Top Software Engineer Jobs

Build and own growth products and infrastructure driving customer acquisition, activation, and retention. Develop sign-up flows, referral experiences, experimentation systems, analytics, and data pipelines. Ship tests, analyze results, identify opportunities, and make product decisions using customer data while maintaining clarity, trust, and brand quality.

Build and own growth products and infrastructure for customer acquisition, activation, and retention. Develop and ship experiments across sign-up, referral, onboarding, and paid acquisition experiences; analyze results to guide iteration; and create reliable experimentation and data pipeline infrastructure. The role requires strong product judgment, full-stack engineering ability, ownership, and comfort working in a fast-moving startup environment.

Build and extend backend-focused web application features, design core product functionality, solve scaling challenges, review code and technical designs, own major product areas, and mentor, interview, onboard, and coach engineers. The role partners closely with founding leadership in a fast-paced fintech startup and requires hands-on experience with production Python and modern JavaScript codebases.

Develops, maintains, and modernizes Penn Vet’s B2B eCommerce website across front-end and back-end systems. Responsibilities include building scalable web applications, APIs, databases, and server-side functionality; administering Linux and enterprise Java platforms; implementing security practices; supporting legacy systems; reviewing code; and collaborating with technical and business stakeholders. The role may be remote, hybrid, or onsite and may require work outside normal hours for deployments and system maintenance.

Develop reliable full-stack software and applications supporting SpaceX launch operations, manufacturing, Starlink, and other mission-critical systems. Responsibilities include prototyping, system and product development, user-focused problem solving, architecture, design, coding, testing, deployment, monitoring, and performance optimization. The role requires onsite work, extended hours when needed, and collaboration across engineering teams.

Senior Software Engineer responsible for maintaining legacy .NET and SQL Server applications while building Go and React microservices on AWS. The role spans full-stack debugging, distributed-systems design, cloud migration, observability, deployment patterns, AI-assisted development, documentation, stakeholder communication, and mentoring. The engineer will work across multiple projects and help modernize the company’s property tax technology platform.

Develops full-stack, embedded, scientific, web, machine learning, and AI software solutions. Responsibilities include software design, coding, testing, documentation, performance improvement, access control, lifecycle management, requirements decomposition, status reporting, and collaboration on cybersecurity projects. The role works under technical leadership and supports government and private industry customers.

Develop, maintain, enhance, test, integrate, and troubleshoot scalable Java applications using Spring technologies. Work with Linux, scripting, SQL and NoSQL databases, containers, Kubernetes, Helm, messaging systems, CI/CD, infrastructure automation, and Git. Collaborate cross-functionally to ensure reliability, performance, security, and integration across complex mission-focused environments.

Build and productionize quantitative trading tools, energy-market models, analytics, dashboards, and data pipelines. Collaborate with traders, quants, and engineers on signal research, backtesting, risk and pricing integrations, time-series data storage, visualization, monitoring, testing, and documentation. The role requires strong Python and quantitative skills, experience with financial or commodities data, and familiarity with modern data and software engineering tools.

Develop and maintain Java-based refrigeration control applications within the Tridium Niagara Framework. Responsibilities include translating engineering requirements into software, testing and troubleshooting applications in a lab, improving performance and reliability, deploying development tools and processes, and collaborating in Agile or Waterfall environments. The role requires specialized knowledge of grocery-store refrigeration systems, including trans-critical CO2 systems.

Develop and maintain full-stack applications for an agentic AI platform, including responsive front ends, REST backend services, AI-agent integrations, AWS cloud infrastructure, and Infrastructure as Code. Collaborate with AI/ML engineers and product owners, support testing and performance optimization, document systems and APIs, and mentor junior developers. The role is remote within the United States and requires eligibility for a Secret clearance and completion of CompTIA Security+ within 270 days.

Develop and maintain full-stack applications for an agentic AI platform, including responsive front ends, RESTful backend services, AI agent integrations, AWS cloud infrastructure, and Infrastructure as Code. Collaborate with AI/ML engineers and product owners, optimize and test platform components, document architectures and APIs, and mentor junior developers. The role is remote within the United States and requires U.S. citizenship and eligibility for a Secret clearance.

