Note: The job is a remote job and is open to candidates in USA. Washington University in St. Louis is seeking a Senior Software Engineer - Radiology to provide technical and analytical work for research and clinical applications. The role involves designing, developing, and supporting informatics solutions, mentoring junior staff, and overseeing the implementation of the XNAT platform functionality.
Responsibilities
- Applies advanced knowledge of software engineering principles (e.g., object-oriented programing and n-tiered application design) and core concepts (e.g., data structures, algorithms, computer architecture, operating systems and databases) to develop and write original software to meet research-based needs
- Utilizes experience of scientific and mathematical concepts in the design of single software applications or interfaces
- Applies scientific and mathematical concepts to ensure sound implementation of software based on design and architecture approved by more senior technical personnel
- Applies core computer science concepts in the development, testing and documentation of software units
- Implements client and web-based applications using enterprise scale languages, including Java, Javascript, and Python
- Determines when to employ other programming languages (e.g., PHP, Python and Perl) as required to implement application components or interfaces
- Identification of and comprehension of new technologies to develop prototypes or working code in existing applications using such novel technologies
- Mentors junior software engineers and other technical staff and students in computer science-related tasks
- Participates as a member of the technical team in the review of new features of an existing application or of requirements and use cases of a novel application or interface
- Participates as a member of the testing team to plan test cases within components developed by the employee and review test cases proposed by more junior technical staff
- May lead code reviews of more junior technical staff
- Designs, implements, and maintains core XNAT platform functionality, including DICOM workflows, computational pipelines, data management infrastructure, and user productivity tools
- Owns end-to-end release management for XNAT: branching and versioning strategy, release candidate builds, regression and upgrade testing, release notes, and coordination of deployment to production research and clinical environments
- Triages, reproduces, and resolves defects reported by the XNAT open-source community and institutional users, balancing platform stability with the pace of feature development
- Contributes upstream to the open-source XNAT codebase and participates in XNAT community governance, code review, and roadmap discussions
- Evaluates and integrates XNAT with adjacent platform components (e.g., data lake/medallion architecture, JupyterHub, DICOM modalities, BI/dashboarding tools) to extend clinical and research data workflows
- Documents architecture decisions, upgrade procedures, and administrator/user-facing release guidance for institutional IT and research teams
Skills
- Bachelor's degree or combination of education and/or experience may substitute for minimum education
- Relevant Experience (5 Years)
- Data Migrations
- Data Modeling
- Gap Analysis
- Java (Programming Language)
- Perl Programming
- PHP (Programming Language)
- Proof of Concept (POC)
- Shell Scripting
- Writing Test Plans
- Deliver stable, well-tested XNAT releases on a predictable cadence, minimizing downtime and data-integrity risk for research and clinical users
- Reduce the backlog of open XNAT defects and technical debt in core modules year over year
- Grow the platform's overall capabilities to maintain relevance as a leading edge research platform
- Serve as a technical point of contact for institutional partners integrating with or extending XNAT
- Direct experience developing on or administering the XNAT platform, or a comparable medical imaging informatics/PACS-adjacent research platform, strongly preferred
- Experience with DICOM standards and medical imaging data formats and workflows
- Experience owning or contributing significantly to release management for a production software platform (versioning, CI/CD, regression testing, rollout coordination)
- Experience contributing to or maintaining an open-source project, including community code review and issue triage
- Gap Analysis
- Data Modeling
- Data Migrations
- Java (Programming Language)
- Writing Test Plans
- Proof of Concept (POC)
- Computer Engineering, Computer Programming, IT Solution Design, Written Communication, Organizational Planning, Systems Development, Computer Hardware, Oral Communications, Software Testing, Information Systems Analysis, Bioinformatics, Technical Support, Interpersonal Communication, Hardware Setup, Systems Management, Technical Knowledge, Change Management, Technical Consulting, Technical Architecture, IT Problem Solving, Project Administration, Computer Science
- XNAT platform architecture and internals
- DICOM / DICOMweb standards (QIDO-RS, WADO-RS, STOW-RS)
- Java-based enterprise web application development (Spring, REST services)
- Release engineering / CI-CD (e.g., GitHub Actions, Bitbucket/GitHub migration, versioning strategy)
- Infrastructure-as-code (e.g., Terraform) and container orchestration (e.g., AWS EKS)
- Linux server administration, including RHEL deployment environments
- Open-source project contribution and community collaboration
- Relational database design (PostgreSQL) as used in the XNAT data model
- Master's degree
Benefits
- Up to 22 days of vacation, 10 recognized holidays, and sick time.
- Competitive health insurance packages with priority appointments and lower copays/coinsurance.
- Take advantage of our free Metro transit U-Pass for eligible employees.
- WashU provides eligible employees with a defined contribution (403(b)) Retirement Savings Plan, which combines employee contributions and university contributions starting at 7%.
- Wellness challenges, annual health screenings, mental health resources, mindfulness programs and courses, employee assistance program (EAP), financial resources, access to dietitians, and more!
- We offer 4 weeks of caregiver leave to bond with your new child. Family care resources are also available for your continued childcare needs. Need adult care? We’ve got you covered.
- WashU covers the cost of tuition for you and your family, including dependent undergraduate-level college tuition up to 100% at WashU and 40% elsewhere after seven years with us.
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