Top Senior Software Engineer Jobs

Build and operate large-scale audio data pipelines for AI model training. The role involves discovering data sources, optimizing data processing for quality, throughput, and cost, partnering with AI scientists, and owning engineering projects from discovery through continuous improvement.

Build and maintain native Android experiences using Kotlin, scalable mobile frameworks, reusable UI components, and modular architecture. Own initiatives from product discovery through launch, collaborate with product, design, and backend teams, and improve architecture, testing, monitoring, and engineering standards. Develop secure, performant financial products while contributing to code reviews and platform components.

Build and operate high-traffic consumer and partner products across backend services, APIs, frontend applications, infrastructure, databases, and DevOps. Responsibilities include delivering tested full-stack features, managing observability and reliability, supporting incident readiness, securing sensitive data, integrating third-party systems, adopting AI-assisted development tools, and leading cross-functional delivery. Work may involve real estate, mortgage, rental, marketplace, or financial services products.

Develop and maintain proprietary investment portfolio management systems, including web UI, portfolio analytics, rebalancing, and monitoring tools. Build new functionality across the full stack, support critical production systems, and plan large-scale integrations. Collaborate with investment teams, business stakeholders, third parties, and junior team members while ensuring application responsiveness, reliability, and security.

Build and scale full-stack software for employer and Employee Assistance Program products, including employer portals, patient and provider workflows, eligibility, authorization, and billing. Lead technical projects, design secure distributed systems, mentor engineers, contribute to engineering culture, and use modern technologies and AI-assisted development tools. Collaborate cross-functionally to expand access to mental healthcare.

Lead the design, development, testing, deployment, and operation of secure, scalable backend applications, APIs, microservices, and data-intensive services. Build Python and PySpark solutions using Azure technologies, establish API and engineering standards, improve observability and reliability, troubleshoot production issues, and drive secure software delivery. Partner across technical teams, mentor engineers, conduct architecture and code reviews, modernize systems, and responsibly apply AI tools to development and operations.

Build and operate production software for Crunchyroll’s Concepts Lab, turning validated experiments into reliable products. Embed with delivery teams, design systems, maintain CI/CD and testing, manage production health, improve security and scalability, document services, and lead clean handoffs to long-term owners. Mentor engineers and contractors, contribute to hiring, and establish standards for code quality, observability, cost management, and release safety.

Lead backend engineering for a high-performance, data-intensive SaaS platform. Responsibilities include defining technical vision, designing scalable and highly available systems, executing technical projects, participating in architecture decisions, monitoring and optimizing services, improving CI/CD and infrastructure, conducting postmortems, mentoring engineers, documenting practices, and aligning with partner teams.

Develops high-performance networking software and driver firmware for switch and NIC data planes. Responsibilities include designing software enhancements, creating APIs for custom ASIC control and monitoring, implementing scalable and resilient functionality, writing test plans, debugging integrations, leading project teams, and collaborating with internal and external development partners. The role also involves influencing network architecture, mentoring engineers, and communicating technical designs and project progress.

Design, develop, test, and troubleshoot high-performance routing protocol software focused on BGP and data center networking. Write C/C++ code, improve automation and test coverage, develop proofs of concept, resolve complex customer issues, and collaborate with global engineering teams on architecture, scalability, performance, and reliability.

Lead development of enterprise-scale AI/ML data platform capabilities, including Java and Python services, data pipelines, APIs, batch jobs, and governance workflows. Responsibilities include system design, testing, deployment, troubleshooting, data quality analysis, observability, automation, and secure software delivery. The role collaborates with distributed Agile teams, improves internal engineering utilities, evaluates emerging technologies, and applies AI-assisted development tools with rigorous validation.

Leads full-stack software engineering within an Identity and Access Management team. Designs, develops, tests, troubleshoots, and reviews secure production code; improves application resiliency and operational stability; promotes AI-assisted engineering practices with secure validation standards; applies SDLC and cloud-native practices; and evaluates vendor and architectural solutions.

Own full-stack software projects from scoping through delivery, building and maintaining tested Python and React applications using the Glint SDK. Use AI agents responsibly, implement unit, integration, and end-to-end testing, review code, mentor colleagues, lead technical discussions, resolve production incidents, and collaborate across teams to deliver reliable, scalable, secure solutions for clients.

