Top Senior Software Engineer Jobs

Own and deliver end-to-end full-stack features for a React frontend and Spring Boot backend. Build/version REST APIs, scale microservices on AWS, optimize PostGIS queries, implement real-time UI updates, support on-call incident response, and mentor engineers.

Design, develop, test, and deploy .NET solutions (APIs and web apps). Build and consume RESTful services, work with SQL and NoSQL databases, use cloud (Azure/AWS) and Docker, apply unit/integration/performance testing, participate in code reviews, define features via spikes, and architect scalable, high-performance systems. Support occasional after-hours and on-call rotation.

Develop, maintain, and enhance complex software systems including microservices and large-data analytics. Design, code, debug, test, and integrate software; build RESTful APIs and backend services on AWS; implement CI/CD and IaC; monitor production systems; optimize performance and security; and contribute to system design and documentation.

Design and build internal investigation, review, and enforcement tooling and underlying platform APIs, storage, and services. Integrate LLMs (Claude) to scale human review, implement guardrails (permissions, audit trails, data-access controls), instrument metrics, and partner with policy, operations, legal, privacy, and data science to improve reviewer workflows and safety outcomes.

Lead development of Starlink Wi‑Fi software: drive roadmap, debug and optimize kernel-level performance, improve mesh and embedded networking, collaborate with RF/EE, build CI/CD tools, and mentor engineers.

The Software Engineer 3 will develop and deploy innovative analytics solutions for geolocation and data integration, collaborating with stakeholders.

Lead software engineer splitting time between hands-on development and technical leadership. Designs, codes, tests, supports, and automates enterprise applications; mentors engineers; drives architecture, best practices, cross-team coordination, and continuous improvement; supports production incidents and stakeholder communication.

Designs, develops, tests, documents, and maintains software solutions using Pathward's tech stack. Reviews and improves existing systems, remediates security issues, participates in planning and user-story analysis, and mentors other engineers while following development processes and best practices.

As a Senior Software Engineer, you will lead a team in developing end-to-end software solutions, integrating new technologies, and ensuring software quality. You'll handle user interface development, system architecture, and operational enhancements while mentoring team members and addressing client challenges.

Lead full stack developer overseeing a team to build systems, collaborating with clients, and applying various tools and technologies for problem-solving.

As a Lead Software Developer, you will build end-to-end solutions in a full stack capacity, addressing complex challenges and implementing improvements within a collaborative team. Requires extensive programming experience and a TS/SCI clearance with a polygraph.

The Staff Software Engineer will lead the strategy and development of metrics to evaluate autonomous driving software performance, collaborating across teams and inventing new ML methods for performance evaluation.

The Staff Software Engineer will architect infrastructure for simulation tests, lead cross-functional initiatives, and refine evaluation metrics to enhance autonomous vehicle technology.

Design and implement frontend features for patient and provider web experiences at scale. Build realtime, accessible, high-performance interfaces, own application reliability and monitoring, contribute to architecture and technical roadmap, drive testing and observability best practices, collaborate cross-functionally, and participate in on-call rotations.

Design, implement and maintain applications using NodeJS and Java, develop AI-powered solutions, and manage all phases of software development life cycle.

Lead and build a new Trust & Safety engineering domain: design and implement systems to detect and mitigate fraud, billing anomalies, and credential abuse. Architect product and operational solutions, mentor engineers, define processes, and deliver scalable, auditable safety tooling across internal and external workflows.

Design and implement low-latency, reusable data pipelines and real-time systems that produce tracking and pose data for AI-driven sports insights. Integrate computer-vision and event-detection algorithms, build performant cloud and on-premise services, create developer tools and frameworks, mentor teammates, and ensure scalable, autonomous systems with minimal manual intervention.

Build and own end-to-end customer-facing features for web and mobile. Develop backend services and RESTful APIs in Node.js/TypeScript, responsive frontends in React/Next.js, integrate AI/LLM features, work with AWS infrastructure, ensure observability and security, contribute to CI/CD and testing, and mentor junior engineers in an Agile team.

Build, maintain, and modernize backend .NET services; understand legacy systems; design scalable RESTful APIs; write tests and perform code reviews; troubleshoot production issues; collaborate with architects and product teams to improve platform and delivery.

Hands-on lead engineer building backend and full-stack capabilities for a real-time decisioning platform. Own end-to-end technical areas, design scalable services and APIs, mentor engineers, drive architecture, write production code, improve quality with testing and observability, and collaborate with product and stakeholders to deliver measurable outcomes.

Senior backend engineer responsible for owning large projects from discovery to launch, improving performance/reliability/scalability, enhancing testing/monitoring/CI/CD, building high-volume fault-tolerant infrastructure, and keeping sensitive data secure while mentoring peers and collaborating with product and design.

Design, develop, test, and maintain software applications for mission-critical systems, ensuring high performance and security in a collaborative environment.

The HPC Software Engineer designs and maintains software for high performance computing systems, ensuring adherence to requirements and collaborating with teams.

As a Software Engineer in Resilience, you will enhance performance, scalability, and observability while mentoring engineers and improving operational excellence at Persona.

The Application Software Engineer will focus on integrating AI technology for autonomous driving, ensuring software functionality on hardware platforms, and collaborating across teams for smooth delivery.