Top Senior Software Engineer Jobs in Baltimore, MD

Lead a high-performing software development team, design and enhance software systems, develop cloud applications, and optimize performance in distributed environments.

The Software Engineer develops and maintains software systems for government clients, focusing on data analytics, algorithm development, and system integration.

Develop, sustain, and troubleshoot a suite of mission-focused software applications. Implement, test, and integrate with COTS/GOTS/FOSS; build containerized services (Docker, Kubernetes, Helm); work with NoSQL/Databases, messaging, CI/CD, and IaC. Support evolving mission needs while holding required security clearance.

Design and implement UI/UX and full-stack features across front-end and back-end systems. Deliver high-quality code, iterate on user-facing interfaces, and collaborate with engineers to build secure solutions supporting national defense missions.

Design, implement, and optimize scalable data ingress/egress pipelines and distributed processing (Apache Spark). Develop orchestration using Apache Airflow, automate with Bash/Linux, code in Python/Java, perform data wrangling in Jupyter using pandas/NumPy, query large datasets with SQL, ensure data quality, and use Git for source control.

Design, implement, and maintain GitLab-based CI/CD pipelines and GitLab Runners; develop Bash and Python automation; manage containerized builds with Docker and registries; apply IaC (Ansible) and DevOps best practices; create reusable CI/CD templates and shared libraries; collaborate with cross-functional teams to automate build, test, and deployment workflows while ensuring pipeline security and reliability.

We seek a Senior Java Software Engineer with expertise in Java and Linux to develop high-performance applications in distributed environments.

The Software Engineer Level 1 will design and implement software solutions for cyber capabilities, ensuring performance, security, and scalability across systems. Responsibilities include development, testing, debugging, and collaboration within cross-functional teams.

Develop, enhance, and maintain complex software systems while collaborating with teams to deliver scalable, high-performance solutions and design algorithms.

The Software Engineer Level 2 will develop, enhance, and integrate complex software systems, lead teams, and ensure high-quality technical deliverables in a mission-focused environment.

The Cloud Software Engineer 2 develops, maintains, and enhances Big-Data Cloud systems, contributing to back-end processing and utilizing various technologies for cloud computing and distributed systems.

Develop and enhance complex Big-Data Cloud systems, contributing to all stages of back-end processing including coding, testing, and software design.

Build and maintain multi-cloud infrastructure standards, self-service tooling, and paved-road defaults across AWS and GCP. Partner with compute, security, and networking teams to embed guardrails, drive standardization, lead cross-team initiatives, and resolve systemic operational issues to ensure secure, scalable, and reliable platform infrastructure.

Design, build, and own backend services for prediction markets across market lifecycle: creation, trading, oracle resolution, settlement, and payouts. Build low-latency, high-throughput microservices and event-driven systems, drive reliability via SLOs and observability, lead incident response, set technical standards, and mentor engineers while partnering cross-functionally to deliver product and compliance-aligned roadmaps.

Serve as the technical IC leader for the Provider organization: set technical roadmap and engineering standards, design and review architectures, drive cross-team initiatives, mentor engineers, and deliver high-throughput, low-latency, cloud-based microservice systems for provider-focused products.

Hands-on senior full-stack engineer building and supporting user-facing features, infrastructure, and AI-powered workflows (LLM integration, RAG, agents). Drive architecture, dev experience, CI/CD, and partner with product and program teams to deliver a scalable education platform.

Build and operate scalable backend services and integrations for chat, voice, and agent-assisted support. Improve reliability, performance, and AI-driven capabilities; collaborate across product, design, AI, and operations; mentor engineers and lead technical design and architecture.

The Signals Software Engineer develops and maintains signal processing software, conducts testing, and resolves software issues while adhering to strict development methodologies and guidelines.

Develop, maintain, and enhance complex software systems and enterprise data pipelines. Integrate and report data into Splunk, design and implement RESTful services and presentation tiers, deploy to Apache Tomcat, debug and test components, lead small teams, collaborate with system and hardware engineers, and improve development processes and documentation.

As a Senior Implementation Engineer, you'll own technical projects, enhance the Java codebase, automate processes, integrate systems, and collaborate with customers on infrastructure design.

Seeking a Senior DevOps Engineer for OpenSesame, focusing on CI/CD pipelines, cloud infrastructure, and automation. Responsibilities include improving developer experience and mentoring teams.

The Senior HPC Cluster Engineer will optimize GPU clusters, troubleshoot InfiniBand networks, integrate new hardware, enhance automation systems, and manage GPU devices in HPC environments.

Design, build, and launch reliability engineering projects to scale production services. Improve scalability, observability, secrets/configuration management, canary-based deployments, and deployment safety. Partner with teams, support critical services, participate in on-call rotations, and promote reliability best practices.

Own end-to-end frontend development for core crypto payment flows across web and mobile. Improve latency, availability, and SLOs; build user-facing features (contacts, real-time transaction status); identify and fix performance bottlenecks; partner with product/design/backend; mentor junior engineers to reduce customer friction at scale.

Lead design and delivery of major product areas across web and mobile. Build and improve React/React Native apps, design scalable systems and data models, optimize performance, mentor engineers, set engineering standards, and collaborate with cross-functional stakeholders in a fully remote environment.