Top Senior Level Software Engineer Jobs in CO

Develop and maintain software applications using Python, Java, JavaScript, and AI-enabled technologies. Translate business requirements into technical designs, build microservices and enterprise integrations, debug and test code, support CI/CD releases, troubleshoot issues, and apply quality standards. Collaborate with stakeholders, interpret data, contribute to solution design, improve user experience, manage workstreams, and mentor junior team members.

Build and scale mission-critical tips, earnings, and payroll platforms for restaurant employees. Own systems end to end, lead complex projects from design through deployment, improve reliability and correctness, collaborate with product and design, review code, mentor engineers, and deliver scalable backend services that affect employee pay and product revenue.

Leads full-stack software teams developing, integrating, deploying, and maintaining mission-critical applications for DoD and intelligence customers. Builds prototypes and user-focused features, integrates systems and APIs, collaborates with military and government operators, and conducts deployment, field testing, and triage in secure environments. Requires expertise in React, TypeScript, Python, high-performance interfaces, secure software deployment, customer engagement, and national security missions.

Develop and maintain a full-stack web application and platform for fraud analysis. Build APIs and user interfaces, write automated tests, troubleshoot production issues, collaborate with product, design, data science, infrastructure, and solutions engineering teams, and participate in on-call support. Use React, Golang, Python, PostgreSQL, Docker, and AWS technologies to deliver reliable products and meet service-level requirements.

Develop and maintain a fraud-analysis web application and platform. Build APIs and user interfaces, write automated tests, troubleshoot production issues, collaborate with product and cross-functional teams, analyze product metrics, and support SLA compliance through production on-call rotation.

Develop and maintain a fraud-analysis web application and platform, with 60–70% frontend focus. Build APIs, collaborate with product and cross-functional teams, write automated tests, analyze product metrics, troubleshoot issues, maintain service-level requirements, and participate in on-call support. The role uses React, backend languages, databases, Docker, and AWS technologies in a remote U.S.-based environment.

Own SEON’s global WordPress platform, including custom Gutenberg blocks, themes, plugins, deployments, security, performance, upgrades, integrations, multilingual functionality, technical SEO, accessibility, testing, and recovery processes. Collaborate with Marketing, Design, SEO, agencies, and stakeholders to deliver scalable solutions, establish engineering standards, and proactively improve the reliability and performance of the business-critical website.

Leads the design, development, and delivery of scalable real-time event-based systems for bonus and offers functionality. Builds and maintains full-stack services using Go, TypeScript, React, SQL, Kafka, and GCP. Responsibilities include technical leadership, solution governance, code quality, estimation, documentation, production ownership, mentoring, coaching, and serving as an escalation point for the team.

Designs, develops, tests, and architects complex flight software for space systems. Responsibilities include writing maintainable code, using Git, conducting code reviews, troubleshooting, documenting software processes, and collaborating on requirements. The engineer will mentor other engineers, provide technical leadership, and apply secure coding, automated testing, CI/CD, and software development best practices.

Build and deploy healthcare integrations for payer and health plan partners. Responsibilities include architecture discovery, prototypes, API and data-feed integrations using Python, SQL, HL7, and FHIR, production coding, troubleshooting live systems, customer collaboration, security reviews, documentation, and product feedback. The role owns implementations from discovery through launch and requires strong technical communication, healthcare data knowledge, and 15–20% travel.

Develop and optimize high-performance Android TV interfaces for hardware-constrained set-top boxes. Responsibilities include Kotlin and Java development, Jetpack Compose UI implementation, D-pad navigation and focus management, memory and rendering optimization, observability, CI/CD pipelines, automated testing, AI-assisted development workflows, architectural reviews, engineering standards, and technical mentorship.

Develop and maintain full-stack data analytics applications, interactive dashboards, visualization tools, backend services, RESTful APIs, and database integrations. Integrate data sources, analytical models, and processing services into secure, scalable user-facing applications. Collaborate with data scientists, engineers, analysts, and government stakeholders while supporting testing, troubleshooting, performance optimization, CI/CD, and deployment activities.