Top Software Engineer Jobs

Design, implement, and deploy scalable, highly available software solutions. Provide technical leadership, mentor engineers, influence architecture and technology decisions, evaluate and apply technology strategies, produce technical documentation, and drive engineering projects to meet quality and business goals.

Lead evolution of frontend foundations: improve React/TypeScript/Vite infrastructure, developer automation, testing and CI/CD pipelines, observability, and platform tooling to accelerate product teams and developer experience.

Lead design and implement high-quality production code for distributed filesystems and microservice multi-tenant SaaS. Mentor engineers, perform code reviews, troubleshoot production issues, participate in on-call rotation, and collaborate cross-functionally to improve scalability, availability, and system robustness.

Develop and maintain cloud-native web applications and APIs for forensic data processing. Build front-end interfaces with modern JavaScript/TypeScript frameworks, implement backend microservices, manage databases, containerize services, and deploy via CI/CD. Ensure security, monitoring, and integration across AWS and partner systems while working in an Agile/Scrum environment on classified projects requiring TS/SCI + Poly.

Develop responsive user-facing applications (JavaScript, Unity, etc.), integrate with back-end services, follow full SDLC in Agile/Scrum, contribute features and fixes, write documentation and APIs, and collaborate with cross-functional teams.

Design, implement, and ship end-to-end features across backend services and a React web client for a multi-tenant ERP. Own schema design, migrations respecting row-level security, integrations with platform services, and deliver high-quality, performant code with CI/CD, tests, and code review. Leverage AI coding assistants responsibly and collaborate cross-functionally to evolve shared platform libraries and developer tooling.

Build and maintain marketing and growth infrastructure: landing pages, A/B testing, CMS, event instrumentation and attribution, lifecycle CRM journeys, and SEO/AEO improvements. Partner with marketing, design, and data to ship, measure, and iterate features, using AI tooling to accelerate delivery.

Design, build, deploy, monitor, and maintain scalable software in an Agile/scrum team. Write readable, efficient code, participate in code reviews, collaborate on best practices, and apply modern software design and database concepts. Learn new technologies and contribute to continuous improvement.

Develop backend components for signal acquisition and processing software for wearable physiological sensors. Design and implement APIs, data management strategies, drivers for custom PC peripherals, and integrate/test software components to translate research concepts into products.

Build and maintain core infrastructure for 24/7 crypto trading: real-time data pipelines, P&L reconciliation, risk calculations, cross-exchange asset management, and trader-facing monitoring and tooling. Integrate with crypto exchanges, normalize market data, reconcile positions, and collaborate with traders to design scalable, highly available systems.

Lead software development and integration of routers, radios, and laser comms for spacecraft constellations. Manage suppliers, define KPIs, plan integrations and tests, develop simulation/test approaches, drive software development standards, and coordinate cross-functional teams to meet program milestones and security requirements.

Design and implement internal full-stack web applications and services (frontend, backend, APIs, and databases). Build CI/CD pipelines and automated test suites, perform code reviews, analyze operational metrics, collaborate with product stakeholders, and own medium-to-large projects end-to-end. Develop AI-assisted internal tools in Python using LLMs and RAG to improve productivity and automation.

Contract 6-month full‑stack role building and shipping web applications. Develop UIs in React, back-end services in Python/Ruby/Node, work with SQL, collaborate with engineers, data scientists and product managers, review/debug code, follow best practices, prototype solutions, and integrate AI/ML tools.

Develop and maintain banking applications under senior guidance: write clean code, participate in testing and support rotation, document solutions, collaborate with cross-functional teams, and expand technical and banking knowledge.

Lead full‑stack development of web applications using C#, ASP.NET (Web Forms or MVC), HTML, CSS, and JavaScript libraries. Code, test, integrate, and document solutions; mentor teams; design complex systems; work with databases (preferred MongoDB) and deploy to web servers (preferred IIS).

Collaborate with stakeholders to design, build, and deploy analytics that ingest and enrich disparate data for downstream queries. Implement solutions using object-oriented languages, Jupyter Notebooks, Ghostmachine, Query Time Analytics, and Elasticsearch clusters; optionally leverage AWS. Requires TS/SCI with polygraph and extensive relevant experience.

Senior-level developer responsible for designing, developing, and maintaining Microsoft/Oracle-based applications. Work on a Scrum team to plan designs, review requirements, and deliver software using VB.NET, C#, ASP.NET, WinForms, WCF, jQuery, and AJAX. Expected to apply Agile/Scrum practices and collaborate with peers, IT management, and end-users.

Develop and extend the OEF software using Java, Python, and TypeScript. Integrate and work with ActiveMQ, MongoDB, Leaflet, ComCat, and OpenSHA. Write and maintain tests (potentially in C++). Participate in a 6+ month W2 contract and meet in person weekly with staff in Sacramento.

Design, implement, and maintain secure, high-quality microservice-based software. Mentor team, perform code review, participate in scrum, ensure observability and incident response, and leverage AI tools to accelerate delivery.

Senior Software Developers design, develop, and support full-stack enterprise applications (.NET, React, Python). They translate business requirements into scalable solutions, contribute to architecture decisions, implement AI-enabled features (LLMs, semantic search, RAG), write production-quality code, mentor junior engineers, participate in code reviews, and support CI/CD, debugging, and modernization efforts across multiple firm application workstreams.

Lead and mentor engineers to design, build, and scale customizable SaaS solutions for Procore's Custom Fields. Establish development standards, conduct code reviews, collaborate with Product/UX, and drive large initiatives. Build and improve CI/CD, monitoring, and platform infrastructure while leveraging AI-assisted development workflows to increase delivery speed and quality.

Lead and contribute to Elasticsearch core search and indexing capabilities. Define technical vision for indexing, retrieval, and relevance; research data structures and retrieval algorithms; drive roadmap for large-scale search systems; collaborate with product and cross-functional teams; mentor engineers and implement robust, high-performance search infrastructure.

Build and maintain event-driven backend and full-stack systems that convert operational events into auditable financial records. Implement billing, settlements, reconciliation, ERP integrations, and reliable APIs with strong focus on idempotency, ordering, failure recovery, and financial correctness. Partner with finance and domain teams, automate manual workflows, own observability and production runbooks, and mentor engineers while participating in on-call rotations.

Design and improve RESTful and event-driven payment APIs and reconciliation/settlement pipelines for ACH, card, and check processing. Define architecture standards, drive cloud-native, high-availability, and event-driven designs, enforce security and compliance (PCI/NACHA/Check21), improve CI/CD and observability, guide distributed teams through reviews and documentation, and collaborate with product and partners to deliver scalable, resilient payment platforms.

Design, build, and maintain scalable medical imaging software; evaluate and integrate AI-assisted development tools; collaborate with product and engineering teams; troubleshoot clinical environments; support CI/CD, testing, and deployment; participate in pair programming and knowledge sharing.