Top Software Engineer Jobs in Baltimore, MD

Lead the architecture, design, and implementation of scalable, low-latency backend services and REST APIs using Python and Flask. Design database schemas, optimize queries, implement authentication and observability, and build fault-tolerant distributed systems. Lead technical reviews, establish API and engineering standards, mentor engineers, and collaborate across teams on architecture and integrations. The role requires expertise in backend development, RESTful architecture, security, cloud platforms, CI/CD, containerization, testing, and emerging AI technologies.

Build and optimize website growth experiences across acquisition, activation, conversion, retention, and revenue. Own experiments from hypothesis through implementation, instrumentation, launch, analysis, and iteration. Develop high-traffic pages, onboarding flows, programmatic SEO systems, and experimentation infrastructure while improving technical SEO, crawlability, structured data, internal linking, and web performance. Collaborate with design, product, data, SEO, marketing, and frontend engineering teams.

Build scalable, efficient full-stack systems that support healthcare professionals and improve patient outcomes. Collaborate with developers, data scientists, clinicians, product managers, and operational teams to create new features, maintain development practices, write tests, document implementations, and refactor complex distributed systems.

Leads and develops engineering teams in a player/coach role, balancing technical leadership, execution, and people management. Responsibilities include improving team productivity and reliability, shaping technical roadmaps with product and design partners, setting objectives, representing the team in engineering initiatives, and leading hiring, development, and retention. The role requires system design expertise, proficiency in a general-purpose programming language, experience delivering complex web applications and services, and adaptability across technical systems.

Develop, design, integrate, test, and maintain software for radiation therapy medical devices. Build treatment-planning systems, implement automated tests, troubleshoot issues, contribute to architecture and requirements, and support high-performance computational solutions. Collaborate across software, systems, testing, product, and clinical teams while following rigorous quality and regulatory processes. Some travel under 10% may be required.

Lead the design and development of scalable .NET services and APIs for a real-time trading platform. Own systems through production, contribute to architecture and observability, support incident response, mentor engineers, and drive cross-team technical initiatives. Collaborate with product and design while occasionally contributing to React and TypeScript frontend development. Build reliable, high-throughput distributed systems and improve engineering standards, tooling, testing, and operational excellence.

Build and deliver customer-facing web features using React and TypeScript while contributing to Node.js services, REST or GraphQL APIs, and backend-for-frontend layers. Translate customer requirements into clean, modular, well-tested code, collaborate with Product, Design, and Operations, work in an Agile environment, and mentor other engineers. Support web quality, performance, and user experience across Credible’s financial marketplace platform.

Design, develop, and maintain scalable billing and invoicing systems using C# and PHP. Lead architecture, code reviews, mentoring, CI/CD improvements, monitoring, database optimization, security, and PCI DSS compliance. Use Claude and Cursor in daily development while validating generated code for correctness, security, performance, and maintainability. Collaborate across Product, Engineering, QA, and support teams to deliver reliable payment-processing services and resolve complex technical issues.

Develop and optimize Mojo kernels and implement support for new accelerator architectures across Modular’s AI software stack. Build portability infrastructure, integration tests, and debugging workflows; collaborate with hardware vendors to triage platform issues. Engineers will study ISAs, memory hierarchies, and vendor toolchains while contributing to compiler, model-serving, and inference optimization efforts.

Design and implement Mojo language features, compiler optimizations, and multi-target compilation for CPUs, GPUs, and AI accelerators using MLIR and LLVM. Collaborate with kernel authors, hardware engineers, researchers, and the open-source community to improve language design, code generation, performance, developer experience, and the broader Mojo SDK.

The Software Engineer will build and own features for the AI-driven matching and screening platform, focusing on data structuring and full-stack development. Collaboration with users and maintaining high quality through testing is essential.

Build and maintain scalable React/Node/TypeScript web applications, design RESTful APIs and microservices, optimize performance, troubleshoot full-stack issues, collaborate on features, adopt AI-assisted tools, and support CI/CD and cloud integrations.