Top Software Engineer Jobs in Baltimore, MD

Develop, maintain, test, and enhance complex software systems, analytics tools, real-time applications, and RF signal processing solutions. Integrate software across hardware platforms, contribute to new development programs, analyze requirements, and support hardware/software trade-offs. The role requires Linux development, programming proficiency, software testing, and an active TS/SCI with Polygraph clearance.

Develop and enhance Toast’s website-building platform and related AI-powered digital growth products. Design, scope, and implement full-stack solutions using modern web technologies, improve performance and scalability, collaborate with Product and Design, run experiments, resolve critical issues, and write clean, testable code. The role contributes to API design, unit and integration testing, agile delivery, and cross-team product integration.

Develop and deploy customer-focused web, mobile, and backend applications across the full software stack. Design major features, contribute to architecture decisions, conduct code reviews, and ensure secure, high-quality implementations. Collaborate with stakeholders and cross-functional teams using Agile and SDLC practices. Manage version control, CI/CD, environments, and releases; maintain automated test coverage and perform root-cause analysis. Build and optimize relational data solutions using SQL Server, including complex queries, stored procedures, and performance tuning.

Design, build, deploy, and support scalable Java microservices on AWS. Provide technical leadership, architectural direction, code reviews, troubleshooting, proof-of-concept development, and cross-functional collaboration. Work with high-throughput data, messaging systems, distributed architectures, observability, and AI-assisted development tools. Participate in on-call support, mentor engineers, lead architectural initiatives, and deliver reliable SaaS platform features.

Own the development and maintenance of large-scale React Native applications for iOS and Android. Lead architecture improvements, React Native upgrades, native module development, performance optimization, automated testing, CI/CD reliability, and production debugging. Collaborate with cross-functional product pods, contribute to technical discovery and architecture, mentor engineers, and raise engineering standards while delivering scalable, maintainable mobile experiences.

Designs and improves CI/CD pipelines, automates manual software delivery processes, manages development and testing tools, optimizes Windows and Linux infrastructure, and supports virtualized and containerized deployments. The engineer ensures security and compliance, collaborates with agile teams, and independently delivers reliable enterprise systems supporting national security missions.

Design, build, and operate foundational developer infrastructure across CI, build systems, deployment orchestration, and test platforms. Improve build speed, deployment safety, and test reliability while owning services end to end, including SLOs, observability, and on-call responsibilities. Partner with engineering teams to address platform pain points and lead cross-cutting technical projects through production.

Develop and operate backend systems supporting post-transaction processing for Affirm Card. Break down projects, write tested and extensible code, collaborate with product and engineering teams, monitor system health, troubleshoot issues, participate in on-call support, and contribute to code reviews and team development.

Develop and support front-end applications for intelligence and analytics users. Responsibilities include AngularJS and NodeJS development, UI usability and Section 508 compliance, user support, feature enhancement, testing, documentation, quality control, and technical leadership across multiple software teams. The role requires collaboration with UX and outreach teams and expertise in software performance analysis, web services, databases, scripting, Agile development, and code management.

Design and own secure, scalable wallet infrastructure for custody, key management, transaction signing, authorization, recovery, and multichain systems. Architect support for MPC, HSMs, secure enclaves, TEEs, smart contract wallets, account abstraction, and emerging cryptographic approaches. Define security boundaries, policy engines, secrets management, authentication, and programmable authorization while making foundational build-versus-buy decisions and guiding systems from first principles through production.

Build and scale Go backend services for agent quoting, configuration, and application submission. Design APIs and distributed systems, write unit and integration tests, resolve partner-specific issues, contribute to architecture, support production debugging, improve CI/CD automation, and use AI coding tools in daily engineering workflows. Collaborate with adjacent teams and mentor teammates through pairing and documentation.

Design, develop, and deliver mission-critical server-side and UI software within a SAFe DevOps environment. Use TDD/BDD and CI/CD to implement secure Java (and multi-language) solutions, integrate databases and services, and automate testing for high-assurance defense programs requiring an active TS/SCI with polygraph.

Maintains Linux systems, hardware, networks, applications, and data flows; manages firmware, RAID, and hardware troubleshooting; supports Salt-based automation and adjacent DevOps tools; and builds or maintains Cross Domain Solutions. Serves as the Splunk subject matter expert for applications, dashboards, data routing, and analytics, including constrained or cross-domain environments.

