Middleware Engineer

Jobtailor; Deutschland; Remote; EUR 90.000 - 120.000; Vollzeit

Zusammenfassung

Jobtailor in Germany is seeking an experienced Middleware & API Engineer to design, implement, and secure integration solutions for enterprise applications. You will work on REST/SOAP connectors, identity integrations with Okta and SailPoint IdentityIQ, and ensure rigorous DoD security controls across systems.

Remote work is not indicated; travel to government facilities may be required. Candidates must hold an active secret clearance and meet DoD cybersecurity certification requirements.

Qualifikationen

• Bachelor's degree in Computer Science, Software Engineering, Information Technology, Information Systems, or a related field.

Aufgaben

• Design, develop, test, and deploy custom middleware solutions, integration proxies, protocol translators, and adapter components.
• Engineer custom connectors, REST and SOAP APIs, scripts, and integration libraries connecting non-standard applications to Okta and SailPoint IdentityIQ.
• Analyze legacy application architectures, authentication mechanisms, and data flows to design integration approaches using SAML, OAuth 2.0, OIDC, and SCIM.
• Develop reusable integration libraries, sample code repositories, and middleware components.
• Collaborate with migration engineers, platform engineers, team leads, and application owners on integration requirements and technical solutions.
• Provide middleware feasibility assessments and document integration pathways, risk registers, and gap analyses.
• Advise application owners on middleware architecture and troubleshoot application‑side integration failures.
• Develop automated provisioning and deprovisioning workflows, SCIM endpoints, directory synchronization scripts, and lifecycle management hooks.
• Implement RBAC and ABAC solutions, attribute mapping logic, claims transformation middleware, and authorization policy enforcement components.
• Contribute reusable components to self‑service and automated enablement tooling.
• Conduct unit, integration, and security testing before deployment.
• Support test plan development, technical integration tests, UAT events, defect diagnosis, and resolution.
• Ensure compliance with DFARS 239.73 supply chain risk management requirements and vet third‑party dependencies
• Produce and maintain architecture diagrams, data flow diagrams, API specifications, deployment guides, and operational runbooks
• Contribute to middleware engineering standards, coding best practices, reusable component libraries, and integration playbooks
• Ensure solutions comply with Section 508 and DoD security requirements, including CUI handling, OPSEC, and DFARS 252.204-7012
• Maintain knowledge of middleware technologies, identity integration patterns, and DoD Zero Trust requirements

Kenntnisse

Middleware Development

API Engineering

SAML 2.0

OAuth 2.0

OIDC

SCIM

Active Secret Clearance

Java

Python

PowerShell

Ausbildung

Bachelor's degree in Computer Science or related field

Tools

Okta

SailPoint IdentityIQ

LDAP

Active Directory

Git

Microsoft Office Suite

Microsoft Teams

Jobbeschreibung

• Design, develop, test, and deploy custom middleware solutions, integration proxies, protocol translators, and adapter components
• Engineer custom connectors, REST and SOAP APIs, scripts, and integration libraries connecting non-standard applications to Okta and SailPoint IdentityIQ
• Analyze legacy application architectures, authentication mechanisms, and data flows to design integration approaches using SAML, OAuth 2.0, OIDC, and SCIM
• Develop reusable integration libraries, sample code repositories, and middleware components
• Collaborate with migration engineers, platform engineers, team leads, and application owners on integration requirements and technical solutions
• Provide middleware feasibility assessments and document integration pathways, risk registers, and gap analyses
• Advise application owners on middleware architecture and troubleshoot application‑side integration failures
• Develop automated provisioning and deprovisioning workflows, SCIM endpoints, directory synchronization scripts, and lifecycle management hooks
• Implement RBAC and ABAC solutions, attribute mapping logic, claims transformation middleware, and authorization policy enforcement components
• Contribute reusable components to self‑service and automated enablement tooling
• Conduct unit, integration, and security testing before deployment
• Support test plan development, technical integration tests, UAT events, defect diagnosis, and resolution
• Ensure compliance with DFARS 239.73 supply chain risk management requirements and vet third‑party dependencies
• Produce and maintain architecture diagrams, data flow diagrams, API specifications, deployment guides, and operational runbooks
• Contribute to middleware engineering standards, coding best practices, reusable component libraries, and integration playbooks
• Ensure solutions comply with Section 508 and DoD security requirements, including CUI handling, OPSEC, and DFARS 252.204-7012
• Maintain knowledge of middleware technologies, identity integration patterns, and DoD Zero Trust requirements

