Top Senior Software Engineer Jobs

Build and harden high-performance Android SDKs and on-device services focused on reliability, footprint, battery, and security. Reduce install/delivery failures, partner with OEMs/carriers, own full product lifecycle (instrumentation, monitoring, rollouts, on-call), mentor engineers, and raise code quality through testing and reviews to support large-scale device deployments.

Lead design and implement full-stack features for campaign management, reporting, and marketplace optimization. Build front-ends, back-end services, and APIs; focus on backend architecture, low-latency performance, scalability, testing, observability, and on-call ownership. Collaborate with product, mentor teammates, and raise engineering standards across a polyglot stack.

Design, build, and maintain scalable backend services and public REST and internal gRPC APIs. Lead system design, implement automated testing, CI/CD, monitoring, and performance improvements. Mentor engineers, conduct code reviews, troubleshoot production incidents, author run books and design docs, and drive cross-team projects as tech lead.

Architect and build a high-performance risk calculator platform: design distributed, low-latency systems processing millions of risk metrics, integrate simulation engines for stress testing and VaR, implement microservices, real-time streaming, and cloud-native deployments, translate business requirements into technical solutions, ensure regulatory compliance, and mentor engineering teams.

Design, build, and own scalable microservices and secure APIs that transfer value across blockchain and banking protocols. Extend in-house blockchain infrastructure, integrate with banks and cloud services, troubleshoot production issues, document system and testing procedures, and collaborate with product and engineering teams to deliver reliable payment experiences.

The Senior Software Engineer in Data Engineering will design and maintain data processing services, ensuring scalability and performance for a game analytics platform, collaborating with various teams to deliver insights for stakeholders.

Design, build, and maintain data processing services focusing on ingestion. Collaborate with teams to provide data insights, ensuring performance and scalability.

The Principal Software Engineer, Data Architecture leads enterprise data architecture initiatives, modernizes data platforms, and mentors engineering teams while ensuring compliance and governance in global environments.

Design and implement rapid software prototypes for ISR, sensor exploitation, tracking, and C2. Support demos, integration events, and field experiments. Lead small developer/test teams, decompose tasks, diagnose multi-application issues, and apply strong coding, debugging, and design skills across Windows and Linux environments.

As a Senior Software Engineer, you will develop and validate real-time sensor software, integrate algorithms, and perform rigorous testing in a collaborative environment.

As a Senior Software Engineer, you will develop and validate real-time RF sensor systems, integrating algorithms and testing software components within a multi-disciplinary team.

As a Staff Software Engineer, you will architect and optimize a full-stack platform, lead technical initiatives, mentor engineers, and influence engineering direction for high-quality software products.

Senior Android Engineer responsible for translating complex business requirements into scalable Kotlin/MVVM Android solutions, writing robust, testable code with observability, guiding teams on architecture and AI-driven mobile features, mentoring engineers, and automating development, testing, and operations to improve delivery.

The Senior Software Engineer will develop and validate real-time RF sensor software, integrating algorithms into systems and conducting rigorous testing.

Lead full-stack web development on GCP to build AI-powered search and discovery experiences. Design and implement web apps, services, and indexing pipelines, optimize performance, automate CI/CD and testing, mentor engineers, collaborate with product and ML partners, and productionize search/recommendation capabilities.

The Staff Software Engineer will design and implement solutions for the Websites product, collaborate across teams, and innovate on a scalable web platform for restaurants.

Senior Software Engineer responsible for developing, installing, testing, and maintaining applications; diagnosing and resolving system issues; designing enhancements; monitoring performance; documenting findings; training junior engineers; ensuring compliance with risk and cybersecurity practices; and supporting legacy platform (MTS) and automation using COBOL, Perl, and Unix/Linux environments.

Senior full‑stack engineer building customer‑facing web, mobile, and backend systems to grow US remittance business. Lead technical design, deliver scalable, observable services, use AI tools, mentor teammates, participate in on‑call rotation, and collaborate with product, design, and analytics to improve high‑value send experiences.

Design, build, test, deploy, and maintain scalable full-stack payment-processing applications using Java, Spring Boot and Angular. Develop RESTful APIs, automated tests, CI/CD and observability; troubleshoot production issues, optimize performance, ensure secure coding, participate in Agile ceremonies, perform code reviews, mentor engineers, and collaborate with product, architecture, and operations teams.

Technical lead for Mastercard's Developer Workbench platform: define architecture and roadmap, integrate developer tools, deliver onboarding and pre-provisioned environments, implement AI-augmented development capabilities, instrument platform metrics, ensure security/compliance, and mentor engineers to drive adoption across 11,500+ engineers.

Lead a squad building factory and launch platform software: manage engineers, own architecture and full SDLC, ship code, partner with cross-functional teams, mentor and hire, and uphold engineering standards for production systems.

Lead ownership of third-party integrations across web properties: implement, inventory, monitor, and optimize pixels, trackers, analytics, and APIs for accuracy and performance. Work across frontend stack (JS/TS, React/Next.js, occasional PHP/JSON/YAML), collaborate with Legal, Marketing, and vendors, and debug network/log issues. Maintain uptime/data integrity and build monitoring and reporting solutions.

Build and prototype scalable, maintainable media applications for streaming clients using TypeScript/JavaScript. Collaborate with UX, product, and cross-functional teams, deliver apps for TV devices (Samsung, LG), use data-driven experimentation, and mentor junior engineers.

Senior fullstack engineer to build and scale Brigit's consumer finance platform. Own end-to-end features across frontend (React/React Native/TypeScript) and backend (Java/REST/SQL), optimize database and APIs for high scale, integrate 3rd-party services, implement risk and transaction algorithms, improve CI/CD, testing, monitoring, and internal tooling to support millions of users.

Build and maintain backend services, APIs, automations, and event-driven workflows to support an enterprise software delivery platform. Improve integrations with vendor tooling, ensure platform reliability and observability, collaborate across teams, and steward platform lifecycle, security, and documentation.