Top Senior Software Engineer Jobs in Baltimore, MD

Lead the technical strategy for Coinbase's Data Platform, architecting data systems for AI/ML workloads and ensuring data reliability, performance, and cross-functional alignment.

Designs, develops, tests, and deploys complex full-stack software systems using Agile and SAFe methodologies. Collaborates cross-functionally to deliver scalable, secure, high-performance applications that meet technical, functional, and security requirements. The role includes solving complex problems, writing and enhancing source code, supporting architecture decisions, improving systems, and contributing throughout the software development lifecycle.

Build simulation and planning systems for complex communications networks. Develop tools that model hypothetical scenarios, vary configurations and assumptions, compare outcomes, surface tradeoffs, and identify risks. Design scalable, reliable backend systems for complex, evolving network states while collaborating across product engineering to integrate capabilities into broader workflows. Responsibilities span system design, implementation, testing, debugging, and operational support.

Develop, maintain, debug, test, integrate, and enhance complex software systems for intelligence community missions. Analyze requirements, design software and database interfaces, develop algorithms, resolve defects, improve development processes, and document solutions. The role may also lead teams at the appropriate development-process level and requires mission-relevant software engineering experience.

Lead design, delivery, and support of cloud-native, full-stack .NET applications for cash management. Build scalable APIs and microservices, enforce engineering best practices, mentor junior engineers, collaborate with business stakeholders, and use CI/CD, automated testing, and AI tools to improve quality and delivery.

Develop and sustain Python-based REST endpoints, microservices, middleware, and backend capabilities using Django and Flask. Manage data models across MariaDB, MongoDB, and PostgreSQL; support JSON-based front ends; debug and enhance software; integrate systems; create database queries; document solutions; and develop algorithms that meet performance and functional standards. The role requires active TS/SCI with Polygraph clearance and seven years of software engineering experience.

Develop and maintain end-to-end software solutions using Python, React, APIs, Agile methods, and DevOps practices. Design, integrate, test, debug, document, and deploy applications across UNIX and Linux environments. Collaborate with cross-functional teams to solve complex problems, improve system architecture, automate workflows, and support production operations. The role requires TS/SCI clearance with polygraph and involves developing interfaces with vendor products and maintaining application performance.

Develop and maintain the Zepharis web product suite across frontend, backend, database, and deployment layers. Build full-stack features with Python, React, FastAPI, PostgreSQL, and related technologies; troubleshoot local, CI, and production issues; architect schemas and migrations; document technical decisions; and mentor engineers through code reviews and design discussions.

Lead architecture, design, and delivery of PET product features; write production full‑stack code; champion testing, observability, CI/CD and operational readiness; mentor engineers and collaborate with product to shape technical roadmap.

Build and own end-to-end frontend experiences for Coinbase card products across web and mobile. Ship high-scale consumer features, improve payment flow performance and SLOs, reduce latency and CX contacts, mentor engineers, and collaborate with product, design, and backend teams to deliver reliable, user-focused card functionality.

Integrates, deploys, configures, and troubleshoots software across high-performance computing systems and specialized Linux environments. Develops automation scripts, supports HPC schedulers and parallel processing, manages monitoring and logging tools, performs root-cause analysis, and assists with system deployments and upgrades. Collaborates with engineering teams to resolve integration and performance issues while documenting configurations and procedures.

Leads software engineering teams developing web applications for data management, characterization, ingestion, and compliant data movement. Extracts value from structured and unstructured data using statistical methods and machine learning, develops queries and visualizations, defines software processes, ensures quality, and collaborates with mission customers. The role also requires technical leadership, requirements analysis, database development, and experience with big data, analytic frameworks, metadata, and intelligence-related network data.

Design and develop high-performance interactive data visualizations and dashboards using JavaScript, TypeScript, modern web frameworks, D3, SVG, Canvas, WebGL, and WebGPU. Build data-driven applications, maintain comprehensive testing, manage CI/CD pipelines, and deploy and monitor scalable production systems. Collaborate with engineers, data scientists, and product managers to translate complex data into intuitive visual experiences.

