Top Software Engineer Jobs

Architect and build Springcraft’s full-stack developer platform for physical AI, including an IDE, 3D browser tools, hardware APIs, telemetry, cloud infrastructure, user accounts, community content, deployment, monitoring, security, and documentation. Collaborate with mechatronics and AI engineers to integrate hardware capabilities and AI features.

Join as a founding full-stack engineer to write clean, maintainable code, own production services and on-call responsibilities, build and operate hardened infrastructure at scale, leverage AI tools while retaining deep stack knowledge, and investigate complex technical unknowns.

Build and maintain backend applications and components powering Chariot’s identity and payment platform. Design APIs and scalable systems, establish engineering standards, improve monitoring and alerting, generate technology initiatives, and collaborate directly with founders and product teams. Own projects from inception through delivery within an Agile/Scrum environment while contributing to product decisions and maintaining secure, high-quality systems.

Develop highly deterministic C++ software for automated aviation systems. Responsibilities include implementing unit tests, working with flight hardware, and ensuring system robustness.

Lead design and implementation of software architecture, CI/CD, and secure cloud/on-prem solutions. Guide agile lifecycle, mentor engineers, support verification/troubleshooting, integrate Cross Domain Solutions, and ensure compliance with ATO and satellite system constraints. Travel ~10% annually.

Design, build, and optimize nanosecond-level trading systems in C++; co-design the hot path with FPGA engineers; integrate machine learning signals into production trading; own architecture through live production while keeping code simple, clear, and maintainable; collaborate closely with researchers and hardware teams.

Full-stack Software Engineer contributing to Java backend and React frontend development. Participate in design and code reviews, write secure performant code, unit test, support CI, work on Agile Scrum teams, track work in JIRA, and collaborate with product to deliver high-quality deployments.

Develop, integrate, test, and maintain software for automated space payloads, facilities, and mission operations. Build backend services, APIs, databases, automation tools, and user interfaces in Python; interface with hardware, robotics, scientific instruments, and control systems. Collaborate across engineering disciplines, support mission integration and troubleshooting, document designs, and participate in reviews. More experienced engineers may lead technical efforts, mentor teammates, and shape software standards.

Leads a team of software engineers delivering scalable, resilient applications for healthcare payments. Responsibilities include end-to-end product delivery, architecture and system design, technical mentorship, .NET/C# development, SQL optimization, testing, operational stability, and SDLC execution. The role also drives responsible use of AI-assisted engineering tools, automation, security, agile practices, vendor evaluations, and cross-functional roadmap planning within a financial services environment.

Leads development of secure, scalable, cloud-native software platforms and distributed services. Designs systems, writes and reviews production code, supports cloud migrations, and improves reliability through testing, operations, observability, and infrastructure as code. Drives adoption and governance of AI-assisted engineering practices, validates AI outputs for security and correctness, mentors engineers, and influences architecture and delivery practices across teams.

Leads full-stack software development from architecture through production, overseeing a development team and guiding adoption of tools and techniques. Designs end-to-end solutions, evaluates system improvements, and ensures compatibility with current architecture and future enhancements. Works in Agile environments using Scrum or Kanban and develops software for custom-designed systems. Requires Secret clearance and may involve driver software or real-time operating systems.

Develop and lead software engineering activities across the software development lifecycle. Responsibilities include designing, developing, testing, and implementing full-stack software systems; contributing to Agile teams; solving complex technical challenges; supporting DevSecOps and CI/CD automation; collaborating with stakeholders; and communicating project progress. The role may support future opportunities and requires eligibility for a U.S. Government Top Secret clearance.

Design, develop, test, deploy, and support enterprise full-stack applications using React, Java/Spring Boot, and Python. Build secure APIs, microservices, integrations, chatbot interfaces, and cloud-native solutions. Work with Azure or AWS, Docker, Kubernetes, CI/CD pipelines, databases, messaging systems, and enterprise security practices. Collaborate in agile teams, participate in architecture discussions, refine requirements, conduct code reviews, and maintain quality through automated testing. Experience integrating AI or generative AI solutions is preferred.

