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Senior Java Developer

Company:
AceStack LLC
Location:
Denver, CO
Posted:
March 03, 2026
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Description:

Role: Senior Java Developer

Location: Denver, CO (Hybrid)

Contract

Domain: HLS Healthcare

JD:

Senior Java Developer We are seeking a Senior Java Developer who will be responsible for designing and developing the middle tier for a software as a service-based application.

Candidate will also be responsible for guiding and mentoring other junior Java developers.

Job Description

Design, development and support of Physician facing web and mobile application.

Work with the Product Owners to review and understand the business requirements and functional specifications

Work with client and database developers Participate in architecture, design and code reviews

Work with QA and CM team for code build/releases, test case design and defect resolution

Work with Team Lead/Project Manager/Architect for planning, estimation, documentation and status reporting

Mentor other teammates on Java design and development Advocate for code quality and standards

Any other tasks necessary for completion of project deliverables and application support

Excellent communication skills Be able to adapt and contribute to a fast paced and agile application development.

SAFe experience a plus Adhere to project schedules, proactively resolve and or escalate issue to management

Team Lead experience a plus healthcare experience a plus

Experience with working with offshore teams a plus

Design skills Highly skilled in Middle Tier Application architecture and design.

Experience in developing applications with heavy transaction volume.

Highly skilled in OO and heavy use of Design Patterns

Programming skills 6+ years of Java, including experience with Java 17 or greater

6+ years of Spring and Springboot 4+ years of Spring Data JPA

2+ years of Kafka, including understanding of Producers and Consumers

4+ years of experience in iOS/Android Development.

Microservice Architecture Object Oriented Design (OOD) Test Driven Development (TDD) Strong Unit testing experience, including JUNIT 5

Experience with Cloud technologies GCP or AWS, Spanner and Postgres experience a plus

Experience with application monitoring, Dynatrace and Kibana

Experience with application debugging Angular experience a plus

Skill Matrix

Skill

Years of experience

Java

Spring

Kafka

iOS/ Android Development

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