Top Senior Software Engineer Jobs

Leads software systems engineering for SATCOM mission planning supporting military NC3 networks. Responsibilities include requirements, architecture, API and backend development, user interface implementation, integration, testing, deployment, code reviews, security, performance improvements, mentoring, and Agile DevSecOps delivery. The role requires onsite work in Colorado Springs, active U.S. Secret clearance, U.S. Person status, and up to 10% travel.

Develop, customize, and integrate Guidewire PolicyCenter, BillingCenter, ClaimCenter, and Guidewire Cloud solutions. Responsibilities include Gosu development, data model configuration, system integrations, cloud upgrades, SQL-based troubleshooting, and analytical problem-solving within the property and casualty insurance domain.

Design and optimize high-performance CUDA kernels and GPU workloads for AI, HPC, and data-processing applications. Profile GPU code, tune memory and execution efficiency, develop ML primitives and custom operators, optimize distributed multi-GPU training, and contribute to compiler-level improvements. Collaborate with ML and engineering teams, create benchmarks and regression tests, evaluate new GPU architectures, document tuning practices, and mentor engineers.

Developers and partners integrate with Walmart Marketplace APIs. Responsibilities include troubleshooting integrations, providing architectural guidance, building diagnostics and monitoring tools, optimizing API usage, contributing to SDKs and documentation, and collaborating with engineering, product, and business teams to improve platform capabilities and developer experience.

Lead the design, development, testing, and delivery of scalable backend software and distributed systems. Translate business requirements into technical designs, write secure and maintainable code, troubleshoot performance issues, support high availability, and collaborate with cross-functional stakeholders. The role emphasizes software architecture, continuous integration and delivery, testing, defect resolution, telemetry, and operational improvement for Walmart’s eCommerce and supply chain platforms.

Design, code, test, debug, and document complex software projects and enterprise technology solutions. Lead companywide engineering initiatives, develop technical standards and best practices, resolve complex technical issues, and collaborate with technical experts and external groups. Mentor associates, guide projects, and support strategic technology objectives while applying software development, database, integration, testing, deployment, monitoring, and security expertise.

Design, develop, test, and maintain scalable Java backend applications and RESTful microservices using Spring Boot/MVC and Hibernate/JPA. Troubleshoot production issues, perform root-cause analysis, implement unit tests, integrate with Angular frontends, maintain API documentation, and participate in Agile delivery activities while ensuring coding standards and security compliance.

Develop and lead software engineering, architecture, integration, testing, modernization, and sustainment efforts for mission-critical Department of War planning and readiness applications. Analyze legacy systems, develop prototypes, document architectures, assess technical risks, support acquisition decisions, and mentor development teams. The role requires collaboration with government, military, program office, and contractor stakeholders, plus travel of up to 25%.

Design, build, and maintain customer-facing digital commerce services (checkout, billing, subscriptions, catalog, cart, orders). Use AI-assisted workflows for coding, testing, review, and documentation. Develop scalable, low-latency APIs and services, improve observability, automation, and engineering practices, and partner with cross-functional teams to deliver reliable solutions.

Support development, configuration, and execution of Software-in-the-Loop (SIL) test environments for ADAS features. Create scenarios, run initial tests, debug issues, automate test cases and result analysis, document SIL usage, and mentor junior engineers to improve virtualization testing, reduce physical testing dependence, and enable early validation of ADAS capabilities.

Lead and mentor a team to develop enterprise-scale applications using Java and React, ensuring best practices and modern technology adoption.

Design, build, and maintain scalable cloud-based software for geospatial data extraction, analytics, and visualization. Work onsite with US government customers, participate across the SDLC, apply DevSecOps/CI-CD, and collaborate with analysts to deliver mission-focused data products.

Develop and maintain the frontend and backend of a web-based virtual development and simulation environment for DoD customers. Responsibilities include software design, full-stack development, automated unit and integration testing, configuration management, code maintenance, Agile collaboration, and potentially leading development activities. The role is performed on-site in Huntsville, Alabama and supports secure government environments.

