Top Senior Software Engineer Jobs

Design and implement core Web3 protocol features and secure smart contracts. Develop and deploy Solidity-based contracts, ensure scalability and performance, review code, mentor junior engineers, and collaborate across teams to integrate blockchain and DeFi solutions.

Design and implement core Web3 protocol features and secure Solidity smart contracts, ensure scalability and performance, integrate blockchain solutions, review code, and mentor junior developers.

Build operator-facing software across mission planning, data workflows, and mission analysis. Develop frontend (React/TypeScript), backend (Python), internal APIs, and database-backed systems spanning edge and cloud. Partner with autonomy, field, and integration teams to turn ambiguous operational needs into reliable, deployable product features and improve performance and usability from real deployments.

The Principal Software Engineer at Snout will define architectural direction, build features across the stack, and enhance team effectiveness, ensuring quality and performance.

As a Senior Software Engineer, you'll develop and enhance the Snout web platform, collaborate with teams, and lead technical projects while ensuring performance and reliability.

As a Senior Software Engineer, you'll lead customer implementations, build workflows, develop platform components, and provide insights from the field, all while traveling to customer sites.

Develop and maintain web and desktop applications using .NET technologies. Requires strong programming skills, experience with databases, and project management.

As a Forward-Deployed Engineer, you will design, develop, and deploy custom AI solutions, collaborating closely with clients and shaping the engineering culture.

The Senior Software Engineer develops flight software for satellites, mentors junior engineers, and collaborates with multiple teams to ensure software reliability and performance.

Lead design, develop, and maintain scalable full-stack web applications. Mentor engineers, perform code reviews, troubleshoot production incidents, optimize performance, ensure API-first design, support cloud-native deployments (Kubernetes), and participate in on-call rotations.

The Staff Frontend Software Engineer will enhance frontend reliability, optimize performance, build monitoring systems, establish testing strategies, and mentor the team on technical decisions.

The Software Development Engineer 3 will design and develop high-quality software, mentor junior team members, and collaborate across teams to improve software systems and processes.

Design high-performance C++ libraries for automated PCB design challenges, mentoring peers and shaping technical direction while collaborating with experts in various fields.

Senior Software Developers lead projects by combining front-end and back-end technologies, guiding teams, and ensuring high-quality digital solutions that meet client needs. They mentor junior engineers and engage with stakeholders to improve processes and promote best practices.

The Senior Software Developer II - Full Stack will design and develop scalable systems, leading projects while mentoring junior staff and engaging with stakeholders. The role emphasizes technical leadership, problem-solving in software development, and innovative processes in cloud and AI technologies.

The Senior Software Engineer will design, develop, and implement software solutions for law enforcement, leading projects and mentoring junior engineers in a collaborative Agile Scrum environment.

The Senior Software Engineer II will lead projects, define testing strategies, mentor engineers, and improve system reliability at Zippy.

Design, build, and maintain scalable, high-performance software systems for an AI-driven finance analytics platform. Own projects end-to-end, collaborate with product, data science, and clients, work with large datasets, contribute to architecture, and mentor junior engineers while integrating emerging technologies and ensuring maintainable, efficient code.

Lead design and development of large-scale government software systems: analyze requirements, design end-to-end solutions, implement and configure programs, troubleshoot via root-cause analysis, recommend optimizations, adapt to changing operational needs, synthesize technical data, and mentor junior engineers.

Design and build scalable AI management systems. Integrate AI APIs, deliver full-stack features, and collaborate closely with the founding team.

As a Staff Backend Engineer, you will drive technical contributions, collaborate with peers, optimize product needs, and improve system capabilities in AI software development.

Lead development and maintenance of .NET/ASP.NET reporting and web applications. Design technical specs, create POCs, participate in SDLC, develop test strategies, support production, mentor junior staff, ensure quality/security/compliance, and coordinate with infrastructure and support teams.

Design, build, and optimize scalable Java-based microservices and RESTful APIs. Ensure performance, uptime, and engineering standards through design and code reviews, testing, and collaboration with product and support teams. Contribute to domain-driven service design and API consistency.

The Staff Software Engineer will enhance AI/ML infrastructure, oversee software delivery, mentor teams, and collaborate closely with various stakeholders at Xometry.

The Staff Software Engineer will enhance Xometry's AI/ML infrastructure, driving operational excellence and innovation while collaborating closely with product and engineering teams.