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.