Develop, deploy, maintain, and test JTAPS software within an agile team. Responsibilities include understanding requirements, writing clean and performant code, researching software advancements, documenting work, communicating with teammates, and solving challenging technical problems. The role supports defense-related software systems and offers mentorship from mid- and senior-level engineers.

Develop and maintain software for Gun Fire Control and weapon systems within an Agile environment. Responsibilities include design, coding, testing, integration, pipeline management, debugging, data analysis, peer reviews, release reviews, and collaboration with cross-functional teams. The role requires Department of Defense software engineering experience, weapons-system support, C++ or Python development, containerization, Linux, debugging and networking tools, and eligibility for an active Secret clearance.

Develop and maintain Java-based refrigeration control applications within the Tridium Niagara Framework. Responsibilities include application development, testing, troubleshooting, lab setup, deployment, and lifecycle improvements. The engineer will collaborate in Agile or Waterfall environments to improve software performance, reliability, and efficiency for commercial refrigeration systems, including trans-critical CO2 systems.

Build and deliver full-stack enterprise software using C# services, React and Next.js front ends, and Microsoft SQL Server. Responsibilities include writing tested code, reviewing AI-generated output, creating REST APIs, troubleshooting defects, contributing to CI/CD, documenting systems, and participating in code reviews. The role also includes limited work on legacy C++ and C# Windows applications, with mentorship and collaboration across Product, QA, and engineering teams.

Build and operate full-stack payment and expense management capabilities across web, mobile, backend services, APIs, and partner integrations. Responsibilities include designing scalable systems, implementing payment workflows, developing REST APIs, writing production code, testing, monitoring, troubleshooting, reviewing code, and supporting secure deployments. Collaborate with Product, Design, Security, and distributed engineering teams while owning technical outcomes through continuous improvement.

Build and operate full-stack capabilities for WEX’s fleet payments and expense management platform. Develop web and mobile features, backend services, APIs, data models, payment workflows, and partner integrations. Translate product requirements into technical designs, write and review production code, implement automated testing and observability, and ensure secure, reliable, scalable services. Collaborate with Product, Design, Security, and engineering teams while owning technical outcomes from implementation through deployment and continuous improvement.

Design, develop, test, and operate distributed systems supporting Snowflake’s continuous integration platform. Build scalable CI services, APIs, automation, and developer tooling that improve build reliability, test execution, productivity, and delivery velocity. Investigate infrastructure and workflow issues, contribute to architecture and production support, and improve performance, reliability, security, and maintainability while collaborating with engineering teams across Snowflake.

Develops, tests, supports, and maintains scalable web applications and software components across front-end and back-end technology stacks. Partners with Product Management to design solutions, contributes to Agile planning and architecture, troubleshoots deployed products, reduces technical debt, and provides technical guidance to less experienced engineers.

Develop and maintain responsive web applications for intelligence mission systems using modern JavaScript frameworks. Integrate front ends with REST APIs and backend services, build reusable components, optimize performance, test and debug applications, and participate in DevSecOps, CI/CD, Agile ceremonies, and cross-functional delivery. The role requires collaboration with engineers, product owners, testers, and mission users to deliver secure, scalable software capabilities.

Design and develop highly available, fault-tolerant distributed edge computing platforms using Go, Kubernetes, microservices, and cloud technologies. Build scalable APIs, troubleshoot complex systems, conduct code reviews, optimize performance and security, collaborate cross-functionally, mentor engineers, contribute to planning, and maintain technical documentation.

Build and maintain a full-stack AI-native CRM and Sales Co-Pilot: implement features, integrate ERPs, email/telephony, develop GraphQL APIs, deploy to Kubernetes, and integrate LLM-driven automation.

Develop Swift and SwiftUI applications for iPhone, iPad, macOS, and emerging Apple platforms. Work with Xcode, Git, APIs, databases, networking, testing, debugging, documentation, and code reviews. Learn visionOS, RealityKit, ARKit, RoomPlan, spatial computing, AI, machine learning, 3D visualization, LiDAR, and offline computing. Collaborate with senior engineers and leadership while progressively owning application features.

Develop and maintain medical device software using C++, Qt, and QML. Responsibilities include designing desktop applications, conducting code reviews, debugging, testing, documenting regulated software systems, defining requirements, and supporting products throughout the full development lifecycle. The role uses Agile methodologies, contributes to product planning and release activities, provides engineering support, and mentors or coordinates the work of other engineers.