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Senior Software Engineer Jobs

3157 Job Offers

Senior Software Engineer Staff - Clearance Required
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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...
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United States , Glen Burnie
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Not provided
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TieTalent
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(Senior) Software Engineer
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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...
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Tunisia , Tunis
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Medius
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Senior Software Engineer – Radiotherapy Positioning & Monitoring
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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 ...
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Germany , Munich
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Not provided
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Brainlab
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Full-Stack Senior Software Engineer, GenAI Data Products and Platform (VP)
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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 ...
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United Kingdom , London
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Citi
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Software Engineer Senior
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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...
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United States , Melbourne
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135000.00 - 150000.00 USD / Year
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Amentum
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Senior Software Engineer
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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 ...
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United States; Canada
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Mozilla
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Senior Digital Twin Software Engineer
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Senior Digital Twin Software Engineer sought to design and build core services, SDKs, and high-performance 3D runtime components for immersive digital twins. Requires 5+ years full-stack experience with Java, C#, C++, Python, or TypeScript/React, plus API design and systems integration skills. Ba...
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United States , Austin; Mountain View; Warren
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General Motors
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UI UX Senior Software Engineer
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Senior UI/UX Software Engineer needed to lead full-stack development for U.S. Army and USMC defense systems at Aberdeen Proving Ground. Requires expertise in Java, JavaScript, React, Angular, and Agile methodologies. Must have experience with DoD mission-critical platforms, CI/CD pipelines, and c...
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United States , Aberdeen Proving Ground
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VES
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Senior Software Engineer
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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...
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India , Pune
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Bentley Systems
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Senior Software Engineer
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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...
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United States , Warrenton, VA; Augusta, GA
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Altamira Technologies
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Senior Software Engineer
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Senior Software Engineer with Top Secret Clearance needed in Warrenton, VA. You’ll deliver full-stack solutions using Java, JavaScript, and TypeScript, while adapting to Python, Angular, or React. Join a collaborative team that values independent problem-solving and continuous integration. Must h...
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United States , Warrenton
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Altamira Technologies
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Senior Software Engineer - System Optimization
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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...
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United States , Mountain View
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119800.00 - 234700.00 USD / Year
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Microsoft Corporation
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Senior Software Engineer
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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...
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Romania , Iași
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Awin Global
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Senior Software Engineer
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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...
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United States , Multiple Locations
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119800.00 - 234700.00 USD / Year
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Microsoft Corporation
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Senior Software Engineer
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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...
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India , Hyderabad
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Microsoft Corporation
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Senior Principal Software Engineer — Layer 7 Security
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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...
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United States , Santa Clara
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147000.00 - 237500.00 USD / Year
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Palo Alto Networks
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Senior Lead Software Engineer (Full Stack)
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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...
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United States , Houston; McLean; Riverwoods
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209000.00 - 262400.00 USD / Year
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Capital One
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Senior Software Engineer - Full Stack
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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...
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United States , Redmond
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119800.00 - 234700.00 USD / Year
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Microsoft Corporation
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Senior Software Engineer (Kotlin)
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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...
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United Kingdom , London
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hyperexponential
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Senior Software Engineer
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Senior Software Engineer sought to design and scale validation platforms for system-level confidence. This hands-on role requires 5+ years building distributed systems, Python/JavaScript expertise, and AWS experience. You will develop cloud-native services, APIs, and automation tooling for CI-int...
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India
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SimpliSafe
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About the Senior Software Engineer role

Senior Software Engineer jobs represent a pivotal career stage where technical expertise converges with leadership and strategic influence. These professionals are the cornerstone of software development teams, responsible for designing, building, and maintaining complex, scalable systems that power modern businesses. Moving beyond foundational coding tasks, senior engineers architect solutions, make critical technology decisions, and mentor others, ensuring both product excellence and team growth.

Typically, individuals in these roles undertake a broad spectrum of responsibilities. They are deeply involved in the full software development lifecycle, from requirement analysis and system design to implementation, testing, deployment, and ongoing optimization. A core duty is architectural design, where they choose appropriate technologies, design patterns, and frameworks to create robust, secure, and scalable applications. This often involves building backend services, APIs (RESTful or GraphQL), and dynamic frontend interfaces. They ensure code quality through rigorous practices like code reviews, writing comprehensive tests (unit, integration), and establishing CI/CD pipelines. Furthermore, senior software engineers frequently collaborate with cross-functional partners, including product managers, designers, and DevOps specialists, to translate business needs into technical specifications and seamless user experiences.

The skill set for these jobs is both deep and wide. Proficiency in one or more core programming languages (such as Python, Java, JavaScript/TypeScript, C#, or Go) is essential, alongside expertise in relevant frameworks and libraries for both frontend (e.g., React, Angular) and backend development. A strong grasp of data structures, algorithms, and system design principles is mandatory. Experience with cloud platforms (AWS, Azure, GCP) and their services for computing, storage, and networking is increasingly standard. Knowledge of database technologies, encompassing both SQL (PostgreSQL, MySQL) and NoSQL (MongoDB, DynamoDB) systems, is crucial. Beyond technical acumen, senior roles demand excellent problem-solving abilities to debug complex issues and optimize performance. Soft skills are equally important; effective communication to articulate technical concepts to non-technical stakeholders, project leadership, and the ability to mentor junior developers are key differentiators.

Common requirements for Senior Software Engineer jobs usually include a bachelor’s degree in computer science or a related field, although substantial equivalent experience is often acceptable. Most positions seek candidates with 5+ years of professional software development experience, demonstrating a proven track record of shipping and maintaining production systems. Employers look for individuals who exhibit end-to-end ownership of projects, a passion for continuous learning in a rapidly evolving field, and a strategic mindset focused on long-term maintainability and business impact. For those seeking to lead through technology and drive meaningful innovation, senior software engineer jobs offer a challenging and rewarding career path at the heart of the digital world.