Develop and support full-stack enterprise applications for legal operations, matter management, document management, compliance, and business process automation. Build React frontends, Java and Spring Boot microservices, REST APIs, event-driven integrations, and cloud-native solutions. Work with databases, Docker, Kubernetes, Azure, AWS, CI/CD, monitoring, security, production support, and Agile delivery while collaborating with legal, compliance, product, architecture, and engineering teams.

Build and maintain backend services and foundational platform infrastructure for Streamline. Lead production migrations, architectural improvements, performance optimization, deployment, monitoring, and reliability efforts. The role requires end-to-end ownership of complex technical problems, strong backend and distributed-systems expertise, and close collaboration with a small engineering team to shape scalable platform architecture.

Develop and maintain secure, scalable Entrust Issuance applications using Java, Spring, React, and modern web technologies. Responsibilities include architecture, coding, testing, debugging, performance tuning, code reviews, threat modeling, CI/CD automation, troubleshooting, documentation, and Agile planning. The developer will collaborate across teams, work independently, and help evolve cloud architecture for scalability and faster product delivery.

Design, build, test, and operate scalable software services for Expedia's lodging inventory platform. Own complex components, contribute to architecture and API design, troubleshoot distributed systems, improve reliability through monitoring and automation, and collaborate across engineering and product teams. Apply Kotlin, functional programming, SQL, NoSQL databases, cloud technologies, CI/CD, and AI/ML-enabled solutions to deliver secure, high-availability systems.

Leads architecture and hands-on development of scalable Python and Java distributed systems, ML platforms, and agentic AI services. Productionizes machine-learning models, builds resilient microservices and reusable platform components, establishes monitoring and governance, and guides responsible AI-assisted engineering adoption. Partners with technical and business stakeholders while mentoring developers and managing delivery across teams.

Build and scale backend-focused systems supporting truckload freight operations, including high-volume carrier quotes, automated transactions, distributed services, and APIs. Design scalable data models and architectures, contribute across the React and TypeScript stack, make key technical decisions, mentor engineers, and collaborate with product leadership. The role also involves developing AI-powered logistics tools and maintaining reliable, secure infrastructure on Kubernetes and GCP.

Leads a small team developing and testing modern C++ software and mathematical algorithms for missile tracking and interception. Responsibilities include analyzing tracking and state-estimation performance, building Python analysis tools, resolving algorithm defects, documenting designs, supporting customer presentations, and mentoring team members. The role requires active Secret clearance, the ability to obtain Top Secret clearance, prior C++ development, and willingness to travel 10%.

Develops end-to-end automation applications, services, user interfaces, databases, and workflows in a complex enterprise environment. Responsibilities include .NET full-stack development, microservices, API integrations, database design, testing, CI/CD, deployment, security compliance, SDLC participation, user support, and defect resolution. The role collaborates with business analysts, architects, and stakeholders to translate requirements into technical solutions and serves as a subject matter expert.

Join Azure PostgreSQL to design, implement, and test features in a relational database engine (query processing, logging, storage, IO, scale-out). Collaborate with stakeholders, write maintainable code, define test plans, operate live services (on-call), and contribute to open-source PostgreSQL and Linux.

Develop and maintain Java web applications that interact with databases. Responsibilities include gathering requirements, writing Java and SQL code, optimizing database queries, supporting backend development and data integration, applying Agile and software development best practices, and collaborating with technical teams to deliver quality code.

Develop and maintain PHP-based web applications, including new custom applications and modifications to existing systems. Responsibilities include designing, testing, production support, SQL query analysis, version control, RESTful services, database integration, documentation, and collaboration with management and operations. The role requires PHP and web development proficiency, familiarity with multiple databases, strong communication, analytical and problem-solving skills, and a bachelor's degree in a relevant field.

Develop core payment interfaces and backend systems for Substack. Own projects from product concept through implementation, experimentation, and measurement. Build payment processor integrations, payout systems, subscription flows, and features such as gift subscriptions using TypeScript, Node/Express, React, PostgreSQL, and Stripe.