Senior Enterprise Applications Developer – Integrations

Sierra Nevada Corporation; Englewood (CO); Hybrid; USD 108,000 - 149,000; Full time

Benefits offered by this job

Medical plans

Dental plans

Vision plans

401(k) with 150% match up to 6%

Life insurance

3 weeks paid time off

Tuition reimbursement

Job summary

Sierra Nevada Corporation (SNC) is seeking a Business Applications Developer III to design, develop, and maintain advanced enterprise software integrations across multiple systems. You will mentor junior developers and lead large projects within a hybrid office setting.

Key responsibilities include building API/integration patterns, implementing identity services (SSO/OAuth), and guiding vendor strategy while ensuring reliability and security for critical aerospace and defense applications.

Qualifications

• Bachelor’s degree in Computer Science, Business Administration, or related field.
• 5+ years of experience in business analyst systems, or a related field.
• Relevant experience can substitute for the required educational qualifications.
• In the absence of a degree, a minimum of 9 years of related experience is required.
• Higher level relevant degree may substitute for experience.
• Experience with .NET (C#), WCF, MVC, jQuery, JavaScript, Node, Typescript.
• Skilled in SQL Development, Application Integration, Web application development, HTML, DHTML, or CSS.
• Strong problem-solving and analytical skills.
• Excellent communication and teamwork skills.
• Proven experience leading development projects.
• Experience designing integration architecture and patterns for enterprise systems and event-driven platforms (e.g., ServiceNow, SAP, Kafka, Azure Service Bus).
• Experience designing identity federation and SSO solutions using OAuth/OIDC/SAML.
• Experience with Python or Go, including building automation platforms that reduce manual workflow overhead.
• Experience leading vendor evaluations and designing monitoring/observability practices for integration reliability.
• Ability to obtain/maintain a Secret U.S. Security Clearance is required.

Responsibilities

• Design and implement integrations between enterprise systems (ServiceNow, SAP, Workday, Jira, Confluence, Salesforce, and others) and the SNC developer platform
• Build and maintain API and event-driven integration patterns (REST, GraphQL, webhooks, messagequeues, event streaming) for reliable, scalable data exchange
• Own identity platform engineering - integrating SSO, OAuth/OIDC, SCIM provisioning, and directory services across enterprise applications
• Lead technology vendor strategy and evaluation for enterprise tooling - defining selection criteria, conducting evaluations, and managing vendor relationships
• Build enterprise automation solutions that reduce manual workflow overhead across IT, Operations, and Engineering processes
• Maintain integration platform reliability - monitoring, alerting, and on-call for integration failures
• Document integration patterns, publish reusable connectors and SDKs, and enable other teams to build on the integration platform
• Ensure all integrations are secure, compliant and maintainable

Skills

NET/C#

WCF

MVC

jQuery

JavaScript

Node

Typescript

SQL Development

HTML/CSS

OAuth/OIDC

SSO

Kafka

Azure Service Bus

ServiceNow

SAP

Workday

Jira

Confluence

API/Integration Design

Event-driven architecture

Education

Bachelor’s degree in Computer Science, Business Administration, or related field

9+ years of related experience in absence of a degree

Tools

ServiceNow

SAP

Workday

Jira

Confluence

Salesforce

Job description

Sierra Nevada Corporation (SNC) is seeking a Business Applications Developer III to design, develop, and maintain advanced enterprise software integrations across multiple systems. You will mentor junior developers and lead large projects within a hybrid office setting.

Key responsibilities include building API/integration patterns, implementing identity services (SSO/OAuth), and guiding vendor strategy while ensuring reliability and security for critical aerospace and defense applications.