Requirements

• Bachelor's degree in Computer Science, Software Engineering, Information Technology, Information Systems, or a related field from an accredited college or university
• Minimum of 5 years of hands‑on software or systems engineering experience, including at least 3 years of direct experience in middleware development, API engineering, or enterprise application integration
• Experience designing and developing custom integration solutions, including REST APIs, SOAP web services, protocol adapters, or middleware components in a production enterprise environment
• Experience integrating applications with enterprise identity platforms using SAML, OAuth 2.0, OIDC, or SCIM
• Active Secret clearance
• Ability to satisfy requirements for CAC‑card issuance and NIPRNet access
• Annual DoD CyberAwareness training and certification
• Strong proficiency in one or more of Java, Python, JavaScript, Node.js, C#, or PowerShell
• Hands‑on experience developing and consuming REST APIs and SOAP web services
• Practical implementation experience with SAML 2.0, OAuth 2.0, OIDC, and SCIM
• Experience analyzing and reverse‑engineering legacy application authentication and authorization mechanisms
• Familiarity with Okta and SailPoint IdentityIQ, including integration APIs and connector frameworks
• Experience with LDAP, Active Directory, and SCIM‑based directory synchronization
• Proficiency with Git, including branching strategies, code review processes, and collaborative development workflows
• Experience implementing secure coding practices
• Ability to conduct unit testing, integration testing, and security‑focused code reviews
• Strong analytical and problem‑solving skills
• Strong technical documentation skills
• Familiarity with DoD security requirements, including CUI handling, OPSEC, DFARS 252.204-7012, DFARS 239.73, and DoDM 8140.03
• Strong written and oral communication skills in English
• Ability to work independently and as part of a collaborative cross‑functional team
• Proficiency with Microsoft Office Suite and Microsoft Teams
• Ability to obtain and maintain required DoD cybersecurity certifications per DoDM 8140.03, such as Security+ for IAT II or equivalent
• Occasional travel to Government facilities may be required

Core Competencies

Demonstrates expertise in middleware development, API engineering, and enterprise application integration, with a strong focus on compliance with DoD security requirements and identity integration patterns. Proficient in designing and implementing custom integration solutions using industry‑standard protocols and technologies.

Highest‑signal resume keywords

• Middleware Development
• API Engineering
• SAML 2.0, OAuth 2.0, OIDC, SCIM
• Java, Python, JavaScript, Node.js, C#, PowerShell
• Active Secret Clearance

ATS Optimization Keywords

Hard Skills

• Middleware Development
• API Engineering
• REST APIs
• SOAP Web Services
• Integration Solutions
• Legacy Application Analysis
• Secure Coding Practices
• Unit Testing
• Integration Testing
• Technical Documentation

Soft Skills

• Analytical Skills
• Problem‑Solving Skills
• Written Communication
• Oral Communication
• Collaboration

Certifications & Qualifications

• DoD CyberAwareness Training
• Security+ for IAT II

Industry Keywords

• DFARS 239.73
• CUI Handling
• OPSEC
• DoD Security Requirements
• DoD Zero Trust

Tools & Technologies

• Okta
• SailPoint IdentityIQ
• LDAP
• Active Directory
• Git
• Microsoft Office Suite
• Microsoft Teams