Top Software Engineer Jobs

Design, develop, test, and maintain C#-based software and full-stack web applications in a Windows environment. Collaborate on an Agile team, integrate data via APIs across multiple business systems, support CI/CD pipelines, and debug/optimize applications for performance and reliability.

Lead the front-end architecture and development of the FanSight platform, owning end-to-end systems and user experience. Build scalable, high-performance consumer-facing and B2B web applications, implement APIs and services, set engineering standards, guide technical direction, mentor engineers, and collaborate with product, design, security, and cross-functional teams to deliver accessible, resilient applications that handle massive traffic.

Lead front-end architecture and development for the FanSight platform, owning end-to-end systems, building scalable consumer and B2B features, mentoring engineers, defining technical roadmaps, ensuring performance, accessibility, testing, and collaborating with cross-functional teams to deliver high-traffic, resilient web applications.

Senior contractor engineer will own and evolve Thrive's enterprise platform end-to-end, starting on the Coaching app. Responsibilities include sustaining engineering (reliability, scalability, technical debt), delivering medium-to-large projects, partnering with Product and stakeholders, supporting on-call and incident response during US hours, and shipping high-quality, enterprise-facing features iteratively.

As a Senior Software Product Engineer, you will enhance compliance solutions through advanced software development, performance optimization, and team collaboration to ensure high-quality outcomes and user experience.

Designs, develops, tests, debugs and maintains software systems. Participates in design and code reviews, creates test plans and executes tests, identifies and mitigates technical risks, and collaborates with cross-functional teams in an Agile environment. Prepares documentation, evaluates vendor capabilities, and supports continuous process improvements while exercising significant technical decision-making.

Lead software engineer responsible for designing high-level and detailed architectures, performance tuning, and building distributed systems. Work with LLM/ML and big-data technologies (e.g., Langchain, Spark), develop in Python and C++, and design data solutions with strong SQL and database fundamentals. Collaborate across teams and integrate diverse frameworks into practical solutions.

Lead the development and maintenance of high-performance cross-platform desktop and mobile applications for HiFi audio. Drive technical direction, mentor team members, and innovate audio streaming solutions while ensuring product scalability and performance.

Lead design and delivery of the WEX Bill Pay platform services. Define architectural roadmap, drive implementation and reuse across teams, champion testing/automation, ensure security and compliance, mentor engineering teams, and improve time-to-market through efficient engineering practices.

Design and build responsive, high-performance front-end web applications for mission-critical geospatial systems. Collaborate with designers and backend engineers, develop/maintain APIs and CI/CD pipelines, ensure performance, security, and scalability, participate in code reviews, and support production systems.

Design and develop modern web front-end interfaces and back-end services/APIs for high-performance geospatial applications. Collaborate with designers, backend engineers, and product teams; build and improve CI/CD pipelines; ensure application performance, security, and scalability; participate in code reviews; support production systems and troubleshoot issues.

Design and develop high-performance front-end web applications and APIs for mission-critical geospatial systems. Collaborate with designers, backend engineers, and product teams, improve CI/CD pipelines, ensure performance, security, and scalability, participate in code reviews, and support production systems.

Design and implement scalable backend services, APIs, and ingestion pipelines for geospatial applications. Extend and integrate ArcGIS Enterprise, build containerized tooling, support cloud/on-prem deployments, and improve reliability, performance, and observability for mission-critical Defense/Intelligence systems.

Design and build scalable backend services, APIs, and ingestion pipelines for geospatial processing. Develop integrations and automation for ArcGIS Enterprise in containerized, cloud-native and on-prem environments. Improve reliability, performance, and observability while collaborating with platform, DevOps, and GIS teams to deliver production solutions supporting defense/intelligence missions.

Design and implement scalable backend services, APIs, and geoprocessing workflows for ArcGIS Enterprise. Build connectors, ingestion pipelines, and containerized tooling; support cloud-native and on-prem deployments, observability, and integrations to deliver reliable geospatial backend systems for mission-critical defense and intelligence applications.

Design, implement, and optimize scalable backend systems and APIs that power customer onboarding, licensing, entitlements, and offboarding. Ensure performance, reliability, and security; collaborate across product and design; perform code reviews, testing, and documentation; and mentor or lead junior engineers.

Design, build, and support clinical-trial software with emphasis on patient safety and data integrity. Implement features, write tests, deploy to cloud environments, troubleshoot production issues, and create technical documentation in agile teams.

Build and own a framework-agnostic charting engine core and its React binding: rendering layers, real-time data plumbing, indicator math, drawing tools, performance (60fps) discipline, visual testing, architectural leadership, mentoring, and integrations across web and mobile.

Lead hands-on delivery of retail platform solutions: design, prototype, implement, and operate cloud-native microservices. Integrate AI/agent workflows to accelerate development, drive Dual-Track Agile discovery and delivery, mentor engineers, lead client technical engagements, produce design artifacts (ADRs, APIs, data models), ensure non-functional requirements, and take accountability for post-release support and operational readiness.

Design, build, and operate full‑stack features and platforms for Horizon. Work across frontend, backend, infrastructure, data, and developer tooling; formulate solutions, ship production code, improve reliability and developer productivity, and expand AI/agent-assisted workflows. Collaborate with product, customers, and cross-functional teams, review code (including agent-generated), and improve internal tooling, observability, and deployment workflows.

Senior full‑stack software engineer focused on storage systems supporting DoD programs. Work includes cluster administration, cloud storage, backup and data retention across Windows and Linux, building/maintaining CI/CD pipelines and storage services using Git/GitLab, Kubernetes, Docker/Rancher, configuration management, PKI, Python and Java. Requires cleared, highly experienced candidate.

Provide technical leadership and hands-on full-stack development for mission-focused, event-driven, cloud-native systems. Design architectures, integration patterns, scalable services/APIs, mentor teams, collaborate with stakeholders, and improve DevSecOps, CI/CD, observability, and software quality across multiple projects.

Lead design and implementation of GraphQL/semantic APIs on AWS AppSync, integrate data sources with Data Engineering, optimize serverless performance, establish governance and security, drive code quality and testing, mentor junior engineers, and document semantic API patterns.

Lead design and maintenance of InstallShield-based installers and custom actions, modernize installer infrastructure, troubleshoot Windows installation issues, contribute to C/C++/C# core components, mentor engineers, and improve packaging, deployment, and automated install testing.

Lead development of VALORANT build and developer-facing platforms. Improve iteration workflows across local development, Unreal build/cook systems, CI, release infrastructure, and tooling. Drive architecture and long-term initiatives, resolve cross-system bottlenecks, collaborate with stakeholders, mentor engineers, and participate in support rotation.