Demo

Sr Cobol Developer

Randstad Digital Americas
Freeport, ME Contractor
POSTED ON 9/1/2026
AVAILABLE BEFORE 9/30/2026
Job Summary

We are seeking a Senior Cobol Developer to support our Marketing efforts to decommission the Mainframe: move and improve or remove. Ideally the candidate would have both cloud and Cobol skills.

location: Telecommute

job type: Contract

salary: $63 - 67 per hour

work hours: 8am to 5pm

education: Associates

Responsibilities

Primary requirements

  • Senior level Cobol programming skills
  • Support Marketing efforts to decommission Mainframe: move and improve or remove.
  • Create a knowledge base using AI MCP to document current marketing Mainframe functionality
  • Customer data and attributes
  • Continue ongoing support to modernize email and physical address verification.
  • Address hygiene
  • Mainframe incident support
  • Knowledge of Agile Scrum practices and Jira

Requirements Include

  • 8 years of experience developing web applications
  • 5 years of experience with e-commerce application development
  • 3 years of experience developing NodeJS applications
  • 3 years of experience developing ReactJS applications

Qualifications

Technical Skills and Qualifications:

2-4 year degree in Computer Science/technology is a plus

Security - Understanding of OWASP principles and best practices

JavaScript - POJS, ECMA (ES) & TypeScript

NodeJS - NPM, HapiJS, Express, & NestJS

ReactJS - Lifecycles, Hooks, Routing, State, HOCs & SFCs

Dev Utilities - MS VisualCode, GitHub & Git CLI

Build Utilities - Lint, Babel & WebPack

Unit Testing - Jest, Tape & React Testing Library

Browser - HTML, CSS/SASS, Accessibility, Debugging

Google Cloud (GCP) and Kubernetes experience is a plus

Strong Understanding Of The Following Concepts Is Crucial

Request/Response Headers

JS Promises and Asynchronous execution flow

Browser Cookies & Local/Session Storage

Server vs. client side JS execution.

RESTful communication with APIs

Skills

Cobol,Mainframe,decommission,Marketing

Equal Opportunity Employer: Race, Color, Religion, Sex, Sexual Orientation, Gender Identity, National Origin, Age, Genetic Information, Disability, Protected Veteran Status, or any other legally protected group status.

At Randstad Digital, we welcome people of all abilities and want to ensure that our hiring and interview process meets the needs of all applicants. If you require a reasonable accommodation to make your application or interview experience a great one, please contact HRsupport@randstadusa.com.

Pay offered to a successful candidate will be based on several factors including the candidate's education, work experience, work location, specific job duties, certifications, etc. In addition, Randstad Digital offers a comprehensive benefits package, including: medical, prescription, dental, vision, AD&D, and life insurance offerings, short-term disability, and a 401K plan (all benefits are based on eligibility).

This posting is open for thirty (30) days.

It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

Salary : $63 - $67

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