Top Senior Software Engineer Jobs in Baltimore, MD

Develops, maintains, tests, debugs, and enhances complex software systems based on documented requirements. Designs and implements software, algorithms, database interfaces, and queries; integrates systems; resolves defects; analyzes performance; and contributes to system design, documentation, testing, and development process improvements. May lead software teams and requires experience supporting comparable federal programs.

Develops, maintains, enhances, reviews, and tests complex software systems based on documented requirements. Responsibilities include software design, coding, problem resolution, requirements analysis, technical documentation, readiness reviews, and presentations. The role may involve analytics, algorithm development, large data sets, real-time systems, and business information systems while following government software development procedures.

Develop and maintain Java and Angular applications, RESTful APIs, service integrations, and database components. Support Spring Boot and database modernization, microservices, containerization, Kubernetes deployments, CI/CD pipelines, automated testing, code reviews, troubleshooting, and technical documentation. Provide backup administration for Oracle, PostgreSQL, and MariaDB while supporting cloud and on-premises environments.

Lead technical strategy, build and maintain software systems using AI, mentor early-career engineers, collaborate across disciplines, and protect user privacy and security. The role involves developing scalable systems on AWS and Kubernetes while working with healthcare data and adhering to HIPAA and data-security best practices.

Build and operate high-throughput backend services powering AI agent orchestration, connector integrations, and real-time data pipelines. Design scalable core platform services, collaborate with ML, frontend, and product teams, implement infrastructure-as-code and CI/CD, and mentor junior engineers to deliver reliable, AI-powered features.

Design and build reliable backend services and integrations for Coinbase’s Unified Merge Gate. Lead automated code review, policy evaluation, CI evidence, authorization, merge controls, repository migrations, safe rollouts, observability, and operational ownership. Partner with Security, Compliance, Infrastructure, and engineering teams to improve software review and deployment workflows while measuring merge quality, review volume, time-to-merge, and escaped defects.

Design, scope, and implement scalable backend and platform solutions for a reservations and waitlist product. Improve performance and usability, collaborate with Product and Design, identify high-impact opportunities, and contribute across the stack including APIs and front-end integration.

Leads technical vision and strategy for Affirm’s Marketplace, Search, Ads Platform, and consumer experiences. Designs scalable full-stack platforms, guides architecture and technical excellence, coordinates initiatives across engineering teams, mentors engineers, and drives reliable delivery of customer-focused products across iOS, Android, and Web.

Designs, develops, tests, troubleshoots, and implements Java software capabilities, enterprise APIs, RESTful services, and microservices. Uses AI coding agents for feature development, refactoring, testing, and codebase navigation. Collaborates in an agile team, manages multiple deadlines, maintains software quality and security, and supports evolving technologies. The role requires hybrid work in Columbia, Maryland, or San Antonio, Texas, and eligibility to obtain a U.S. government security clearance.

Senior .NET Software Engineer responsible for end-to-end software development using Microsoft technologies. Requires extensive experience in SDLC, design principles, technical documentation, web application development with .NET, Agile/SCRUM, Entity Framework, database design, and version control. Familiarity with project tools JIRA, TEMPO, Bitbucket, and Confluence preferred.

Develop scalable full-stack web applications using React, TypeScript, Next.js or Vite.js, Node.js, and NestJS. Build APIs, integrate databases, third-party services, and blockchain technologies, and create responsive user interfaces. Collaborate with product, design, and engineering teams while optimizing performance, participating in code reviews, testing, troubleshooting, and continuous improvement. The role also involves Web3 wallet and smart contract integrations, technical discussions, and working effectively with distributed teams.

Build, enhance, and maintain frontend web applications for data lake and warehouse products. Develop JavaScript, HTML, and CSS; use web frameworks, REST APIs, Git, and Unix tools; collaborate with designers, backend engineers, and data scientists; troubleshoot customer issues; provide application support; and write unit tests and perform quality assurance testing in a hybrid environment.

