Top Senior Software Engineer Jobs

Designs, develops, supports, and enhances complex software applications using C#, ASP.NET MVC, Web API, React, and SQL Server. Owns application delivery from requirements through production, including estimation, coding, testing, documentation, deployment, troubleshooting, and performance tuning. Provides technical leadership across Agile teams, facilitates team meetings, collaborates with stakeholders, and supports high-severity production issues.

The Senior Software Engineer will lead software development for advanced data communications and networking solutions, utilizing strong programming skills and collaboration with a research team.

The role involves designing, implementing, and testing software solutions for advanced data communications. Candidates will lead projects, mentor junior engineers, and optimize designs based on collaboration in a fast-paced environment.

The Lead Software Engineer will design, implement, and test software for advanced data communications and networking solutions, mentor junior engineers, and lead technical discussions in a fast-paced environment.

The Senior Software Engineer develops innovative software solutions focused on estimation theory and machine learning while collaborating with multidisciplinary teams.

Lead and deliver quarterly goals for a backend team; guide engineers through ambiguous problems; collaborate with product, design, and analytics; identify and resolve project and technical issues; ensure operational availability and on-call readiness; set code and design quality standards; and mentor and develop team members.

Design, develop, test, and implement web and core processing application features. Troubleshoot production issues, write and unit-test .NET and SQL Server code (including table and stored-procedure design), assist QA and deployments, estimate and track tasks, mentor engineers, and propose/refactor technical solutions to meet business requirements.

Lead and deliver secure, scalable cloud-native software solutions; write and review code; drive AI-assisted engineering adoption; evaluate vendors; promote operational stability and engineering best practices.

Lead Software Engineer who designs, builds, and maintains Python services and data/AI pipelines; writes and optimizes SQL; triages and debugs production incidents; develops LLM-powered workflows and agentic systems; implements observability (logging, metrics, traces, alerts); drives adoption of enterprise AI-assisted engineering practices and SDLC automation; and documents system behavior and support procedures.

Develop and deliver advanced defense-related software (EW, SIGINT, EA) in collaboration with systems, hardware, and test teams. Prioritize backlogs, perform design evaluations, participate in milestone reviews, support integration and testing, and ensure on-time, high-quality contract deliveries while interacting with customers.

Develop and integrate C++ software for electronic warfare, SIGINT, and related defense systems. Collaborate with systems, hardware, and test engineers, interact with customers, prioritize backlog, participate in milestone reviews, evaluate complex designs, and support automated digital delivery and verification activities.

Design, build, and maintain reliable enterprise web applications and services using C#, .NET, SQL Server, Vue.js, and some C++. Optimize transactional databases, troubleshoot cross-layer production issues, modernize legacy systems, deliver jurisdiction-specific changes, and support testing and CI/CD improvements. Collaborate with QA and product teams, conduct code reviews, mentor engineers, and deploy and operate services in Azure while meeting reliability, security, and compliance requirements.

Develops, maintains, tests, and enhances enterprise infrastructure software. Designs and manages cloud infrastructure using OpenStack and comparable platforms, analyzes system performance, supports software and system engineering, automates networks, and addresses cloud security and operations needs. The role requires strong Linux and Python skills, software development experience, technical documentation, requirements analysis, and a TS/SCI clearance with polygraph.

Integrate and operate end-to-end satellite ground systems, including ground entry point services, communications, secure data exchange, scheduling, and data routing. Manage interface control documents, coordinate with external providers, lead verification and testing, resolve complex technical issues, present recommendations, and mentor team members across concurrent programs.

Develop and support scientific software, data solutions, dashboards, workflows, and integrations for drug discovery research. Partner with scientists to translate research needs into technical requirements, lead software projects and technical workstreams, manage scientific data, support research cloud environments, and improve platform usability and reliability. The role also includes technical mentoring, architecture participation, data analysis, documentation, and operational support.

Lead and grow the 3D platform team building real-time in-home 3D design on tablets. Own architecture, performance budgets, quality, releases, and APIs. Partner with product on metrics, stay hands-on with code reviews and shipping, and ensure the platform is fast, reliable, and extensible for other teams.

Own the technical direction of Robinhood’s Developer Infrastructure organization, including Bazel monorepo builds, remote execution, CI/CD, test environments, backend and mobile platforms, and developer tooling. Lead organization-wide technical strategy, integrate AI and agentic systems into the software development lifecycle, scale infrastructure reliability, and unify multiple engineering teams around a long-term vision.

Develops and integrates prototype software for missile-defense capabilities within the C2BMC X-Lab. Responsibilities include full-cycle Java software engineering, systems-informed design, application deployment, integration, troubleshooting across Windows and Linux, build and test automation, configuration management, and automated testing. The role requires collaboration in a fast-paced environment, active Secret clearance, IAT Level II certification, on-site work, and 10% travel.

Develop and deploy software releases for BMEWS/PAVE PAWS ground-based radar systems. Design, develop, document, test, debug, integrate, and sustain application software across complex systems and networks. Assess system configurations, troubleshoot operational issues, collaborate with engineers and subject matter experts, and develop creative solutions for mission-critical radar environments supporting missile warning, defense, and space surveillance.

Build and maintain Tanium products on an agile team, designing, developing, testing, and deploying cloud-based data services. Collaborate with product management and customers, create memory-efficient data-transfer systems, develop APIs, manage databases and object storage, and use infrastructure as code, Kubernetes, and CI/CD. The role also involves automated testing, production debugging, incident resolution, and balancing rapid delivery with long-term maintainability.

Senior remote software engineer responsible for designing and building web applications and microservices using the Java stack and modern web frameworks. Client-facing role involving architecture, code reviews, Agile delivery, REST/SOAP web services, Angular/Node.js front-end work, data modeling for large databases, and ensuring quality through unit/integration/regression testing.

Build and own scalable payments infrastructure for card issuing, transaction processing, and settlement. Design reliable integrations with Stripe, banking partners, and internal platforms using .NET, C#, Azure, DDD, CQRS, and event-driven architectures. Improve system reliability, observability, performance, security, and compliance while mentoring engineers and contributing to technical direction. Apply AI-assisted development across coding, testing, debugging, and engineering workflows.

As a Software Engineer, you will develop full-stack workflows, utilize LLMs and AI for document processing, and manage high-impact features while collaborating with the team and customers.

The Software Engineer (Backend) will design and develop robust server-side technologies and APIs, focusing on quality, scalability, and data integrity for the hospitality industry.

The Software Engineer will build B2B hospitality commerce solutions, managing both frontend and backend technologies while contributing to open-source and community efforts.