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Senior Java/J2EE Engineer – Telecom Billing & API

MenzoDenver, CO🇺🇸United States

Quick overview

SeniorityMid Senior
Work modeOn Site
LocationDenver, CO, United States
Generative AI

Job description

Menzo Technologies Corp. has an urgent opening with our direct client for an experienced Senior Java/J2EE Engineer – Telecom Billing & API in Denver, CO.

We are looking for suitable candidates with strong hands-on experience in Java/J2EE, Spring Boot, Microservices, REST APIs, Telecom Billing/Pricing, AWS, Kafka, and API Management.

Position Details:

  • Company: Menzo Technologies Corp.

  • Position: Senior Java/J2EE Engineer – Telecom Billing & API

  • Location: Denver, CO

  • Work Arrangement: Onsite – 5 days a week

  • Employment Type: Contract

  • Experience: 8+ Years

  • Openings: 5

  • Hiring: Urgent

Key Skills Required:

  • Java / J2EE

  • Spring Boot & Microservices

  • REST API Development

  • OpenAPI / Swagger / YAML

  • Apigee / API Gateway

  • Telecom Billing & Pricing

  • Rate Plans, Discounts, Credits & Adjustments

  • Offers & Promotions

  • Billing Rules, Exceptions & Overrides

  • Kafka / Event-Driven Architecture

  • AWS

  • Docker & Kubernetes

  • GitLab / CI/CD

  • OAuth2 / JWT / API Security

  • Claude / Claude Code / GitHub Copilot or similar AI coding tools

Preferred Skills:

  • NextJS / React

  • AI-assisted frontend/UI development

  • AWS Bedrock / Generative AI

  • Telecom/Wireless Billing or Charging platforms

  • Product Catalog / Order Management

  • Complex Pricing & Promotion Engines

What We Are Looking For:

Candidates must have strong hands-on experience in Java/Spring Boot microservices and API development, along with meaningful experience in telecom billing, pricing, commercial business logic, rate plans, discounts, credits, promotions, and billing exceptions/overrides.

Candidates should be able to understand business requirements and translate complex telecom pricing and billing logic into scalable technical solutions.

Practical experience with Claude, Claude Code, GitHub Copilot, or similar AI-assisted development tools is highly preferred.

Interested in submitting a candidate?

If you have any suitable and immediately available profiles, please share their updated resumes with us at

Kindly include the candidate's current location, work authorization, total experience, contact number, availability, and expected rate along with the resume.

This is an urgent requirement. We look forward to receiving your suitable profiles at the earliest.

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