Top Senior Software Engineer Jobs

Leads architecture, design, and hands-on development for scalable backend APIs and interoperability services. Sets engineering standards, drives cross-team technical initiatives, mentors engineers, reviews code and designs, manages technical risks, and partners with engineering leadership on roadmaps. The role focuses on distributed systems, authentication, cloud SaaS, API integrations, and standards such as FHIR, while contributing production code and fostering collaboration.

Develop and lead scalable enterprise applications for the Tech 360 technology reporting platform. Responsibilities include building REST APIs, web applications, ETL solutions, databases, microservices, and cloud-native systems; implementing Kubernetes, container, and CI/CD solutions; defining integrations and access controls; mentoring engineers; and supporting Agile delivery, security, risk, and regulatory standards.

Leads development of the Tech 360 enterprise reporting platform. Designs scalable applications, REST APIs, web applications, ETL solutions, databases, microservices, cloud-native deployments, and CI/CD pipelines. Partners with architecture and security teams on integrations and access controls, mentors engineers, and contributes to Agile delivery. The role also supports executive reporting, data visualization, risk controls, regulatory standards, and engineering best practices.

Build and maintain Gravitee’s API management and AI gateway platform across Java backend services, gateway runtime, management APIs, and TypeScript/Angular interfaces. Develop API security, policies, observability views, data models, automated tests, and production-ready features. Support customer escalations through L3/L4 pager duty, collaborate across international teams, and apply AI-assisted development practices. The role requires full-stack ownership from technical design through release and iteration.

Provides hands-on technical leadership across architecture, infrastructure, backend services, APIs, ML systems, and product development. Partners with the CTO on technical direction, leads design and code reviews, mentors engineers, improves reliability and scalability, and works with customers to translate requirements into solutions. The role requires substantial production software engineering experience, cloud infrastructure expertise, and the ability to guide a growing engineering team without direct management responsibility.

Architect and operate large-scale data pipelines that power startup, people, and investment intelligence. Own data quality, discover new data sources, and advance extraction and reconciliation through LLM-powered agentic workflows and evaluations. Work across backend systems, databases, search indices, and GraphQL APIs to deliver customer-facing data products and features, collaborating with GTM, Product, and Design.

Build and improve Harmonic’s frontend platform for reliability, performance, scalability, and developer productivity. Responsibilities include resolving production issues, optimizing large-data rendering and bundles, implementing monitoring and observability, establishing testing strategies, creating reusable abstractions, driving technical migrations, making architecture decisions, and mentoring engineers.

Build and own customer-facing full-stack features end to end, with an emphasis on backend systems, data pipelines, scalability, performance, and observability. Collaborate with Design, Product, and GTM to ship, measure, and iteratively improve products. The role involves developing startup intelligence, deal management, or ecosystem integrations while balancing technical, product, and organizational tradeoffs.

Lead the architecture and technical direction of Alpaca’s margin and risk systems across equities, options, crypto, and future asset classes. Design low-latency, high-throughput services for margin calculation, real-time risk enforcement, exposure limits, margin calls, and operational workflows. Drive reliability, correctness, transactional integrity, observability, incident prevention, technical reviews, mentorship, and cross-functional integration with product, brokerage operations, compliance, and engineering teams.

Build a zero-to-one fullstack product for Remitly Business, design secure scalable frontend and backend systems, set technical standards, lead and decompose team projects, mentor engineers, ensure reliability and observability, and collaborate cross-functionally. Hybrid role based in Seattle.

Design and own large-scale simulation evaluation pipelines and metrics to validate autonomous driving software. Lead cross-functional integration, invent methodologies to quantify simulation trustworthiness, drive technical roadmaps, and present results via dashboards to inform release and safety decisions.

Design, implement, and optimize large-scale autonomous vehicle simulation testing pipelines and shared libraries. Build automation for test creation, data collection/analysis, debugging, and monitoring. Integrate AI tools to automate test generation and analytics, lead technical roadmaps, perform code reviews, and mentor engineers to improve AV behavior validation and deployment.

