Top Software Engineer Jobs

Design, develop, and maintain simulation orchestration, quantitative research, financial analytics, and experiment management software. Build scalable distributed systems, testing frameworks, visualization tools, and performance-monitoring solutions. Modernize software infrastructure supporting data-driven trading decisions, debug complex systems, analyze bottlenecks, and improve accuracy, computational performance, reliability, and cost efficiency.

Drives platform modernization across engineering teams by applying target-state architecture, AI-assisted development, and Spec-Driven Development. Partners directly with engineers and technical leads, contributes code and technical designs, guides migration strategy, reviews TDDs and RFCs, establishes engineering standards, and coaches teams on scalable backend, distributed-system, and event-driven architecture practices.

Design, build, and operate backend services for Toast’s Business Map platform, including location and organization APIs. Own features from design through production rollout, testing, monitoring, and feature-flagged deployment. Collaborate with partner teams, participate in on-call support, resolve production issues, write technical designs, conduct code reviews, and mentor newer engineers.

Own full-stack features from design through deployment and monitoring for servicing applications. Build front end (Next.js/React + NestJS GraphQL) and back end (.NET/C# and NestJS GraphQL), deploy on AWS/EKS with CI/CD, use AI tools to accelerate development, participate in code reviews, mentor junior engineers, and support on-call rotations to maintain production reliability.

Develop and maintain scalable, secure, highly available enterprise applications using Java, modern front-end technologies, AWS, and cloud-native services. Responsibilities include architecture and design, coding, testing, code reviews, performance engineering, application security, observability, production troubleshooting, continuous integration, and operational excellence. The role collaborates with product and business partners on roadmaps and technology direction while supporting resilient reporting and analytics platforms.

Staff Software Engineer responsible for building and operating Block’s card issuing platform at the network boundary. The role requires deep expertise in card networks, ISO 8583, authorization and clearing flows, certifications, mandates, and direct network connectivity. Responsibilities include writing production code, developing conformance tooling, debugging protocols, leading cross-team technical initiatives, influencing network requirements, mentoring engineers, supporting AI-assisted development, and participating in on-call operations for critical financial systems.

Develops, implements, tests, and supports manufacturing and business applications for plant operations. Responsibilities include maintaining MES, ERP integrations, databases, reports, automation tools, shop-floor systems, workstations, and industrial devices. Troubleshoots production-critical technology issues, provides user training, maintains documentation, and collaborates with Operations, Quality, Engineering, and Supply Chain teams. The role also supports continuous improvement, Lean Manufacturing, Industry 4.0, cybersecurity, system implementations, and operational technology reliability.

Develop and maintain commercial scientific visualization software in modern C++ on Windows. Build desktop features across backend engines and user interfaces, improve performance for large datasets, and expand automation, scripting, APIs, and system extensibility. Collaborate with product managers and engineers on architecture, feasibility, code reviews, technical debt, and cross-codebase initiatives while improving customer workflows and software quality.

The Staff Software Engineer will develop and execute technical strategies for Cash App Banking, lead architectural decisions, and mentor engineers, focusing on innovative financial solutions.

Administer and support enterprise database environments, including installation, configuration, upgrades, monitoring, performance tuning, security, backup and recovery. Troubleshoot database and data issues, support application developers, and contribute to database design and implementation. The role involves Oracle and open-source databases across Solaris, Linux, and Windows environments, with preferred experience in high availability, Oracle GoldenGate, Global Data Services, Enterprise Manager, MariaDB, CassandraDB, and security patching.