Top Senior Software Engineer Jobs in Baltimore, MD

Develop and maintain Java software in an Agile environment for federal government customers. Responsibilities include designing complex algorithms, improving documentation and development standards, gathering requirements, performing quality control, installing software systems, and monitoring equipment. The role requires Java, SQL, PostgreSQL, query creation, DBA development, and Elasticsearch aggregation experience, along with a TS/SCI clearance and substantial software engineering experience.

Develops, maintains, tests, and enhances complex software systems for federal government customers. Responsibilities include resolving software issues, contributing to system design and technology selection, recommending processes, leading multiple development teams, selecting development methodologies, ensuring software quality, and delegating programming and testing work. The role requires substantial software engineering experience, a cloud certification, U.S. citizenship, and TS/SCI clearance with an agency-appropriate polygraph.

Develops and sustains cloud software for federal government customers, including requirements analysis, design, integration, testing, validation, enhancement, and issue resolution. The role focuses on AWS architecture, Java-based distributed systems, Hadoop and big-data technologies, RESTful services, Linux, Kubernetes, infrastructure as code, CI/CD, and AI/ML integrations such as LLMs and RAG. Candidates must produce technical documentation, hold or obtain an approved cloud developer certification, and maintain an active TS/SCI clearance with an agency-appropriate polygraph.

Build and scale full-stack financial product experiences for OnePay’s employer benefits platform. Lead technical design, establish architectural and coding standards, optimize systems for reliability, security, performance, and scalability, and make technical decisions balancing rapid delivery with sustainable solutions. Collaborate with product, design, and operations to deliver features across web, iOS, and Android using distributed systems, APIs, and modern frontend technologies.

Develop, maintain, enhance, and test complex enterprise software systems for an Intelligence Community customer. Analyze system performance, usage, workflows, and problem areas; contribute to system design and evaluate COTS/GOTS solutions. The role requires cloud infrastructure expertise with OpenStack, strong Linux and Python skills, software engineering experience, IT operations knowledge, and a TS/SCI clearance with polygraph. Work is performed full-time at a customer location in Laurel, Maryland.

Develop, maintain, test, and enhance complex software systems for intelligence applications. Responsibilities include software architecture, requirements analysis, algorithm development, large-scale data processing, REST and front-end development, Spring Boot application deployment, CI/CD, cloud integration, security, documentation, and resolving software issues. The role requires collaboration across teams and adherence to design, accessibility, testing, and system requirements.

Develops, maintains, tests, and enhances complex software systems, including analytics, large-scale data processing, real-time systems, and business applications. Resolves software problem reports, applies appropriate development methodologies, documents test results, and contributes to system design decisions involving software components, reuse, requirements analysis, and COTS/GOTS solutions.

Develop and modernize customer-facing software supporting malware analysis, metadata storage, knowledge management, and national security missions. Build prototypes, mission tools, analytics, algorithms, and Java-based services. Collaborate through Jira and daily scrum meetings, interact directly with customers, demonstrate products, and use Docker, JavaScript frameworks, Linux tools, and REST APIs.

Develop and lead software for an intelligence-community classification marking tool. Responsibilities include guiding developers, enforcing coding standards, maintaining configuration management, building deployment packages, documenting processes, presenting demos, managing schedules and risks, gathering customer requirements, and collaborating with system engineers on user acceptance testing and software releases.

Design, build, test, and deliver complex customer-facing software features and services for Slate’s digital platform. Own technical approaches, quality, APIs, cloud-based web services, integrations, and trade-off decisions. Collaborate with product and UX teams, conduct code and design reviews, identify risks, coordinate work, and mentor teammates while delivering reliable, scalable solutions.

Lead the architecture and development of Green Dot’s cloud-native Banking as a Service platform. Design scalable APIs, microservices, event-driven systems, and integrations; guide CI/CD, testing, observability, security, and compliance practices; lead incident response and architectural decisions; reduce technical debt; mentor engineers; and partner with product and engineering teams to deliver reliable banking and payment solutions.

Develop and deploy responsive full-stack web applications from design through production. Translate product requirements into high-quality software, maintain pixel-perfect design standards, collaborate with product, design, and QA, and help guide technology strategy. The role acts as a technical lead on product initiatives and reports to the CTO, with a focus on AI-native development and secure fintech workflows.

Build and maintain full-stack features for Vanta’s third-party risk management products, including vendor onboarding, lifecycle management, monitoring workflows, data models, and platform abstractions. Write tested code, participate in reviews and architecture decisions, and collaborate with product, design, and engineering teams to deliver customer-facing functionality. Experience with TypeScript, React or Node.js, web applications, databases, and REST or GraphQL APIs is expected.

