Top Software Engineer Jobs in Baltimore, MD

Designs, develops, integrates, tests, and sustains cloud-native software applications and services. Responsibilities include containerization, API development, database and data repository interfaces, MapReduce analytics, debugging, requirements analysis, performance optimization, automation, monitoring, documentation, and software testing. The role also provides container deployment training and applies cloud development best practices.

Designs, develops, integrates, tests, and sustains cloud-native software and distributed computing applications. Responsibilities include containerization, API development, database and data repository interfaces, MapReduce analytics, cloud infrastructure automation, debugging, performance optimization, documentation, testing, and CI/CD implementation. The role also provides container deployment training and applies cloud technologies such as orchestration, monitoring, serverless computing, and data integration pipelines.

Build and maintain responsive web experiences, PWAs, and native-feeling mobile apps; design secure APIs and third-party integrations; develop conversational AI bots and support automation; implement ad-tech, segmentation, push notifications, analytics, and A/B testing; and optimize performance, reliability, and uptime. The role requires full-stack development, cloud and DevOps fundamentals, and collaboration in a fast-paced startup.

Develop end-to-end software and analytic data processing solutions for government missions. Build and maintain data pipelines and workflows, deploy cloud-based solutions, process large-scale data with Spark or MapReduce, optimize SQL and NoSQL queries, and contribute to architecture, system improvements, and future enhancements in an agile environment.

Lead frontend and full-stack engineering, architect scalable features, integrate APIs and cloud services, optimize rendering and performance, establish engineering standards, conduct code reviews, and mentor developers. Collaborate with product, UX, and backend teams to deliver user-focused software while managing priorities in an ambiguous environment.

Design, build, and maintain AI-powered B2B SaaS products across frontend, backend, and AI. Own projects end-to-end, collaborate with product and design, ensure maintainability, mentor teammates, and inform roadmap and implementation decisions.

The Senior Fullstack Software Engineer will design, implement, and maintain features for Conveyor's SaaS platform, involving both backend and frontend work, while collaborating closely with team members and mentoring juniors.

Build and ship frontend features for a financial marketplace using React and Next.js. Collaborate with product, design, and backend engineers; contribute to architecture, component design, code quality, tooling, and the shared component library. Own work from design through delivery, participate in pairing and code reviews, and use AI-assisted development tools thoughtfully.

Designs, develops, tests, deploys, maintains, and enhances software solutions. Provides technical leadership, analyzes requirements, defines features with the Chief Engineer, conducts code reviews, and independently delivers medium-to-large features. The role requires Agile development experience, software testing skills, and proficiency with Git, Java, C++ or Python, and relational databases. AWS, Docker, Kubernetes, HAProxy, Nginx, and Elastic Stack experience is preferred.

Lead development of scalable Java backend applications and high-availability cloud services. Design architectures, REST APIs, databases, caching systems, and distributed session infrastructure. Mentor engineers, drive technical initiatives, address performance and scalability challenges, and uphold quality and automation practices for endpoint management products.

Develop and maintain software, web applications, virtualized cyber-training environments, and DevOps pipelines supporting hands-on computer network operations training. Responsibilities include software design, coding, testing, debugging, documentation, database and API development, CI/CD, Kubernetes and Docker deployments, Windows/Linux administration, systems modeling, and security solution research. The role also leads development activities, mentors junior engineers, and supports course delivery in a SCIF air-gapped environment.

Develop and sustain mission-critical software and systems for a U.S. Government customer. Responsibilities include software engineering, Java development, requirements gathering, documentation, workflow management, testing, troubleshooting, and collaborative problem solving. The role may involve AWS, Maven, Git, GitLab, MapReduce, Linux, Python, streaming technologies, and Agile development practices. Work is performed independently and as part of a team while supporting critical government missions.

Develop and sustain mission-critical government software and systems using Java, Python, and AWS. Implement functional and system-level automated tests, prototype cloud-based solutions, and collaborate with systems engineers within an Agile development process. The role requires U.S. citizenship and an active or reinstatable TS/SCI with Polygraph clearance.

Develop and sustain mission-critical software and systems for a U.S. Government customer. Apply Python and related technologies including Kotlin/Java, Terraform, Elasticsearch/OpenSearch, and AWS. Collaborate independently and within engineering teams while supporting reliable software solutions, Agile development, and mission-focused technical initiatives. The role requires a TS/SCI with Polygraph clearance and is based in Annapolis Junction with partial telework available after acclimation and training.

Develop and sustain mission-critical software for a U.S. Government customer using Python, PySpark, and AWS services including Lambda, Glue, and DynamoDB. The role requires software engineering experience, collaboration, strong communication, and an active or reinstatable TS/SCI clearance with polygraph. The position is based in Annapolis Junction, Maryland, with partial telework potentially available after acclimation and training.

Lead backend engineering strategy for Affirm’s international Identity team. Design and launch highly available distributed systems supporting KYC, user lifecycle management, and identity decisioning. Drive technical planning, cross-functional collaboration, operational excellence, monitoring, testing, and on-call readiness. Establish engineering quality standards, influence architecture, mentor team members, and deliver scalable systems using Python or Kotlin, AWS, MySQL, Spark, and Kubernetes.

Develop, prototype, modify, integrate, and support mission-focused CNO software for national security projects. Responsibilities include augmenting toolsets, analyzing and documenting requirements, building prototypes, delivering software within mission constraints, supporting fielded systems, and collaborating with analysts, operators, data scientists, engineers, and customer leadership. The role requires software development in C, C++, and Python across Linux, Windows, and embedded environments, plus reverse engineering and systems engineering leadership.

Build and maintain secure, scalable APIs and infrastructure for an AI-powered fintech platform. Develop features across the stack, integrate third-party APIs, deploy infrastructure with Terraform, apply compliance and security practices, and support customers as a technical point of contact. The role involves close collaboration with the CTO in a greenfield, early-stage startup environment.

Develops automated testing scripts and strategies for high-performance computing hardware and software systems. Reviews requirements, creates test plans and cases, executes validation activities, analyzes logs and test data, develops database queries, tests REST APIs, and tracks defects. The role requires Linux scripting, programming, Agile collaboration, version control, CI/CD knowledge, and an active TS/SCI clearance with full-scope polygraph.

Design, build, and operate reliable, scalable services across the C+E stack. Automate operations with scripts and CI/CD, use telemetry to detect trends, perform root cause analysis, support dedicated cloud environments, and collaborate across teams to ensure security, compliance, and operational excellence.

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.

Design, develop, test, and maintain backend systems and APIs for ingesting, processing, and routing large-scale telemetry data. Own end-to-end features, contribute to architecture and internal tools, write automated tests, participate in on-call/support rotation, and collaborate with cross-functional teams to deliver scalable, high-performance distributed systems.

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.

Build and maintain software services supporting Azure AI capabilities in air-gapped and sovereign cloud environments. Develop deployment automation, release validation, monitoring, and observability tools; collaborate across Azure on networking, identity, and infrastructure dependencies. Own features from design through production, participate in on-call rotations, troubleshoot service issues, write secure and tested code, and contribute to reviews, documentation, and continuous engineering improvements.

Designs, develops, tests, troubleshoots, documents, and maintains software applications throughout the project lifecycle. Responsibilities include coding, database and system administration, performance testing, debugging, software upgrades, requirements documentation, user support, vendor coordination, and collaboration with analysts, administrators, and engineers. The role also provides guidance to junior development staff and supports cross-departmental projects.