Top Senior Software Engineer Jobs in Baltimore, MD

Own and lead the technical direction of a major codebase section while designing, building, testing, documenting, and maintaining secure, scalable API-based decisioning products. Partner with product, engineering, and security teams on agile delivery, troubleshoot production issues, meet SLA requirements, and participate in an on-call rotation.

Own complex software systems and critical workflows end-to-end while ensuring reliability, performance, security, and maintainability. Lead architectural decisions, mentor engineers, manage incident response, improve system health, and communicate effectively with technical and non-technical stakeholders. The role requires extensive Ruby on Rails, AWS or equivalent cloud infrastructure, Linux production operations, frontend development, relational databases, testing, CI/CD, and observability experience.

Designs and maintains automated test frameworks and exploratory suites for products, APIs, SDKs, AI models, and data platforms. Develops functional, integration, end-to-end, regression, API, browser, load, and reliability tests; creates datasets, evaluation pipelines, dashboards, and CI/CD release gates. Partners across Engineering, Research, Product, Data, and Infrastructure to validate model behavior, data quality, performance, and production readiness. Documents reproducible defects, supports triage, and communicates risks.

Own the design, development, and automation of Coinbase’s routing infrastructure connecting services to Kubernetes backends. Build scalable capabilities using Envoy, Istio, Ambient Mesh, and SPIFFE; improve routing latency, reliability, and performance; enhance developer tooling with responsible AI; and collaborate with security, reliability, and observability teams to resolve complex distributed-systems issues.

Build and operate multicloud Kubernetes infrastructure and platform capabilities, including cloud foundations, networking, identity, cluster lifecycle, disconnected deployments, packaging, GitOps delivery, infrastructure as code, observability, upgrades, and incident response. Partner with engineering teams to provide reusable self-service infrastructure primitives across commercial, government, secure, classified, and disconnected environments.

Design and develop high-performance optimization and scheduling systems for complex network-resource allocation problems. Translate network requirements into computational models, improve solution quality and scalability, and evolve solver architecture for reliability. Responsibilities include managing project priorities, designing, testing, debugging, and maintaining production software. Preferred experience includes numerical optimization, solver development, performance profiling, distributed or cloud computing, and telecommunications or networking.

Build and maintain NetBox Enterprise, an on-premises product suite. Responsibilities include architecting Kubernetes-based high-availability solutions, extending Kubernetes operators, developing lifecycle management tools, building CI/CD pipelines, managing releases, writing Rust and Python, supporting integration testing, documenting deployment practices, and resolving customer deployment and operational issues.

Build and own high-performance UI features for Netflix’s TV application across streaming sticks, smart TVs, and cable boxes. Collaborate with product, design, algorithms, and engineering teams to define experiences, validate product variants through A/B testing, and deliver reliable, testable code. Lead large cross-functional projects while working with TypeScript, JavaScript, React, Redux, Node.js, GraphQL, and proprietary Jest-based automation frameworks.

Participate in all phases of the software lifecycle: requirements, design, development, integration, testing, deployment, and maintenance. Develop backend web services, implement databases and APIs, use containers and cloud platforms, apply automated testing and Agile practices, support system administrators, create training materials, and mentor junior engineers.

The Software Engineer develops and enhances complex software systems, analyzes user requirements, and leads software development teams while ensuring quality and adherence to standards.

Develop and maintain Python backend services, primarily with Flask, while designing scalable architecture and integrating legacy systems. Build AWS solutions using Lambda, Cognito, SNS, SQS, and DynamoDB; maintain CI/CD pipelines and infrastructure as code with OpenTofu and Terraform. Collaborate in an Agile/Scrum environment, contribute to technical decisions and engineering standards, review code, and mentor junior developers.

As a Full Stack Software Engineer, you will develop and maintain robust backend systems using Ruby on Rails, collaborating with cross-functional teams to enhance the real estate platform's performance and user experience.

Design and implement Wi‑Fi 6 (802.11ax) and 802.11s mesh networking software for enterprise access points. Develop HMAC components, optimize throughput/latency/airtime, integrate on NXP-based Embedded Linux platforms, maintain hostapd/wpa_supplicant/mac80211, debug with packet captures, and collaborate with RF/firmware/QA teams for product releases.

Design, develop, and implement complex Java software capabilities for computer-based systems. Build enterprise APIs, RESTful services, and microservices while applying object-oriented design and agile practices. Integrate AI coding agents for feature development, refactoring, testing, and codebase management. Troubleshoot issues, test software, review agent-generated code, and collaborate with engineers in a fast-paced environment. Work onsite at Fort Meade and Columbia, Maryland, at least one day weekly, with potential for increased onsite work.

As a Senior DevOps Software Engineer, you will automate infrastructure, manage deployment pipelines, and support development in a DoD environment while collaborating across teams.

The Software Engineer Level 3 will design, develop, and maintain software systems, focusing on security and quality within an Agile team environment.

Lead a development team to design, build, and test software applications for Windows and Unix, ensuring high-quality GUI and implementation in an agile environment.

Design, build, and maintain enterprise software and integrations. Analyze requirements, create technical designs, develop APIs, implement front-end features (Angular preferred), write tests, troubleshoot performance, and collaborate with product, architecture, and QA using Agile practices.

Develop, maintain, and enhance complex software systems and databases. Debug and modify code, design and implement algorithms, integrate and configure ServiceNow solutions, lead and oversee development teams, coordinate with engineers and stakeholders, implement testing and quality control, and recommend technologies and process improvements.

The Principal-Level Software Engineer develops custom analytics, integrates solutions, collaborates with data scientists, and supports operationalizing data science at scale.

The role involves developing analytics using Java MapReduce and Python, working collaboratively with customers, and providing software development across multiple phases.

Develop full stack solutions and support modernization efforts for mission-critical tools while collaborating with a team to explore new technologies and prototypes.

Develop, maintain, and run Pig and PySpark analytics to ensure reliable data ingest and delivery. Review data ingest tickets and merge requests, troubleshoot data accuracy and support day-to-day operations to enable automated, continuous monitoring and security evaluation across the project lifecycle.

Senior full-stack developer to design, build, and deploy end-to-end software solutions. Responsibilities include Python scripting and data processing, containerized deployments using Docker, Kubernetes, and Helm, providing customer support, and ensuring architecture and future enhancements. Requires strong initiative and security clearance.

Seeking a Senior AWS Software Engineer to support a U.S. Government customer by providing technical expertise for mission-related software and systems, requiring active TS/SCI clearance.