Top Senior Software Engineer Jobs

Build and maintain full-stack Finance and Business Systems with Ruby on Rails. Own architecture, coding, automated tests, DB tuning, deployments, and production support. Partner with Finance, Operations, and Engineering to create auditable, correct, and actionable unit-economics instrumentation. Participate in on-call rotation, hiring, and documentation.

Hands-on technical leader driving full-stack design, development, and delivery across small engineering teams. Leads architecture and technical decisions, decomposes features, reviews code, and resolves production issues. Builds React/TypeScript web, Flutter/Dart mobile, Python/Node.js backends, serverless AWS architectures, CI/CD and IaC. Rapidly prototypes with GenAI tools, mentors engineers, and ensures production readiness through observability and testing.

Design, develop, and operate cloud-native microservices to migrate legacy mainframe functionality into AWS GovCloud. Build scalable, event-driven systems using Java, Kubernetes, GitOps, and streaming technologies. Support production operations, participate in Agile ceremonies, troubleshoot incidents, and join a rotating on-call schedule to ensure system reliability.

Lead design and implementation of secure, scalable backend applications; maintain and troubleshoot existing systems; drive feature development; mentor junior engineers; perform code reviews; collaborate with cross-functional teams; contribute to architecture and documentation.

Responsible for software development using various languages, managing lifecycle tasks, collaborating with teams, and ensuring effective deployment and performance of semiconductor tool control software.

The Senior Software Engineer will build robust, high-throughput systems and work on trading APIs or matching engines, emphasizing code quality and collaboration.

The Senior Software Engineer will design and implement the core trading infrastructure, APIs, real-time surveillance systems, and contribute to team standards while mentoring new hires and collaborating with cross-functional teams.

Design and implement Java-based enterprise application features across the full SDLC. Collaborate with architects and stakeholders, participate in Agile/Scrum, perform code reviews, troubleshoot production issues, and mentor delivery team members.

As a Senior Software Engineer, you'll design systems, develop APIs, maintain high-quality code, troubleshoot issues, and collaborate on projects while optionally mentoring a small team.

Design, build, test, and deploy features for high-traffic web applications across multiple sports reference sites. Work full-stack on CI/CD pipelines and data ingestion, own features/systems, triage production issues, mentor peers, and contribute to technical planning and security/compliance improvements.

Lead design, development, testing, deployment, and support of cloud-based software products. Provide technical leadership and mentorship, translate feature requirements into implementation tasks, ensure quality (tests, performance, security), resolve technical risks and defects, and collaborate with stakeholders to deliver scalable microservices and AI-integrated features.

Design and architect cloud-first, full-stack, scalable SaaS products; provide technical leadership, mentor engineers, promote automated testing and CI/CD, integrate AI/ML features (LLM/RAG), ensure observability and security, and collaborate with product, operations, and support.

The Staff Software Engineer will lead complex projects, define technology strategies, mentor engineers, and collaborate across departments to enhance Sydecar's core product.

The role involves optimizing CUDA kernels for geometric neural networks, building interfaces for PyTorch and JAX, and collaborating with research teams to develop GPU-accelerated software for scientific applications.

Expert-level software engineer responsible for writing secure, resilient code, coaching peers, reviewing designs and pull requests, ensuring SDLC compliance, driving testing and performance practices, contributing architecture feedback, liaising with stakeholders, and maintaining regulatory and internal control standards.

The Senior Software Engineer will design and implement scalable backend services, strengthen DevOps workflows, and enhance observability for AI-enabled educational tools.

Design and develop cloud-connected intelligent-edge software solutions. Translate system architectures into implementations, build APIs and cloud deployments, package containers for Kubernetes, write tests, implement observability, mentor junior engineers, troubleshoot and integrate features, and collaborate with cross-functional teams to support product development life cycle.

Build and scale a global payments and treasury platform: design and implement resilient, event-driven microservices, client-facing APIs, and distributed systems; work with cloud infrastructure, container orchestration, message brokers, and relational databases to support high-volume money movement and financial ledgers.

The Staff Software Engineer will lead AI integration into software design, develop scalable systems, and mentor other engineers while improving best practices.

As a Senior Software Engineer, you will design and implement scalable APIs, solve complex technical issues, and mentor junior developers, impacting robotics technology.

Develop and maintain real-time video processing software as part of a team. Research new features, ensure product deployment, and maintain audio/video efficiency.

Lead development of new AI-native outbound products from zero to one, shape product and engineering roadmap, build scalable systems using modern infra and LLMs, mentor engineers, and establish engineering standards to support company growth.

Lead scaling of the core backend platform, set technical vision and engineering standards, integrate third-party APIs and model-serving platforms, ensure Postgres performance and reliability for multi‑TB clusters, and mentor or manage engineers while driving the technical roadmap and platform reliability.

Design, build, and modernize cloud-native systems to automate Arrowstreet's systematic investment processes. Provide technical leadership, mentor engineers, migrate legacy systems to containerized/serverless platforms, optimize data flows for performance and resiliency, automate testing and deployment, and support production incidents with urgency while collaborating with business and technology stakeholders.

Design and implement modern C++ backend systems for vehicle telemetry, state management, and low-latency communication. Architect safety-critical protocols and workflows, optimize performance in highly concurrent systems, collaborate with autonomy and platform teams and vendors, and perform on-vehicle testing and metric analysis to improve latency, throughput, and reliability.