Top Senior Software Engineer Jobs in Baltimore, MD

Develops, maintains, and enhances scalable web applications, internal tools, libraries, and shared components for international enterprise clients. Collaborates with cross-functional teams, participates in code reviews, creates technical documentation, and shares knowledge. Requires strong software development principles, design patterns, cloud, database, CI/CD, messaging, testing, and mobile framework experience.

As a Full Stack Software Engineer, you will develop and maintain robust backend systems using Ruby on Rails, collaborating with cross-functional teams to enhance the real estate platform's performance and user experience.

Build and maintain Python-based automation, services, test infrastructure, and performance analysis tooling for a distributed database system. Collaborate with internal stakeholders, improve developer tooling and reproducible testing, analyze system performance, and create documentation and runbooks. The role requires strong software fundamentals, systems thinking, Linux and CI experience, and the ability to learn new languages and systems quickly.

Build and operate multi-cloud infrastructure for MariaDB Cloud, designing application layers, APIs, cloud-native services, automation, and database-adjacent features. Own production capabilities end to end across AWS, Azure, and GCP using Terraform, Kubernetes, Docker, CI/CD, Python, and backend languages. Develop AI-enabled workflows involving vector databases, semantic search, RAG, and LLM agents while ensuring security, observability, scalability, and reliable deployment.

Design and build JTX, a high-performance Solana trading application. Develop low-latency, reliable systems for order routing, execution, real-time market data, and position management. Own critical infrastructure, implement security across transaction signing and user data, make architectural decisions, and collaborate with product and infrastructure teams in a fast-moving 0-to-1 environment.

Staff Software Engineer responsible for architecting and developing scalable web applications and APIs using Elixir, React, and PostgreSQL. The role involves solving ambiguous technical and business problems, ensuring system reliability and performance, collaborating cross-functionally, presenting solutions to leadership, writing tested code, participating in code reviews, mentoring engineers, and removing technical roadblocks.

Build, enhance, modernize, test, deploy, and sustain enterprise Java and Spring Boot applications supporting DoD financial and program management. Responsibilities include full-lifecycle feature ownership, Oracle schema and SQL development, Angular contributions, CI/CD pipeline delivery, security scanning, defect investigation, architecture participation, code reviews, and secure cloud deployment. The role requires evaluating existing systems, applying sound technical judgment, and meeting federal security and compliance requirements.

Build and sustain enterprise Java applications for DoD financial and program management. Own capabilities across requirements, architecture, API development, database design, testing, CI/CD deployment, security, and production sustainment. Work across Spring Boot, Angular, Oracle, SQL, and cloud environments while investigating defects, reviewing code, using AI-assisted tools responsibly, and contributing to agile delivery. Seven or more years of software development experience, a technical bachelor’s degree or equivalent experience, Security+ certification, U.S. citizenship, and Secret clearance eligibility are required.

Build and own software for marina operators and boaters across reservations, payments, CRM, work orders, accounting integrations, and mobile applications. Responsibilities span scoping, design, implementation, deployment, maintenance, and improving a legacy system handling live payment traffic. The role requires full-stack development, AI-assisted engineering, product judgment, clear communication, and ownership of customer outcomes in a lean team.

Develops, integrates, tests, validates, sustains, and troubleshoots cloud software applications. Performs requirements analysis and object-oriented system design, develops RESTful services, and works with distributed big-data technologies including Hadoop, HDFS, NoSQL platforms, and MapReduce. Requires substantial Java, C, or C++ programming experience, Windows or Linux development experience, a relevant degree or equivalent experience, Hadoop/cloud certification, and TS/SCI clearance with polygraph.

Build and maintain scalable full-stack healthcare software in collaboration with clinicians, operators, and product managers. Own solutions from understanding business problems through delivery and measurement, make independent technical and product decisions, incorporate AI agents, and improve development practices through testing and documentation. The role involves developing and refactoring complex distributed systems while connecting engineering work to user and business outcomes.

Develops and maintains software systems, graphical user interfaces, dashboards, AWS applications, automated workflows, and AI/ML integrations. Responsibilities include coding, testing, debugging, database querying, systems integration, documentation, performance optimization, and requirements analysis. The role collaborates with cross-functional teams and contributes to software design, Agile development, DevOps, and cloud infrastructure management.

