Top Senior Software Engineer Jobs in Baltimore, MD

Engineer end-to-end frontend and backend for an LLM-powered platform serving youth aging out of foster care. Design and optimize RAG systems, prompt engineering, embeddings, and agent interactions. Build accessible, Section 508-compliant interfaces and secure, federally compliant APIs. Ensure retrieval quality, safety, automated testing, CI/CD, and mentor teammates within a cross-functional, remote U.S.-based team.

Lead automation testing for GUI using Selenium and Robot Framework. Conduct manual testing, collaborate with development, and ensure cross-platform coverage.

Design and develop scalable cloud-native microservices to interact with Tenable.io platform data while promoting software design practices and operational excellence.

Designs and implements software tools and subsystems to support reuse and domain analysis. Manages development using formal specifications and CASE tools, estimates costs/schedules, refines existing programs, monitors analytic environment, performs security patching/updates, maintains documentation, automates tasks via scripting, and evaluates open-source or commercial solutions.

Provide technical leadership for frontend platform architecture across web and mobile. Evolve Angular-based applications, micro-frontends, shared component libraries, observability, analytics instrumentation, and performance. Collaborate with Product, UX, Security, and DevOps to design scalable solutions, improve release processes, troubleshoot production incidents, mentor engineers, and drive frontend modernization and standards.

Design, document, code, optimize, unit test, deploy, and maintain desktop and web-based Microsoft-platform applications (.NET/ASP.NET/C#). Perform custom development when needed, follow USG IA/INFOSEC standards, and support federal customers onsite. Requires TS/SCI clearance, a bachelor’s degree, and extensive software engineering experience.

Design, develop, integrate, and test embedded real-time software for undersea payloads. Participate on agile scrum teams, lead technical reviews, perform hardware integration/testing, and ensure software meets system requirements. Provide technical leadership and support throughout full software development lifecycle.

The Senior Software Engineer will design, build, and maintain backend services and REST APIs while supporting data pipelines and governance practices within the Infrastructure team.

Senior Software Engineer responsible for developing complex features, mentoring junior engineers, collaborating on technical direction, and adhering to best practices in software delivery.

Design, build, and evolve customer-facing backend services and public APIs; own features end-to-end from design through rollout; create technical design documents; ensure services are observable, resilient, and usable across multiple products; collaborate closely with Product and Experience teams to prioritize and ship iterations.

Lead reliability, availability, and resiliency strategies for large-scale systems, drive operational excellence, and provide technical mentorship across engineering teams.

Design and implement integrations for a B2B platform, focusing on ERP systems and API architectures while providing technical leadership.

Build and harden product features and tooling for AWS GovCloud, ensuring security, auditability, and compliance. Implement GovCloud-specific authentication, logging, observability, and developer tooling; analyze and remediate security gaps; mentor engineers; support federal self-hosted customers and on-call escalations.

Design, develop, and maintain Hogan mainframe applications and batch processes. Troubleshoot production issues, tune performance, deploy APIs via zOS Connect, leverage zDIH for data integration, use DevOps pipelines, participate in code reviews, and mentor junior engineers.

The Staff Software Engineer will develop full stack solutions, contribute to architecture, mentor junior developers, and collaborate with teams on software projects.

Owner of full-stack features and platform reliability: build scalable web applications, optimize PostgreSQL performance, maintain asynchronous infrastructure (Celery), migrate frontend to server-side HTMX, ship revenue-driving features, ensure observability and SLO-driven reliability, collaborate cross-functionally, write testable code, and participate in architecture and code reviews.

Design, build, and maintain scalable cloud infrastructure and developer tooling. Operate EKS Kubernetes clusters and EC2 hosts, manage CI/CD and VCS (GitLab), implement Terraform/Ansible automation, monitor with Datadog, support on-call rotations, collaborate across product, data, InfoSec, and mentor teammates to improve platform reliability and developer experience.

As a Senior Software Engineer, you will enhance our investment screening and fraud prevention platform, overseeing the software development lifecycle and collaborating with various teams for compliance-driven solutions.

Integrate, install, configure, upgrade, compile, and sustain COTS/GOTS software in HPC environments. Develop automation scripts and playbooks, execute performance and failover tests, troubleshoot hardware/software, maintain virtualization and container platforms, produce technical documentation, track/report issues, and coordinate integration activities for system reliability.

The Senior Software Development Engineer develops software for a hospital system data platform, mentoring junior engineers and ensuring adherence to engineering best practices.

The Senior Software Engineer develops and enhances complex software systems, performs testing and reviews of software components, and provides inputs for system design.

As a Lead Embedded Software Engineer, you'll design, develop, and validate embedded firmware for electronic systems. Responsibilities include leading firmware development for motor controls, solving technical issues, mentoring junior members, and ensuring quality objectives.

Design, develop, integrate, and test embedded cryptographic and real-time software. Architect secure firmware, work with systems/hardware teams in Agile, debug multi-threaded RTOS applications, and ensure software lifecycle compliance on Xilinx platforms and networked systems.

Lead design, implementation, and support of full-stack web applications and core systems; mentor engineers; triage production issues; negotiate complex technical solutions; drive cloud-native, containerized architectures and best practices; support faculty research projects and contribute to open-source development.

Manage and technically lead an embedded software integration and test team, providing oversight of design, development, integration, staffing, performance reviews, and career development. Drive agile processes, ensure compliance with internal software plans, implement continuous improvement, and collaborate across sites and stakeholders. Requires travel ~10% and active Secret clearance.