Build and expand fintech and payment systems using Go, microservices, databases, and cloud technologies. Design production APIs and tooling, diagnose customer issues, manage full release lifecycles, document systems, and mentor engineers. Collaborate with product and business teams while guiding AI agents to produce maintainable, observable, testable code that meets engineering standards. Work independently in a high-availability environment and contribute to next-generation financial products.

Design, develop, and test C++ software for RF processing, radar systems, simulations, and toolchains. Translate algorithm descriptions into software, integrate radar systems with experimental data and analytical tools, optimize performance, and participate in code reviews. Collaborate with cross-functional engineering teams to define requirements and deliver reliable, scalable solutions. The role is performed onsite five days per week and requires an active Secret clearance with eligibility for Top Secret/SCI.

Provides architectural and technical leadership for institutional exchange systems, including matching engines, order management, market data, risk, and unified trading platforms. Leads ultra-low-latency distributed-system design, cross-team technical alignment, reliability standards, incident response, and multi-quarter initiatives. Maintains hands-on engineering contributions while mentoring senior engineers and developing technical leadership across teams.

Develops and maintains secure, high-performance full-stack software applications and services using C#, TypeScript, SQL, and .NET Core. Designs databases, APIs, services, and user interfaces; writes automated tests; participates in Scrum, code reviews, deployments, and production issue resolution. Leads architecture and technical research, mentors engineers, documents systems, improves processes, and collaborates with credit union stakeholders.

Design, implement, and maintain partner integration solutions; translate partner requirements into scalable technical implementations; troubleshoot and automate fixes; collaborate with product and engineering teams to improve tools and ensure successful partner onboarding and launches.

Leads end-to-end technical solution design and delivery for loan origination and point-of-sale platforms. Develops, configures, integrates, tests, deploys, and supports complex applications while ensuring scalability, reliability, security, and architectural compliance. Partners with product managers, business teams, vendors, architects, and technology teams in an Agile environment. Provides application subject matter expertise, conducts code and design reviews, resolves data and system issues, drives automation and continuous improvement, and mentors team members.

Lead design and delivery of scalable customer-facing features, services, and APIs that process real-time data and AI-powered insights. Build web experiences, contribute to LLM/AI workflows, ensure reliability through observability and rollout practices, and collaborate cross-functionally with Product, Design, ML, and platform teams.

The Senior Options Software Engineer will design, develop, and support a high-performance trading platform, collaborating with business leaders to create innovative software solutions and handle complex systems support for trading activities.

Leads design and delivery of secure Java and Spring Boot microservices on AWS. Responsibilities include architecture, API and data modeling, production performance and resilience, observability, testing, CI/CD, incident management, code reviews, mentoring, and technical standards. The role also leads responsible adoption of AI-assisted engineering tools, evaluates vendors and architectures, and promotes secure, compliant development practices.

Design and build AI-native financial infrastructure, including scalable backend services, APIs, data models, and full-stack applications. Develop agent-powered workflows for underwriting, risk monitoring, collections, and payments. Operate applications in the cloud, participate in code reviews, and help evolve engineering standards and AI-assisted development practices. Collaborate with product, design, architecture, and engineering teams in a fast-moving startup environment.

Build AI agent-powered credit risk systems covering underwriting, monitoring, collections, and payments. Design scalable backend services, APIs, data models, and full-stack applications using TypeScript, React, and Node.js. Deploy and operate cloud applications, contribute to architecture and engineering standards, review code, and collaborate with product and design teams in a fast-moving startup environment.

Develop and maintain sports trading and tools applications and platforms using .NET, C#, and SQL Server. Build scalable, low-latency, highly available software handling high-volume real-time data. Support existing 24/7 trading systems, perform root-cause analysis, collaborate with product owners and testing teams, contribute to solution proposals and estimates, and mentor technical team members. The role will also expand into Golang, React, and Google Cloud Platform.