Top Senior Software Engineer Jobs in Baltimore, MD

Architect and deliver distributed backend systems and infrastructure supporting customer service and KYC compliance workflows. Set technical direction, define roadmaps, lead end-to-end project delivery, mentor engineers, and build reliable high-scale services using Go, gRPC, TypeScript, React, cloud infrastructure, and DevOps tooling. Partner across teams and time zones to improve platform capabilities, workflow efficiency, cost, quality, customer satisfaction, and compliance outcomes.

Build and maintain scalable backend applications, serverless functions, microservices, data workflows, ETL pipelines, and cloud-native architectures using Python and AWS. Manage databases, APIs, batch jobs, and real-time integrations while optimizing performance, scalability, security, compliance, and cost. Collaborate with product, engineering, analytics, and data teams; contribute to architecture, CI/CD, infrastructure automation, development standards, and technical mentorship. Healthcare claims data experience is required.

The Senior Software Engineer for the Treasury team will develop backend services for fund management, ensuring system reliability and leading projects in a fast-paced environment.

Leads complex software engineering efforts, developing and modifying applications, utility programs, databases, software, and firmware. Analyzes user needs, data, risks, and mission requirements; performs software validation, verification, testing, exploitation development, and anomaly resolution. Produces engineering documentation and evaluates software quality and cyber capabilities in accordance with DoD guidance. Requires technical leadership, troubleshooting, and collaboration with cyber-focused teams.

Develop and deploy end-to-end applications supporting intelligence mission workflows. Responsibilities include gathering requirements, building user-facing applications, developing RESTful APIs, integrating front-end and back-end services, creating data visualizations, working with cloud environments and data repositories, and establishing secure CI/CD pipelines. The role collaborates with mission stakeholders, data scientists, and analysts to deliver operational solutions.

Develops, enhances, integrates, tests, and debugs complex software systems and algorithms. Derives software requirements, designs system components, improves development processes, creates documentation, and supports software integration and testing. Leads development teams, performs quality control, and collaborates with systems and hardware engineers. Requires experience with user stories, acceptance criteria, configuration management, CI/CD tools, SQL, scripting, and software testing.

The Software Engineer develops and enhances software systems, manages CI/CD pipelines, and provides automation and scripting support. Responsibilities include analyzing requirements, debugging, testing, and collaborating within teams to deliver software solutions.

Design, develop, maintain, and test complex software systems and full-stack features. Provide full-stack support for the AUTUMNATTIC tool (Java/Angular/Elasticsearch), debug and resolve defects, perform code reviews, implement algorithms, integrate software, develop queries, and assist users and documentation.

Develop, maintain, and integrate full-stack applications for mission analytics visualization. Design and implement features, debug and fix defects, create database queries, support testing (unit/integration), lead small teams, and improve development processes and documentation.

Design, develop, and sustain scalable backend services and distributed data processing systems using Python, C++, or Java on Linux. Implement efficient algorithms, optimize performance, design databases, debug and refactor code, contribute to CI/CD and containerized deployments, conduct code reviews, mentor teammates, and make architectural decisions.

Develop, maintain, and enhance complex software systems (analytics, algorithms, large data sets, real-time systems). Write and test software components, resolve defects, contribute to system-level design and hardware/software trade-offs, favor reuse/COTS/GOTS, prototype solutions in AWS, implement MOAT in Java/Python, and build automated functional and system-level tests while collaborating with systems engineers in an agile process.

Build and maintain fundraising technology that supports donors, fundraisers, donation processing, and reporting. Responsibilities include website development, backend integrations, legacy-system maintenance, data processing, testing, launches, bug fixes, incident ownership, and on-call support during peak donation periods. The role requires autonomous work with Laravel, PHP, JavaScript, HTML, CSS, Salesforce, WordPress, SQL, and partner CSV files, along with close collaboration with non-engineering fundraising teams.

Designs, develops, tests, debugs, and maintains scalable React Native mobile applications for iOS and Android. Owns major mobile projects, defines architecture and APIs, manages backend and third-party integrations, improves performance and reliability, and supports modernization efforts. Collaborates across engineering, product, design, QA, security, and business teams while mentoring engineers and promoting Agile, CI/CD, testing, documentation, and mobile development best practices.

Design and lead the technical strategy for search across Vannevar’s products. Build and improve full-text, vector, and LLM-powered retrieval systems, optimizing latency, relevance, index quality, freshness, and performance. Collaborate with ML, product, design, and mission strategy teams to translate user needs into search innovations. Apply expertise in information retrieval, NLP, machine learning, indexing, ranking, query parsing, tokenization, vector search, and evaluation frameworks.

Lead frontend development for Coinbase identity experiences including login, signup, OAuth, account security, and multi-factor authentication. Own projects from design through deployment and monitoring, guide Native versus Webview architecture, author technical designs, resolve systemic technical debt, lead on-call and incident response, and mentor engineers.

Develops, maintains, tests, and enhances enterprise infrastructure software. Designs and manages cloud infrastructure using OpenStack and comparable platforms, analyzes system performance, supports software and system engineering, automates networks, and addresses cloud security and operations needs. The role requires strong Linux and Python skills, software development experience, technical documentation, requirements analysis, and a TS/SCI clearance with polygraph.

Build and improve scalable, accessible iOS experiences for Wikipedia. Lead technical discovery, system design, implementation, testing, observability, prioritization, and delivery of medium-complexity initiatives. Collaborate with product managers, designers, analysts, and engineers while managing scope, risks, tradeoffs, and documentation. The role requires strong Swift, SwiftUI, UIKit, iOS architecture, and performance optimization experience in an autonomous, remote, cross-functional environment.

Designs, develops, tests, and maintains robotics middleware and application frameworks in modern C++ on embedded Linux. Owns platform components through deployment and fleet operation, improves reliability and performance, diagnoses complex concurrency and systems issues, and translates safety requirements into software behavior and verification. Collaborates across autonomy, systems, hardware, and software teams while leading technical reviews and mentoring engineers.

Build and operate full-stack trader-facing and internal applications using TypeScript, Node.js, React, Next.js, and AWS. Own features from technical design through production, focusing on reliability, scalability, security, observability, testing, and safe deployment. Collaborate with Product and Design, guide architecture, mentor engineers, participate in on-call support, and resolve production issues. Work with distributed systems, event-driven architectures, databases, payments, and identity services.

Develop and maintain enterprise-grade Java applications (backend or full-stack), debug performance issues, build RESTful services, apply Spring/DI, follow accessibility/Section 508, use Git/Maven/Gradle, and communicate status to peers and management.

Drive automation and modernization in software engineering to enhance mission success by developing secure access solutions and managing PKI architectures.

Lead architecture and delivery of complex web and mobile product initiatives. Build React and React Native applications, scalable components, APIs, data models, and shared libraries. Establish engineering standards, improve testing, performance, security, and reliability, and optimize database queries. Mentor engineers, guide technical decisions, and partner with leadership and stakeholders to shape the product roadmap. This is a fully remote role supporting veterinary clinic operations and supply-chain workflows.

Build and maintain features across Vetcove’s web, backend, and mobile platforms. Responsibilities include developing React and React Native applications, creating reusable components, improving test coverage, designing performant and secure data models, optimizing database queries, writing API endpoints, and collaborating with engineering, product, and company leadership in a fully remote environment.

The Software Engineer develops and enhances software systems, conducts testing, resolves problems, and analyzes requirements while ensuring adherence to design documentation.

The Software Engineer develops, tests, and enhances software systems, resolving issues while working individually or in teams.