Top Senior Level Software Engineer Jobs in CO

Design, develop, and maintain .NET full-stack financial applications and APIs, architect SQL Server databases and SSIS integration pipelines, integrate GenAI/LLM and workflow automation (KIRO, Databricks), enforce CI/CD with GitLab, and collaborate with CFO organization stakeholders to deliver scalable financial solutions.

Design, build, and deploy AI agent plugins and integrations for HR systems (Moveworks/Serval, ServiceNow, Workday). Lead technical analysis, API-based integrations, automation workflows, testing, documentation, and stakeholder collaboration to ensure secure, scalable HR automation solutions.

The Technical Lead will architect and implement systems for data processing and testing workflows in the autonomous vehicle development space, optimize software engineering practices, and guide a team of engineers.

Develop and manage high-performance back-end systems, design secure APIs, optimize performance in cloud environments, conduct testing, and manage ML model lifecycles.

Design, build, and maintain complex Salesforce solutions and integrations using Apex, LWC, REST/SOAP, and middleware. Lead architecture, enforce security and SDLC standards, mentor team members, perform code reviews, document procedures, and collaborate with stakeholders to deliver scalable, reliable, auditable Salesforce applications.

Lead design and implementation of the Tax platform: build scalable, fault-tolerant systems, improve extensibility, mentor engineers, drive technical strategy and roadmap, collaborate cross-functionally, improve reliability/incident response, and build AI guardrails to safely leverage agentic LLMs for tax compliance.

Lead the developer experience roadmap and own multi-language SDKs and the code-generation pipeline. Design CI, release automation, observability, and tooling (CLI, starter repos). Improve cross-language parity, docs, and developer onboarding; remove systemic friction and represent DX to Product, Engineering, and Partnerships.

Design, develop, integrate, and certify test system software and hardware for ground, airborne, and space systems. Implement test automation, low-level hardware control, and custom interfaces primarily using Python and Ruby. Define requirements, support system architecture, develop within CI/CD and containerized environments, and collaborate across disciplines to meet program technical, cost, and schedule goals.

Own and modernize the governance domain (auth, roles/permissions, orgs, billing) as a Staff-level backend IC: set architecture, refactor for scale and AI-native workflows, write critical-path code (70-80%), mentor engineers, and partner with product to deliver enterprise-grade governance and compliance features.

The Lead ServiceNow Engineer will architect and govern the ServiceNow platform, lead complex initiatives, mentor engineers, and ensure scalable solutions align with enterprise strategy.

Lead design, develop, test, and maintain full-stack Java enterprise applications and native mobile apps (iOS/Android). Build Spring Boot microservices, responsive frontends (Angular/React/Vue), integrate APIs, ensure security and performance, participate in CI/CD and DevOps, mentor engineers, and support app releases and production troubleshooting.