Senior Java / B2B Integration Engineer

eClerx•Austin, TX

19d•$180,000

About The Position

eClerx is seeking a Senior Java / B2B Integration Engineer to set the technical direction for B2B integration delivery. This hands-on senior role combines deep Java and B2B engineering expertise with technical leadership and governance. The engineer will define integration patterns and standards, provide architecture guidance, and review development work performed by an offshore team to ensure alignment with client architecture and standards. The role includes guiding solution design for partner integrations and platform enhancements, evaluating architectural trade-offs, and supporting mapping, transformation, and canonical data model decisions. The engineer will serve as a technical escalation point for complex production issues and root cause analysis, and will collaborate with B2B specialists, product owners, QA, and distributed teams across India and onshore locations. The role is a six-month fixed-term position, benefits eligible, with extension subject to business needs and approval.

Requirements

At least 8 years of software engineering experience, with strong Java expertise (Java 8 or later; Spring/Spring Boot preferred).
At least 4 years of hands-on B2B/EDI integration experience, including X12 and/or EDIFACT and common transaction sets.
Experience with at least one B2B/integration platform, such as IBM Sterling B2B Integrator, Seeburger, OpenText, Cleo, MuleSoft, or Boomi.
Proven experience defining integration patterns, standards, or reference architectures.
Strong knowledge of protocols and formats including AS2, SFTP, REST/SOAP, XML, JSON, and flat files.
Experience conducting code and design reviews and mentoring offshore or distributed teams.
Solid understanding of relational databases and SQL, plus messaging or queue technologies such as Kafka or MQ.
Strong communication skills and ability to influence technical and non-technical stakeholders.

Nice To Haves

Experience with enterprise integration platform frameworks.
CI/CD tooling such as Jenkins, GitLab CI, or Azure DevOps, and test automation.
Experience with observability and monitoring tools such as Splunk, ELK, Grafana, or Dynatrace.
Exposure to AI-assisted development or integration use cases, such as LLM-assisted mapping or error analysis.

Responsibilities

Define and maintain reusable integration patterns for B2B/EDI, API, and file-based flows, including AS2, SFTP, REST, event-driven, and batch integrations.
Establish coding standards, design guidelines, error-handling and retry frameworks, logging and observability conventions, and security practices.
Create reference implementations, templates, and accelerators to improve delivery speed and consistency.
Provide solution design and architecture guidance for new partner integrations and platform enhancements.
Evaluate design options and trade-offs involving performance, scalability, resilience, and maintainability, and document key decisions.
Guide teams on mapping design, transformation approaches, and canonical data models.
Act as the technical escalation point for complex production issues and root cause analysis.
Review designs, code, and mappings from the offshore development team for quality, correctness, and adherence to client architecture and standards.
Run design and code review sessions, provide actionable feedback, and mentor developers.
Ensure compliance with architecture principles, security requirements, and release and deployment practices.
Track recurring defects and review findings, and drive corrective actions and standards updates.
Partner with B2B domain specialists, product owners, and QA to translate requirements into robust technical solutions.
Collaborate across time zones with India and onshore teams, ensuring clear handoffs and shared understanding.
Contribute to CI/CD, automated testing, and documentation practices.
Communicate technical risks, dependencies, and progress to stakeholders.