Top Senior Software Engineer Jobs in Baltimore, MD

As a Senior Software Engineer, you'll build and optimize our algo trading platform, requiring expertise in both frontend and backend systems, high throughput design, and experience with trading systems.

The role involves architecting scalable backend systems and data pipelines, providing technical leadership, and ensuring best practices in software development.

Design and build backend services for ClickHouse Cloud, extend functionalities for Postgres, and contribute to automation and operational excellence, ensuring performance and reliability.

The role involves designing and maintaining a scalable cloud infrastructure, working with cloud technologies, and improving system performance and security.

The Senior Software Engineer will develop and enhance features for the Keeper Browser Extension, ensuring quality, security, and performance, while collaborating with cross-functional teams and following coding best practices.

The Senior Software Engineer will diagnose, develop, and deploy solutions for deployed autonomous software, focusing on technical discovery, rapid software fixes, tooling improvements, and cross-team collaboration.

The Senior Software Engineer will build full-stack solutions, design scalable features, mentor team members, and manage the development lifecycle.

Lead design and development of highly available payment processing, subscription billing, settlement, refunds, and reporting systems. Integrate with external payment processors and APMs, ensure automated build/test/deploy pipelines, debug production issues, optimize performance, decompose features for incremental releases, conduct design/code reviews, mentor junior engineers, and incorporate regulatory requirements (PCI‑DSS, PSD2/SCA, 3DS2).

Lead design, implementation, and operation of Signifyd's GCP/Kubernetes cloud platform. Architect scalable, secure infrastructure, embed AI-driven automation, own SLOs and incident response, improve developer experience via CI/CD/GitOps tooling, mentor engineers, manage cloud capacity/FinOps, and build observability and security into the platform.

Lead frontend architecture and technical direction for shared UI systems and design system. Build, maintain, and document reusable component libraries; collaborate with UX, product, and engineering. Champion accessibility, testing, performance, and design-to-code workflows. Mentor engineers, review contributions, and deliver major UI initiatives end-to-end while balancing technical debt and product needs.

Serve as technical lead for software development, testing, deployment support, release management, requirements analysis, defect resolution, and technical oversight for MIS. Lead development, testing, UAT, Section 508 compliance, performance/capacity testing, documentation, and modernization/migration efforts.

Lead design and delivery of customer-facing data product applications, building full-stack experiences (frontend, backend, APIs) using TypeScript, React, Node.js, and Python. Partner with Product and data teams to convert analytics and prototypes into production-grade workflows, establish software engineering best practices, mentor engineers, and prioritize customer value through testing, observability, and operational ownership.

Lead design and architecture of cloud-first, full-stack enterprise software. Provide technical leadership, mentor engineers, promote automated testing and CI, improve scalability, troubleshoot issues, and deliver complex projects on time.

Design, build, and maintain performant web applications in an agile, TDD-driven environment. Lead technical decisions, collaborate with product and design, deliver high-quality code, participate in on-call rotation, and ensure system reliability and availability.

Lead architecture and technical strategy across an infrastructure platform ecosystem. Drive hands-on architectural improvements to graph engine and backend services, reduce technical debt, establish standards, champion AI-first engineering practices, run architecture/code reviews and mentorship, and collaborate with product and leadership to ensure scalable, extensible systems.

Design, build, and optimize scalable cloud and web software with focus on infrastructure, performance, and hardware integration for IoT devices. Collaborate with hardware teams to ensure connectivity and high availability, implement new features, and improve system efficiency.

Design, implement, and maintain scalable Java-based software solutions. Collaborate across the SDLC, drive feature development, conduct code reviews, support CI/CD and DevOps practices, and ensure system performance, security, and reliability.

You will develop and maintain components of the LLVM based toolchain, collaborating with the community while ensuring platform-specific optimizations and tests.

Design and scale core infrastructure for an exchange platform focusing on latency and performance, while building APIs and managing technical relationships with clients in the sports prediction market.

Build and own device fingerprinting and fraud detection capabilities for Stytch on Twilio. Partner with product and engineering leadership to define roadmap, author design docs, drive technical decisions, improve production resilience, and mentor other engineers. Operate with high ownership across cross-team integrations and on-call responsibilities.

As a Senior Software Engineer, you'll build and operate the ML platform, optimizing data operations, managing the feature store, and supporting ML initiatives while driving architectural roadmap decisions.

Lead team in developing Enterprise B2B solutions, uphold quality standards, drive AI adoption, mentor engineers, guide architecture and legacy modernization efforts.

The Senior Software Engineer will enhance Flow protocol's architecture, improve performance, and ensure reliability for decentralized applications and services.

The role involves leading frontend development, maintaining UI components, overseeing CI/CD pipelines, mentoring engineers, and enhancing application performance in collaboration with cross-functional teams.

As a Senior Software Engineer, you'll ship quality software across the web stack, collaborate with product/design teams, and provide technical leadership within a small engineering team.