Software Engineer - Platform Jobs

Join Microsoft as a Senior Software Engineer in Redmond, WA, to shape the future of OneDrive and SharePoint. Design scalable systems for cloud migration, enhance core performance, and ensure zero customer impact. Requires a BS in CS or equivalent with 4+ years in C++, C#, Java, or Python. Drive b...

Principal Software Engineer at Microsoft Security in Redmond, WA. Architect the next-generation Conditional Access engine processing millions of policy evaluations per second. Requires deep expertise in distributed systems, C#/.NET, identity protocols (OAuth2/OIDC), and Zero Trust principles. Dri...

Join Kensho, S&P Global’s AI innovation hub, as a Software Engineer II in Cambridge, MA. You’ll design and build SaaS backends and APIs, turning complex business needs into scalable solutions. We seek 2+ years of experience in full-cycle development, strong communication skills, and proficiency i...

Join Microsoft Security as a Senior Software Engineer in Redmond, WA. Design and ship core security capabilities with C, C++, C#, Java, JavaScript, or Python. Drive least-privilege and data-protection solutions in high-throughput, multi-tenant environments. Requires a Bachelor’s in CS + 4 years’ ...

Seeking an experienced **Software Engineer 1** in **Central Maryland** to develop complex software systems, including analytics and real-time applications. Requires 7+ years of SWE experience, a Bachelor’s in CS, and expertise in **Python**, **GIT**, and basic **RF**. Desired skills include **CI/...

Seeking a **Software Engineer 1** in **Central Maryland** to develop and enhance complex software systems, including analytics and large data sets. Requires 7+ years SWE experience, a Bachelor's in CS, and an active **Security Clearance with Polygraph**. Key skills include **Java, C++, Python (Ro...

Lead Software Engineer (VP) sought for Citi’s Margin Technology team in London. Drive innovation in global finance by building scalable, automated platforms using Java, Python, or React. Requires expertise in microservices, RESTful APIs, and cloud technologies like AWS. Enjoy hybrid work, 27 days...

Principal Software Engineer sought for Citi’s Margin Technology team in London. Design and build high-scale distributed systems using Java, Python, or React, with AWS, Kafka, and Kubernetes. Drive innovation in global finance, shaping automated platforms with a focus on clean code and TDD. Benefi...

Senior Software Engineer - Margin Technology at Citi in Belfast. Build high-impact financial systems using Java, React, and Python, with RESTful APIs and TDD. Join a global team solving complex problems at massive scale. Enjoy 27 days leave, bonus, private medical, and hybrid work.

Principal Software Engineer – Edge AI role in Herzliya, Israel. Lead architecture and system design for AI on managed hardware, optimizing for connected/disconnected operations. Requires 10+ years of software engineering, K8S expertise, and deep AI stack knowledge. Drive high-impact technical out...

Principal Software Engineer role in Tokyo, Japan, leading architecture for Microsoft’s Mico AI experience. Drive full-stack development across iOS, Android, and web, owning 3D rendering, LLM orchestration, and adaptive personalization. Requires 8+ years in C++, C#, or Python, with AI expertise an...

Join Citi’s Futures Technology team in Mississauga as a Java Software Engineer. You’ll design low-latency, high-throughput microservices for post-trade data processing, leveraging Java, Kafka, and cloud platforms. Ideal for experts with 5+ years in distributed systems, multi-threading, and CI/CD....

Join Microsoft’s Core AI team in Redmond as a Software Development Engineer to build Azure AI PaaS solutions powering products like Office and Xbox. You’ll design, implement, and scale services for Azure AI Search, requiring a Bachelor’s in CS and 3+ years coding in C++, C#, or Python. Collaborat...

Senior Software Engineer sought by HSBC in Krakow to drive Collateral Technology’s multi-year transformation. You will design scalable microservices, lead code reviews, and ship high-quality Java 17/21 solutions using Spring Boot and REST APIs. Requires 10+ years of experience, Agile/DevSecOps ex...

Senior Software Engineer sought by HSBC CIB to join the Global FX eRisk team in Poland. You will build and enhance low-latency forward pricing services, partnering directly with Quant Traders. Requires expert Java server-side skills, deep knowledge of concurrency, and experience with global distr...

Meta seeks a distinguished Software Engineer to lead the technical direction of its MySQL infrastructure, including custom MyRocks and MyRAFT layers. You will architect database systems for billions of daily interactions, solve complex performance challenges, and define a multi-year strategy to s...

Join Microsoft’s Azure Data team in Vancouver as a Senior Fullstack Software Engineer. Build world-class cloud services and responsive UIs using TypeScript, Angular, and C#. Drive innovation on Microsoft Fabric and Azure SQL, ensuring reliability and performance at scale. Enjoy cutting-edge AI da...

Join Microsoft Research as a Senior Research Software Engineer on the Agentic Experiences team in Redmond. Drive AI-native development using Python, Rust, or C# to build scalable, innovative solutions. Collaborate across labs to transform prototypes into reliable products. Ideal for experienced e...

Meta seeks a distinguished Software Engineer, AI Specialist for Monetization in Sunnyvale, CA. This technical leadership role involves architecting large-scale AI systems, including foundation models and ranking infrastructure, serving billions of users. You will solve complex AI engineering chal...

Senior Frontend Software Engineer sought by CVS Health to transform healthcare technology in Galway, Ireland. You will build a connected health hub using React, TypeScript, and modern tools like Vite, Nx, and Tailwind. This role requires 6+ years of experience, CI/CD expertise, and mentoring juni...