Develops and maintains desktop and web-based software on Microsoft platforms using .NET, ASP.NET, C#, and Python. Responsibilities include detailed design, documentation, coding, optimization, unit testing, deployment, and improvements. The role also administers enterprise IT systems, develops custom software when commercial solutions are unavailable, and ensures compliance with government information assurance and security standards. This is a full-time onsite position supporting federal government operations and requires an active TS/SCI clearance with polygraph.

Design and develop scalable enterprise software for the Lending team. Build backend systems using .NET, Python, relational and NoSQL databases, messaging systems, Docker, and AWS. Plan, triage, and prioritize work while applying object-oriented programming, SOLID principles, domain-driven design, distributed systems, and event-driven architecture practices.

Build and ship full-stack product features using Python, Django, PostgreSQL, JavaScript, and Vue.js. Scale Kubernetes and AWS infrastructure, develop Selenium-based test and workflow automation, integrate APIs and CI/CD pipelines, and improve monitoring and observability. Collaborate with customers, clinical stakeholders, and internal teams to analyze workflows and deliver production-ready solutions in healthcare technology environments.

Build and evolve developer-facing trading APIs, lead backend projects end to end, design scalable systems, support new chains and bridges, improve reliability and performance, investigate onchain transaction failures, participate in on-call, and collaborate with product, legal, GTM, and customers. The role requires deep DeFi and EVM expertise, strong system design skills, and ownership in a remote environment.

Lead the architecture, development, operation, and evolution of PlayStation’s real-time analytics platform. Build scalable distributed data systems using streaming and OLAP technologies, integrate batch and streaming workloads, improve reliability and performance, and develop AI-powered engineering capabilities. The role provides technical leadership across teams, mentors engineers, drives architecture and standards, resolves production incidents, and participates in on-call support.

Provides senior technical leadership across engineering teams by shaping architecture, guiding complex software development, mentoring engineers, and driving scalable, secure, and reliable solutions. Responsibilities include hands-on coding, design reviews, API and system architecture, CI/CD and tooling improvements, cross-team technical alignment, project leadership, and partnership with product and design stakeholders. The role is remote with quarterly travel to Tampa, Florida.

Provides principal-level technical leadership across engineering teams, shaping architecture, engineering standards, scalable software solutions, and delivery practices. The role combines hands-on software development with design reviews, technical decision-making, mentoring, CI/CD and platform improvements, system reliability, and cross-team collaboration. It also partners with product and design stakeholders and may lead high-impact initiatives. Remote work is available with required quarterly travel to Tampa, Florida.

Owns end-to-end test strategy, designs scalable backend and UI automation frameworks, integrates automated testing into CI/CD pipelines, performs exploratory testing, and advocates for testability and reliability across engineering and product. The role requires strong programming, Kubernetes and distributed-systems knowledge, debugging ability, and cross-functional ownership in a fast-moving startup.

Develop and maintain backend services, microservices, REST APIs, and distributed applications supporting cyber training and range missions. Deploy and troubleshoot software in Kubernetes, cloud, virtualized, and infrastructure-as-code environments. Build automated tests, collaborate with DevOps, infrastructure, networking, and cyber teams, and contribute to technical planning, code reviews, and PCTE, RangeOS, and JCWA capabilities. The role may also provide technical leadership and mentoring.

Lead technical direction for a central infrastructure team supporting all product engineering. Design and maintain AWS infrastructure, Terraform modules, CI/CD workflows, observability, security, networking, cost-visibility tooling, and operational platforms. Coordinate multiple initiatives, improve reliability and incident response, establish paved roads adopted by feature teams, guide infrastructure strategy, and coach engineers across the organization.

Build and maintain premium mobile features, subscription and in-app purchase flows, paywalls, pricing experiences, and advertising functionality for Life360’s consumer app. Own feature quality, performance, reliability, experimentation, and incident response at 100M+ user scale. Collaborate with product, design, data science, and analytics teams; use AI coding agents extensively; contribute to architecture and code reviews; mentor engineers; and help evolve AI-native engineering practices.

Own end-to-end verification and validation for complex cloud-native software systems. Design comprehensive testing strategies, build scalable backend and frontend automation frameworks, identify coverage gaps, perform root cause analysis, integrate tests into CI/CD pipelines, and improve testing efficiency. Apply AI-assisted tools to testing and debugging, evaluate emerging AI capabilities, mentor engineers, and raise quality standards across teams.