Freelance Algorithmic Trading Software Developer Jobs in Indianapolis, IN

ProTrans is seeking an experienced Software Developer / EDI Integration Developer to design, develop, support, and enhance B2B and application integrations that enable critical supply chain operations. This role will focus on Electronic Data Interchange (EDI), Azure Integration Services, Microsoft Logic Apps, APIs, and cloud-based integration solutions that support customers, trading partners, and internal business systems.

The ideal candidate MUST HAVE 10+ YEARS EXPERIENCE developing and supporting EDI transactions, integrating ERP and transportation management systems, troubleshooting production issues, and building scalable cloud-based integration solutions.  Candidates who do not have EDI experience will NOT be considered.

This is an ONSITE role based out of Indianapolis, IN. Remote and/or out of state candidates will NOT be considered for this opportunity. 

Role Responsibilities

    • Design, develop, test, deploy, and support EDI and system-to-system integrations using Microsoft Azure Integration Services.

    • Develop and maintain Azure Logic Apps, Azure Functions, API integrations, Service Bus messaging, and related cloud integration components.

    • Support and enhance EDI transaction processing, including ANSI X12 standards such as 204, 210, 214, 940, 943, 944, 945, 990, and 997.

    • Collaborate with customers, trading partners, business analysts, and internal teams to gather requirements and implement integration solutions.

    • Monitor and troubleshoot production integrations, identifying root causes and implementing long-term solutions.

    • Maintain and improve mapping, transformations, validation rules, and business processes related to EDI transactions.

    • Develop and maintain technical documentation including process flows, interface specifications, mapping documents, and support procedures.

    • Participate in solution design discussions and recommend best practices for integration architecture, scalability, security, and reliability.

    • Support the migration and modernization of legacy integration platforms and processes.

    • Participate in code reviews and promote coding standards, reusable components, and development best practices.

    • Work within Agile development methodologies and contribute to sprint planning, development, testing, and deployment activities.

    • Partner with Quality Assurance teams to develop test scenarios and validate integration functionality.

    • Provide technical support and mentorship to junior developers and team members as needed.

Required Qualifications

    • Bachelor's degree in Computer Science, Information Systems, Software Engineering, or related field; equivalent work experience considered.

    • 10+ years of experience in software development, EDI development, integration development, or related technical roles.

    • Experience developing and supporting Microsoft Azure Logic Apps and Azure Integration Services.

    • Experience supporting Electronic Data Interchange (EDI) solutions and industry-standard transaction formats.

    • Working knowledge of ANSI X12 and EDIFACT transaction sets, message structures, and trading partner implementations.

    • Experience creating and maintaining EDI maps, transformations, validations, and business rules.

    • Strong experience with REST APIs, JSON, XML, and data integration technologies.

    • Experience with C#, .NET, SQL Server, T-SQL, and stored procedures.

    • Understanding of system integration patterns, message-based architectures, and cloud integration concepts.

    • Experience troubleshooting and supporting production integration environments.

    • Familiarity with source control systems, CI/CD pipelines, and DevOps practices.

    • Strong analytical and problem-solving skills.

    • Excellent written and verbal communication skills.

    • Ability to manage multiple priorities in a fast-paced environment.

    • Strong attention to detail and commitment to delivering high-quality solutions.

Preferred Qualifications

    • Experience with Azure Functions, Service Bus, Event Grid, and API Management.

    • Experience with ERP, WMS, TMS, or Supply Chain systems.

    • Experience supporting transportation and logistics integrations.

    • Experience with managed file transfer (MFT) solutions, AS2, SFTP, and other B2B communication protocols.

    • Knowledge of EDIFACT and other EDI standards.

    • Experience with Azure DevOps and Git-based source control.

    • Experience migrating integrations from Microsoft BizTalk or other legacy integration platforms to Azure.

    • Understanding of supply chain, logistics, and transportation business processes.

Technical Skills

Integration Technologies

    • Microsoft Azure Logic Apps

    • Azure Integration Services

    • Azure Service Bus

    • Azure Functions

    • API Management

    • REST APIs

    • JSON

    • XML

    • XSLT

Development Technologies

    • C#

    • .NET

    • SQL Server

    • T-SQL

    • Git

    • Azure DevOps

EDI Technologies

    • ANSI X12

    • AS2

    • SFTP

    • B2B Integrations

    • Trading Partner Management

EDI Mapping and Validation