Logo for Scalable OS

Senior Full-Stack Developer

Role overview

Qualifications

  • 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
  • Extensive knowledge of building backend REST-based APIs using JPA or Hibernate and GraphQL

Responsibilities

  • Design and implement system architecture that supports multi-tenant ERP modules
  • Utilize Claude Code and other AI tools to develop clean, maintainable, and testable code
  • Design and implement secure integrations with payment gateways and other SaaS services
  • Implement CI/CD pipelines, automated testing frameworks, and containerized deployments

Key facts

  • Remote from: Philippines, Asia, APAC
  • Full time
  • Senior (5-10 years)
  • Full Stack Developer
  • English

Hard skills

Other skills

  • Mentorship
  • Problem Solving

About the company

Scalable OS logo

Scalable OS

Staffing & Recruiting

ScalableOS is a premium offshore staffing partner offering custom solutions for MSPs. We provide dedicated staff based in the Philippines, 100% under your control. Your team with us operates as an extension of yours! We’re experts in helping MSPs grow quickly and profitably.

Company details

Company typeSME
IndustryStaffing & Recruiting
Company size201 - 500

Your match analysis

See how your profile stacks up against this role.

We compared the job requirements to your profile to show where you're strong and where you fall short.

Job description

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


Apply once. Then go straight to the hiring manager.

After you apply, unlock the direct contact details of the people who actually make the call. A quick follow-up makes you 5x more likely to land an interview.

MR

Marcus Rivera

Chief Revenue Officer

m.rivera@company.com
linkedin.com/in/marcusrivera
Unlocked after you apply
·

Full Stack Developer Related jobs

Other jobs at Scalable OS

Premium

Reach out to the hiring manager directly.

Gain access to the contact details of the hiring managers who actually decide, and reach out to network with them directly. That, plus more when you upgrade:

  • Full match report with fit score and gaps
  • Career diagnostics on how recruiters read you
  • Curated company matches and warm intros
  • 48h early access to new roles

Cancel anytime.