kafka Developer - NBA

Louisville, KY · On-site

$52.25 - $69.25/hr

... Java and Drools - to the rest of the decisioning system. You design and own the Kafka topics ... This is a hands-on backend role for an engineer who is fluent in event-driven design and enjoys ...

Humana

Senior Kafka Developer - NBA

Louisville, KY · On-site +1

$52.25 - $69.25/hr

Reliability - Engineer for correctness under load: partitioning, ordering, idempotency, exactly ... Strong Java skills and experience designing event-driven services. Deep understanding of Kafka ...

Humana

Senior Kafka Developer - NBA

Louisville, KY · On-site +1

$52.25 - $69.25/hr

Reliability - Engineer for correctness under load: partitioning, ordering, idempotency, exactly ... Strong Java skills and experience designing event-driven services. Deep understanding of Kafka ...

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All JobsJava Software Engineer JobsSenior Java Software Engineer JobsSenior Java Software Engineer Jobs in Louisville, KY

Senior Java Software Engineer information

See Louisville, KY salary details

$37.1K

$138.1K

$242.5K

How much do senior java software engineer jobs pay per year?

As of Sep 9, 2026, the average yearly pay for senior java software engineer in Louisville, KY is $138,106.00, according to ZipRecruiter salary data. Most workers in this role earn between $114,400.00 and $150,500.00 per year, depending on experience, location, and employer.

What does a senior Java software engineer do?

A Senior Java Software Engineer is responsible for designing, developing, and maintaining complex software applications using the Java programming language. They often lead technical projects, mentor junior developers, and collaborate with cross-functional teams to deliver high-quality software solutions. Their role includes analyzing user requirements, troubleshooting issues, optimizing code for performance, and ensuring best practices in software development. Senior Java engineers are also involved in code reviews and may contribute to architectural decisions within their organization.

What are the key skills and qualifications needed to thrive as a senior Java software engineer?

To thrive as a Senior Java Software Engineer, you need advanced proficiency in Java programming, software design principles, and a solid understanding of computer science fundamentals, often backed by a degree in computer science or a related field. Experience with frameworks like Spring, build tools such as Maven or Gradle, and version control systems like Git is typically required, along with knowledge of cloud platforms or containerization tools. Strong problem-solving abilities, effective communication, and leadership skills help you mentor team members and collaborate on complex projects. These competencies are crucial for delivering robust, scalable software solutions and leading development teams in dynamic environments.

What are some common challenges faced by senior Java software engineers when leading development projects?

Senior Java Software Engineers often encounter challenges such as balancing hands-on coding with leading and mentoring team members, managing tight project deadlines, and ensuring code quality across the team. They are also responsible for making key architectural decisions and integrating new technologies while maintaining system stability. Effective communication and collaboration with cross-functional teams, including QA, DevOps, and product managers, are essential to successfully deliver robust solutions.

What are the most commonly searched types of Java Software Engineer jobs in Louisville, KY?

The most popular types of Java Software Engineer jobs in Louisville, KY are:

What are popular job titles related to Senior Java Software Engineer jobs in Louisville, KY?

For Senior Java Software Engineer jobs in Louisville, KY, the most frequently searched job titles are:

What job categories do people searching Senior Java Software Engineer jobs in Louisville, KY look for?

The top searched job categories for Senior Java Software Engineer jobs in Louisville, KY are:

Senior Java Software Engineer jobs near you
Infographic showing various Senior Java Software Engineer job openings in Louisville, KY as of September 2026, with employment types broken down into 1% Internship, 1% As Needed, 82% Full Time, 12% Part Time, 1% Temporary, and 3% Contract. Highlights an 86% Physical, 4% Hybrid, and 10% Remote job distribution, with an average salary of $138,106 per year, or $66.4 per hour.

Software Engineer II

Louisville, KY • On-site

Crew Career Center
See more jobs at Crew Career Centerexternal

Full-time

Medical, Retirement, PTO

Re-posted 25 days ago

Job description

ABOUT THIS POSITION

Develop, test, deploy, and maintain software applications and services on the Waystar Claims platform. You will contribute to C#/.NET microservices, event-driven messaging, and SQL Server data tiers, working alongside senior engineers and architects to deliver reliable, high-quality healthcare revenue cycle solutions.

WHAT YOU'LL DO

Responsibilities

  • Develop, test, deploy, andmaintainsoftware applications and services using C#/.NET.

