Top Senior Software Engineer Jobs in Baltimore, MD

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.

Lead design and implementation of analytical software for underwater vehicle data. Define architecture, lead small teams, manage requirements/CDRLs, perform testing (remote and onsite), interface with customers, produce documentation, conduct trade studies, and mentor junior engineers. Support system requirements, hazard analysis, and deliverables for DoD programs.

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.

Design, develop, and deploy software components; handle web requests; support full-stack development in a cloud environment; collaborate with engineers.

Lead design, development, testing, deployment, and support of a containerized web-based LMS. Capture requirements, create epics/issues, review code, manage releases, mentor engineers, and ensure accessibility and enterprise integration in both unclassified and SCIF environments.

Build and own full-stack features, platform primitives, and integrations for Vanta Government Cloud. Design secure APIs and services for authentication, data ingestion, schema evolution, monitoring, and framework mappings. Operate integrations within the GovCloud boundary, including observability, on-call support, incident response, change management, performance improvements, and automated testing. Collaborate with federal subject-matter experts, agencies, vendors, and assessment organizations while using AI responsibly to improve development and operations.

Lead architecture and rollout of scalable platform services and customer-facing APIs. Define API standards, service boundaries, security, reliability, and developer experience; collaborate with data-platform teams; drive RFCs and complex multi-quarter initiatives; mentor engineers; and contribute across the stack using TypeScript, Node.js, React, and AI tools.

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.

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.

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.

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.

Join a small AI-native engineering team building and operating Affirm's bank systems. Own end-to-end bank infrastructure, durable workflows, vendor integrations, data platform, CI/CD, monitoring, and examiner-ready documentation. Use AI-assisted tooling to accelerate development, collaborate with Compliance/Risk/Finance, and mentor growing engineering talent.

The role involves providing technical leadership, hands-on execution, and cross-team influence in software engineering, focusing on solutions for scaling and performance challenges while using AI tools.

Design and build end-to-end web and AI-powered dashboard features, scale cross-platform full-stack infrastructure, standardize product patterns, mentor engineers, lead cross-team technical projects, and collaborate with product and design to improve user workflows and AI adoption.

Senior fullstack engineer to build and scale Brigit's consumer finance platform. Own end-to-end features across frontend (React/React Native/TypeScript) and backend (Java/REST/SQL), optimize database and APIs for high scale, integrate 3rd-party services, implement risk and transaction algorithms, improve CI/CD, testing, monitoring, and internal tooling to support millions of users.

Build and maintain full-stack features for Saga, Deepgram's voice OS. Develop backend services (Node.js, Socket.IO, DynamoDB, AWS Amplify), frontend interfaces (TypeScript, React, Next.js), and scalable REST/GraphQL APIs. Participate in architecture, code reviews, performance optimization, and translate product requirements into iterative deliverables.