Top Senior Software Engineer Jobs

Build and maintain the analyst-facing frontend for Kepler's AI research platform: high-performance, data-dense interfaces (spreadsheets, tables, streaming views) that surface cited, auditable values and verification workflows. Ship end-to-end features, optimize browser performance, implement real-time streaming UX, and ensure traceability from UI cells back to original sources.

Develop and enhance AI Gateway platform, contributing to the design and maintenance of features for optimal reliability in AI workloads while collaborating with cross-functional teams.

Design and develop flight software for space systems, mentor engineers, and ensure adherence to software development principles in an Agile environment.

Develop highly reliable full-stack software and applications used across SpaceX. Responsibilities include designing systems, building prototypes, solving user problems, contributing to architecture and code reviews, and owning software engineering and product development. The role involves improving application performance, testing, deployment, monitoring, in-stream data processing, containerized production systems, front-end applications, and database technologies.

Design, develop, test, implement, document, and maintain software supporting Wellmark’s business development agency and agent tools. Provide application and production support, contribute to solution architecture, resolve technical issues across on-premise, cloud-native, and hybrid environments, and perform root-cause analysis. Collaborate with UX, technology teams, leadership, and stakeholders to deliver accessible, usable solutions. Participate in Agile development, communicate technical information, and potentially mentor team members.

Hands-on senior frontend engineer to set architecture and technical direction for a TypeScript/React/Next.js platform. Own design for data-access, performance, monorepo standards, and CI; diagnose memory and render issues; lead design reviews, mentor a team of ~6, and work with backend, product, and users to translate requirements into scoped work.

Lead design and implementation of a petabyte-scale unified virtual memory and system software stack for accelerator-based large-scale clusters. Build custom allocators, runtimes, schedulers, and Linux kernel/driver components. Integrate and optimize HPC workload managers, ensure high-throughput resource management, and remove kernel-space bottlenecks for massive parallel jobs.

Build and maintain Leland’s platform and foundational infrastructure while collaborating with product, design, and engineering teams. Develop high-quality, performant code, propose product innovations, and ensure quality through testing and code reviews. Contribute to an inclusive, collaborative team culture and help shape products in a fast-paced, AI-native startup environment.

Design, build, and maintain cloud-native microservices and micro-frontends for a patient management platform. Implement features across frontend and backend, improve CI/CD and test automation, support Kubernetes infrastructure, enhance security and performance, and provide occasional production support while collaborating with global cross-functional teams.

Develop end-to-end full-stack software and systems from architecture through production. Build object-oriented, multi-process and threaded applications on Linux/RHEL platforms; apply test-driven development, DevSecOps, cybersecurity practices, and STIG hardening. Collaborate in Agile teams, improve system architecture, maintain RHEL configurations, and support client missions. Preferred work includes CI/CD, Docker, Jenkins, microservices, ML evaluation, fused-sensor systems, geospatial data, embedded systems, hardware acceleration, and API integration.

Develop and maintain software and analytics for an enterprise cybersecurity tool, emphasizing automated security authorization, continuous monitoring, data gathering, and reliable data delivery. Responsibilities include Pig and PySpark development, database queries, software design, debugging, testing, documentation, performance improvement, data investigation, and integration. The engineer will collaborate within a Scrum team and review data ingestion tickets and code changes.

Develop and maintain cloud-native platform services, backend APIs, microservices, and enterprise integrations. Build identity, authentication, and access management solutions using secure software engineering practices. Collaborate with architects, engineers, and product stakeholders to troubleshoot issues, improve performance, and deliver scalable platform capabilities. Use technologies including Java, Spring Boot, Python, Terraform, Docker, Angular, and AWS while supporting CI/CD and DevOps practices.

Leads reliability engineering for transportation and delivery fulfillment systems. Manages distributed engineers, 24x7 operations, incident response, SLOs, observability, automation, resilience, security remediation, and continuous improvement. Partners with product and engineering teams to deliver secure, scalable software and oversees hiring, mentoring, performance management, roadmaps, capacity, and operational priorities.

Supports DoD software modernization by independently evaluating contractor software architecture, development, testing, documentation, and modernization strategies. Reviews requirements, designs, interfaces, algorithms, data strategies, and verification evidence; assesses risks, maintainability, performance, and lifecycle adherence. Provides recommendations during technical reviews, configuration control boards, acquisition milestones, and system-level testing while coordinating with hardware, systems, and cybersecurity engineers.

Design and develop scalable, high-performance data and API infrastructure for real-time processing. Mentor engineers and collaborate with teams to enhance AI model evaluations.

The role involves designing and building data pipelines for analyzing user feedback on AI models, ensuring data quality and infrastructure scalability.

Design, develop, test, deploy, and support enterprise applications and databases. Translate business requirements into maintainable code, integrate third-party solutions, participate in design and code reviews, resolve complex technical issues, mentor junior staff, and ensure compliance with IT and security policies.

The Senior Software Engineer for the Treasury team will develop backend services for fund management, ensuring system reliability and leading projects in a fast-paced environment.

Provides technical leadership and hands-on software engineering for intelligence community data transformation and system modernization. Designs scalable Java or Python backend applications, microservices, APIs, distributed data pipelines, and cloud-native systems. Guides architecture, database strategy, security, performance, DevOps, and container orchestration across secure AWS or Azure environments. Mentors engineers, leads technical design sessions, and collaborates with government stakeholders and architects to develop technical roadmaps.

Provide technical and production expertise for Autodesk Maya customers: understand pipelines, diagnose issues, design and develop fixes and tooling, write tests, collaborate with cross-functional teams, and occasionally travel to client sites.

The role involves leading application design, development, and troubleshooting, with responsibilities in coaching, strategic decision-making, integration, and improving processes.

Leads architecture, development, and delivery of scalable healthcare applications using .NET, Azure, Kubernetes, SQL Server, and modern web technologies. Provides technical leadership, mentors engineers, conducts code reviews, manages production issues, optimizes database performance, and guides sprint execution across multiple initiatives.

Build large-scale video services and rebuild media processing and distribution pipelines using high-performance languages. Ensure exceptional media quality, performance, and reliability across video playback, live streaming, audio/video calls, and other products. Work with distributed systems and media technologies such as WebRTC, LL-HLS, and video transcoding while optimizing end-to-end performance at scale.

Develop and support front-end applications for collaborative intelligence and analytics tools. Responsibilities include AngularJS and NodeJS development, UX collaboration, Section 508 compliance, user support, feature improvement, testing, documentation, quality control, and technical leadership across multiple software teams. The role also involves analyzing system performance, developing software solutions, and working with databases, web services, Linux scripts, Agile processes, and code-management tools.

Senior backend engineer responsible for designing and implementing new features, scaling and optimizing the platform, improving Postgres and Elasticsearch performance, fine-tuning LLMs, and making architectural decisions. Collaborate with engineering team, take ownership of features, write performant, maintainable code, and help shape product and infrastructure for data-intensive applications (NLP, search, indexing).