Top Senior Software Engineer Jobs in Baltimore, MD

Lead delivery for the Batch Infrastructure team: design, build, and operate reliable, scalable compute platforms for scheduled and on-demand batch workloads. Collaborate with product/design/analytics, define technical plans, ensure availability (monitoring/on-call), set code and design standards, and mentor engineers to improve delivery and quality.

Design and build cloud-native ETL/ELT pipelines and microservices, modernize on-prem systems to distributed services, implement authentication/authorization and data governance, ensure data quality and observability, drive architecture and CI/CD best practices, mentor engineers, and collaborate with stakeholders across a US Navy-focused defense program.

Lead backend engineering for cloud-native, event-driven data pipelines and customer integrations (especially EHRs). Evolve core data models and APIs, improve scalability and reliability, mentor engineers, define best practices, and drive end-to-end testing and AWS-based solutions.

Build and maintain backend systems, payment integrations, data pipelines, and user experiences for Flex’s partner engineering platform. Design robust, fault-tolerant services that integrate with external dependencies, using Java, Spring, AWS, REST APIs, message queues, and scalable architectures. Collaborate cross-functionally with engineering, product, design, infrastructure, sales, partners, and customer success while mentoring engineers and improving development standards.

Design, implement, and operate features for Temporal’s open source distributed systems server. Solve challenges involving scheduling, task processing, workflow execution, persistence, quotas, visibility, and performance. Improve reliability through testing, observability, dashboards, alerts, runbooks, and documentation. Collaborate across engineering and product teams, participate in design reviews, contribute to developer experience, and mentor junior engineers.

Design and implement PostgreSQL internals and indexing/query features for large-scale document workloads, extend query engine with BSON-aware operators and custom scan nodes, tune index pruning and storage, profile distributed systems for performance, collaborate with open-source DocumentDB/PostgreSQL communities, and participate in design/code reviews.

Design, evolve, and operate core data models and APIs for complex communications networks. Build durable abstractions for heterogeneous physical and logical networks, while maintaining interface quality, compatibility, consistency, and performance. Collaborate with experienced engineers to manage priorities, timelines, and deliverables across production systems. The role requires strong software engineering fundamentals and proficiency in Golang, C/C++, Rust, or Java.

Build and operate managed compute primitives for Temporal Cloud, including autoscaling systems, cloud integrations, control-plane and data-plane services, and multi-tenant execution infrastructure. Own architecture, APIs, reliability, observability, rollout strategies, incident response, and long-term maintenance. Lead technical design, cross-team platform initiatives, code reviews, and mentorship while ensuring secure, performant, and fault-tolerant customer-facing services.

Design, build, and operate highly scalable distributed storage systems for Temporal Cloud. Responsibilities include developing persistence APIs, replication paths, caches, tiered storage, and observability; improving reliability and performance through SLO ownership, chaos testing, profiling, and incident reviews; and providing technical leadership through roadmap planning, RFCs, mentoring, and cross-team delivery.

Lead the design and development of globally scalable traffic management and networking systems. Drive architecture, technical roadmaps, secure-by-default infrastructure, network optimization, cloud orchestration, and operational excellence. Partner cross-functionally with engineering, product, security, customers, and internal teams while mentoring engineers and guiding high-impact distributed systems projects.

Designs and builds scalable, reliable infrastructure systems across compute, networking, cloud orchestration, storage, and observability. Drives technical strategy, architecture, roadmaps, cross-team alignment, cost optimization, and secure-by-default practices. Requires extensive experience with coding, concurrent and distributed systems, cloud platforms, system-level tradeoffs, and infrastructure engineering.

Lead the architecture and delivery of scalable backend systems supporting customer onboarding, account lifecycle management, billing, metering, marketplace integrations, revenue data synchronization, and customer-facing usage reporting. Build reliable distributed systems, data pipelines, and integrations while ensuring correctness, observability, compliance, and operational readiness. Partner with Finance, RevOps, Sales, Support, Product, and Engineering, provide technical leadership, mentor engineers, and improve customer and developer experiences.

Lead the technical vision, architecture, and implementation of large-scale cloud infrastructure powering Temporal Cloud. Drive multi-cloud compute, traffic, security, automation, scalability, performance, and reliability initiatives. Provide hands-on coding, technical mentorship, design review leadership, roadmap development, cross-team alignment, executive advising, and customer engagement while elevating engineering and operational excellence.

Design, build, and operate highly scalable, multi-tenant cloud storage systems for workflow data. Responsibilities include developing persistence APIs, storage abstractions, replication paths, caches, tiered storage, and observability; improving reliability and performance through SLOs, chaos testing, profiling, and incident reviews; leading technical designs, mentoring engineers, and collaborating across teams.

Build and evolve Nexus interfaces across Temporal SDKs, integrating language runtimes with durable, deterministic workflow execution. Design APIs, implement concurrent distributed-system features, support multiple programming languages, collaborate with open-source communities, debug complex issues, and document technical concepts. The role also contributes foundational runtime capabilities for agentic AI systems and requires occasional coworker travel.

Seeking a Senior Software Engineer/Reverse Engineer to develop security tools and solutions for government contracts, working independently and collaboratively in an agile environment.

The Senior Software Engineer will support a U.S. Government customer by providing technical expertise to sustain critical mission-related software and systems, utilizing Agile methodologies and various technologies like AI and DevOps.

The Senior Software Engineer will provide technical expertise to sustain mission-critical software for a U.S. Government customer. This role involves utilizing strong Java skills and experience in advanced software processes, working in an agile environment within a collaborative team.

Senior Software Engineer to sustain and enhance mission-related software for a U.S. Government customer. Work spans full-stack/cloud development, DevOps/containerization, and cybersecurity-focused applications. Collaborate on Agile teams to deliver reliable systems and integrate APIs, testing, and automation. Requires cleared, experienced engineers.

Administer, maintain, and support the PaaS component of a secure, multi-tenant Kubernetes-based compute environment. Integrate, install, configure, upgrade, and sustain COTS/GOTS software on Linux. Ensure cluster reliability, scalability, security compliance, and performance; troubleshoot workloads; automate with IaC/Ansible, Helm, and scripting; monitor with Prometheus/Grafana; and manage source control with Git.

Administer, maintain, and support a Linux-based PaaS Kubernetes environment: integrate and deploy COTS/GOTS software, manage cluster reliability and security, troubleshoot workloads, automate with IaC (Ansible), write Helm charts, script (Bash/Python), and monitor using Prometheus/Grafana.

As a Senior Software Engineer, you will analyze user requirements, debug software, improve processes, and collaborate with the team to deliver high-quality software solutions.

The role entails managing system requirements, coordinating design and testing efforts, and developing documentation for systems engineering projects, requiring significant software experience and expertise in Python and Linux.

Develop, maintain, and enhance software systems focusing on data pipelines, machine learning analytics, and cloud technologies while integrating models within defense systems.

Build and maintain Doowii's core product: front-end interfaces and UX for data querying, backend APIs and cloud infrastructure, real-time data interaction and optimized data models, ingestion pipelines (NiFi->Kafka->Iceberg->BigQuery), and model evaluation/LLM-driven features to deliver accurate, performant conversational analytics for education.