Develop, integrate, execute, debug, and analyze real-time modeling and simulation software supporting Army Integrated Air and Missile Defense systems. Build simulation models in C++ and FORTRAN, integrate fire-control, missile, command-and-control, and tactical software, resolve defects, support laboratory and flight-test venues, and create MATLAB/Python tools for simulation data analysis. The role requires collaboration across government, OEM, and test-range environments, with occasional travel.

Lead full‑stack design, development, and maintenance of scalable financial applications across front-end, back-end, and databases. Build RESTful APIs and microservices, participate in code reviews, troubleshoot production issues, mentor junior developers, and adopt AI/LLM tools and cloud/container platforms to improve delivery and security.

Build and maintain high-performance, resilient SDKs across multiple programming languages and platforms. Develop features, improve reliability, collaborate with engineering and product teams, maintain open-source repositories, and influence technical and product decisions. The role requires strong software engineering fundamentals, polyglot development ability, library-building experience, production-quality coding, and expertise in unit, integration, load testing, and benchmarking.

Administer and optimize SQL Server and PostgreSQL databases, including capacity planning, monitoring, backups, recovery, high availability, performance tuning, and data loads. Support IT infrastructure, troubleshoot systems, manage configuration and change processes, and design, develop, and maintain cloud-based database applications. Requires extensive software development and database administration experience, familiarity with Linux and Windows, and TS/SCI with Poly clearance.

Develop and test embedded flight software for NASA’s Orion crewed spacecraft. Responsibilities include C/C++ implementation, unit and integration testing, software verification, defect resolution, troubleshooting, software integration, flight software load builds, code reviews, and development of supporting tools and scripts. The role collaborates with NASA and contractor experts while following safety-critical aerospace software processes.

Designs, develops, tests, deploys, maintains, and documents software applications and systems throughout the software development lifecycle. Provides technical guidance, code reviews, debugging support, estimation expertise, and mentorship to junior developers. Uses Java-based frameworks, cloud platforms, databases, CI/CD tools, monitoring solutions, and collaboration platforms while contributing to Agile development and continuous process improvement.

Build, test, review, deploy, monitor, debug, and maintain full-stack software used in K-12 classrooms. Work primarily with React, TypeScript, Node.js, and AWS while improving complex codebases and service design. Participate in incident response, refactoring, code reviews, pairing, mentorship, and cross-functional collaboration with product, design, and education experts. Use AI tools thoughtfully and prioritize reliable, accessible, and equitable learning experiences.

Design, develop, test, deploy, and support scalable backend services, APIs, integrations, and cloud-enabled software for a regulated wealth custody and clearing platform. Collaborate across product, architecture, operations, risk, and compliance; participate in design reviews and Agile delivery; troubleshoot production issues; ensure security, resiliency, observability, data integrity, and operational readiness; and mentor junior engineers.

Develop and lead end-to-end full-stack software solutions in an agile environment. Responsibilities include designing enterprise applications, gathering client requirements, modernizing systems, developing front-end and back-end services, building Java and Spring Boot microservices, deploying cloud-based solutions on AWS, and using Docker and Kubernetes. The role also oversees a development team, improves system architecture, and supports regulated federal client initiatives.

Develop and ship full-stack, AI-powered applications using Unframe’s platform. Collaborate with product teams, research teams, internal stakeholders, and enterprise customers to tailor solutions, extend platform and UI/UX capabilities, and integrate AI functionality into production. Write clean, tested, maintainable code and own features from concept through deployment.

Develop and ship full-stack, AI-powered applications using Unframe’s platform. Collaborate with product teams and enterprise customers to tailor solutions, extend platform and UI layers, integrate AI capabilities into production, and deliver clean, tested, maintainable code. The role requires end-to-end ownership of user-facing products and strong communication in a fast-moving startup environment.

Plans, designs, develops, tests, deploys, integrates, documents, and maintains software systems supporting government test and training environments. Develops web applications, APIs, network applications, and database solutions using multiple programming languages and technologies. Collaborates across engineering, project management, quality, configuration management, hardware, communications, and operations teams. Troubleshoots systems, documents requirements, estimates timelines, and supports customer needs. The role may require travel, U.S. citizenship, security clearance eligibility, and CompTIA Security+ certification.