Core Engineer Jobs

Lead the design and verification of packet and network architectures for space-based communication systems at CesiumAstro, focusing on router/switch architectures, protocols, and subsystem interfaces.

Alma Technologies seeks a Core Engineer to design and build scalable PHP/MongoDB backend systems and integrate AI capabilities for its cloud-based K–12 SIS.

Alma seeks an experienced backend-focused Core Engineer to drive scalable SIS development using PHP, MongoDB, and AI-enabled tooling in a collaborative, agile environment.

Blackbaud seeks a Principal Software Engineer (.NET Core) to lead design and delivery of high-performance, scalable web applications while collaborating with product and program teams.

Lead the design and delivery of robust, high-throughput integrations across cloud and on-prem systems as the Lead Engineer, Integrations for a fast-paced U.S. tech partner.

Experienced engineer needed to modernize .NET-based systems and build cross-platform, cloud-native services using .NET, Go, and Flutter while integrating multiple internal applications.

Experienced full‑stack Software Engineer to develop and maintain an Equity Management SaaS product using .NET/C#, Angular, Azure, and relational databases.

Senior Software Engineer needed in California to design and implement scalable SaaS solutions using Angular, .NET Core, REST APIs, and SQL Server while providing technical leadership and mentorship.

Lead full-stack development and cloud architecture for Eurofins TestOil, combining hands-on coding, Azure-native system design, and team leadership.

Experienced .NET engineer needed to lead architecture and delivery of scalable enterprise applications while mentoring engineers and working with cloud, containers and streaming data.

Mid-level ASP.NET Software Engineer needed to develop and improve ALIS's assisted-living SaaS product, working closely with Product, Design, QA, and engineering in a hybrid Chicagoland environment.

Senior Full Stack Engineer on the Growth team to design, ship, and scale rapid experiments and infrastructure that drive new guest acquisition and conversion for Peerspace.

Lead the design and delivery of HIPAA-ready, cloud-native .NET services on AWS for Computrition's healthcare platform while mentoring engineers and raising engineering standards.

Senior Software Engineer needed to build and operate core platform systems in Rust for a US-based AI platform, working remotely to enable scalable, production-grade AI infrastructure.

Hybrid .NET Full Stack Engineer role at Manulife/John Hancock to develop React front ends and .NET 8 backends for secure, scalable enterprise applications.

Experienced Backend Engineer (.NET) wanted to develop scalable ASP.NET Core APIs and backend services for a collaborative, remote-focused engineering team.

Lead architecture and full-stack engineering at WISEcode as a Principal Engineer, shaping scalable systems, mentoring senior engineers, and integrating AI into product workflows.

Senior Software Engineer to lead backend .NET Core development and mentor engineers at GOVX, a growing ecommerce platform serving military and public-service communities.

Lead architecture and AI integration for enterprise-grade, large-scale systems as a Senior Staff Software Engineer at a fast-growing, remote-first company.

Livefront is hiring a backend-focused Software Engineer skilled in C#/.NET to build scalable APIs and backend services for high-impact client products, either remotely across the U.S. or from Minneapolis.

Experienced full-stack Software Engineer wanted to architect and implement scalable Python/Django backend systems and secure APIs for a US-based remote engineering team.

Experienced full-stack engineer needed to build and maintain enterprise web and data applications while mentoring teams and ensuring high-quality, secure delivery for MUFG's Data Management Foundations group.

A hands-on 10-week summer internship at Nasdaq building production-ready code and cloud-based microservices for the Capital Access Platform while learning from mentors and senior engineers.

Allied Solutions is hiring a Senior Software Engineer to lead development of scalable .NET and JavaScript applications and mentor team members on a remote Texas-based team.

McGraw Hill is hiring a Senior Software Engineer to design and deliver high-throughput .NET Core web applications and APIs that power SIMnet's global learning platform.

Experienced software engineer needed to lead and deliver complex SaaS features at RecordPoint, shaping architecture and mentoring teams in a fast-growing, innovation-driven company.

At LinkedIn, a Senior Fullstack iOS Engineer will design and deliver scalable, accessible iOS features and full-stack integrations for Learning and Talent products in a hybrid San Francisco role.

A technical, results-driven Web Experience Engineer is needed to build scalable React/Next.js components, optimize site performance and SEO, and support marketing-led feature launches on a fast-growing SaaS marketing site.

Lead and mentor a remote engineering team building Angular and ASP.NET Core applications on AWS while driving architecture, best practices, and end-to-end delivery.