Software Senior Engineer Jobs (On-site work)

Senior Software Engineer sought by Teradyne, a global leader in test and automation. You will design and extend software for large test systems using C# .NET and WPF in North Reading, MA. Requires 10+ years of experience with distributed, multi-threaded applications and object-oriented design. En...

Lead the future of search at DoorDash as a Senior Staff Software Engineer. Architect next-gen indexing, retrieval, and ML ranking systems at massive scale (over a billion documents). Drive multi-year roadmaps across distributed systems and search infrastructure in San Francisco, Sunnyvale, or Sea...

Senior Software Engineer needed to build and scale AI-powered financial infrastructure for top CPG brands like OLIPOP and Dr. Squatch. You’ll design backend services, APIs, and data pipelines handling $20B+ in revenue. Requires 4+ years of backend engineering, systems design, and product instinct...

Join Uber’s Privacy & Security Engineering team as a Senior Software Engineer in San Francisco or Sunnyvale, CA. You’ll design scalable backend platforms using Go, Java, or Python, solving real-world privacy challenges at global scale. Collaborate with scientists and product teams to build fault-...

Senior Software Engineer (C++, Qt) sought by Sopra Steria Polska for an aerospace client in Katowice. You will develop and enhance an aviation app, requiring 5+ years’ experience, strong C++, Qt, and QML skills. Benefits include Luxmed, educational platforms, and workation. EU citizenship and flu...

Senior Software Engineer Staff sought by Lockheed Martin in Capitol Heights to lead cybersecurity 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 while prot...

Senior Software Engineer Staff sought by Lockheed Martin in Alexandria, VA to lead cybersecurity software development. Requires 14+ years SWE experience, a Bachelor’s in CS, and an active security clearance with polygraph. You will design algorithms, integrate systems, and analyze user requiremen...

Senior Software Engineer Staff sought by Lockheed Martin in Arlington, VA to lead cyber security software development. Requires 14+ years SWE experience, a Bachelor's in CS, and an active security clearance with polygraph. You will design, code, and integrate complex systems, analyze user require...

Senior Software Engineer sought to own the technical evolution of Impbus, Microsoft Ads’ mission-critical, high-throughput RTB service. This role demands deep expertise in low-latency distributed systems and C++ to drive platform modernization, scalability, and operational excellence. Based in Ca...

Senior Software Engineer, Android Test Engineering at Reddit in San Francisco. Design scalable test frameworks and automated tools using Espresso, UIAutomator, and Kotlin. Drive quality across mobile releases with CI/CD and end-to-end testing. Enjoy comprehensive benefits, equity, and flexible PTO.

Join Capital One as a Senior Full Stack Software Engineer in Mexico City. Drive major transformation using JavaScript, Java, Python, AWS, and Kubernetes in an Agile environment. Collaborate with product managers to build cloud-based solutions empowering millions. Requires Bachelor’s degree, advan...

Senior Mission Planning Test Engineer needed at Eglin AFB, FL to support USAF fighter weapons testing. Requires active Secret clearance, fighter aircrew experience (Pilot/WSO on F-15, F-16, F/A-18, F-35, or F-22), and expertise in military mission planning systems. You will lead software test pro...

Join Capital One as a Senior Full Stack Software Engineer in Mexico City. Leverage JavaScript, Java, Python, and AWS to build cloud-based solutions empowering millions. Collaborate in Agile teams, mentor peers, and pioneer financial technology transformation. Enjoy benefits for health, wealth, an...

Senior Software Engineer needed to support U.S. Army programs with DCS. This role requires 10-12 years of DOD software engineering experience, U.S. Citizenship, and expertise in building high-quality, innovative software per DOD standards. You will design, develop, and test applications for milit...

Join Mastercard as a Senior Software Engineer in O'Fallon, MO, and drive performance improvements for global transaction switching. You will leverage deep C/C++ expertise in Linux to test, debug, and optimize authorization response times. This role involves automation scripting (Python, Perl, She...

Senior Software Engineer - Embedded role at Uber's AV Labs in Sunnyvale, CA. You will develop core firmware and device drivers for autonomous vehicle sensors (LiDAR, radar, cameras) and drive in-house hardware bring-up for next-gen L4 data collection platforms. Requires 5+ years of C/C++ experien...

Senior Software Engineer (.NET, Microservices) – Sydney. Build secure, scalable backend systems for a cloud-native fintech empowering small businesses. Leverage Azure, event-driven architecture, and AI-assisted tools to deliver high-impact features. Enjoy flexible work, learning allowances, welln...

Senior Software Engineer (MERN Stack) sought by Devsinc in Islamabad, Pakistan. Lead full-stack development with MongoDB, Express.js, React.js, and Node.js. Requires 5+ years of MERN experience, expertise in React hooks, state management, Node.js async programming, and RESTful APIs. Enjoy benefit...

Senior Software Engineer (AI/ML) sought to design and scale intelligent systems in Islamabad, Pakistan. You will build production-grade AI agents and ML pipelines using Python, PyTorch, and LangChain. Requires 3+ years of experience with LLMs, vector databases, and cloud platforms. Enjoy benefits...

Senior Software Engineer needed to design and build LoadUp’s next-gen cloud-native platform using Java, Spring Boot, and microservices. You’ll leverage AI tools like Copilot and Cursor, champion TDD with JUnit, and deploy on Kubernetes (EKS) in AWS. Located in Alpharetta, GA, this role offers top...