Top Senior Software Engineer Jobs in Baltimore, MD

We are seeking a Senior Frontend Software Engineer to build advanced web applications using JavaScript and ReactJS, collaborating with a team to enhance user experiences.

The Senior Backend Software Engineer will build intricate backend systems, develop APIs, ensure high availability, and improve application scalability and performance.

Lead and manage software engineering teams, architect scalable systems, and innovate solutions while collaborating with stakeholders across various technology stacks.

Design, build, and maintain cloud infrastructure software (primarily in Go) to manage VMs across global data centers. Collaborate on product requirements, participate in code reviews, optimize performance and reliability, contribute to architecture decisions, and stay current with industry trends.

Lead systems engineering for Hivemind-based autonomy products: define and manage requirements, develop system architectures and trade studies, coordinate hardware/software interfaces, support integration/verification/validation and testing, and identify and mitigate technical risks across the system lifecycle.

Design and implement full‑stack, low‑latency web-based Ground Control Station and C2 systems (map-centric UIs, real-time telemetry, video streaming), lead architecture and APIs, mentor engineers, support field tests and mission deployments, and ensure interoperability with C2 standards.

Design and implement high-quality C/C++ embedded avionics software for X-Bat UAVs. Lead cross-functional teams, own features from design to production, integrate firmware and autonomy systems, and develop HIL/virtualized test environments. Produce architecture and test documentation, build CI/test tools, prototype concepts, and ensure reliability, safety, and compliance for aerospace deployments.

Design, develop, and field high-performance Ground Control Station and C2 software using C++/Qt/QML and QGroundControl. Lead architecture and technical direction, mentor engineers, define APIs/ICDs, debug integration/latency issues, support field tests, implement post-mission debrief tools, and ensure interoperability with C2 standards.

Design and implement Wi‑Fi 6 (802.11ax) and 802.11s mesh networking software for enterprise access points. Develop HMAC components, optimize throughput/latency/airtime, integrate on NXP-based Embedded Linux platforms, maintain hostapd/wpa_supplicant/mac80211, debug with packet captures, and collaborate with RF/firmware/QA teams for product releases.

Build and maintain scalable, high-performance web applications and data-visualization platforms using React, Redux, Vite, and TypeScript. Collaborate with cross-functional teams to design features, write clean code and tests, debug, contribute to APIs, mentor junior engineers, and apply modern development practices including CI/CD and accessibility considerations.

The Senior Staff Software Engineer will architect Affirm's lakehouse analytics platform, lead data governance efforts, mentor engineers, and collaborate across teams to optimize data solutions using Snowflake and other big data tools.

As a Senior Software Engineer, you will enhance core communication systems by developing features across the stack and integrating with third-party services, ensuring reliability and scalability while debugging production issues.

As a Senior Software Engineer on the Data Platform team, you'll enhance the data infrastructure, develop ETL pipelines, maintain data quality, collaborate across teams, and mentor junior engineers.

The Senior Software Engineer will drive the retail technology initiatives at Toast, focusing on payment solutions and enhancing customer experiences. Responsibilities include collaborating on high-impact opportunities, technical decision-making, and adapting to customer needs.

The Sr. Software Engineer designs, implements, and maintains scalable cloud services, contributes to team processes, and acts as a subject matter expert while leading projects and mentoring others.

The Software Engineer develops and enhances software systems, manages CI/CD pipelines, and provides automation and scripting support. Responsibilities include analyzing requirements, debugging, testing, and collaborating within teams to deliver software solutions.

The Software Engineer develops and enhances complex software systems, analyzes requirements, debugs, integrates and improves software solutions, while leading teams and ensuring adherence to standards.

Senior back-end developer responsible for designing, implementing, and maintaining scalable backend systems and APIs. Use Java and Spring Boot on Linux, modernize systems via agile practices, optimize data storage and performance, run benchmarking and testing, and collaborate cross-functionally. Must hold TS/SCI with polygraph.

Design, develop, integrate and test software that controls test equipment and executes tests for space payloads. Work on an agile team using Python, TCL, and C++, employ Jenkins and Robot Framework for automated testing, perform debugging, software configuration management, peer reviews, and cross-functional integration. Role is onsite in Linthicum, MD with ~10% travel and requires US citizenship and clearance eligibility.

Design, develop, integrate, and test embedded flight software for space payloads. Implement and debug C++/Linux applications, perform peer reviews, use software configuration management, participate on agile scrum teams, and support hardware integration and testing. Must support system requirements, traceability, and readiness for program security access.

The Senior Software Engineer for Support AI will develop voice and chat systems for customer support, driving projects from concept to production, while collaborating across teams and improving AI capabilities through integration and data insights.

Design, develop, integrate, and test embedded flight/payload software on an agile team. Implement, debug, and review C++/Linux software, perform cross-compiling, use configuration management, and support hardware integration and test activities onsite.

Design, develop, integrate, and test software that controls test equipment and executes tests for space payloads. Work on agile teams using Python, TCL, and C++, enable automated testing with Jenkins and Robot Framework, perform debugging, peer reviews, and software configuration management in Linux/Windows environments. Onsite role.

The Cloud Software Engineer will design and operate distributed systems for ClickHouse's Observability platform, ensuring reliability and efficiency while working with various engineering and infrastructure teams.

Develop and maintain ClickHouse Cloud interfaces and dashboards, collaborating with multi-disciplinary teams to enhance user experience and system reliability.