Top Senior Software Engineer Jobs

The Sr. Staff Software Engineer will lead the development and deployment of software solutions, shaping technical strategies, mentoring engineers, and overseeing systems' long-term health.

The Sr. Software Engineer designs, develops, tests, and maintains software applications, serving as an expert on projects and driving the full development life cycle, while also mentoring other engineers and ensuring code quality through reviews and testing.

Build and modernize scalable, high-performance customer-facing web applications across the SDLC. Collaborate with product, design, and engineering to architect solutions, implement APIs and microservices/micro-frontends, ensure code quality and performance, and deploy via CI/CD on AWS. Mentor teams and apply security best practices and AI-enabled development to drive customer-focused digital products.

The Senior Software Engineer will architect production-grade systems using Python, lead best engineering practices, build tools for research teams, design CI/CD workflows, and mentor peers in a collaborative environment.

As a Senior Software Engineer at Cribl, you will contribute to building and delivering improved cloud services, solve infrastructure issues, implement product roadmaps, and ensure software quality and reliability. You will work autonomously within a distributed team and engage with product development, focusing on creating scalable and reliable infrastructure solutions.

Design, implement, and maintain scalable Java-based backend services and microservices. Optimize performance, troubleshoot distributed systems in production, collaborate cross-functionally, mentor engineers, participate in architecture decisions, and implement monitoring and testing to ensure reliability and scalability.

Lead design and build of a 0-1 Identity Graph platform for real-time identity resolution. Own architecture, implement high-performance synchronous read models, build data pipelines, enforce PII privacy boundaries, ensure production resilience and observability, and mentor engineering teams while aligning cross-team stakeholders.

As a Senior Backend Engineer, you'll lead backend architecture, drive technical decisions, optimize systems for performance, and coordinate across teams to enhance consumer-facing features.

The Staff Software Engineer will architect and implement scalable data systems, collaborate with teams, mentor engineers, and ensure data integrity.

Build and own backend identity APIs and core authentication flows for scale. Partner with product and engineering leadership, author design docs, improve production resilience and observability, handle incident response and on‑call, collaborate across teams, and mentor other engineers.

Lead the design and development of a billing and payments platform, ensuring it meets business goals and technical requirements while mentoring other engineers.

As a Senior Software Engineer, you will own systems from database to production, work full-stack using C#/.NET, React, and Azure, optimize APIs, and leverage AI coding agents for workflow efficiency and automation.

The Senior Staff Software Engineer will lead the HPC integration efforts, developing software stack integrations, mentoring junior staff, and optimizing scheduling between quantum and classical resources.

Lead end-to-end feature delivery, ensure code quality and testing standards, collaborate with Product and Design, mentor junior engineers, and drive engineering initiatives to improve scalability and operational efficiency.

Design, build, and deploy scalable contracts management features using Python and AWS. Collaborate with teams to implement backend services and maintain a growing React project.

Design, build, deploy, and operate ledger, payments, and reconciliation services that ensure accurate crypto and fiat money movement. Partner with finance and treasury, implement safeguards for correctness and auditability, design scalable APIs/data models, write tested production code, monitor system health, respond to incidents, mentor teammates, and participate in on-call rotations.

As a Senior Software Engineer, lead system implementations, address technical issues, collaborate with product teams, and mentor junior engineers while using technologies like Python and React.

As a Senior Software Engineer, you will drive high-impact initiatives in data engineering, mentor junior team members, and build scalable, customer-facing applications. You will collaborate with cross-functional teams to enhance product features and contribute to the team's vision.

Responsible for designing and implementing GraphQL APIs, leading API architecture development, integrating data sources, mentoring junior engineers, and ensuring data governance and security practices.

Design, develop, test, and own SDKs and REST APIs for a next-generation analytics platform. Collaborate with Product Management, contribute to DevOps and quality frameworks, perform code reviews, and mentor teammates to deliver performant, well-tested software.

Lead design and optimization of high-performance microservices, write efficient production code, diagnose and fix performance bottlenecks, optimize data layers and caching, collaborate with cloud infrastructure teams, establish benchmarking and load-testing in CI/CD, and mentor engineers to raise code quality and performance standards.

The Staff Software Engineer will build web APIs and data pipelines for energy analytics, contribute to electricity cost modeling, and improve engineering processes while collaborating across teams.

The Senior Software Engineer will design and implement software solutions for investment processes, engage with leaders, automate development, and support production escalations.

The role involves developing AI-driven features for a clinical platform, including system design, maintenance, and mentoring within a collaborative team.

The Software Systems Engineer will develop requirements, integrate and test systems, manage backlogs, and ensure software accuracy for DoD missions.