  • Collaborate with product owners, architects, and teammates to understand requirements and deliver well-scoped technical solutions.

  • Write clean, efficient, well-documented, and maintainable code adhering to Waystar's coding standards and best practices.

  • Participate in code reviews, giving and incorporating constructive feedback to maintain code quality.

  • Troubleshoot and debug software issues,identifyingrootcausesand implementing effective solutions.

  • Contribute to the continuous improvement of Waystar's software development processes and tooling.

  • Develop andmaintainautomated tests (unit and integration) to ensure software reliability and stability.

  • Monitor application behavior using Splunk and other observability tools; surface and escalate performance concerns.

  • Stay current with emerging technologies and industry trends, applyingnew approacheswithin your area of work.

  • Participate in technical design discussions for new features,contributingimplementation-level insights.

WHAT YOU'LL NEED

Required Qualifications

  • Bachelor's degree in Computer Science, Software Engineering, or a related technical field (or equivalent practical experience).

  • 3-5 years of professional software development experience witha track recordof delivering production-quality software.

  • Proficiencyin C# and .NET (both .NET 8 and .NET Framework); solid understanding of the .NET ecosystem.

  • Solid understanding of data structures, algorithms, and object-oriented design principles.

  • Experience with SQL Server - writing queries, stored procedures, and understanding basic schema design.

  • Experience working within microservices and distributed systems that use asynchronous, message-based architectures (e.g., RabbitMQ).

  • Working knowledge of software development best practices including Agile methodologies, CI/CD (Azure DevOps Pipelines), and automated testing.

  • Familiarity with Git-based version control and GitHub pull request workflows.

  • Good problem-solving, analytical, and critical thinking skills.

  • Strong communicationand interpersonal skills, with the ability to collaborate effectively with cross-functional teams.

  • Ability to manage your own tasks and priorities with guidance in a fast-paced environment.

Nice to Have

  • Experience with containerization technologies such as Docker and Kubernetes.

  • Familiarity with Helm chart-based Kubernetes deployments.

  • Experience with Redis for distributed caching.

  • Experience with Snowflake or similar cloud data warehouse technologies.

  • Familiarity with structured logging and observability tools such as Splunk.

  • Knowledge of X12 EDI healthcare transaction standards (837 claim submission, 835 remittance advice, 270/271 eligibility inquiry/response).

  • Knowledge of healthcare IT standards (e.g., HL7, FHIR) or prior experience in the healthcare revenue cycle industry.

ABOUT WAYSTAR

Through a smart platform and better experience, Waystar helps providers simplify healthcare payments and yield powerful results throughout the complete revenue cycle.

Waystar's healthcare payments platform combines innovative, cloud-based technology, robust data, and unparalleled client support to streamline workflows and improve financials so providers can focus on what matters most: their patients and communities. Waystar is trusted by 1M+ providers, 1K+ hospitals and health systems, and is connected to over 5K commercial and Medicaid/Medicare payers. We are deeply committed to living out our organizational values: honesty; kindness; passion; curiosity; fanatical focus; best work, always; making it happen; and joyful,optimistic & fun.

Waystar products have won multiple Best in KLAS or Category Leader awards since 2010 and earned multiple #1 rankings from Black Book surveys since 2012. The Waystar platform supports more than 500,000 providers, 1,000 health systems and hospitals, and 5,000 payers and health plans. For more information, visit waystar.comor follow @Waystaron Twitter.

WAYSTAR PERKS

  • Competitive total rewards (base salary + bonus, if applicable)
  • Customizable benefits package (3 medical plans with Health Saving Account company match)
  • We offer generous paid time off for our non-exempt team members, starting with 3 weeks +13 paid holidays, including 2 personal floating holidays. We also offer flexible time off for our exempt team members + 13 paid holidays
  • Paid parental leave (including maternity + paternity leave)
  • Education assistance opportunities and free LinkedIn Learning access
  • Free mental health and family planning programs, including adoption assistance and fertility support
  • 401(K) program with company match
  • Pet insurance
  • Employee resource groups

Waystar is proud to be an equal opportunity workplace. We celebrate, value, and support diversity and inclusion. Qualified applicants will receive consideration for employment without regard to race, color, religion, age, sex, national origin, disability status, genetics, marital status, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state, or local laws.

This applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training.

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