Top Senior Software Engineer Jobs

The Senior Software Engineer, Protocol will architect and develop core protocol components for a blockchain while optimizing distributed systems. Responsibilities include enhancing performance, solving distributed systems problems, and contributing to engineering standards in collaboration with research and product teams.

As a Senior Software Developer, you'll lead software design and development, mentor juniors, ensure code quality, and collaborate with cross-functional teams on solutions while adhering to compliance standards.

The Senior Software Engineer will design, develop, and maintain software applications using Python, C#, C++, and Linux, while collaborating with cross-functional teams to optimize performance and user experience.

Design and develop software for ROVs, AUVs, and subsea tooling on Windows and Linux. Handle requirements, design, implementation, and testing; maintain revision control; prepare technical procedures; mentor junior engineers; serve as technical lead on projects; collaborate across divisions and communicate with technical and nontechnical stakeholders. Up to 25% onshore travel with potential occasional offshore travel.

Develop and maintain scalable software solutions, mentor developers, and integrate AI tools. Collaborate on technical solutions aligned with business goals.

Design, implement, test, and integrate software across the full lifecycle for surveillance systems. Lead debugging, supplier software integration, metrics reporting, and follow software best practices in an Agile/Linux environment. Interface with program management, suppliers, and government customers; support formal system and weapon evaluations.

The Senior Software Engineer will own the React Native mobile codebase, collaborate with cross-functional teams, and ensure high-quality delivery of customer-facing applications.

Technical leader driving architecture, design, and delivery of scalable backend and full-stack systems. Build and maintain serverless applications with React, TypeScript, Postgres, and AWS. Collaborate cross-functionally, set engineering best practices, mentor engineers, conduct reviews, and troubleshoot production issues to support growth and engagement initiatives.

As a Senior Software Engineer, you will develop key product features for millions of users, collaborate with teams, and mentor others.

As a Senior Software Engineer, you'll lead the development of motion planning services, mentor other engineers, and drive impactful technical projects in robotics.

Design and develop scalable features for a multi-tenant SaaS platform, including end-to-end ownership from design to production, collaborating across teams, and implementing monitoring solutions.

The Senior Software Engineer will architect and deliver backend systems, optimize API performance, and mentor teammates while tackling various distributed system challenges.

Lead development and mentor junior engineers to design, build, and maintain scalable data and integration solutions. Implement Python/SQL-based services, REST/JSON APIs, Azure cloud deployments, CI/CD and DevOps practices, Power BI reporting, and enterprise ETL/data orchestration to support reliable production environments and business intelligence.

As a Senior Data Engineer, you will design and develop AI-powered data solutions, investigate tools, and collaborate with engineering to enhance Sleuth's platform.

Design, develop, test, and support Salesforce platform solutions; lead technical design sessions; mentor junior developers; implement custom Apex/Lightning solutions; ensure security, performance, and scalable integrations; develop automated tests and CI/CD pipelines; collaborate with product owners and participate in Agile delivery.

Lead development of advertisement technologies, design scalable solutions, collaborate across teams, conduct code reviews, and mentor junior engineers to enhance American Express' digital advertising capabilities.

Lead development of AI-powered full-stack applications, mentor engineers, define technical direction, build performant front-end and scalable backend services, integrate LLMs/RAG, and establish engineering best practices for production AI workflows.

The Staff Software Engineer leads design and modernization of payment systems, mentors engineers, drives architectural decisions, and ensures high-quality software delivery.

Lead the design and development of an expense management platform, mentor engineering teams, and collaborate with stakeholders on product requirements.

The Senior Software Engineer will lead the design and development of an expense management platform, mentoring teams, integrating technologies, and ensuring project milestones are met efficiently.

Provide technical ownership and leadership for Amex's third-party travel platforms, focusing on integration architecture, vendor engineering, and long-term outcomes.

The role involves mentoring junior engineers, directing software design and development, writing automated unit tests, and collaborating with teams to enhance software quality and efficiency.

Design and develop web components, drive innovation in digital channels, analyze and modify software, mentor teams, and ensure code quality.

The role involves building and scaling Vorion, integrating systems like Teamcenter and Odoo, developing applications using React and TypeScript, and managing cloud infrastructures using Terraform and Kubernetes.

Lead design, build, and operate backend agentic systems that analyze large-scale time-series telemetry. Own product from customer discovery through shipping. Implement APIs, distributed job execution on Kubernetes, sandboxed code execution, context/memory management, evaluation suites, and observability while integrating frontier models and scaling agent workloads.