Top Software Engineer Jobs in Baltimore, MD

Build and maintain scalable backend applications, serverless functions, microservices, data workflows, ETL pipelines, and cloud-native architectures using Python and AWS. Manage databases, APIs, batch jobs, and real-time integrations while optimizing performance, scalability, security, compliance, and cost. Collaborate with product, engineering, analytics, and data teams; contribute to architecture, CI/CD, infrastructure automation, development standards, and technical mentorship. Healthcare claims data experience is required.

Build full-stack features for a real-time collaborative content platform, spanning backend services, APIs, and frontend systems. Design and implement maintainable, well-tested software; contribute to architecture and technical decisions; collaborate with product and design; integrate AI into development and product workflows; participate in code reviews; and help establish engineering quality standards on an early-stage team.

Develops and enhances complex full-stack software systems supporting critical customer missions. Responsibilities include designing scalable front-end applications, translating UX/UI designs into accessible interfaces, contributing to backend development, participating throughout the software development lifecycle, applying Git, testing, code reviews, and CI/CD practices, troubleshooting issues, optimizing performance, and collaborating with product owners, designers, and engineers.

The Senior Software Engineer for the Treasury team will develop backend services for fund management, ensuring system reliability and leading projects in a fast-paced environment.

Leads architecture and development of Thunderbird’s web-based Services products, including calendar and secure file storage offerings. Responsibilities include writing code, prototyping, selecting technologies, developing analytics and infrastructure, solving complex problems, guiding product direction, mentoring engineers, and improving scalability and sustainability. The role collaborates across engineering, product, design, QA, Mozilla, and open-source communities in a fully remote environment.

Lead architecture and technical direction for Thunderbird’s web-based Services products, including calendar and secure file storage offerings. Responsibilities include writing code, prototyping, making technology decisions, developing analytics and infrastructure, solving complex problems, mentoring engineers, collaborating across product and design teams, and improving system scalability and maintainability. The role also contributes to product growth, open-source collaboration, and data-informed decisions within a fully remote international team.

Leads complex software engineering efforts, developing and modifying applications, utility programs, databases, software, and firmware. Analyzes user needs, data, risks, and mission requirements; performs software validation, verification, testing, exploitation development, and anomaly resolution. Produces engineering documentation and evaluates software quality and cyber capabilities in accordance with DoD guidance. Requires technical leadership, troubleshooting, and collaboration with cyber-focused teams.

Develop and deploy end-to-end applications supporting intelligence mission workflows. Responsibilities include gathering requirements, building user-facing applications, developing RESTful APIs, integrating front-end and back-end services, creating data visualizations, working with cloud environments and data repositories, and establishing secure CI/CD pipelines. The role collaborates with mission stakeholders, data scientists, and analysts to deliver operational solutions.

Develop analytics and innovative applications for geolocation, data integration, cyber-source data, and SIGINT tagging. Leverage Java, Python, PySpark, ETL, Hadoop, and related technologies to analyze data and metadata, fill intelligence gaps, and deploy automated solutions supporting mission stakeholders.

Maintain, troubleshoot, enhance, and modernize legacy enterprise applications using C and Python. Design, build, and debug software; support workflows, web parts, APIs, cloud platforms, and operational systems. Upgrade applications to meet security requirements, advise clients on modernization, and collaborate with technical teams. The role may also involve embedded operating systems, automation, additional programming languages, FPGA and RF concepts, and basic AI/ML models.

Develops, enhances, integrates, tests, and debugs complex software systems and algorithms. Derives software requirements, designs system components, improves development processes, creates documentation, and supports software integration and testing. Leads development teams, performs quality control, and collaborates with systems and hardware engineers. Requires experience with user stories, acceptance criteria, configuration management, CI/CD tools, SQL, scripting, and software testing.

The Software Engineer develops and enhances software systems, manages CI/CD pipelines, and provides automation and scripting support. Responsibilities include analyzing requirements, debugging, testing, and collaborating within teams to deliver software solutions.

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.

