Top Senior Software Engineer Jobs in Baltimore, MD

Lead the technical direction of Carrum Health’s billing and payments platform. Centralize pricing, define billing service boundaries and data models, and build reliable systems for invoicing, provider payments, and financial reporting. Partner with Product, Finance, Operations, and Data on cross-team initiatives, write architectural documentation, mentor engineers, and ensure financial correctness, observability, auditability, and safe rollbacks. Work primarily with Ruby on Rails, React, PostgreSQL, Docker, and AWS in a remote-first startup environment.

Staff Software Engineer responsible for designing scalable distributed systems and full-stack web applications supporting provider acquisition, onboarding, and marketplace supply growth. The role leads cross-team technical initiatives, shapes engineering strategy, mentors developers, and delivers provider-facing products from discovery through post-launch support. Experience with AI-assisted development workflows and technologies such as Node.js, React, TypeScript, Kafka, AWS, Docker, and Kubernetes is valued.

Build and maintain scalable full-stack web applications using PHP, Laravel, React, Next.js, SQL, and related technologies. Own features from design through deployment and monitoring, develop APIs, optimize databases and legacy systems, troubleshoot performance issues, and contribute to code quality, security, and engineering practices. Collaborate cross-functionally in an agile, continuous-deployment environment while using AI-assisted tools responsibly.

Build secure software for government and defense clients using Palantir Foundry and modern engineering practices. Responsibilities include decomposing business problems, supporting agentic development, pairing with client and military engineers, delivering continuously, measuring user outcomes, facilitating technical discussions, managing technical debt, and mentoring less experienced engineers. The role requires full-stack development, API development, containerization, DevSecOps, TDD, agile methods, and active DoD clearance.

Own Headway’s cloud platform and infrastructure engineering strategy. Lead deployment isolation, container orchestration, AWS networking and compute, autoscaling, capacity planning, Terraform self-service infrastructure, cloud cost attribution, and Python runtime performance. Build reliable paved-road tooling that enables engineering teams to deploy safely and independently while improving scalability, observability, and operational resilience.

Designs and develops scalable full-stack eCommerce platforms using Java, Spring Boot, React, and TypeScript. Leads microservices and micro-frontend architecture, cloud-hosted platforms, distributed data and messaging solutions, streaming and batch pipelines, payment integrations, performance optimization, accessibility, and PCI-DSS compliance. Provides technical leadership, mentoring, architecture guidance, code reviews, documentation, and cross-functional collaboration.

Lead technical strategy and execution for build, test, release, and deployment systems. Drive initiatives to improve developer productivity, deployment safety, and platform reliability. Coordinate cross-team projects and migrations, contribute high-impact code, coach engineers, and lead incident response and resilience improvements for shared engineering systems.

Develop and architect scalable iOS applications used by millions of customers. Lead mobile engineering practices involving clean architecture, dependency injection, performance optimization, testing, reliability monitoring, and maintainable code. Collaborate with Product, Design, and Engineering teams to deliver features, stay current with iOS technologies, and promote technical excellence across the iOS engineering community.

Leads architecture and development of complex backend services for a commercial health plan platform. Designs .NET Core and Azure systems, develops claims, eligibility, and benefits functionality, manages healthcare data integrations, and owns cloud infrastructure and CI/CD architecture. Provides technical leadership through code reviews, testing standards, mentoring, and architecture decisions while ensuring performance, reliability, security, and regulatory compliance.

Leads backend architecture and technical direction for the Node.js sub-team while developing complex Node.js, TypeScript, and Next.js services. Designs APIs, authentication, data models, caching, messaging, and resilient systems; oversees performance, testing, CI/CD, security, and HIPAA compliance. Mentors engineers, leads code reviews, establishes coding standards, and collaborates with frontend and mobile teams. The role is remote for candidates in Eastern or Central time zones, with an in-person Dallas interview required.

Lead end-to-end development of modern frontend initiatives using React and Electron. Design scalable architecture, improve performance and test coverage, resolve production issues, influence technical decisions, and collaborate with Product, Design, and Backend teams. The role includes mentoring engineers, maintaining code quality, supporting observability and incident response, and building secure, high-quality customer-facing payment and form workflows.

Develop and support scalable Python services, APIs, and event-driven systems for digital freight pricing and booking. Build experimentation frameworks, AI-assisted pricing harnesses, validation guardrails, real-time platforms, and machine-learning integrations. Lead architecture decisions, ensure security and reliability, mentor engineers, and collaborate across product, operations, revenue management, data science, and engineering teams.

