Top Senior Software Engineer Jobs

Senior Software Engineer responsible for owning and supporting the MCA international cash management platform. Duties include COBOL development, mainframe application support, Oracle Database and Linux administration, monitoring with Dynatrace, incident and change management via ServiceNow, vendor coordination (including Oracle Flexcube), troubleshooting production issues, delivering enhancements, and participating in Agile delivery to ensure platform reliability and regulatory compliance.

Hands-on senior full-stack engineer building cloud-native, responsive React UIs and Java/Spring Boot backends. Develop RESTful APIs and microservices, ensure code quality, CI/CD, security, and collaborate with Product, UX, QA, and DevOps in Agile delivery.

Lead a team to design, build, and maintain scalable full-stack applications using Java, TypeScript/JavaScript, Spring, React, Node, and Azure. Coordinate with internal and external teams, integrate external systems (REST/SOAP), apply architecture, security, and performance best practices, and implement DevOps/CI-CD automation.

Design, build, and scale high-performance ad-serving systems. Optimize algorithms and architectures to reduce cloud costs, extend observability, support incidents via on-call rotations, and produce documentation and playbooks.

Lead design, development, and delivery of secure, scalable full-stack web and API platforms (customer onboarding, identity management). Work across the SDLC, implement microservices and event-driven architectures, integrate RESTful APIs, drive engineering best practices (CI/CD, testing, security, observability), collaborate with product and UX, and participate in on-call production support.

Design, build, and operate scalable backend services, data pipelines, and distributed systems on AWS. Improve content quality with AI/automation, optimize CI/CD and developer tooling, mentor engineers, and collaborate with product and design to deliver reliable, data-driven features that power Realtor.com.

The Senior Software Engineer will develop innovative solutions in real estate, utilizing modern backend technology and mentoring junior engineers, while focusing on consumer experience and technical decision making.

Own and extend a high-traffic content platform by building frontend-first features in React/Next.js and contributing across the full stack. Improve performance, caching, SEO, accessibility, and developer experience; design GraphQL data layers; implement testing and CI/CD practices; provide technical leadership, code reviews, and collaborate with Product and Design.

The role involves leading application performance improvements across multiple platforms, focusing on measurable metrics and driving engineering standards and workflow optimization, using both hands-on coding and strategic influence.

The Software Engineer III will design, develop, and test software for space systems, mentor engineers, and manage complex software systems.

Design and develop high-performance real-time data pipelines for processing financial market data, ensuring low latency and high throughput.

The Lead Backend Software Engineer will provide technical leadership, design GraphQL APIs, and enhance Philo's backend services, ensuring platform stability and performance across applications.

The role involves designing and optimizing Philo's video streaming pipeline, collaborating across teams, and enhancing video delivery systems with scalability and machine learning.

The Software Engineer II (Frontend) will design and develop user experiences for WHOOP's digital products, focusing on responsive web applications and collaboration across teams.

As a Software Engineer Principal, you will align business strategy with software solutions, propose designs, lead problem-solving, and provide technical guidance.

The Software Engineer will lead quality assurance activities, develop software solutions, implement test strategies, and ensure regulatory compliance in the Finance department.

As a Senior Software Engineer, you'll design, build, and maintain Workday integrations, manage ETL processes, and ensure data security and compliance while leading cross-team collaborations.

Design and develop software for a Linux-based networking system, ensuring reliability and performance in vehicle communications, while collaborating with hardware and application teams.

The role involves leading the design and development of a billing platform, integrating systems, improving processes, and mentoring engineers in a hybrid work environment.

The Software Engineer will develop lending products for Cash App, collaborating with teams to enhance financial access and build APIs within complex systems.

The Software Engineer will enhance Lending products for Cash App, focusing on building complex systems, APIs, and collaborating with multiple teams to support economic empowerment through accessible credit.

As a Software Engineer on the Compute team, you will build and optimize systems for data processing, SQL querying, and improve the performance of code execution. You will tackle complex engineering challenges spanning backend data systems to frontend applications, ensuring efficiency and usability.

As a core engineer on the Web Infrastructure team, you will enhance Notion's web client performance and development speed by improving load times, interaction latency, and providing tooling for product engineers.

Develop and maintain React/Next.js front ends, JVM APIs and Python ETL supporting analytics. Build scalable, cloud-native services (AWS/GCP), CI/CD pipelines, containerized deployments, and integrate data technologies. Collaborate with product, mentor teammates, apply AI tooling, and optimize performance and reliability.

Design, develop, test, deploy, document, and maintain software solutions for the CCAR team. Lead a small team, integrate ETL and relational databases, and implement web service (REST/SOAP) integrations to meet project objectives and business needs.