Manhattan MAO Engineer

Techblocks; New York (NY); Hybrid; USD 140,000 - 210,000; Full time

Job summary

Techblocks in Manhattan, NY is seeking a Lead Engineer with deep expertise in Manhattan Active Order Management (MAO) and Manhattan OMS to design and implement custom extensions, and to integrate them with distributed order management, supply chain intelligence, and fulfillment operations.

You will guide development on MAO/OMS, DOM, EOM, ATC, SCI, and REST/API integrations, collaborating with business teams to translate order management into scalable technical solutions.

Qualifications

• 5+ years of experience with Manhattan DOM, EOM, ATC, SCI and MAO custom extensions.
• Strong knowledge of MAO/OMS and custom extension development.
• Expertise in Java, SQL, REST APIs and JSON.
• Deep understanding of supply chain, fulfillment, and order orchestration.
• Experience in system architecture, integration design, and scalability.
• Familiarity with Agile and Waterfall SDLC methodologies.
• Hands-on experience with payment processing, fraud, tax, WMS, and ERP integrations.

Responsibilities

• Design, develop, and maintain custom extensions on MAO/OMS.
• Configure and manage DOM, EOM, and ATC functionalities.
• Implement supply chain intelligence and order fulfillment workflows.
• Integrate Manhattan OMS with payment processing, fraud, tax systems, WMS, and ERP.
• Develop REST API integrations and optimize system performance.
• Provide technical leadership in architecting Manhattan OMS solutions.
• Guide teams on best practices for customization and scalability.

Skills

MAO/DOM/EOM

MAO extensions

Java

SQL

REST APIs

JSON

Supply chain

System architecture

SDLC methodologies

Integration design

Agile & Waterfall

Payments/Tax/WMS/ERP

Job description

We are looking for a Manhattan MAO Lead Engineer with deep expertise in Manhattan Active Order Management (MAO) and Order Management Systems (OMS). This role requires hands‑on experience in designing and implementing custom extensions on top of Manhattan OMS and MAO, as well as integrating them with distributed order management, supply chain intelligence, and fulfillment operations.

Key Responsibilities

Manhattan OMS & MAO Implementation

• Design, develop, and maintain custom extensions on Manhattan Active Order Management (MAO) and OMS.
• Configure and manage Distributed Order Management (DOM), Enterprise Order Management (EOM), and Available to Commerce (ATC) functionalities.
• Implement and fine‑tune supply chain intelligence and order fulfillment workflows.
• Integration & Custom Development
• Build custom extensions and enhancements to adapt Manhattan OMS to unique business requirements.
• Integrate Manhattan OMS with payment processing, fraud detection, tax systems, warehouse management, and ERP platforms.
• Develop and optimize REST API integrations to enhance system performance.

Data & Reporting

• Configure SCI (Supply Chain Intelligence) reporting and develop custom reports & dashboards.
• Work with SQL, JSON, and Java to manage order‑related data across the ecosystem.
• Provide technical leadership in architecting and integrating Manhattan OMS solutions.
• Guide development teams on best practices for customization, performance optimization, and scalability.
• Collaborate with business teams to translate order management and supply chain needs into technical solutions.

Mandatory Skills & Experience

• 5+ years of experience in Manhattan Distributed Order Management (DOM, EOM, ATC, SCI)
• Strong knowledge of Manhattan Active Order Management (MAO) and custom extension development
• Expertise in Java, SQL, REST APIs, and JSON
• Deep understanding of supply chain, fulfillment, and order orchestration
• Proven experience in system architecture, integration design, and scalability
• Experience in Agile & Waterfall SDLC methodologies
• Hands‑on experience with payment processing, fraud, tax, warehouse management, and ERP integrations

What We Offer

• Competitive Salary & Performance‑Based Incentives
• Monthly Rewards & Recognition
• Opportunities to Work on Cutting‑Edge Projects