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Senior Full-Stack Developer

icon building Company : ScalableOS
icon briefcase Job Type : Full Time
icon remote-alt Remote / Work from Home

Job Description - Senior Full-Stack Developer

SUMMARY

AtWork Systems
is transforming how government contractors run their businesses and we're doing
it with modern, scalable, and secure technology engineered for impact. Our
OneLynk SaaS platform powers a full suite of managed services, giving

organizations
the automation, intelligence, and integrated workflows they need to operate smarter, stay compliant,
and grow profitably.

As a senior
developer on our team, you’ll help build and evolve a cutting-edge platform that
replaces legacy, fragmented systems with a unified, cloud-native solution. From
on-demand back-office capabilities to embedded compliance and

AI-driven
decision support, OneLynk is designed to disrupt the “back-office” landscape — and we’re just getting started.

If you’re
passionate about clean architecture, secure scalable services, and working with the
latest technologies to solve complex real-world problems, AtWork Systems offers a
rare opportunity: the ability to innovate boldly, deliver meaningful

outcomes, and shape the future of an
industry ready for change. Join us and build
something that truly matters.

JOB RESPONSIBILITIES
  • Design and Architecture Scalable SaaS
    Solutions

    • Define and implement system architecture
      that supports multi-tenant ERP modules, high availability, and secure
      cloud-based deployment.

    • Apply advanced design patterns and
      architectural principles to ensure maintainability, scalability, and
      performance.

  • Develop and Optimize Core ERP Modules
    • Utilize Claude Code and other AI enable
      tools to develop clean, maintainable, and testable code for mission-critical
      ERP features such as finance/accounting, HR, contract/project management,
      procurement, order management and compliance.

    • Refactor existing codebases to improve
      efficiency and reduce technical issues.

  • Integrate Third-Party Systems and APIs
    • Design and implement secure integrations
      with payment gateways, document management systems, government compliance
      tools, and other SaaS services.

    • Ensure seamless data exchange via REST,
      GraphQL, or message queues.

  • Support DevOps and Continuous Delivery
    Practices

    • Implement CI/CD pipelines, automated
      testing frameworks, and containerized deployments (e.g., Docker, Kubernetes).

    • Monitor production systems for uptime,
      security, and performance, and respond to incidents with root cause analysis.

  • Mentor and Guide Engineering Teams
    • Provide technical leadership to junior and
      mid-level engineers, conducting code reviews, pair programming, and
      knowledge-sharing sessions.

    • Foster best practices in agile software
      development, secure coding, and quality assurance.

  • Ensure Compliance, Security, and Data
    Privacy

    • Implement role-based access control,
      encryption, and other security measures to protect sensitive ERP data.

    • Stay updated on compliance requirements
      (e.g., FedRAMP, SOC 2, GDPR) and ensure the platform meets or exceeds these
      standards.



Requirements

  • Bachelor’s
    degree in computer science or software engineering

  • At
    least 5 years’ experience developing business systems software

  • At
    least 7-10 years’ experience developing SaaS software using JEE and Amazon web
    services.

  • At
    least 7-10 years’ experience in object-oriented programming language, such as
    Java, including extensive use of Java Collections, Reflection and Generics
    libraries to build mission critical business applications.

  • At
    least 5 years developing enterprise applications using SQL databases such as
    Oracle and MySQL and JEE libraries including JPA, EJBs, JMS messaging and REST.
    Must have extensive knowledge of building backend REST-based APIs using JPA or
    Hibernate and GraphOL.

  • At
    least 7-10 years designing, developing and debugging user interfaces software
    using Angular/Prime NG web development toolkit.

  • At
    least 7-10 years in DevOps utilizing Amazon web services to support configuring
    and deploying virtual servers, maintaining and optimizing SQL databases and
    utilizing CI/CD for deploying enterprise software

  • Should be willing to accept a
    long-term work-from-home arrangement.

  • Should be amenable to a permanent
    night shift schedule



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