Top Software Engineer Jobs

Build and iterate experimental trading products on the Aptos blockchain. Design and implement scalable APIs, indexing services, data pipelines, and trading infrastructure. Write clean, performant, well-tested production code and collaborate with protocol, infrastructure, and product teams to drive product development and experiments.

Founding technical lead for Aptos Payments: define and ship the Payment API, run partner integrations with banks/PSPs/stablecoin issuers, build trust infrastructure (reconciliation, KYC/KYB, testnet sandbox), integrate payments with trading RFQ systems, and hire and lead the initial engineering team while making build-vs-buy decisions tied to business gates.

Develop and deliver scalable, high-performance risk and P&L calculation frameworks on a distributed trading platform. Design architecture, implement code and automated tests, optimize performance, automate releases, mentor engineers, and partner with traders, risk managers, and quants to translate business requirements into reliable production solutions.

Develop, configure, test, and troubleshoot Oracle CPQ Cloud solutions (BigMachines). Participate in design sessions, build prototypes, manage integrations, perform unit testing, debug BML libraries, support production, and mentor junior staff.

Develop and maintain post-trade systems, work on greenfield and brownfield projects, troubleshoot production issues, perform upgrades, collaborate with cross-functional teams, propose process improvements, and document technical designs.

Develop and maintain data-analysis applications and websites on Windows and Linux. Participate in design reviews, collaborate with a software team, implement unit tests, and support functional testing to produce technical intelligence products.

Design and build scalable backend systems within a microservices architecture. Lead development using Ruby/Node/Java/TypeScript, implement TDD, maintain CI/CD pipelines (CircleCI, ArgoCD), optimize performance with Postgres, AWS, and Kubernetes, collaborate across platform and infrastructure teams, mentor engineers, and adopt generative AI/agentic workflows to deliver SaaS solutions for construction Financials.

Design, develop, test, deploy, and debug software for an autonomous distributed tracking system. Collaborate with algorithms, hardware, systems engineers, and leadership. Maintain CI/CD pipelines, work with containerization and modern C++ on Linux, and support deployments (up to 10% travel). Full-time on-site in Boulder, CO, with required Secret clearance.

Design, build, and maintain scalable, resilient microservices using Java/Kotlin and Spring Boot. Implement REST/GraphQL APIs, use MongoDB/Redis/SQL and Elasticsearch, write unit and integration tests (JUnit/TestNG), monitor via PromQL/Sherlock, and develop user interfaces with JavaScript, React, and Marko. Follow DoD, TDD, and CI/CD practices to ensure high quality and uptime.

Build and operate core AI agent infrastructure: orchestration, context management, filesystem and sandboxed execution, model routing and serving, databases, Kubernetes, networking, and cloud systems to make long-running agent workloads fast, reliable, safe, and cost-efficient.

Build and operate backend APIs and services powering identity, workspaces, permissions, billing, connectors, webhooks, triggers, and third-party integrations. Design abstractions and data models, own production systems for correctness, security, reliability, and work across the stack to turn product needs into durable primitives.

Develop, test, deploy, and maintain full‑stack and AI/ML software solutions and cloud services. Implement responsive frontends, backend services, RESTful APIs, microservices, and CI/CD pipelines. Collaborate with multidisciplinary teams, follow secure development and Agile practices, produce technical documentation, and support system integration, deployment, and operations.

Design, build, and maintain full-stack features and high-performance backend infrastructure. Architect scalable APIs and data flows, integrate frontend and backend systems, collaborate with product, design, and research to ship user-facing products, and ensure reliability, observability, and iterative experimentation across the platform.

Design, develop, and maintain SpaceX's in-house test infrastructure and supporting applications for production, integration, and simulation testing. Improve reliability, performance, and safety of test software; collaborate with flight software teams; own product development for test tooling and integrate AI-driven developer tooling.

Develop, design, and implement modeling and simulation software solutions using C++ and simulation frameworks (AFSIM). Collaborate in Agile teams to produce production-ready systems, write and enhance source code, and solve complex problems. Must hold a Secret clearance and a STEM bachelor's degree.

Lead full-stack developer responsible for designing, developing, and delivering end-to-end software solutions. Oversee and mentor a development team, gather client requirements, apply agile practices, implement front-end and back-end components, and ensure architecture supports future enhancements. Coordinate testing and automation efforts and meet security clearance requirements.

Support, integrate, configure, modernize, and sustain enterprise COTS/GOTS applications (primary IBM Maximo). Develop integrations (REST/SOAP), perform full-stack and cloud modernization work, troubleshoot production issues, collaborate with stakeholders and vendors, produce estimates and documentation, and mentor junior engineers within Agile teams.

Develop, extend, and maintain Java-based preprocessing and integration components to migrate and ingest records from SharePoint and other sources into the FEITH records system. Configure and integrate FEITH connectors, troubleshoot ingestion issues, document designs, and support user onboarding and one-time migration activities while collaborating with technical leads and stakeholders.

Support, develop, integrate, configure, and sustain GOTS/COTS enterprise applications for infrastructure and logistics. Perform application development, system integration, cloud modernization, and production support across modern and legacy stacks, troubleshooting and adopting new technologies as needed.

Lead development, testing, debugging, and documentation for large applications. Analyze systems, optimize performance, troubleshoot issues, develop standards and procedures, coordinate team work, prepare technical diagrams and manuals, implement backup/restore processes, and drive application migrations and enhancements.

Design, develop, test, and maintain mission-critical Windows desktop (WPF/MVVM), Android (Kotlin/Java), and distributed microservice applications. Work on agile teams, perform peer reviews, CI/CD, research and prototype R&D projects, and learn emerging technologies to support DoD and federal clients.

The Senior Full Stack Software Engineer at NiCE will develop AI-powered customer experience solutions, build end-to-end features, and improve the software development lifecycle, requiring strong full-stack skills in TypeScript/Node.js or Go, and React.

Build, configure, and maintain the company Palantir Foundry platform; integrate data sources; support day-to-day operations and security; design dashboards and ERP integrations; document processes and partner with cross-functional teams to deliver business solutions.

Develop, maintain, and enhance enterprise software systems and SPLUNK integrations. Analyze data sources, design and implement back-end and front-end components, build RESTful services, deploy to Tomcat, lead small teams, execute testing, and collaborate with systems and hardware engineers to meet performance and security requirements.

Develop and support cloud services software using Python and JavaScript. Analyze unknown code, reverse-engineer behaviors, build test harnesses/continuous testing, install/configure Linux, write complex shell scripts, analyze network traffic, and use AWS CDK. Work is on-site in Chantilly and Northern VA for cleared personnel.