Integrates, tests, evaluates, configures, upgrades, and troubleshoots high-performance computing software stacks and systems. Develops Bash and Python automation, administers Linux environments, supports Slurm scheduling and HPC infrastructure, and diagnoses software, hardware, networking, storage, and system issues. Uses infrastructure-as-code and automation tools including Salt and Ansible while supporting large-scale HPC systems and customers.

Administer, maintain, monitor, and support Kubernetes-based PaaS infrastructure within a secure Linux environment. Responsibilities include cluster administration, workload troubleshooting, performance and reliability optimization, security compliance, automation with Ansible, Helm chart development, scripting with Bash and Python, container management, monitoring with Prometheus and Grafana, and Git-based collaboration.

Administer, maintain, and provide operational support for highly available Kubernetes clusters in a secure Linux-based PaaS environment. Responsibilities include cluster administration, workload troubleshooting, scripting, containerization, infrastructure automation, Helm chart development, monitoring, source control, security compliance, scalability, and performance optimization. The role supports mission-critical applications and requires an active Top Secret/SCI clearance with favorable polygraph.

Develop, test, deploy, automate, and support complex software systems across the software development lifecycle. Responsibilities include cloud infrastructure maintenance, DevOps, CI/CD automation, infrastructure provisioning, container management, monitoring and alerting, production troubleshooting, software design, requirements analysis, and resolving software problems. The role requires TS/SCI clearance with a recent polygraph and substantial experience supporting comparable programs.

Develop, maintain, and integrate full-stack applications for mission analytics visualization. Design and implement features, debug and fix defects, create database queries, support testing (unit/integration), lead small teams, and improve development processes and documentation.

Design, develop, and sustain scalable backend services and distributed data processing systems using Python, C++, or Java on Linux. Implement efficient algorithms, optimize performance, design databases, debug and refactor code, contribute to CI/CD and containerized deployments, conduct code reviews, mentor teammates, and make architectural decisions.

Develop, maintain, and enhance complex software systems (analytics, algorithms, large data sets, real-time systems). Write and test software components, resolve defects, contribute to system-level design and hardware/software trade-offs, favor reuse/COTS/GOTS, prototype solutions in AWS, implement MOAT in Java/Python, and build automated functional and system-level tests while collaborating with systems engineers in an agile process.

Build and scale Daymark Health’s cancer care platform across the stack. Responsibilities include developing secure infrastructure and core systems, collaborating with product, data, operations, and customers, integrating workflows, following HIPAA and SOC 2 controls, handling PHI securely, and using AI coding tools to accelerate development. The role requires contributing to technical strategy, improving user experience, and adapting quickly in a startup environment.

Build and maintain fundraising technology that supports donors, fundraisers, donation processing, and reporting. Responsibilities include website development, backend integrations, legacy-system maintenance, data processing, testing, launches, bug fixes, incident ownership, and on-call support during peak donation periods. The role requires autonomous work with Laravel, PHP, JavaScript, HTML, CSS, Salesforce, WordPress, SQL, and partner CSV files, along with close collaboration with non-engineering fundraising teams.

Designs, develops, tests, debugs, and maintains scalable React Native mobile applications for iOS and Android. Owns major mobile projects, defines architecture and APIs, manages backend and third-party integrations, improves performance and reliability, and supports modernization efforts. Collaborates across engineering, product, design, QA, security, and business teams while mentoring engineers and promoting Agile, CI/CD, testing, documentation, and mobile development best practices.

Design and lead the technical strategy for search across Vannevar’s products. Build and improve full-text, vector, and LLM-powered retrieval systems, optimizing latency, relevance, index quality, freshness, and performance. Collaborate with ML, product, design, and mission strategy teams to translate user needs into search innovations. Apply expertise in information retrieval, NLP, machine learning, indexing, ranking, query parsing, tokenization, vector search, and evaluation frameworks.

Lead architecture and technical execution for Toast’s Payroll and Team Management products. Own authentication, authorization, and organizational hierarchy across a multi-tenant SaaS platform. Drive high-scale, full-stack initiatives, modern agentic development practices, integrations, technical strategy, quality standards, deployment practices, and cross-functional collaboration. Mentor engineers across teams and leverage AI tools and LLM integration to improve software development velocity and quality.