Senior Systems Engineer (AWS Cloud Application)

Senior Systems Engineer (Amazon Web Services (AWS) Cloud Applications)

Syms Strategic Group (SSG) is seeking a talented Senior Systems Engineer. Location: Remote. Department: Veterans Affairs (VA). Type: Full Time. Min. Experience: Experienced. Security Clearance Level: Public Trust (MBI). Salary Range: $85,389 - $116,975. If you have previously applied to Syms Strategic Group (SSG), there is no need to reapply. Applications are still under review. Military Veterans are highly encouraged to apply!

Essential Duties and Responsibilities

Support and modernize healthcare transaction processing and back-end data platforms. Build cloud-native application services, Application Programming Interfaces (APIs), integrations, and distributed workflows within an AWS-hosted ecosystem. Leverage AWS-managed services and event-driven architectures to process, transform, and deliver healthcare data reliably and securely. Design, build, and maintain Representational State Transfer (RESTful) APIs and back-end services that retrieve, transform, and serve healthcare Electronic Data Interchange (EDI) and transactional data. Build and integrate cloud-native application services within an AWS-hosted environment. Design and implement event-driven and asynchronous workflows using AWS-managed services and messaging patterns. Integrate with internal platform APIs, EDI processing pipelines, and cloud-based data services to deliver live and historical transaction data reliably and efficiently. Develop application integrations leveraging AWS service such as SQS, SNS, Lambda, S3, EventBridge, API Gateway, DynamoDB, and ECS/EKS. Write clean, testable, well-documented code and participate actively in peer code review. Perform unit and integration testing across back-end services and API layers. Apply and promote modern software engineering best practices within an Agile development environment. Use Git and GitHub for version control, branching strategies, pull requests, and collaborative development.

Required Skills and Experience

Experience with backend development languages such as.Net/C#, Go, Python, Java, or NodeJS. Demonstrated understanding of AWS-native application patterns and cloud integrations. 8+ years of software development experience with significant back-end engineering experience. Experience developing cloud-native applications within AWS environments. Experience designing and consuming RESTful APIs in healthcare, enterprise, or distributed-system environments. Proven experience building back-end services that process and deliver structured healthcare or EDI data. Experience working with asynchronous messaging, event-driven systems, or distributed application workflows. Strong back-end development experience using one or more modern programming languages such as .Net/C#, Go, Python, Java, and/or NodeJS. Strong understanding of AWS application integration patterns including asynchronous messaging, event-driven workflows, API integrations, and managed service interactions. Hands-on experience developing applications that interact with AWS services such as SQS, SNS, Lambda, S3, API Gateway, EventBridge, DynamoDB, ECS/EKS, and CloudWatch. Experience designing cloud-native APIs and distributed application integrations. Experience building applications that consume and transform structured data formats including JSON, XML, and EDI transactions. Experience working with healthcare EDI data formats and transaction processing workflows. An understanding of distributed-system concepts such as retries and idempotency, asynchronous processing, fault tolerance, and service resiliency. Experience with unit and integration testing frameworks (JUnit, xUnit, Jest, pytest, or equivalent). Proficiency with Git and GitHub collaborative development practices. An ability to evaluate when AI-assisted code generation is appropriate and when manual engineering judgment, validation, security review, or deeper analysis is required. An understanding of the limitations, risks, and verification requirements associated with AI-generated code and technical outputs, particularly in regulated or healthcare-related environments. Experience with AI-assisted development tools responsibly within professional engineering workflows. An ability to evaluate, validate, test, and refine AI-generated code and technical outputs using sound engineering judgment. Strong communication skills with the ability to collaborate across engineering, platform, DevSecOps, and business teams. An ability to work independently and effectively within a distributed engineering organization. Strong attention to detail, especially around healthcare data accuracy and fidelity. Experience participating in peer code reviews and providing constructive technical feedback. Experience working within Agile development methodologies (Scrum, Kanban, SAFe, or similar). An ability to analyze and troubleshoot complex application integration and data-processing issues.

Professional Certifications - None required however AWS Certification(s) are a plus.

Years of Professional Experience - n/a.

Desired experience - Electronic Data Interchange X.12 (EDI) Medical ClaimsX.12, Medical Claims (837, 835, 277CA, 275, etc), Health Level (HL7), Fast Healthcare Interoperability Resources (FHIR)Experience with healthcare payer/pharmacy systems, clearinghouses, or pharmacy operationsKnowledge of HIPAA compliance requirements related to API and healthcare application developmentExperience with containerized application development patternsExperience with CI/CD development workflows and automated testing pipelinesAn understanding of the limitations, risks, and compliance considerations associated with AI-assisted development in regulated environments Experience working with remote U.S. based teams (Not Offshore teams)

Formal Education - Bachelor's degree or higher in Computer Science, Engineering, or a related technical discipline.

Citizenship Requirement - U.S. Citizenship required for this specific opportunity.

Security Clearance Requirements - Must possess or qualify for a Public Trust (MBI).

CRITICAL NOTES: - SSG will not make assumptions regarding your qualifications. Your answers to the mandatory screening questions must be supported by the information on your resume. Applications with inconsistencies will not be considered.Recruiters or Third parties will not be considered.This is a 100% U.S. based remote position. However, candidates from CA, CO, IL, MN, NJ, NY, OR, or WA will not be considered.This is a W-2 positionAll interviews will be conducted on Microsoft Teams with your camera on; there will be no exceptionsAs part of our screening process, you will be requested to provide a link to your LinkedIn profile

U.S Citizenship is required for this specific opportunity. Applicants selected will be subject to a government security investigation and must meet eligibility requirements for access to classified information and be able to obtain a government-granted security clearance. Individuals may also be subject to a background investigation including, but not limited to criminal history, employment and education verification, drug testing, and creditworthiness. Syms Strategic Group, LLC is an Equal Opportunity Employer. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, age, national origin, marital status, disability, veteran status, sexual orientation, or genetic information.