Demo

Senior Front-end Engineer

Apex Systems
Appleton, WI Full Time
POSTED ON 4/17/2026
AVAILABLE BEFORE 5/16/2026
Job#: 3030769

Job Description:

Senior Full Stack Developer

Location: Fully Remote

Employment Type: Long Term Contract (with potential for C2H)

Role Overview

We are seeking a Senior Full Stack Engineer with experience in Front End Development and CI/CD/DevOps. While the team’s charter is security, this specific role is developer‑first.

Required Qualifications

Experience: 8 years of development experience, with a focus on front-end or full-stack development. The role requires demonstrated thought leadership and strong soft skills.

High-Level Individual Duties:

  • Full‑Stack Development (Primary Focus)
    • Build and enhance internal web applications and dashboards
    • Consume APIs from cloud scanning and vulnerability tools
    • Normalize and aggregate data into a visually clean UI
    • Own front‑end development while troubleshooting backend services as needed
    • Improve usability and presentation of technical/security data
  • DevOps & CI/CD
    • Work within GitHub‑based CI/CD pipelines
    • Develop locally using VS Code
    • Support deployment pipelines and workflow automation
    • Collaborate with DevOps and security engineers on pipeline improvements
  • Security Enablement (Secondary Focus)
    • Integrate outputs from tools like cloud scanning and vulnerability scanners
    • Help translate security findings into usable data for engineers
    • Assess current tooling coverage and identify security gaps
    • Make recommendations to improve visibility and remediation workflows
Must-Haves (Concepts & Tools):

  • Strong Collaboration & Leadership (Does not need to be a lead with lead level experience, but someone comfortable taking charge)
  • Software / Full‑Stack Development
    • 7 years of hands‑on software engineering experience
    • Strong full‑stack development background
    • Experience building modern UIs and integrating backend services
    • Experience consuming third‑party APIs and aggregating data
    • Comfortable troubleshooting backend services when needed
    • Experience writing tests and maintaining code quality
Software / Full‑Stack Development

  • 7 years of hands‑on software engineering experience
    • Strong full‑stack development background
    • Experience building modern UIs and integrating backend services
    • Experience consuming third‑party APIs and aggregating data
    • Comfortable troubleshooting backend services when needed
  • Programming & Tooling
    • Proficient in Python (open to other modern languages)
    • Experience building HTTP services following REST principles
    • Experience with SQL and/or NoSQL datastores
  • DevOps
    • Strong experience working in CI/CD environments
    • GitHub, GitHub Actions, Git workflows
    • Local development using VS Code
    • Familiarity with cloud‑native development patterns
Nice-to-Haves:

  • Security / DevSecOps
    • Experience integrating security tools into applications or pipelines
    • Familiarity with:
      • Static code analysis (e.g., Snyk)
      • Cloud security / container security (e.g., Wiz)
      • Vulnerability scanning and reporting
  • History of influencing engineering standards or practices/comfortable making recommendations toward future state

Technical Skills:

  • Development experience in Python (preferred), TypeScript, or Java.
  • UI or Front End Development experience
  • Recent DevOps experience with CI/CD pipelines.
  • Experience with SQL and NoSQL database operations and management.
  • Experience with containerization and infrastructure as code, including Docker, Kubernetes, and Terraform.
  • Expertise with Git, GitOps, GitHub Actions, and GitHub Workflows.
  • Experience with static code analysis, secrets detection, container security, and software composition analysis solutions.
  • Proficiency in building HTTP servers following REST protocol.
  • Ability to write tests for code resiliency.

Preferred Qualifications

  • Experience working within a Product Operating Model.
  • Knowledge of systems design concepts that provide security and stability.
  • A background in financial services or other highly regulated industries.

Compensation & Benefits

The pay rate for this position is between $65.00 and $90.00 per hour. Contract employees are eligible for benefits, including medical, dental, and vision insurance options.

This employer is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability.

Apex uses a virtual recruiter as part of the application process. Click here for more details.

If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation in using our website for a search or application, please contact our Benefits Department at [email protected] or 804-523-8228.

Apex Systems is a world-class IT services company that serves thousands of clients across the globe. When you join Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRated's Best of Staffing® in Talent Satisfaction in the United States and Great Place to Work® in the United Kingdom and Mexico. Apex uses a virtual recruiter as part of the application process. Click here for more details.

Apex Benefits Overview: Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6 months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our ‘Welcome Packet’ as well, which an Apex team member can provide.

Apex Systems is a world-class IT services company that serves thousands of clients across the globe. When you join Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRated's Best of Staffing® in Talent Satisfaction in the United States and Great Place to Work® in the United Kingdom and Mexico. Apex uses a virtual recruiter as part of the application process. Click here for more details.

Apex Benefits Overview: Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6 months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our ‘Welcome Packet’ as well, which an Apex team member can provide.

Apex Systems is part of the Commercial Segment of ASGN Incorporated.

NYSE: ASGN

4400 Cox Road

Suite 200

Glen Allen, Virginia 23060

Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law. If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation in using our website for a search or application, please contact our Benefits Department at [email protected] or 804-523-8228. (Do not submit resumes or solicit consultants to this email address). UnitedHealthcare creates and publishes the Transparency in Coverage Machine-Readable Files on behalf of Apex Systems.

Salary : $65 - $90

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