Top Software Engineer Jobs in Baltimore, MD

Build and extend a multi-tenant Kubernetes control plane using Go, Crossplane, and Cluster API. Design CRDs and controllers, implement orchestration and reconciliation logic, customize providers for AWS/Azure/Proxmox, mentor engineers, maintain ADRs, and ensure reliability, observability, and secure CI/CD workflows for production environments.

Design, develop, debug, and support scalable software for the AIM product line. Collaborate on design reviews, extend components to meet client requirements, follow engineering processes, and continuously improve software quality.

Design and deliver blockchain network infrastructure and platform APIs, lead multi-quarter initiatives (chain integrations, re-architecture, data migrations), define APIs/SLOs/observability and on-call ownership, ship SDKs and platform primitives, establish data contracts, and simplify cross-chain operations to enable analytics, ML, and data engineering teams.

The Senior Software Engineer will develop and support internal applications, oversee testing and coding, lead the software development life cycle, and collaborate with stakeholders in an Agile environment.

Lead technical direction and delivery for the Acquisition & Onboarding full‑stack team. Build and maintain mobile (React Native/native) and web experiences, backend services at scale, and operational tooling. Drive architecture, mentor engineers, ensure reliability/monitoring/on‑call readiness, collaborate with product and design, and improve dev processes, testing, and release practices to impact conversion and retention.

The Senior Backend Software Engineer will design and maintain backend systems, optimize performance, ensure security compliance, and mentor junior engineers in a collaborative environment.

Design, develop, maintain, and enhance SmartCop public-safety applications across the software development lifecycle. Collaborate with cross-functional teams, use C#/.NET and MS SQL Server, consume/develop web services, apply object-oriented design, leverage AI-assisted development tools, participate in code reviews, and follow automated testing and quality-focused practices. Support deployment, troubleshooting, and implementation decisions while meeting North American Central Time collaboration requirements.

Build and maintain internal web services and UIs to support deployment workflows, strengthen CI/CD and release safety, improve observability and auditability, and operate internal services including on-call support and production rollouts.

The role involves building user-facing features, collaborating with product and design teams, and ensuring high-quality product delivery while optimizing performance across systems.

The Software Engineer will scale and optimize the platform's infrastructure, manage data layers, and enhance system operations to support growing LLM requests.

As a Software Engineer at OnePay, you will develop and implement features, build scalable products, and work closely with teams to enhance customer experiences.

The Software Developer designs, builds, and maintains custom software solutions, collaborating closely with product owners and development teams to deliver high-quality software while participating in Agile Scrum ceremonies.

As a Software Engineer, you will develop and maintain features using AI-assisted tools, collaborate with teams, and enhance software solutions for better user insights.

Develop, integrate, and test spacecraft flight software across the full lifecycle. Implement and upgrade cFS-based applications, perform unit-to-platform verification in simulation and HIL/FlatSat environments, support integration with hardware and payloads, and participate in anomaly resolution, mission operations support, and proposal activities.

The Senior iOS Engineer will lead product decisions, ship code for the iOS app, and enhance the app's architecture, ensuring a user-centric experience.

Build and operate CrewAI's infrastructure across AWS, Azure, and GCP. Own containerized deployments, CI/CD pipelines, observability, secrets, networking, databases, and on-call reliability. Harden security, automate deployments and installs, partner with runtime and product engineers, and reduce operational toil through tooling and automation.

Build and operate Sourcegraph Cloud platform: develop inter-cloud connectivity, control plane orchestration, expose infrastructure APIs, debug and patch upstream IaC dependencies, ensure reliability and participate in on-call rotation to meet SLAs.

Develop and optimize distributed systems for syncing customer data, focus on scalability, reliability, and performance for global clients.

Lead architecture, development, and long-term direction of Twilio's Android Voice and Video SDKs. Maintain WebRTC/SIP/C++ layers, improve CI/CD and build pipelines, ensure cross-platform convergence, raise code quality and test coverage, mentor engineers, triage customer issues, and own developer experience and SDK reference apps.

Lead architecture, development, and long-term direction of Twilios Android Voice and Video SDKs. Own SDK roadmap, maintain WebRTC/C++ layers, improve CI/CD and build pipelines, enhance test coverage and reference apps, triage customer issues, and collaborate cross-platform while mentoring engineers and documenting best practices.

Develop, test, deploy, and maintain software by collaborating with cross-functional teams. Write clean code, create verification and QA plans, debug and upgrade existing systems, integrate RESTful APIs, use version control, and document functionality. Evaluate user feedback and support deployments.

Design, develop, maintain, and operate ANSWERLAKE backend systems providing compliant storage, analytics results, and APIs. Support a U.S. Government customer, work on microservices, containerized deployments, monitoring, and DevOps practices while collaborating on Agile teams.

Senior Software Engineer to sustain and enhance mission-critical government software and systems. Provide technical expertise across full-stack and cloud-based data pipelines, develop solutions using Python, PySpark and AWS services, work on Agile teams, and support cybersecurity-focused projects requiring cleared personnel.

Support and sustain mission-critical backend and full-stack software for a U.S. Government customer. Lead design and implementation of state management, metadata tracking, and high-availability distributed systems using Java/SpringBoot, containerization, cloud services (AWS), databases, and messaging. Mentor engineers, collaborate with teams, and ensure secure, scalable solutions aligned with mission requirements.

Modernize a legacy operational system into microservices: develop Java Spring Boot and Python services using AWS (Lambda, Step Functions, EC2, S3), build REST APIs, implement CI/CD with Maven/GitLab/GitOps, and collaborate in Agile teams to sustain mission-critical government software.