Top Software Engineer Jobs in Baltimore, MD

Build, own, and operate cloud-native .NET services powering real-time trading, market data, and brokerage integrations. Ship features end-to-end, write tests, participate in on-call rotations, improve observability, and occasionally contribute to React/TypeScript frontend work.

Develop scalable software and analytics for clinical EHR data: data processing, statistical computing, machine learning, large-scale databases, and cloud integration. Translate research algorithms into production, gather requirements, document work, and present results.

Join ROOST's Coop project to design, implement, test, document, and release trust-and-safety features. Work across backend APIs, GraphQL, databases, and UI to improve reviewer workflows, detection integrations, and reporting. Lead code quality, security practices, community contribution reviews, and stakeholder coordination while engaging with users and the open source community.

Join the ROOST Osprey team to design, implement, test, and maintain a high-performance, real-time safety rules engine. Work includes building data/event pipelines, scaling and containerizing services, integrating with Kafka and gRPC, reviewing community contributions, maintaining code quality and security, and engaging with users and open source contributors to prioritize and deliver features.

Lead end-to-end feature development across frontend and backend for an enterprise data analytics platform. Design, implement, and maintain React UIs, backend services, APIs, databases, and distributed systems. Collaborate with Product, UX, and Engineering, mentor engineers, improve quality through testing/CI, and introduce new technologies including AI-assisted development.

Design and implement scalable backend and frontend systems, build and maintain data pipelines, design SQL/GraphQL database systems, collaborate on product and metrics, improve performance, security, and reliability, and support customer-facing features.

Design, develop, test, deploy, and support web and software solutions; estimate and document work; troubleshoot and monitor systems; implement CI/CD and DevOps practices; collaborate with stakeholders; specialize in web UI/UX, CMS platforms, modern frameworks, APIs, and scalable architectures.

Design and own CI/CD and configuration management for a large-scale, multi-cluster Kubernetes fleet. Define GitOps-driven, declarative reference architectures and templated production environments. Implement progressive delivery (canary, automated rollback), improve pipeline reliability and speed, evolve the Internal Developer Portal, embed AI tooling into delivery workflows, and partner with Cloud, Security, and Compliance while mentoring senior engineers.

Senior backend engineer on an education-focused technology consulting team. Own complex backend systems end-to-end: estimate scope, build and support production Python services, design REST/GraphQL APIs, work with cloud and Docker, use relational databases, maintain strong automated tests and Git workflows, and represent technical work to clients. Role values mentorship, ownership, and mission-driven work.

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.

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.

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.

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.