> Markdown version of [/jobs/ext/4672669-data-integration-developer](https://www.wearedevelopers.com/jobs/ext/4672669-data-integration-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Data Integration Developer - **Company:** Integral Consulting Services - **Location:** Tysons, VA, United States - **Experience:** Experienced - **Salary:** $130,000 - $140,000 - **Contract:** Permanent contract - **Skills:** .NET Framework, Application Programming Interfaces (APIs), Artificial Intelligence, Amazon Web Services, Audit Trail, C Sharp (Programming Language), Code Generation, Code Review, Continuous Integration, Data Validation, Data Integration, Extract Transform Load (ETL), Data Mapping, Data Transformation, Data Security, Electronic Data Interchange (EDI), JSON, Python (Programming Language), Microsoft SQL Server, Oracle (Applications), Salesforce.Com, SQL Databases, Systems Integration, Extensible Markup Language (XML), Openapi, Integration Tests, Information Technology, Restful APIs, Software Version Control, Legacy Systems - **Published:** November 11, 2026 - **Apply:** https://www.jofdav.com/jobs/60494337-data-integration-developer ## About the Role Bachelor's Degree in computer science or IT related degree with 3-6 years' experience. Additional years of experience can substitute for a degree for the right candidate.Hands-on programming/scripting for REST APIs, SQL, JSON/XML and data mapping or ETL integration.Demonstrated ability to review AI-generated integration code and validate it against approved mappings and API contracts.Experience with version control, unit/integration tests and CI/CD workflows.Understanding of data validation, security, auditability and error-handling requirements.Public Trust ## Description The Data Integration Developer builds and validates integration adapters, mapping code, SQL transformations and data exchange scripts connecting VA-EISS with enterprise and legacy systems. Human-review all AI-generated code and scripts before deployment in support of VA-EISS modernization., Responsibilities:Implement REST API clients, integration adapters, validation rules, SQL procedures and data transformation scripts from approved interface specifications.Review AI-generated APIs, mappings, SQL and scripts for schema alignment, data security, error paths, performance and repeatability.Develop automated interface tests and synthetic test records; verify expected business identifiers and reconciliation results.Work with the Integration Engineer, Data Engineer, value-stream Dev Lead and QA Lead on change reviews and integration releases.Troubleshoot data exchanges, log failures safely, automate retries and document mapping/operational evidence., C#/.NET adapters, Python, SQL Server, Oracle, Salesforce, AWS integration services and VA enterprise interfaces.Case-management data, ETL tooling, JSON Schema/OpenAPI, migration reconciliation and interface contract testing.VA-authorized AI-assisted coding and structured code review practices.