Software Senior Engineer Jobs

Senior Software Engineer Staff sought by Lockheed Martin in Glen Burnie, MD to lead cyber security software development. Requires 14+ years SWE experience, a Bachelor’s in CS, and an active security clearance with polygraph. Design complex algorithms, integrate systems, and mentor teams. Enjoy wo...

Medius seeks a (Senior) Software Engineer to join our Tunis team, driving Supplier Management capabilities. You will lead complex initiatives using .NET/C# and React, ensuring scalable, high-quality solutions. This role demands 5+ years of backend/full-stack experience, strong architecture skills...

Senior Software Engineer sought for Brainlab’s R&D team in Munich, Germany. You will develop ExacTrac Dynamic, a high-precision radiotherapy positioning system using C++ and full-stack skills. Join an agile, international team to impact cancer treatment globally. Benefit from 30 vacation days, a ...

Join Citi as a VP Full-Stack Senior Software Engineer to build 'Citi Assist', a GenAI assistant for global employees. You’ll own end-to-end features using Python, TypeScript, and React, working with data pipelines and cloud infrastructure (OpenShift/Kubernetes). Based in London, this role offers ...

Amentum seeks a Senior Software Engineer to support the Space Force Range Contract in Melbourne, FL. You will design, develop, and test complex software for new and existing systems. Requires a STEM Bachelor’s degree, 8+ years of experience, and proficiency in Python, JavaScript, Windows, and Lin...

Senior Software Engineer – Firefox Monitor. Build cloud-native Node.js/TypeScript systems at the intersection of security and privacy. Lead backend development, own GCP/AWS infrastructure, and optimize PostgreSQL at scale. Join Mozilla to protect millions from data breaches with top benefits and ...

Senior Software Engineer sought for Pune-based role developing cloud & AI solutions for infrastructure digital twins. Requires 8+ years experience with .NET, React, and 3-4 years in AI/ML, including Generative AI & LLMs. Key skills: Python, LangChain, vector databases, and full-stack ML deploymen...

Senior Software Engineer sought for full-stack development in Warrenton, VA or Augusta, GA. Must have strong Java, JavaScript/TypeScript, and an active TS/SCI with polygraph. Collaborate on mission-critical systems using Python, Angular, React, and ElasticSearch. Join a supportive team offering d...

Join Microsoft’s AI Frameworks team in Mountain View as a Senior Software Engineer specializing in System Optimization. You’ll optimize inference performance for OpenAI and LLM models, using C++, Python, and co-designing HW/SW interfaces at cloud scale. Requires a BS in CS, 4+ years of coding exp...

Senior Software Engineer sought for an agile team in Iași, Romania. Drive architectural decisions and own complex technical initiatives using Java, AWS (ECS, Fargate, Lambda), and Terraform. Lead engineering excellence, mentor peers, and shape the technical roadmap. Enjoy a flexible four-day work...

Join Microsoft’s Azure Data engineering team as a Senior Software Engineer. Build and enhance Visual Studio Code extensions and AI-assisted developer tools for Azure SQL and SQL Server. Requires 4+ years of coding in C#, TypeScript, or Python, plus a Bachelor's in CS. Drive innovation in data pla...

Join Microsoft’s Azure Data team in Hyderabad as a Senior Software Engineer to build the data platform for the AI era. Develop core services, APIs, and SDKs using C, C++, C#, Java, or Python. Requires a Bachelor’s in CS and 5+ years of engineering experience. Drive innovation on products like Mic...

Senior Principal Software Engineer — Layer 7 Security role in Santa Clara, CA. Lead architecture and development of next-gen, high-performance distributed security systems. Requires 12+ years of experience, expert-level C and Go, deep networking and TCP/IP expertise. Drive innovation in mission-c...

Senior Lead Full Stack Software Engineer sought by Capital One to drive cloud-native transformation in Houston, McLean, or Riverwoods. Lead diverse tech projects, mentor engineers, and build robust solutions using JavaScript, Java, Python, or Go. Requires 6+ years’ software engineering experience...

Join Microsoft Clarity as a Senior Full Stack Engineer to build a high-performance user behavior analytics platform used by millions. You’ll own data accuracy and efficiency, develop AI-forward features, and design scalable distributed services on Azure. Based in Redmond, this role requires 4+ ye...

Senior Software Engineer (Kotlin) sought by hyperexponential, a high-growth AI startup backed by a16z. Build scalable, cloud-native data systems on AWS using Terraform and Kotlin. You will design distributed analytics infrastructure and deliver customer-facing features for a $7 trillion insurance...

Join the Wikimedia Foundation as a Senior Software Engineer on the MediaWiki Platform team. You will enhance the core open-source platform powering Wikipedia, focusing on performance, scalability, and reliability. We seek backend engineering expertise, strong system design skills, and experience ...

Senior Software Development Engineer sought by CVS Health Digital to drive backend innovation using Java, Spring Boot, and microservices. You will design complex systems, integrate cloud-native services on GCP, and streamline CI/CD pipelines. This hybrid role in Buffalo Grove or Richardson offers...

Senior Software Engineer (AVP) sought for Citi’s Margin Technology team in London. You will build high-impact financial systems using Java, React, and Python, with expertise in RESTful APIs, Spring, and TDD. Ideal candidates have investment banking experience and knowledge of AWS, Kafka, or Kuber...

Senior Software Engineer (React) sought to build intuitive, high-performance UIs for cloud-based industrial AI solutions. You will lead technical design, develop complex data visualizations, and define front-end best practices. Requires 7+ years experience, expert TypeScript, and deep React exper...