Design, build, and operate backend Go services and smart contracts that mint, burn, bridge, and reconcile wrapped assets across multiple chains. Own end-to-end delivery from smart contract deployment through API design, SLOs, and production rollout. Drive asset migration pipeline improvements, run on-call operations, build observability and runbooks, and mentor junior engineers.

Design and deliver blockchain network infrastructure and platform APIs, lead multi-quarter initiatives (chain integrations, re-architecture, data migrations), define APIs/SLOs/observability and on-call ownership, ship SDKs and platform primitives, establish data contracts, and simplify cross-chain operations to enable analytics, ML, and data engineering teams.

Leads the architecture, roadmap, and hands-on development of fleet management, robotics data management, orchestration, control, and MES software. Serves as the team’s senior technical authority, making system design decisions, resolving complex engineering challenges, mentoring engineers, driving coding and architecture standards, managing technical risk, and collaborating across robotics, firmware, hardware, and software teams.

Leads architecture and development of fleet management, robotics data management, and MES software. Builds C++ and Python systems for robotic station monitoring, configuration, telemetry, logging, and results tracking. Sets technical direction for distributed automation integrations, mentors engineers, drives code quality and testing, manages builds and dependencies, and collaborates across robotics, firmware, hardware, and software teams.

Develop and maintain high-fidelity, real-time simulation software for SpaceX vehicles. Build core simulation infrastructure, prototype design concepts, improve reliability and performance, and collaborate with engineering teams and simulation users. The role requires strong C++ development, software design, debugging, optimization, unit testing, and knowledge of distributed systems, networking, memory management, CPU scheduling, physics, and mathematics. Employees may need to work extended hours and weekends when necessary.

Develop and maintain high-fidelity, real-time C++ simulation software for SpaceX flight systems and vehicles. Build simulation infrastructure and physics models, prototype designs, improve performance and reliability, and collaborate with engineering teams and simulation users to deliver new capabilities. The role requires strong software development, debugging, optimization, testing, distributed systems, networking, memory management, and physics knowledge.

Design, build, and maintain full-stack web and API solutions using React, TypeScript, Node.js, and GraphQL. Lead architecture and DevOps efforts, improve CI/CD and observability, mentor engineers, collaborate with product and design, and ensure security, performance, scalability, and reliability. Troubleshoot issues, create technical documentation and diagrams, and continuously improve developer experience and engineering standards.

Build and scale backend and full-stack systems powering patient booking, clinician routing, logistics, and device integrations. Own 0->1 projects, design APIs and data models, solve scheduling and dispatch challenges, integrate external health systems, and collaborate with product, data, ops, and clinical teams.

Build and scale backend and full‑stack systems powering patient booking, clinician routing, logistics, and device integrations. Ship end-to-end features, design APIs and data models, solve scheduling/dispatch challenges, integrate with external health systems and medical devices, and own projects from 0→1 while collaborating with product, data, ops, and clinical teams.

Design and build AI-centric full‑stack TypeScript web applications (SPAs and APIs). Collaborate on product and architecture, own technical decisions, mentor peers, perform code reviews, and manage project priorities and deliverables.

Develop full-stack, user-facing software for distributed autonomous maritime systems. Build real-time data platforms, visualization tools, command-and-control interfaces, external integrations, and cloud-to-embedded system features. Own major engineering projects, make technical architecture decisions, collaborate across hardware and autonomy teams, gather user feedback, mentor engineers, and support software operating in controlled or classified environments.

Develop backend services and APIs for fraud detection, risk scoring, transaction monitoring, and compliance automation. Lead technical initiatives, testing strategy, CI/CD integration, observability, incident management, and root-cause analysis. Build intelligent automated testing frameworks and production-grade financial software using .NET, C#, Azure, SQL Server, REST APIs, and microservices. Collaborate with InfoSec, Data Science, Compliance, and business stakeholders while mentoring junior engineers.

Lead architecture and implementation of Zocdoc's interoperability platform integrating 170+ EHRs. Drive a rearchitecture for real-time, fail-fast syncs, design abstractions/APIs for other teams, ship production code, mentor engineers, and influence product and technical strategy to improve reliability, scalability, and developer productivity across the integration stack.