Top Senior Software Engineer Jobs in Baltimore, MD

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 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.

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.

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.

Design and maintain high-quality software solutions for an eCommerce platform, focusing on back-end systems and collaborating with various teams.

Design and build applications using Python, manage component design, optimize performance, and collaborate with clients on innovative products.

Lead design and implementation of embedded and robotic software for underwater systems. Oversee small teams, manage requirements and CDRLs, perform testing (factory/offsite/offshore), coordinate with electrical/mechanical leads, conduct trade studies, author system documentation and test plans, and mentor team members while supporting DoD program needs.

Design and develop enterprise software solutions, enhance existing systems, provide Level 2 support, improve processes, and mentor team members.

The Software Engineer II (DevOps) will design, code, test, and maintain software systems, develop IaC solutions, and ensure CI/CD efficiency. They will work with various programming languages and technologies to automate processes and monitor system performance, while also leading development teams.

The Software Engineer develops and enhances complex software systems, analyzes requirements, debugs software, and designs new features while leading projects.

Belay Technologies seeks a Software Engineer for its intel team, requiring expertise in software development, Agile practices, and specific technologies.