Top Senior Software Engineer Jobs in Baltimore, MD

The Senior Software Engineer will lead projects, architect solutions, mentor junior staff, and work full stack on platform development.

Design, implement, and maintain backend services and core APIs (primarily Scala). Collaborate on architecture, improve system reliability, and deliver production software for legal AI products.

The Senior .NET Software Engineer will drive development of .NET software products, focusing on back-end engineering, code reviews, and collaborating with cross-functional teams.

Lead design and implementation of the Libraries Platform: services, pipelines, and package index to build, verify, and serve secure reproducible libraries. Automate artifact creation, CVE remediation, SBOM/provenance generation, AI-assisted patching, and operate registry/mirroring, CI/CD integrations, reliability, observability, and incident response while mentoring engineers.

Senior engineer responsible for designing, building, and operating scalable data ingestion, processing, storage, and member-facing membership application. Drive architecture decisions, mentor engineers, build data pipelines, APIs, and ensure reliability, observability, CI/CD, and documentation while partnering with product and analytics stakeholders.

Design, develop, test, deploy, and maintain software solutions; lead technical efforts, analyze requirements, define features with Chief Engineer, conduct design/code reviews, complete large features independently, and drive codebase improvements.

The Software Engineer develops and maintains diverse software systems, analyzes user requirements, designs software, debugs defects, and creates performance-driven solutions for federal clients.

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

Design and develop embedded firmware and software for precision photonics instruments, including microcontroller firmware, RTOS/bare-metal systems, GUI applications, debugging with lab tools, architecture planning, documentation, production support, and mentoring junior engineers.

Design, develop, and deploy mission-critical AI and analytics solutions within a governed environment, ensuring compliance and integration with advanced AI capabilities.

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

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 Software Engineer (Data Management) develops automated security evaluation processes, maintains Pig and PySpark analytics, and ensures data accuracy and reliability for user operations.

Lead complex software projects, mentor engineers, and set technical direction at Vanta while contributing to security and compliance solutions.

Lead full‑stack engineer responsible for designing, developing, testing, and deploying secure, scalable end‑to‑end software systems using Agile/SAFe methodologies. Collaborates with cross‑functional teams to meet technical, functional, and security requirements for mission‑critical applications and delivers production‑ready solutions. Requires active TS/SCI clearance.

Develop and modernize two large enterprise DNA and forensics software products. Responsibilities include maintaining C# and VB.NET codebases, optimizing SQL Server stored procedures, managing data mapping, maintaining WinForms interfaces, implementing chain-of-custody business rules, meeting regulatory requirements, and troubleshooting complex systems with architects and QA.

Design, implement, and optimize high-performance backend systems in Rust for an xOT security platform. Participate across the development lifecycle—debugging, testing, and performance tuning—while integrating relational and NoSQL data stores, microservices, third-party devices, and AI tools. Provide technical leadership, code review feedback, and promote secure, reliable, observable distributed systems.

Design and develop backend services and APIs for identity resolution, optimize event-driven systems, and enhance system reliability. Mentor engineers and influence architectural decisions.

As a Lead Software Engineer, you'll design and develop GenAI platforms, integrate LLMs, mentor engineers, and solve technical challenges for scalable solutions.

Lead design and implementation of the PSA Liquidity Platform connecting buyers and sellers. Build buyer tooling, matching/ranking engines, and seller experiences. Architect and operate microservices and Kafka-driven systems on Kubernetes/AWS, instrument observability, apply AI tooling across the SDLC, and drive cross-functional delivery from 0-to-1 while owning end-to-end outcomes.

Lead backend and full-stack work on the Payments team, building multi-gateway integrations (Stripe, PayPal), payment APIs, and customer payment UIs. Ensure secure, compliant (PCI-DSS) payment flows, reliability, observability, and scalability across AWS/Kubernetes microservices. Partner cross-functionally to design architecture, implement settlement/reconciliation, and maintain high availability.

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.

Build and scale full-stack systems to improve provider onboarding and supply; design distributed, maintainable services; lead high-priority projects; mentor engineers; integrate AI-assisted and LLM-based features; drive provider-facing product quality and reliability.

Architect and refine scalable cloud infrastructure software for enterprise and internet-scale environments. Responsibilities include developing robust software, designing systems supporting 1,000+ nodes, optimizing performance, and collaborating with distributed technical teams in agile environments.