Top Software Engineer Jobs in Baltimore, MD

Build and ship end-to-end features across a TypeScript/Next.js monolith: dashboard, marketing site, billing, email, and AI-assisted tools. Own data models, APIs, third-party integrations, testing, observability, and production quality. Collaborate with the founder, review code, and improve engineering practices while delivering customer-facing features rapidly.

Design, develop, and implement features for the Marriott Bonvoy iOS app. Collaborate with cross-functional product teams, participate in code and requirements reviews, follow development and governance processes, support deployments and production activities, and learn mobile engineering best practices, Apple standards, and security requirements.

Design, build, and maintain AI-powered B2B SaaS products across frontend, backend, and AI. Own projects end-to-end, collaborate with product and design, ensure maintainability, mentor teammates, and inform roadmap and implementation decisions.

Own and expand a Three.js-based in-browser solar configurator: implement and optimize 3D geometry tools and workflows, build product-facing frontend features, collaborate with backend and computational teams, translate solar physics into usable design tools, define frontend/3D architecture, and ensure performant, stable UX across edge cases.

Own and expand a Three.js/R3F in-browser solar configurator: build and optimize 3D geometry tools and UX, collaborate with backend and simulation teams, ensure performant real-time rendering, and deliver frontend product features across the Aether platform.

As a Senior Principal Engineer, you'll define and drive the technical strategy for customer experience platforms, lead architectural decisions, and mentor engineering teams to enhance customer and agent experiences.

Lead the design and deployment of autonomous AI systems in investment technology, collaborating across teams to enhance business processes and decision-making through AI.

Develop, test, deploy, and sustain software for the JAMMEX program across the SDLC. Write secure, maintainable code, perform unit testing and debugging, integrate with systems and QA, participate in Agile ceremonies, document designs/releases, and remediate vulnerabilities to comply with DoD cybersecurity/IA guidelines.

Develop, integrate, test, and sustain reusable NASA core Flight System (cFS) embedded software. Implement and debug C/C++/Python applications, integrate timing and estimation algorithms, build OpenC3 COSMOS ground interfaces, support Xilinx Zynq/PicoZed hardware integration, and maintain CI/CD, Docker, and GitLab-based workflows while producing documentation and test artifacts.

Develop, maintain, and enhance complex software systems using modern front-end and Node toolchains. Analyze requirements, design and implement features, debug and test components, write documentation, develop data queries, and lead team efforts as appropriate. Contribute to architecture, performance tuning, and software development process improvements.

Build and maintain on-chain smart contracts and backend services for branded USDC-backed stablecoins. Own issuance, reserves, mint/burn, and rewards systems; drive architecture, security, and operational excellence; ship features with product and design partners and ensure well-tested, auditable production deployments.

Lead design, build, deployment, and operation of highly resilient, high-throughput configuration and publishing systems. Define long-term architecture and strategy, mentor senior engineers, diagnose and fix performance bottlenecks, and leverage AI tools to improve engineering productivity and platform capabilities.

Work directly with the founder to design and build core product features: integrations that pull license data, automation to file renewals/applications, data cleaning with AI, dashboard and alerting UX, and establish engineering practices for testing, deployments, and security. Term contractor role with potential conversion to full-time based on performance.

Build and deploy integrations between the Bayesian platform and large EHR systems, implement automated integration and end-to-end tests, support production deployments and go-lives, develop tooling and automation (including LLMs), and collaborate with implementation and clinical teams to deliver clinician-facing workflows.

Lead technical strategy and architecture for Affirm Bank's cloud, data, vendor integrations, and operational tooling. Design, build, and operate high-stakes systems end-to-end, own incident response, vendor selection, and the Bank↔Affirm Inc integration boundary. Ensure examiner-ready documentation, compliance, reliability, and observability while mentoring engineers and pushing AI-assisted engineering practices to increase velocity and product safety.

Design and implement core payment infrastructure including workflow engines, partner integrations, ledgering systems, and public APIs. Make architectural decisions with leadership, own projects end-to-end, and help shape engineering culture and technical practices at an early-stage fintech.

As a Senior Frontend Software Engineer, you'll lead the development of major features using React and TypeScript, ensuring performance and integration with backend systems. You'll also manage releases, improve team efficiency, and contribute to a customer-centric product experience.

As a Staff Frontend Software Engineer, you'll lead the frontend architecture using React and TypeScript, manage code releases, and integrate AI tools to enhance efficiency while ensuring high performance and system reliability.

Design, develop, and maintain web and mobile features using React/React Native. Build scalable backend services (C#, TypeScript, Ruby on Rails) and RESTful APIs. Work with AWS (ECS/EKS/Lambda), Terraform, Kafka/Debezium, and databases. Collaborate with product and design, follow CI/CD and best practices, and operate autonomously.

Lead architecture and implementation of software for autonomous UAS systems; mentor engineers; ensure compliance with aerospace standards; optimize CI/CD pipelines.

Design and implement the core components of the Agents Python framework, focusing on API and abstraction development for AI-driven applications.

Develop and enhance the new Stores platform while supporting various e-commerce tools to improve seller success online.

As a Software Engineer at Realm, you will develop backend services, create web and mobile UIs, and deploy tech at industrial sites. You will solve real-world challenges using various technologies and work with top leadership to build a stellar engineering team.

As a Front-End Engineer, you'll create intuitive UIs for AI tools, collaborating with design and backend teams, focusing on performance and user experience.

As a Senior Fullstack Software Engineer at Vanta, you will lead complex projects, set technical direction, design and develop new functionalities, and contribute to the engineering culture while mentoring other engineers.