Top Senior Software Engineer Jobs

Design, develop, and support reusable components, interactions, frameworks and SDKs for Spectacles AR glasses and SnapOS. Contribute to OS components, participate in code and design reviews, and collaborate with design, engineering, and product teams to launch performant, test-covered features.

Design, implement, and optimize full‑stack web and mobile applications. Ship scalable, production‑ready features and UI components, improve performance and reliability, contribute to shared libraries, and use AI tools and metrics to inform development.

Design, implement, and operate critical, highly scalable backend services (identity, friend graph, persistence). Collaborate across teams, ensure availability, scalability, operational excellence, and cost management. Build, test, debug, and participate in incident resolution while leveraging AI tools to accelerate development and maintain secure, production-ready code.

As a Senior UI Software Engineer, you'll lead front-end development, design user experiences, mentor junior engineers, and integrate AI capabilities into products.

Design and implement scalable backend systems for search and conversational AI. Build and productionize services leveraging LLMs, embeddings, and vector search. Lead architecture, mentor engineers, drive cross-team initiatives, and improve developer productivity and operational excellence.

Design, write, integrate, and test cutting-edge prototype and low-volume software for FAST Labs. Develop object-oriented C++ solutions in Linux, collaborate across teams, and adapt quickly to changing requirements. Work focuses on advanced capabilities including AI, autonomy, RF/EO/IR, signal processing, embedded and low-latency systems in a secure, on-site defense R&D environment requiring an active Top Secret clearance.

Design, implement, and operate scalable ads delivery backend services. Own serving-time systems, collaborate with Product/ML/Infra, ensure availability and efficiency, use observability and automation, and apply AI-assisted workflows to ship production-quality code and optimize platform architecture.

The Software Engineer III will design, develop, and test software for space systems, mentor other engineers, and enhance CI/CD pipelines while ensuring security practices.

Design, develop, test, and architect complex software systems for space and defense applications. Write maintainable code, use Git, participate in code reviews, troubleshoot issues, document processes, stay current with industry trends, and mentor junior engineers while collaborating in Agile teams.

Lead design and implementation of complex software solutions, align technology with business strategy, provide technical guidance, drive problem solving, and improve processes and release management across the organization.

Lead design, development, and end-to-end delivery of Java-based, API-driven distributed systems. Own code, deployments (uDeploy), database/T-SQL work, Git source control, and Linux platform support. Act as technical leader setting standards, resolving escalations, supporting change/incident processes, and guiding teams on cloud/hybrid and regulatory-driven initiatives. In-office Pittsburgh role; employer will not sponsor work visas.

The Principal Software Engineer leads platform development, focusing on software design, large-scale systems, AI integration, and mentoring engineers. Responsibilities include improving customer experience and advocating for best practices in software engineering across the organization.

Lead a team of developers and a portfolio of technology projects, building distributed microservices and full-stack cloud solutions. Collaborate with product managers, address regulatory needs, mentor engineers, evaluate emerging technologies, and deliver robust experiences using AWS, TypeScript, JavaScript, Java, SQL, Python, Go, Docker, Kubernetes, and open-source databases.

Leads software engineering projects and developers building distributed microservices and full-stack cloud solutions. Collaborates with product managers, mentors engineers, evaluates emerging technologies, and delivers robust systems supporting regulatory needs and customer experiences. The role uses Python, JavaScript, Java, TypeScript, SQL, Go, AWS, databases, Docker, and Kubernetes.

Leads software engineering projects and developer teams building distributed microservices and full-stack systems. Designs cloud-based solutions using Java, Python, AWS, APIs, databases, Docker, Kubernetes, and related technologies. Collaborates with product managers, mentors engineers, evaluates emerging technology, and delivers enterprise platforms supporting regulatory and customer needs.

Lead a team of software developers and oversee diverse technology projects involving distributed microservices and full-stack systems. Build robust cloud-based solutions supporting regulatory requirements and customer experiences. Use Java, Go, Python, JavaScript, TypeScript, SQL, AWS, Docker, Kubernetes, RDBMS, and NoSQL databases. Mentor engineers, collaborate with product managers, evaluate emerging technologies, and drive delivery in an Agile environment.

Provides technical leadership for architecture, full-stack development, reusable enterprise components, and cloud-based microservices. Leads coding standards, code reviews, CI/CD, testing, observability, security, resiliency, and Agile delivery across multiple teams. Mentors engineers, influences technology roadmaps, supports recruiting, partners with stakeholders, and maintains hands-on coding involvement. Requires Facets and Tivoli experience along with Java, Spring Boot, Kubernetes, OpenShift, Oracle SQL, Docker, Jenkins, Kafka, REST integrations, automated testing, and AI-assisted engineering expertise.

Design, develop, test, deploy, and maintain enterprise software and AI-powered solutions. Build machine learning pipelines, intelligent automations, RESTful APIs, microservices, data pipelines, and cloud-based applications. Collaborate with architects, data scientists, and product managers; conduct code reviews, mentor engineers, troubleshoot production issues, and improve CI/CD pipelines, automated testing, system performance, and responsible AI practices.

Develop and maintain scalable big data and cloud solutions using Scala, Python, Spark, Azure, and AI/ML technologies. Design analytics rules engines, APIs, distributed systems, and machine learning prototypes; evaluate tools and frameworks; analyze requirements; contribute to architecture and estimates; perform code reviews, documentation, testing, and production support; and collaborate across engineering, QA, architecture, and management teams.

Design, develop, deploy, and support scalable software applications and AI-powered solutions. Improve application performance, reliability, security, accessibility, and functionality while integrating new technologies. Follow SDLC, version control, release, deployment, QA, and Agile protocols; resolve production issues; create reports; and collaborate with project management to address risks and priorities.

Build and own end-to-end features for a digital lab notebook: design backend models and APIs, craft rich frontend components with React, mentor engineers, collaborate with PMs and designers, and drive long-term technical vision and incremental delivery.

Design and develop SaaS applications and event-driven microservices for private 5G networks using Golang and Python. Architect scalable, secure cloud backend services, REST APIs, data pipelines, telemetry, monitoring, and multi-cloud integrations. Work with relational, NoSQL, and distributed databases; deploy with containers and Kubernetes; and integrate testing into CI/CD pipelines. Scope and document development tasks, troubleshoot complex customer issues, and collaborate with cross-functional engineering teams in an agile environment.

Develop and support mainframe reinsurance systems involving premiums, claim payments, and reserve calculations. Translate business needs into software solutions, collaborate with actuarial experts and technical peers, improve core systems, establish engineering standards, conduct code and design reviews, and mentor less experienced engineers. The role requires strong analytical, mathematical, communication, prioritization, and software problem-solving skills.

Provide technical leadership and architectural direction for large-scale distributed systems. Design, propose, and code solutions (primarily Java/Spring Boot), mentor engineers, drive best practices, align software with business strategy, and support cross-team problem solving using cloud platforms and modern SDLC practices.

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.