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Principal Software Engineer
Lead our toughest engineering challenges and set technical direction Drive engineering excellence through standards, patterns and guardrails Shape what’s next in AI augmented engineering and secure, accelerated…
Principal Software Engineer
Optum is a global organization that delivers care, aided by technology to help millions of people live healthier lives. The work you do with our team will directly improve health outcomes by connecting people with the…
Principal Java Engineer (Java & Angular)
A 6-month contract (hybrid, Toronto) modernizing a high-volume legacy Java/Angular student-services application in higher education. The engineer assesses technical debt and security issues, profiles performance, and designs incremental Java 8 and AngularJS-to-Angular upgrade strategies, including monolith decomposition.
PRINCIPAL SOFTWARE ENGINEER II
Senior technical lead in Sanford Burnham Prebys' NCI-designated Cancer Center, architecting scalable, multi-language software for large biomedical datasets — spanning SDLC, HPC/containerization, DevOps, data pipelines, cloud, and AI-assisted development. Mentors junior staff and builds the cancer data science group's development infrastructure. On-site in San Diego.
Principal Software Engineer
Principal Software Engineer at Cognyte in Herzliya designs and builds scalable microservices for a hybrid-cloud, multi-tenant SaaS decision-intelligence platform used to detect and investigate security threats. The role leads architecture and technical initiatives end to end, using Kubernetes, GCP/AWS/Azure, Kafka, PostgreSQL, MongoDB, and Elasticsearch.
Principal Software Engineer, AWS CloudWatch
Principal engineer owning the technical vision and architecture of Amazon CloudWatch's metrics platform — its distributed query engine, tiered/long-term storage, and ingestion/compaction pipeline — built on OpenTelemetry and PromQL. Sets multi-year strategy and drives deep systems work on AWS infrastructure from the Dublin team.
Software Engineer
Full-stack-leaning backend engineer at Replikate Labs building services, APIs, and data pipelines (Python, TypeScript, SQL) behind the company's ventures. Day to day: data modeling, ETL/ELT pipelines, background jobs, tests, code review, and some frontend feature work with React-style tooling.
Senior Principal Software Engineer
Owns a business-critical, cloud-based PostgreSQL data warehouse for a telecom company in Johannesburg, including Google Cloud data ingestion, API services built with Node.js, Python, and SQL, plus platform security, reliability, monitoring, and mentoring developers in a hybrid role at Rosebank.
Principal Software Engineer: TS/Node.js on Azure (Hybrid)
Principal Software Engineer leading the design, development and deployment of cloud-native services in TypeScript/Node.js on Azure. The role shapes architecture, mentors engineers while staying hands-on with code, and works in a hybrid model focused on DevOps, testing and continuous improvement for connected mobility and digital services.
Principal Software Engineer, AI Code Review (Remote Contract, US or Canada)
Remote 3-month contract (20–40 hrs/week) for senior engineers: design rubrics and evaluation criteria for a coding AI, review and label model output, and build data generation and evaluation pipelines. Core stack: Python, TypeScript, Go, or JavaScript; open to candidates in the US (most states) or Canada.
Principal Software Engineer, Perception
Principal engineer setting the technical direction for perception (sensor fusion, localization, tracking, mapping) on autonomous maritime vehicles, turning radar/camera sensor data into reliable outputs under edge-compute and latency constraints. Hybrid role in Alameda, CA; hands-on C++/Python work, architecture leadership, and mentoring. $300k–$380k base.

Principal Software Engineer(Hybrid)
Oracle Cloud Infrastructure (OCI) delivers mission-critical applications for leading enterprises worldwide. Our cloud offers hyperscale, multi-tenant services deployed across more than 50 regions globally. OCI…

Principal Software Engineer(Hybrid)
Oracle Cloud Infrastructure (OCI) delivers mission-critical applications for leading enterprises worldwide. Our cloud offers hyperscale, multi-tenant services deployed across more than 50 regions globally. OCI…
Principal Software Engineer
Principal full-stack engineer at RGA, a global life and health reinsurer: leads technical design, development, testing, and deployment of API-based, cloud-first systems and mentors teammates. Requires 10+ years software development and 8+ years insurance/reinsurance experience with skills spanning JavaScript, Java, Go, C#, Python, Docker/Kubernetes, and Terraform.
Principal Software Engineer GCS
Principal Software Engineer at EDGE in Abu Dhabi leading the design, development, integration, and verification of UAV Ground Control Station software — mission planning, command & control, telemetry visualization, HMI/UI, and automated/HIL testing. Core stack: C/C++, real-time and embedded systems (ARM/STM32, RTOS), and RF/SATCOM/IP datalinks.
Lead/Principal Software Engineer
Lead/Principal Software Engineer (onsite in Altofts, Normanton, UK) designing, building, and operating secure cloud and data platforms for mission-critical government/defence projects, with support for advanced security clearance. Core stack: Java/JVM (Kotlin/Scala), Kafka, PostgreSQL/Redis, and cloud with DevSecOps practices.