Top Software Engineer Jobs

Principal Mobile Software Engineer responsible for designing, developing, testing, debugging, and architecting complex mobile and software systems. Leads Agile development teams, reviews code, guides technical strategy, evaluates technologies, and ensures reliable, scalable delivery. The role includes mentoring engineers, establishing development standards, supporting infrastructure deployment, managing testing, and serving as a mobile engineering subject matter expert. Preferred experience includes React Native, cloud platforms, mobile security, CI/CD, app store delivery, Firebase, backend APIs, monitoring, and incident response.

Build full-stack research tools for creating, reviewing, submitting, and monitoring reinforcement-learning environments and tasks. Own review and acceptance workflows, rollout and transcript inspection, quality signals, versioning, catalog experiences, and self-service authoring interfaces. Collaborate with researchers, vendors, and domain experts to improve training-data quality and accelerate the path from task ideas to trusted training data.

Paid onsite software engineering internship developing backend and API products. Responsibilities include writing clean, efficient code; debugging and resolving root causes; testing and validating software; automating tasks with tools and scripting; and collaborating with software engineers. The role runs from January through mid-August 2027 and requires at least 15 hours per week during winter and spring terms, with additional summer hours available.

Develop and own reliable internal applications used across SpaceX, including manufacturing, launch, Starlink, and data systems. Responsibilities include designing software, building prototypes, solving user problems, contributing to architecture and code reviews, and managing testing, deployment, monitoring, and performance. The role requires full-stack development and onsite work, with possible extended hours based on launch schedules.

Leads software engineering teams and technology strategy for fixed income broker-dealer platforms. Oversees trade capture, order management, settlement, inventory, securities financing, regulatory reporting, platform modernization, architecture, integrations, operational resilience, and risk controls. Partners with front-office, operations, risk, compliance, vendors, and executives to deliver scalable, compliant technology solutions while managing distributed teams and transformation initiatives.

Build and operate a self-service calibration platform for autonomous vehicle fleets. Responsibilities include onboarding vehicle types, debugging cloud and vehicle systems, orchestrating calibration workflows, creating automated data-health gates for sensor data, developing production tooling, and coordinating systemic reliability improvements across teams. The role requires strong Python and modern C++, cloud workflow orchestration, CI/CD, containerization, large-scale data pipelines, sensor and robotics knowledge, and experience with physical systems or hardware-in-the-loop.

Build Ficus’s core payout infrastructure from the ground up, including beneficiary onboarding, account and payout workflows, internal tools, secure backend systems, and financial integrations. Own architecture and product decisions across frontend, backend, infrastructure, APIs, data models, security, observability, and compliance readiness. Collaborate directly with founders, customers, insurers, banks, vendors, and nontechnical stakeholders while translating ambiguous regulated-finance workflows into reliable products.

Lead engineering ownership of an acquired consumer VPN product from due diligence through integration, stabilization, and growth. Manage and coach engineers while remaining hands-on with Kotlin, Swift, Go, architecture, operations, security, and production incidents. Establish testing, CI/CD, infrastructure, documentation, and compliance practices; partner with product, corporate development, marketing, and operations; and create a repeatable engineering playbook for future acquisitions.

Own and scale production backend systems using Ruby on Rails, PostgreSQL, Sidekiq, APIs, microservices, queues, and distributed architectures. Diagnose and improve reliability, security, performance, observability, testing, and deployment practices. Integrate third-party services, collaborate with product, data, design, and frontend teams, and modernize inherited systems while maintaining delivery speed. The role requires strong production ownership, pragmatic technical judgment, and comfort working remotely in a fast-moving startup.

Build backend systems for Stripe’s Intelligent Commerce team. The provided description contains no detailed responsibilities, minimum requirements, preferred qualifications, technologies, compensation, travel, or clearance information.

Develop and maintain SAP CRM applications using ABAP and SAP Web UI. Analyze systems, gather requirements, design enhancements, code, test, document, and support the full software development lifecycle. Integrate SAP applications with external systems using OData and RESTful APIs, work with Oracle databases, and coordinate multiple priorities. English and Korean bilingual proficiency is required.

Develop and maintain commercial Android and iOS applications across the full software development lifecycle. Responsibilities include requirements analysis, interface design, coding, testing, documentation, app deployment, store releases, REST API integration, push notifications, data storage, and application lifecycle management. The role requires extensive experience with Java, Objective-C, Android Studio, Xcode, enterprise iOS distribution, Apple provisioning, MDM deployment, and troubleshooting signing issues. Korean-English bilingual ability is preferred.