Top Senior Software Engineer Jobs in Baltimore, MD

The Software Engineer will analyze user requirements, design and code software, debug existing code, and enhance systems performance while supporting customer needs and system solutions in a collaborative environment.

Design, develop, test, debug, and deploy secure national-security mission applications. Integrate front-end and back-end systems, collaborate with government developers, follow Agile practices, and maintain performance and security standards for cleared software environments.

Senior Software Engineer responsible for owning and supporting the MCA international cash management platform. Duties include COBOL development, mainframe application support, Oracle Database and Linux administration, monitoring with Dynatrace, incident and change management via ServiceNow, vendor coordination (including Oracle Flexcube), troubleshooting production issues, delivering enhancements, and participating in Agile delivery to ensure platform reliability and regulatory compliance.

The role involves leading application performance improvements across multiple platforms, focusing on measurable metrics and driving engineering standards and workflow optimization, using both hands-on coding and strategic influence.

Lead UI architecture and design for responsive web applications; build reusable components with Angular/React/Vue and TypeScript/JavaScript; integrate UIs with RESTful microservices; enforce accessibility, security, testing, and CI/CD standards; mentor developers and collaborate with UX, backend, and DevOps teams in Agile environments.

Design and implement CIAM backend services for authentication and authorization. Integrate identity systems, manage secure flows, and automate infrastructure.

The role involves developing and optimizing React Native applications, integrating AI capabilities, and collaborating with cross-functional teams to deliver innovative mobile experiences.

Design, implement, and operate large-scale distributed storage systems ensuring data durability, availability, and performance. Build and maintain replication, erasure coding, and lifecycle systems; write high-quality Go/Rust/C++ code; participate in on-call rotations; troubleshoot production incidents; collaborate with networking, hardware, and capacity teams; lead scoped projects and drive infrastructure evolution.

As a Billing & Analytics Software Engineer, you'll design and maintain the billing pipeline, integrate billing systems, and develop customer-facing analytics dashboards to support revenue recognition and operational observability.

Lead design and delivery of scalable customer-facing features, services, and APIs that process real-time data and AI-powered insights. Build web experiences, contribute to LLM/AI workflows, ensure reliability through observability and rollout practices, and collaborate cross-functionally with Product, Design, ML, and platform teams.

Lead architecture, modernization, and development of Group Insurance applications. Modernize mainframe monoliths into Java microservices and micro-frontends on cloud, mentor distributed Agile teams, collaborate with enterprise architecture, product owners and infrastructure, and enable test automation and integrations. Approximately 10% domestic travel.

Lead frontend-leaning full-stack implementation work for carrier and enterprise integrations: architect reusable UI and API layers, author RFCs, guide technical delivery, enforce testing and security best practices, and partner with cross-functional teams to scope and ship production integrations.

Build and own Eve's marketing site and GTM engineering stack: integrate and optimize external tools, design AI agents for sales and marketing, implement webhooks and middleware to sync product/CRM data, and create programmatic campaigns and internal tools in partnership with Marketing, Sales, RevOps, and Product to drive growth and automation.

As a Senior Software Engineer in Trust & Safety, you'll analyze threats, design systems for abuse detection, and collaborate with teams to implement scalable defenses.

Design, build, and maintain scalable, reliable full‑stack systems. Contribute to API and architecture design, write testable code, debug complex issues, improve performance, automate deployments, and mentor junior engineers while collaborating with cross‑functional teams.

Design and implement AI solutions, leading projects, coding, testing, and mentoring team members while collaborating with business stakeholders to optimize technology solutions.

Support, maintain, and enhance legacy DCS software for mission-critical industrial automation. Troubleshoot customer issues, develop fixes and support tools, perform testing and release activities, analyze logs/specs, coordinate field service, document solutions, and drive continuous improvement to improve reliability and performance.

Design, build, and maintain enterprise software and integrations. Analyze requirements, create technical designs, develop APIs, implement front-end features (Angular preferred), write tests, troubleshoot performance, and collaborate with product, architecture, and QA using Agile practices.

Design, develop, maintain, and test complex software systems and full-stack features. Provide full-stack support for the AUTUMNATTIC tool (Java/Angular/Elasticsearch), debug and resolve defects, perform code reviews, implement algorithms, integrate software, develop queries, and assist users and documentation.

Develop full stack solutions and support modernization efforts for mission-critical tools while collaborating with a team to explore new technologies and prototypes.

Seeking a Senior AWS Software Engineer to support a U.S. Government customer by providing technical expertise for mission-related software and systems, requiring active TS/SCI clearance.

Lead design and implementation of complex signal processing software and algorithms, manage multiple development teams, ensure quality control, derive requirements with systems engineers, and maintain processing frameworks for mission-critical government systems.

Senior Front End Software Engineer to sustain and enhance mission-critical government software. Role requires front-end UI/UX architecture, React development, backend integration (APIs, NodeJS/Java/Spring Boot), cloud/container tooling, and working with data stores like MongoDB and Elasticsearch. Must hold required security clearance and collaborate across engineering teams.

Develop, test, deploy, and sustain Python-based REST endpoints and microservices using Django/Flask, interfacing with MariaDB or MongoDB, providing middleware and backend support for mission-critical government systems focused on automation and continuous monitoring.

The Software Engineer will support a U.S. Government customer, providing full stack development for the AUTUMNATTIC tool, conducting code reviews, and assisting users with issues.