Leads the design, development, and delivery of complex software systems. Drives architectural decisions and technical strategy, mentors engineers, conducts code reviews, partners with product stakeholders, and improves system performance, scalability, security, and compliance. Owns technical initiatives from design through delivery while maintaining high engineering standards.

Build and ship end-to-end product features across an author analytics dashboard, marketing site, free tools, billing, email, and AI-assisted functionality. Design data models and APIs, integrate third-party services, develop production LLM features, and maintain testing, monitoring, performance, and observability. The role includes code review, technical documentation, independent product decisions, and close collaboration with the founder in a remote-first environment.

Architect and re-engineer highly scalable, resilient backend data systems supporting patient services. Lead distributed systems strategy, make architectural decisions, improve performance and reliability, mentor engineers, establish operational practices, and collaborate with product managers and cross-functional stakeholders to shape engineering and product direction.

Own end-to-end frontend development for core crypto payment flows across web and mobile. Improve latency, availability, and SLOs; build user-facing features (contacts, real-time transaction status); identify and fix performance bottlenecks; partner with product/design/backend; mentor junior engineers to reduce customer friction at scale.

Design, build, and maintain AI-powered B2B SaaS products across frontend, backend, and AI. Own projects end-to-end, collaborate with product and design, ensure maintainability, mentor teammates, and inform roadmap and implementation decisions.

The Senior Fullstack Software Engineer will design, implement, and maintain features for Conveyor's SaaS platform, involving both backend and frontend work, while collaborating closely with team members and mentoring juniors.

Own and lead Coinbase’s developer infrastructure platforms, including CI, build systems, and deployment orchestration. Set technical direction for complex cross-team initiatives, improve build and deployment performance, manage reliability and observability, and drive platform migrations and adoption. Partner with engineering leaders, operate production systems, mentor engineers, and deliver scalable tools used across the organization.

Owns delivery of backend money movement and card ledger systems, leading engineers through complex problems and ambiguity. Collaborates with product, design, analytics, and engineering stakeholders; defines scalable technical solutions; supports system availability, monitoring, on-call operations, code quality, and engineering standards. The role also includes mentoring and developing team talent while building highly available distributed systems for Affirm’s financial products.

Design, build, and own backend services, APIs, and integrations supporting customer care workflows. The role connects Salesforce, billing, identity verification, document management, and iPaaS platforms; requires automated testing, code reviews, incident response, performance monitoring, and cross-functional collaboration. The engineer will also apply AI tools and may build production LLM solutions.

Performs functional, regression, UI, accessibility, cross-browser, manual, automation, and API testing for modernized government web applications. Validates cybersecurity controls, data protection, Section 508/WCAG compliance, and enterprise applications in cloud and Windows Server environments. Integrates automated tests with GitLab CI/CD, manages defects, documents quality metrics, and collaborates with development and security teams in an Agile, regulated environment.

Define the technical vision and multi-quarter strategy for Coinbase’s FinHub financial infrastructure. Architect scalable ledger and money-movement primitives across fiat and crypto, ensuring double-entry accounting, idempotency, reconciliation, auditability, reliability, and safe failure recovery. Lead complex cross-team architectural initiatives, collaborate with finance, risk, compliance, and operations stakeholders, and mentor senior engineers while improving system design and operational excellence.

Design, build, deploy, and maintain resilient, scalable software for Toast Delivery Services. Develop real-time delivery tracking, driver matching, pricing, refunds, and payment-related systems. Solve distributed-systems and scaling challenges, integrate with partner APIs, uphold production reliability, promote strong engineering practices, and mentor teammates.

Build and optimize MongoDB’s SQL interface, including query engines, SQL-to-MQL translation, database connectors, and BI integrations. Develop backend systems that improve performance, scalability, reliability, and usability for large datasets and complex queries. Collaborate with product managers and customer experience teams, contribute to roadmap initiatives, resolve bugs, and lead major technical projects.