Software Senior Engineer Jobs

Join Citi's Fixed Income Technology team in Mississauga as a Senior Python Engineer. Develop high-performance applications for critical trading and market-making systems. Requires 3-5 years of Python, SQL, and strong problem-solving skills. Contribute to innovative, data-driven solutions in a glo...

Join BlackLine in Bengaluru as a Senior SDET. Lead test automation for complex SaaS web apps and APIs using Playwright & RestSharp. Drive quality in CI/CD pipelines and mentor teams in a culture of growth and innovation.

Join our team in Sommerville, MA, as a Senior Software Engineer. This long-term contract role focuses on full-stack development for customer-facing apps using React, TypeScript, and Ruby on Rails. You will innovate within a micro front-end architecture while enjoying comprehensive benefits.

Join Microsoft's AI Frameworks team as a Senior Software Engineer in Performance Tooling. Optimize the inference performance of state-of-the-art LLMs like OpenAI on Azure. You will profile, debug, and enhance AI workloads across the software stack using C++/Python. This role in Redmond offers a c...

Join Amazon's AWS team as a Senior Software Engineer in Bellevue. Build trend-setting Agentic AI services on AWS Bedrock AgentCore, solving complex engineering challenges. Lead the design of scalable, fault-tolerant systems with significant business impact. This role requires 5+ years of software...

Join our Security Product team as a Senior Software Engineer for Infrastructure Reliability in Bangalore. You will investigate outages, solve complex problems in distributed systems (RabbitMQ, Kubernetes, AWS/GCP/Azure), and drive root-cause fixes. We seek an expert in Go with 7+ years' experienc...

Join the Azure Compute team as a Senior Software Engineer, ensuring 99.99%+ SLA for millions of VMs. Design and architect critical availability services using AI/ML for predictive health monitoring. Requires 4+ years of coding experience in C/C++/C#/Python and a Bachelor's in Computer Science. Th...

Join our Philadelphia team as a Senior Backend Engineer. Design and build scalable data pipelines and services in Python 3.10+ with FastAPI and AWS. Leverage AI coding agents daily while ensuring robust data integrity and system architecture. Enjoy competitive compensation, comprehensive benefits...

Join Microsoft's Business & Industry Copilots group in Hyderabad as a Senior Software Engineer. Leverage your 7+ years with C++, C#, and cloud/AI technologies to build the Dynamics 365 suite. Drive innovation in a collaborative environment, focusing on big data, ML, and security. Shape the future...

Join Microsoft Security in Redmond as a Senior Software Engineer in Compromise & Fraud Prevention. Design and develop large-scale distributed services to detect and block fraudulent activities using languages like C# or Python. Integrate machine learning models for real-time protection in a role ...

Join Microsoft in Vancouver as a Senior Software Engineer. Work on impactful Azure projects, directly shaping core observability services nearing GA. This technical role blends hands-on coding in C#/Java/Python with strategic customer engagement and on-call duties. Drive production reliability an...

Join Microsoft's Cloud & AI organization as a Senior Network Engineer in Redmond. Design and secure Azure network infrastructure, leveraging automation with Python and Bicep. This role requires deep cloud networking expertise and a passion for building life-changing, secure innovations.

Join our Barcelona team as a Senior Software Engineer on the core C&E platform. Design and own scalable backend systems, data pipelines, and APIs that power customer segmentation and personalization. We seek an engineer experienced in SaaS architecture and high-throughput systems. Enjoy a hybrid ...

Join Microsoft's Cloud & AI Security team in Redmond as a Senior Software Engineer. Design and scale secure cloud services using C++, C#, Python, or Java. Drive technical deliverables and leverage telemetry for live-site engineering in a customer-focused role.

Join Microsoft AI Monetization as a Senior Software Engineer in Redmond. Design and build scalable, privacy-preserving backend systems and data pipelines using C# or Java. Integrate secure data collaboration platforms like Azure Confidential Compute to power next-generation advertising measuremen...

Join Microsoft's Azure Data team in Vancouver as a Senior Software Engineer. Develop industry-leading products like Power BI, Fabric, and Cosmos DB to build the data platform for the AI era. Utilize your expertise in C#, Java, Python, or similar to architect scalable, full-stack solutions. This r...

Join Firebolt's Munich R&D team as a Senior Software Engineer in Query Processing. Design and build our high-performance, distributed C++20 query engine and storage layer. You will work on cutting-edge projects like vectorized execution, open table formats, and AI integration. Requires 5+ years o...

Join our team as a Senior Software Engineer to build a leading cloud-based research platform. You will design and maintain features using PHP, Laravel, and Vue.js in a remote-first model. We offer competitive compensation, flexible hours, and offices in Rzeszów.

Join our Warsaw team as a Senior Java Engineer. Design and build scalable, API-driven backend services using Spring Boot. You will own complex, CRUD-based systems end-to-end in a production environment. We seek 5-7 years of Java expertise with Docker/Kubernetes exposure.

Join Mastercard's Mainframe Services team in Ballerup as a Senior Software Engineer. You will design and modernize critical COBOL, JCL, and DB2 applications on z/OS, ensuring global transaction reliability. This role requires 5+ years of mainframe experience and offers work on cutting-edge modern...