Develop and maintain complex software systems supporting mission-critical environments, including real-time processing, large-scale analytics, and data applications. Responsibilities include software design, development, testing, troubleshooting, requirements analysis, technology evaluation, quality control, and lifecycle support. Serve as a technical lead across multiple teams, coordinate with customers and systems engineers, and delegate programming and testing work. The role requires extensive software engineering experience and an active TS/SCI clearance with current polygraph.

Develop and lead software solutions for data ingestion, characterization, enrichment, and movement across intelligence-community mission systems. Extract insights from structured and unstructured data using statistical methods, machine learning, and analytic tools. Define requirements, develop queries and data flows, collaborate with customer teams, recommend technologies, lead software teams, oversee development processes and quality control, and support large-scale data processing using technologies such as Java, Python, Scala, Spark, Hadoop, and NiFi.

Maintain and modernize the IC-specific NiagaraFiles application and its components. Build NiFi microservices, refactor software for improved performance, functionality, scalability, and AWS cloud operation, and support Java-based development. The role also involves automated testing, containerized applications, infrastructure as code, development tooling, and CI/CD practices. An active TS/SCI clearance with polygraph is required.

Develop and maintain Java-based web applications supporting compliant data management and movement for intelligence community data custodians. Responsibilities include designing complex algorithms, improving software processes and documentation, coordinating with systems and hardware engineers, performing quality control, and supporting software installation and system operations. The role uses Agile development methods and technologies including Quarkus, PrimeFaces, SQL, PostgreSQL, and Elasticsearch.

Develop and lead software and analytic solutions for web applications supporting intelligence-community data management. Responsibilities include extracting value from structured and unstructured data, applying statistical and machine-learning methods, developing data characterization and ingestion capabilities, creating queries and visualizations, defining software processes, leading development teams, and ensuring software quality. The role requires extensive software engineering experience, data processing expertise, and TS/SCI with Polygraph clearance.

Develop, maintain, test, and enhance complex software systems for an enterprise engineering contract within the Intelligence Community. Design software solutions, analyze system performance and workflows, investigate issues, and evaluate COTS/GOTS alternatives. Support cloud infrastructure using OpenStack and comparable platforms, with Linux, Python, network automation, cloud security, and IT operations responsibilities. The role is performed onsite at a customer location and requires an active TS/SCI clearance with polygraph.

Develop and maintain a cloud-based full-stack product for storing, visualizing, validating, and disseminating ELINT data. Design, test, document, deploy, and troubleshoot enterprise applications while collaborating with developers and DevOps teams. Contribute to architecture reviews, technical planning, patches, and new feature development in an Agile environment.

Develop and maintain Java-based distributed software for large-scale compute clusters in a high-availability environment. Responsibilities include requirements analysis, architecture and software design, coding, integration, testing, deployment, monitoring, maintenance, optimization, and troubleshooting. The engineer will support microservices, containers, infrastructure automation, and agile development practices; conduct reviews; guide junior staff; and provide rotating Tier III on-call and emergency surge support in a customer-office setting.

Develop and maintain Java web applications supporting intelligence-community data management and compliant data movement. Responsibilities include software design, development, testing, installation, maintenance, integration, enhancement, troubleshooting, task estimation, and technical design reviews. The role uses Agile practices and technologies including Spring, Quarkus, PrimeFaces, PostgreSQL, Maven, Git, Jenkins, and Elasticsearch. Work is performed onsite at a contractor facility with no telework.

Design, develop, and validate functionally safe software for robotic perception systems. Build safety-critical architecture across Linux and real-time operating systems, create testing and validation frameworks for edge cases, collaborate with machine learning, hardware, and core software teams, and mentor junior engineers on safety-critical coding practices.

Build scalable distributed systems for Rula’s Marketplace Health Engine, improving provider utilization, marketplace efficiency, and patient access. Partner with Engineering, Product, Data, and Operations; lead technical strategy across teams; design backend services, APIs, and data-intensive systems; drive projects from discovery through post-launch support; solve complex marketplace problems; mentor engineers; and remain hands-on in software development.

Develop and operate highly scalable backend systems and AWS infrastructure. Responsibilities include maintaining Python HTTP services, working with DynamoDB, Elasticsearch, and Redis, provisioning cloud resources through infrastructure as code, reasoning about distributed systems, and owning software from design through monitoring. The role also focuses on reliability, security, performance, cost optimization, observability, technical roadmaps, and collaboration with engineering and product stakeholders.