Top Software Engineer Jobs

Design, build, and operate backend systems for candidate-job matching, routing, scoring, and marketplace workflows. Develop high-throughput APIs, data models, real-time and async decisioning, and observability tools to ensure reliable, low-latency marketplace performance and scalable fulfillment.

The Senior Software Engineer will lead projects from inception to execution, write maintainable code, and enhance team culture while focusing on healthcare accessibility.

The Staff Software Engineer will lead technical discussions, drive complex feature implementation, mentor team members, and innovate using new technologies.

Design, build, test, and operate Gusto core customer-facing products across frontend and backend. Own multi-quarter projects, scale Ruby/Rails and JavaScript/React systems, mentor engineers, collaborate with product, data, design, and platform teams, and iterate on features that deliver measurable customer impact.

Lead architecture and delivery of Gusto's Commerce Platform (product catalog, promotion engine, subscription, entitlements). Partner with product, data science, and cross-functional teams to drive large, multi-quarter platform projects, ensure reliability and SLOs, mentor engineers, and promote AI-augmented development and platform adoption.

As a Senior Software Engineer on the Data Platform team, you'll enhance the data infrastructure, develop ETL pipelines, maintain data quality, collaborate across teams, and mentor junior engineers.

The Senior Software Engineer will enhance authorization response time in Mastercard's Transaction Switching program, focusing on performance testing and improvements in a collaborative Agile environment.

As a Fullstack Engineer, you'll design, build, and operate web applications, collaborating with product teams and mentoring peers while ensuring best practices in coding and system architecture.

Lead system-wide software architecture for an advanced airborne program spanning vehicle, ground station, and autonomy domains. Translate safety and security goals into technical requirements, drive cross-team API/data/fault-handling alignment, produce architecture artifacts, set governance and technical direction, mentor senior engineers, and support verification, compliance, and readiness evaluations for high-assurance, cyber-hardened airborne software.

Design and execute test strategies for flight-critical XBat software and systems. Develop test plans/procedures, run V&V and regression tests, analyze test data, troubleshoot issues, and collaborate with engineering, manufacturing, and program teams to ensure performance, reliability, and mission readiness.

Develop and maintain Python-based software for automating hardware tests, integrate results with manufacturing systems, build scalable test infrastructure and CI/CD pipelines, create monitoring/visualization (e.g., Grafana), and collaborate with hardware, systems, and QA teams to ensure reliable aircraft component validation.

Lead design and prototyping of generative AI experiences for autonomy development; drive UX for Hivemind products; perform user research, collaborate with CTO and product leads, and deliver reference implementations and integrations across full-stack web and edge systems.

Design and implement full‑stack, low‑latency web-based Ground Control Station and C2 systems (map-centric UIs, real-time telemetry, video streaming), lead architecture and APIs, mentor engineers, support field tests and mission deployments, and ensure interoperability with C2 standards.

Lead a regional Precious Metals and Agriculture front-office engineering team to design, build, and operate secure, scalable trading systems. Partner with trading, quant, sales, and middle office to deliver production-quality code, drive AI-assisted engineering adoption, enforce SDLC standards, mentor engineers, and collaborate across core technology and business teams.

Design and build end-to-end web and AI-powered dashboard features, scale cross-platform full-stack infrastructure, standardize product patterns, mentor engineers, lead cross-team technical projects, and collaborate with product and design to improve user workflows and AI adoption.

Responsible for scaling the consumer finance platform, improving API performance, integrating with third-party APIs, and enhancing user experience for millions of users.

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.

Own technically complex, mission-critical areas and define technical strategy for new products. Design and ship full‑stack, AI‑driven features end‑to‑end, build scalable data ingestion and API systems, partner with product/design/customer teams to translate ambiguous problems into measurable outcomes, mentor engineers, and raise engineering quality and standards across the organization.

Build and operate resilient, scalable services on an event-driven microservice platform. Responsibilities include solving business needs, developing AWS-based applications, creating metrics and alerts for service-level objectives, debugging production issues, participating in on-call support, and contributing to architectural decisions. The role requires Java or Go experience, cloud and distributed-systems knowledge, and the ability to deliver secure, fault-tolerant software.

Design, implement, and test distributed block and file storage services in C across Linux kernel, userspace, host, and DPU environments. Analyze production issues, resolve complex kernel and systems bugs, develop scalable storage solutions, and collaborate with networking teams, architects, and customers. The role involves defining software architecture for highly performant, scalable storage platforms and requires deep expertise in Linux, storage protocols, distributed systems, and operating-system internals.

Serve as the senior software development SME while performing full-stack Java web development and O&M activities. Guide developer teams, prioritize work, coordinate technical meetings, resolve issues, optimize processes, analyze requirements, estimate effort, review code, conduct testing, troubleshoot environments, create technical documentation, and implement software updates. The role requires extensive J2EE experience, SPA development, DevOps and CI/CD expertise, and active Public Trust/MBI clearance supporting an IRS Criminal Investigation system.

Design, build, test, review, and deploy production Java software while making architectural decisions and modernizing a legacy ERP platform. Lead and mentor local and overseas developers, establish distributed-team processes, and collaborate with product, QA, TechOps, and leadership. Own platform components through operational health, use AI coding assistants and agentic tools, improve integrations and workflows, and contribute to API, database, and modernization initiatives.

Modernize enterprise applications for cloud deployment by designing, developing, testing, and integrating software solutions. Manage cloud deployments, CI/CD pipelines, DevOps practices, Docker containers, and application performance optimization across AWS environments. Troubleshoot integration issues, coordinate implementation activities, maintain technical documentation, and collaborate with technical and non-technical stakeholders in an agile environment.

Develops software solutions using React and TypeScript, writes clean reusable code, contributes to major React projects, and uses Git for version control. The role supports a Navy customer in a digital transformation environment and may involve front-end and back-end technologies, Scrum practices, databases, and agile delivery. A US Secret security clearance must be obtainable.

Develop end-to-end full-stack software solutions in an Agile environment, from system vision through production. Responsibilities include architecture and technical design, front-end and back-end development, system improvement, automation, requirements analysis, and solving complex client challenges within cross-functional teams. The role may involve leading engineering teams, using modern development tools, and supporting classified projects requiring Secret clearance eligibility.