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    AM

    American Systems

    Information Technology

    Senior Back-End / Platform Engineer

    Alexandria, United StatesOn-SiteFull-time11+ yrs experience$135k – $165k / yearPosted 15h ago
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    Job description

    Overview

    AMERICAN SYSTEMS is an employee-owned federal government contractor supporting national priority programs through our strategic solutions in the areas of Information Technology, Engineering & Analysis, Test & Evaluation, and Training.

    Responsibilities

    Design, build, migrate, and sustain DTE&A Data Management Platform (DDMP) secure domain services, data-access layer, integration APIs, workflow automation, and AI-enabled back-end capabilities.

    Key Responsibilities

    • Lead the modernization of existing DDMP Python/Flask services and legacy MySQL/MongoDB data into secure, scalable cloud-native services.
    • Design and implement business APIs for assessments, evaluation, findings, recommendations, reconciliation threads, reports, artifacts, and approval history.
    • Build secure, observable integrations with enterprise data sources, program-management systems, SharePoint, telemetry streams, and analytics platforms.
    • Develop data-ingestion, transformation, validation, and reconciliation services that preserve data integrity and provenance.
    • Implement workflow automation and AI-assisted capabilities while ensuring analysts remain the accountable authority for official findings and scores.
    • Establish API standards, coding standards, data-quality controls, service-level objectives, and technical documentation.
    • Partner with security and cloud engineering staff to remediate vulnerabilities, implement secure configurations, and generate ATO evidence.

    Qualifications

    • BS, TS/SCI eligible with 11+ years of professional back-end software engineering experience, including 3+ years delivering cloud-native, distributed, or microservices-based applications.
    • AWS Certified Developer, Microsoft Azure Developer Associate, Google Professional Cloud Developer, or comparable CSP credential.
    • Certified Kubernetes Application Developer (CKAD) or equivalent practical Kubernetes expertise.
    • Security+ or equivalent certification.
    • Expert-level Python experience, including modern API and service frameworks such as FastAPI, Flask, Django, or equivalent.
    • Experience decomposing a monolithic Flask application into modular services without disrupting active users or data integrity.
    • Experience designing domain-driven systems and workflow engines for complex, auditable business processes.
    • Knowledge of API gateway patterns, API versioning, throttling, idempotency, OpenAPI specifications, OAuth/OIDC token validation, and service-to-service authentication.
    • Experience with Change Data Capture (CDC), database replication, data quality controls, lineage, and data reconciliation.
    • Experience integrating with Microsoft 365/SharePoint Online through Microsoft Graph while maintaining SharePoint as the authoritative artifact repository.
    • Experience implementing retrieval-augmented generation, document extraction, NLP workflows, model-evaluation controls, and human-in-the-loop AI decision support.
    • Familiarity with DoW data platforms, secure cross-boundary integrations, and auditability requirements.
    • Deep experience designing and implementing REST APIs; practical GraphQL experience strongly preferred.
    • Strong relational-data expertise, especially PostgreSQL: data modeling, schema evolution, migrations, query optimization, indexing, transactions, high availability, backup/restore, and replication.
    • Experience migrating legacy data platforms, preferably MySQL and MongoDB to PostgreSQL and/or managed cloud data services, with validation, reconciliation, rollback, and minimal-downtime approaches.
    • Experience with event-driven architecture, asynchronous processing, queues, and streaming platforms such as Kafka, Kinesis, RabbitMQ, SQS, or equivalent.
    • Experience building ETL/ELT, data-ingestion, document-processing, and API-integration pipelines for structured and unstructured content, including JSON, XML, CSV, PDF, and Office documents.
    • Strong expertise in automated testing: unit, integration, contract, regression, performance, and API security testing.
    • Experience packaging applications with Docker and deploying to Kubernetes or a managed container platform.
    • Proficiency with Git-based development and CI/CD pipelines, ideally GitLab CI/CD in a DoW enterprise environment.

    Pay Transparency Statement

    AMERICAN SYSTEMS is committed to pay transparency for our applicants and employee-owners. The salary range for this position is USD $135,000.00/Yr. - USD $165,000/Yr. Actual compensation will be determined based on several factors permitted by law. AMERICAN SYSTEMS provides for the welfare of its employees and their dependents through a comprehensive benefits program by offering healthcare benefits, paid leave, retirement plans, insurance programs, and education and training assistance.

    EEO Statement

    EEO Race/Sex/Disability Status/Veteran Status

    Job details are sourced from the employer's original posting.

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    About the company

    American Systems

    AMERICAN SYSTEMS is a leading provider of advanced technology solutions and professional services for government and commercial clients.

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    Industry
    Information Technology
    Open roles
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