Lead platform and infrastructure architecture for scalable AI workloads. Design resilient distributed systems, foundational platform services, and cloud environments; solve complex infrastructure challenges; mentor junior engineers; and collaborate with product, research, and security teams to improve reliability, performance, developer experience, and operational efficiency.

Build enterprise control-plane products for managing Hightouch deployments at scale. Responsibilities include developing roles, permissions, and access control; creating change-management tools for evolving data models and warehouses; and helping customers understand and optimize warehouse performance and costs. The role requires backend and distributed-systems architecture, asynchronous workflows, scalability, reliability, product thinking, and engagement with product specifications.

Design, build, and optimize distributed systems powering large-scale data synchronization. Responsibilities include improving sync speed, developing real-time streaming capabilities, scaling high-volume and low-latency systems, troubleshooting customer scaling challenges, and supporting multi-region, multi-cloud infrastructure and data residency requirements. The role involves end-to-end project ownership, customer collaboration, system architecture, and reliability improvements.

Develop and maintain distributed web applications, full-stack solutions, microservices, APIs, data pipelines, and cloud-native systems. Deploy secure services in high-side environments, automate infrastructure and CI/CD workflows, and collaborate with analysts and security researchers on offensive cyber capabilities. Rapidly prototype mission-critical solutions using modern cloud architectures, DevOps practices, and AI-assisted development tools.

Develop and maintain scientific research data applications for the USDA National Agricultural Library. Responsibilities include microservices, RESTful APIs, ETL and data migration, SaaS configuration, repository dashboards, QA and automated testing, production deployment, troubleshooting, accessibility compliance, and technical documentation. The role collaborates with federal stakeholders and technical teams in an Agile environment using Linux, open-source technologies, GIS, relational databases, and modern web development tools.

Design and evolve scalable referral, partner data, and patient booking systems. Lead complex technical projects across teams, make architecture and API decisions, improve security, performance, reliability, and scalability, and mentor engineers. Collaborate with product, design, engineering leadership, partners, and stakeholders while using AI-assisted development tools such as Claude Code to improve delivery velocity and quality.

Integrates and supports software systems in a Linux environment, combining software development with system administration. Responsibilities include developing in Python, C, and Bash; monitoring with Thruk, Nagios, Splunk, Prometheus, and Grafana; automating with Salt and Ansible; managing GitBucket repositories; and working with Jira, Confluence, and Slurm. The role requires an active TS/SCI clearance with polygraph and may initially involve substantial system administration work.

Integrate and support software systems in a Linux environment, with up to 50% of initial work focused on system administration. Develop with Python, C, and Bash; manage monitoring through Thruk, Nagios, Splunk, Prometheus, and Grafana; automate using Salt and Ansible; and use GitBucket, Jira, Confluence, and Slurm. An active TS/SCI clearance with polygraph is required.

Design and build Seeq’s internal platform, including infrastructure, services, multi-tenant Kubernetes clusters, system interfaces, and secure deployment capabilities. Improve scalability, reliability, software delivery, and infrastructure cost and performance. Lead migrations, integrate security practices, architect distributed systems, collaborate cross-functionally, and mentor engineers while remaining hands-on at Staff or Principal scope.

Build and operate site reliability engineering practices for regulated, cloud-based production environments. Responsibilities include observability, SLIs/SLOs, incident response, infrastructure automation, Kubernetes and cloud operations, disaster recovery exercises, compliant deployments, root-cause analysis, and reliability improvements. The role partners with engineering, product, laboratory, compliance, and quality teams while mentoring peers and helping establish the organization’s SRE culture.

Lead design, implementation, and deployment of core platform tooling enabling secure, cloud-native application delivery. Integrate with defense systems, own architecture, mentor engineers, contribute to open source, maintain documentation, and participate in a shared 24x7 on-call rotation.

Build and operate Numeral’s public API, MCP server, billing and ERP integrations, infrastructure, data pipelines, and platform services. Own projects from design through production, improve observability and reliability, automate deployment workflows, and contribute to architecture decisions. The role requires strong backend engineering, distributed systems knowledge, cloud and container experience, and a customer-focused approach to dependable financial automation.

Build and scale AI-enabled developer experience systems, including CI/CD platforms, deployment safeguards, observability, automated response workflows, and multi-agent orchestration. Reduce developer toil and technical debt while improving software delivery speed, safety, reliability, and production quality. Partner with engineering teams to adopt AI-native delivery practices and convert emerging capabilities into scalable internal platforms.