Design, develop, debug, test, integrate, and maintain complex software systems. Analyze requirements, develop algorithms and database interfaces, resolve software issues, improve development standards, and coordinate installations. Collaborate with systems and hardware engineers on requirements, interfaces, performance, and design trade-offs. Lead or oversee software development teams while ensuring compliance with project processes and quality standards.

Develop and maintain Python and Jupyter Notebook applications supporting data analysis, mission automation, and analyst workflows. Partner with mission analysts to gather requirements, prototype solutions, build APIs and reusable components, automate data processing, and transition successful prototypes into operational capabilities. Evaluate emerging technologies such as Generative AI and RAG, while integrating software with existing mission systems in an agile environment.

Develop and deploy Java-based analytic software for federal mission and target-discovery applications. Collaborate with analysts and stakeholders to translate mission needs into automated workflows, rapidly prototype and evaluate analytics, integrate complementary techniques into cloud environments, and support capabilities through operational deployment and sustainment. Responsibilities include software design, testing, debugging, documentation, code configuration, performance evaluation, and peer reviews.

Develop, integrate, test, deploy, and maintain scalable end-to-end analytics applications for federal government customers. Collaborate with data scientists and mission analysts to build front-end and back-end tools, operationalize data science, and support analyst workflows. Work with customer architectures, data repositories, big data, machine learning, and application development processes, including requirements analysis, design, implementation, testing, integration, deployment, and maintenance.

Develop end-to-end applications supporting federal analyst workflows. Responsibilities include gathering requirements from mission stakeholders, designing user-facing applications, developing RESTful APIs, integrating data repositories and visualizations, and establishing secure CI/CD pipelines in cloud environments. The role collaborates with data scientists and analysts to deliver operational solutions and requires proficiency in multiple programming languages, customer-specific tools, and data platforms.

Lead the architecture and technical direction of Alpaca’s margin and risk systems across equities, options, crypto, and future asset classes. Design low-latency, high-throughput services for margin calculation, real-time risk enforcement, exposure limits, margin calls, and operational workflows. Drive reliability, correctness, transactional integrity, observability, incident prevention, technical reviews, mentorship, and cross-functional integration with product, brokerage operations, compliance, and engineering teams.

Design, build, and operate backend Go services and smart contracts that mint, burn, bridge, and reconcile wrapped assets across multiple chains. Own end-to-end delivery from smart contract deployment through API design, SLOs, and production rollout. Drive asset migration pipeline improvements, run on-call operations, build observability and runbooks, and mentor junior engineers.

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.

Lead a developer productivity engineering team responsible for CI/CD, build systems, internal tooling, and AI-augmented development workflows. Improve developer experience, engineering velocity, and software quality through scalable infrastructure, productivity metrics, AI tool adoption, coaching, and governance. Partner cross-functionally, mentor engineers, evaluate AI technologies and costs, and establish standards for security, correctness, licensing, and data handling.

Own the enterprise test automation strategy, scale a Playwright and JavaScript framework, expand coverage across Salesforce, MuleSoft, D365, and reporting systems, and build scalable execution and reporting infrastructure. Design QA standards, metrics, and review processes while developing AI-powered agents with Cursor for performance testing, regression analysis, and defect triage. Partner with engineering, product, business, and AI platform teams to deliver governed, reusable quality tooling.

Design, develop, integrate, test, deploy, and sustain secure cloud-native applications and services for DoD/IC missions. Lead requirements analysis, architecture, troubleshooting, and system validation. Provide technical leadership and mentorship, participate in Agile ceremonies, and support CI/CD, DevSecOps, and infrastructure-as-code to ensure scalable, resilient, and secure cloud solutions.

Design, develop, test, and maintain secure, scalable software for DoD/IC systems. Implement secure coding practices, perform code reviews and security testing, debug and enhance applications, build RESTful APIs and enterprise services, work across architectural layers, participate in Agile/DevSecOps processes, and support deployment, integration, and sustainment activities.

Design, develop, deploy, and maintain cloud-native applications and scalable data pipelines using Java (Spring Boot) and/or Python on AWS. Build and operate containerized microservices with Kubernetes, implement IaC (Terraform/CloudFormation), create CI/CD pipelines, and use monitoring/observability tools. Collaborate in Agile teams, participate in design and code reviews, and support secure, high-availability mission systems for DoD/IC programs.