Top Senior Software Engineer Jobs in Baltimore, MD

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.

Own technically complex, mission-critical areas and define technical strategy for new products. Design and ship full‑stack, AI‑driven features end‑to‑end, build scalable data ingestion and API systems, partner with product/design/customer teams to translate ambiguous problems into measurable outcomes, mentor engineers, and raise engineering quality and standards across the organization.

Serve as the senior software development SME while performing full-stack Java web development and O&M activities. Guide developer teams, prioritize work, coordinate technical meetings, resolve issues, optimize processes, analyze requirements, estimate effort, review code, conduct testing, troubleshoot environments, create technical documentation, and implement software updates. The role requires extensive J2EE experience, SPA development, DevOps and CI/CD expertise, and active Public Trust/MBI clearance supporting an IRS Criminal Investigation system.

Develop and own full-stack web features from design through deployment, monitoring, and optimization. Build APIs, backend services, responsive user experiences, SQL queries, and relational database schemas. Modernize legacy systems, troubleshoot performance issues, participate in code reviews, and collaborate with product and design teams in an agile continuous-delivery environment. The role emphasizes secure, maintainable, scalable code, technical ownership, and thoughtful use of AI-assisted development tools.

Develop and execute manual and automated tests for data ingest, processing, analytics, microservices, and distributed applications. Create test plans, cases, procedures, and reports; generate test data; document defects; and collaborate with software and DevOps engineers. Automate security, performance, regression, integration, and CI/CD testing in AWS and Linux environments while monitoring cloud-based pipelines and validating data workflows.

Develop full-stack web applications, data transformations, analytics, and visualizations supporting national security missions. Collaborate with analysts, operators, and customers to define requirements and architect frontend and backend solutions. Maintain mission-critical servers and applications, support data workflows across varied formats and databases, and provide technical guidance across projects. The role also involves server framework development, systems administration, and contributing to robust solutions for big-data challenges.

Develop and maintain analytics software and pipelines to parse, normalize, process, and analyze structured data. Build scripts and frameworks using object-oriented languages and big-data tools (Spark, MapReduce), use Jupyter Notebooks/GHOSTMACHINE for analysis, and integrate NiFi, Elasticsearch, MongoDB, Maven, and DataXplorer with geolocation data.

Develop and maintain enterprise application software for cryptanalytic engineering. Work includes Java-based application development, feature design, architecture review, testing, debugging, release planning, version control, and user support. Use geolocation data and DataXplorer; collaborate on transitions and maintenance.

Develop, maintain, and enhance complex software systems including frontend UI/UX architecture and backend services. Review and test components, resolve software defects, apply appropriate development/design methodologies, and provide software input for system-level trade-offs and reuse decisions.

Develop and maintain web-based Java applications supporting compliant IC data management and movement. Design complex algorithms, perform quality control, improve documentation and development standards, collaborate with systems and hardware engineers, and coordinate software installation and operational monitoring. The role uses Agile methods and technologies including Quarkus, PrimeFaces, SQL, PostgreSQL, and Elasticsearch.

Develop and maintain mission-critical embedded software for autonomous maritime robots operating on extended 90+ day missions. Responsibilities include integrating sensors, actuators, communications, and power systems; implementing fault-tolerant architectures; developing device drivers, middleware, and mission code on ARM-based Linux platforms; building automated testing and CI/CD pipelines; troubleshooting hardware-software interactions; and documenting designs and procedures.

Integrates, installs, configures, upgrades, compiles, and supports COTS/GOTS software in heterogeneous operating environments. Administers Kubernetes clusters, troubleshoots workloads, develops Bash/Python scripts, applies Infrastructure as Code with Ansible, maintains Helm charts, monitors systems with Prometheus and Grafana, and collaborates using Git in a DevOps environment.

Perform software reverse engineering and debugging, identify and correct defects, research open-source vulnerabilities, and develop techniques to detect vulnerabilities in running software. The role requires low-level programming, assembly, C/C++, Python, and industry-standard reverse-engineering tools. Embedded systems development and reverse-engineering automation are preferred. Five years of relevant embedded development experience is required, with degree substitutions permitted.