Join an agile team to design, develop, test, and deploy secure enterprise software. Participate in SAFe ceremonies, apply software engineering principles, build automation scripts, promote code reuse, and support the full lifecycle in secure environments.

Develops and sustains cloud software supporting cyber intelligence and AI/ML capabilities on large-scale compute clusters and AWS infrastructure. Responsibilities include requirements analysis, software development, integration, testing, validation, installation, enhancement, maintenance, and issue resolution. The role works with distributed NoSQL systems, big-data technologies, cloud scalability, machine learning, large language models, RAG, agentic workflows, microservices, Kubernetes, observability, and infrastructure-as-code tools.

Develop and maintain end-to-end full-stack software solutions from design through production. Build, test, integrate, document, debug, monitor, and maintain applications across UNIX and Linux environments. Collaborate with cross-functional teams to solve complex problems, improve architectures, automate workflows, develop APIs, and support deployment using Agile and DevOps practices. The role requires TS/SCI clearance and involves work on challenging client systems.

Designs, develops, tests, deploys, documents, maintains, and enhances complex software systems. Responsibilities include Python and Rust development, Linux systems work, shell scripting, algorithms, databases, authentication and access control for HPC environments, CI/CD, automation, containerization, cloud solutions, and Java/J2EE applications. The engineer analyzes requirements, debugs software, integrates systems, performs quality control, and may lead development teams. An active TS/SCI with polygraph is required.

Develop and deliver end-to-end software systems in an agile environment. Responsibilities include designing solutions, evaluating architecture and operating environments, mastering new tools, identifying system improvements, and supporting software from concept through production. The role requires Java development and collaboration on systems supporting critical government missions.

Develop and maintain full-stack Java applications supporting enterprise data architecture and transformation initiatives. Build scalable data ingest, processing, transformation, and transport solutions; create RESTful APIs and backend services; prototype modernization capabilities; collaborate with architects and stakeholders; and participate in Agile development, testing, deployment, troubleshooting, integration, and sustainment activities.

Designs, develops, tests, and maintains secure software supporting cyber threat intelligence sharing and mission applications. Builds Kubernetes-hosted services, Apache NiFi data flows, STIX/TAXII integrations, APIs, automation, and cloud services across AWS and Azure. Troubleshoots interoperability and performance issues, implements monitoring and operational controls, creates technical documentation, and collaborates with engineering and mission teams in an Agile environment.

Designs, develops, integrates, tests, and maintains mission-critical software using C++ and Python. Troubleshoots defects and performance issues, supports system integration, requirements analysis, design reviews, documentation, configuration management, and secure coding practices. Collaborates with systems engineers, operations teams, and mission stakeholders to deliver reliable, secure applications in production environments.

Develop and maintain full-stack, cloud-based microservices applications for an intelligence-community customer. Build React interfaces and backend services with Node.js, Python, and Rust; deploy using Kubernetes and Helm; implement messaging, real-time processing, infrastructure automation, observability, and distributed data platforms. Support cloud migration, system performance optimization, testing, and architecture decisions while collaborating with cross-functional teams.

Entry-level software engineer supporting future Intelligence Community missions. Responsibilities include developing, testing, debugging, and maintaining applications in Linux using C++ and Java, plus scripting for automation and system operations. The role involves code reviews, documentation, software integration, deployment support, and learning secure development practices. Candidates need foundational software development experience, strong problem-solving skills, and an active TS/SCI clearance with polygraph.

Designs and maintains secure Java and Spring Boot microservices, RESTful APIs, and AWS cloud applications. Builds CI/CD pipelines and Infrastructure as Code using Terraform or CloudFormation, monitors production systems, troubleshoots issues, and develops automated tests. Collaborates with engineering, product, DevOps, and government stakeholders in an Agile environment to deliver scalable, reliable mission-critical applications and supporting technical documentation.

Develop and deploy AI/ML-driven systems in AWS cloud environments. Build scalable, high-performance and GPU-enabled applications using C++, Python, or Go; implement Terraform infrastructure as code; support large-scale streaming analytics platforms; and troubleshoot software performance, scalability, and reliability issues.