Designs, deploys, and manages cloud infrastructure using OpenStack and comparable platforms. Supports Linux and Python-based software engineering, IT management, system engineering, network automation, cloud security, and operations. The role requires substantial software engineering experience, strong communication skills, and an active TS/SCI clearance with polygraph.

Integrate, install, configure, upgrade, compile, monitor, and support COTS/GOTS software across heterogeneous operating systems. Administer Kubernetes clusters, troubleshoot workloads and infrastructure, develop Bash/Python scripts, implement infrastructure as code with Ansible, maintain Helm charts, monitor systems with Prometheus and Grafana, and use Git for collaborative source control. The role operates in a DevOps and Agile environment and requires an active TS/SCI clearance with polygraph.

Plan and execute upgrades and modernization of enterprise Java applications in secure government environments. Develop and maintain Java/Python components on Windows VMware, migrate and optimize Apache Solr indexes with Zookeeper, manage Tomcat, integrate with Oracle 19c and SAP BI, use Apache Directory Studio, apply secure coding practices, collaborate with security/infrastructure/business teams, document designs and procedures, and participate in code reviews.

Build, enhance, and maintain web applications using JavaScript/CSS/HTML and modern frameworks; collaborate with designers, backend engineers, and data scientists; interact with REST APIs; troubleshoot customer issues; perform code reviews, write unit tests, and conduct QA.

Senior Full Stack Software Engineer responsible for developing Java Spring Boot microservices and cloud-based full-stack applications. Work includes Python for AWS automation, building REST APIs, implementing CI/CD with Maven/GitLab/GitOps, and collaborating in Agile teams to sustain mission-critical government systems.

Support a U.S. Government customer by researching, developing, installing, integrating, evaluating, enhancing, testing, validating, sustaining, and troubleshooting cloud-based mission software and systems. Perform requirements analysis and provide engineering services for cloud, big data, and analytics solutions in an Agile environment.

Develop and modernize legacy Java-based applications, primarily JSP monoliths, while diagnosing issues, reducing technical debt, improving reliability, and integrating adjacent systems. Independently gather requirements, solve complex technical problems, communicate with stakeholders, present designs, mentor junior engineers, and participate in technical interviews. React and JavaScript development may support cross-functional needs.

Design, build, and deploy full-stack solutions for the Endpoint Snapshots team. Maintain and modernize front-ends, optimize Python backends, automate mission capabilities, manage deployments with container and CI tooling, and collaborate cross-functionally to scale infrastructure and deliver timely, AI-assisted capabilities for intelligence customers.

Designs secure REST and message-based interfaces, mission applications, microservices, and data-ingestion pipelines for DIA and intelligence environments. Implements automated DevSecOps testing, DISA STIG compliance, telemetry, performance optimization, and secure inter-service communication. Develops backend systems, conducts code reviews, mentors engineers, and integrates enterprise platforms using message brokers, databases, search indexing, containers, and secure cloud environments.

Lead the technical vision and architecture for backend systems supporting experimentation, personalization, analytics, and conversion optimization. Design and operate high-throughput distributed systems and APIs, build data infrastructure, and productionize AI/ML capabilities. Drive complex multi-team initiatives, influence engineering strategy, establish technical standards and operational excellence, and mentor senior engineers. Partner with product, data science, ML, and engineering teams to translate business needs into scalable solutions.

Join Archy as a Senior Platform Software Engineer to enhance dental practice management through a scalable SaaS solution, focusing on cloud infrastructure, CI/CD pipelines, and AI integration.

Leads the Bioinformatics Software Engineering team and owns engineering strategy, architecture, delivery, modernization, and production support for clinical genomics platforms. Oversees software engineers, bioinformatics workflows, data integration, automation, quality systems, release governance, reliability, and regulatory compliance. Partners with clinical, laboratory, scientific, quality, product, operations, and executive stakeholders to convert research methods into validated production workflows. Guides AI-enabled engineering initiatives while ensuring privacy, traceability, clinical-grade quality, and operational resilience.