Top Senior Software Engineer Jobs in Baltimore, MD

Develop analytics and deploy solutions supporting a government geolocation and data integration mission. Collaborate with customers to analyze artifacts, enrich data using corporate sources, summarize findings, and support downstream analytics and queries. The role involves leveraging disparate data to identify user activities, collection efforts, and technology information. Candidates need strong object-oriented programming skills, relevant experience, and an active TS/SCI clearance with polygraph.

Develop, test, maintain, and modernize Java and Angular applications, RESTful APIs, database integrations, microservices, and containerized deployments. Support Spring Boot migrations, Kubernetes environments, CI/CD pipelines, automated testing, architecture and code reviews, troubleshooting, documentation, and database administration across cloud and on-premises infrastructure. Collaborate on requirements analysis, software design, DevSecOps practices, and continuous improvement while supporting federal government customers.

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.

Build and own production software systems spanning embedded systems, real-time control, cloud services, and data pipelines. Responsibilities include architecture, coding, testing, reliability engineering, observability, incident response, technical design reviews, cross-functional hardware collaboration, hiring, and mentoring. The role requires strong systems fundamentals, distributed systems experience, debugging ability, and proficiency in at least one major programming language.

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.

Build and expand fintech and payment systems using Go, microservices, databases, and cloud technologies. Design production APIs and tooling, diagnose customer issues, manage full release lifecycles, document systems, and mentor engineers. Collaborate with product and business teams while guiding AI agents to produce maintainable, observable, testable code that meets engineering standards. Work independently in a high-availability environment and contribute to next-generation financial products.

Provides architectural and technical leadership for institutional exchange systems, including matching engines, order management, market data, risk, and unified trading platforms. Leads ultra-low-latency distributed-system design, cross-team technical alignment, reliability standards, incident response, and multi-quarter initiatives. Maintains hands-on engineering contributions while mentoring senior engineers and developing technical leadership across teams.

Lead technical direction and multi-quarter delivery for a platform modernization effort. Architect TypeScript, Java, PHP, and cloud systems; guide monolith decomposition, distributed services, databases, observability, security, and operational excellence. Mentor engineers, coordinate stakeholders, establish engineering standards, and lead responsible adoption of AI-assisted development across the organization.

Staff Software Engineer leading hands-on full-stack development across C#/.NET services, Angular interfaces, databases, and AWS-hosted applications. Builds healthcare data integrations using HL7, FHIR, and X12 EDI; modernizes legacy systems; improves performance; applies secure coding and HIPAA practices; supports production incidents; reviews code; mentors engineers; and collaborates with product and QA teams.

Lead architecture and roadmap for a company-wide data lakehouse platform. Build platform-as-product components (SDKs, CLIs, control planes), optimize distributed compute/storage, prototype performance R&D, ensure compliance-by-design (lineage, PII masking, access control), enable real-time AI data ingestion, drive engineering standards, and mentor cross-functional teams.

Design, build, and scale backend services, APIs, and workflow systems supporting healthcare claims identification and recovery. Integrate AI/ML models, legal datasets, and transactional data while developing fault-tolerant Temporal workflows. Maintain AWS infrastructure and secure deployment pipelines using Python, TypeScript, PostgreSQL, Redis, and related technologies. Collaborate with product, business, and data science teams to deliver reliable, secure, high-performance systems in a regulated startup environment.

Develop and maintain full-stack web applications, workflow automation, dataflows, and analytic tools supporting intelligence operations. Collaborate with analysts, operators, developers, and customers to identify inefficiencies, iteratively deliver solutions through CI/CD, gather feedback, and improve mission workflows. Work in Linux environments with relational databases and potentially JavaScript, Python, Svelte, observability tools, open-source platforms, and cryptography.

Develop and maintain web applications, workflow automation, and dataflow solutions supporting intelligence operations. Collaborate with analysts, operators, developers, and customers to identify inefficiencies, iteratively deliver solutions through CI/CD, and incorporate real-time feedback. The role requires full-stack web development, relational database experience, Linux development, cross-domain solutions, customer communication, and familiarity with Atlassian tools and AI-assisted development.

Own and evolve high-scale backend and data-layer services. Design, build, test, and operate distributed backend services and APIs, improve reliability/latency/scale, take end-to-end ownership from design through production support, participate in on-call and incident response, and mentor peers while partnering with Product and SRE teams.

Lead technical direction for Elastic’s core billing platform across cloud providers. Design and operate scalable billing systems, data pipelines, APIs, and PostgreSQL architecture. Improve reliability, observability, incident response, deployment, and CI/CD practices. Partner with SRE, Cloud Infrastructure, Product, Design, and Finance teams, guide architecture and roadmap decisions, review technical work, mentor engineers, and participate in on-call rotations.

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.

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 scalable systems, leads end-to-end technical execution, drives cross-team initiatives, and contributes hands-on production code. The role maintains engineering standards across architecture, testing, CI/CD, observability, and DevOps; leads incident response and root-cause analysis; mentors engineers; troubleshoots production issues; and aligns technical delivery with product priorities.

Provides integration, installation, configuration, compilation, troubleshooting, and sustainment support for heterogeneous HPC software, servers, clusters, operating systems, schedulers, and networks. Develops Linux shell scripts and Python software while supporting parallel processing, configuration management, and multi-vendor HPC technologies. Requires extensive experience, DoD IAT II certification, and an active TS/SCI clearance with polygraph.

Develop and optimize payment platforms for performance, reliability, security, fraud prevention, and seamless recurring transactions. Build payment APIs and gateway integrations, improve processing latency and throughput, monitor platform health, troubleshoot incidents, and ensure compliance with payment industry standards. Collaborate with security, payment providers, and cross-functional teams while maintaining high-quality documentation and resilient payment workflows.

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.

Design and implement high-performance, 3GPP-compliant 5G Core control- and user-plane functions on ARM-based embedded Linux. Develop in C/Go/Rust, use DPDK for packet processing, optimize latency/throughput, debug protocol and performance issues, and collaborate cross-functionally to integrate carrier-grade systems.

Build and modernize Carrum Health’s data platform by developing Python and SQL pipelines, AWS services, Terraform infrastructure, dbt transformations, observability, testing, and CI/CD. Automate carrier integrations, reduce operational toil, improve reliability, and support Databricks adoption. Extend AI-assisted ingestion and classification using Bedrock and collaborate across engineering, analytics, data science, and client-facing teams. The role includes production ownership, incident response, technical documentation, and healthcare data platform development.

Build reusable interactive front-end components for a browser-based product, focusing on graphics rendering, performance, and engaging user experiences. Own features from concept through release, collaborate with product, design, and content teams, and maintain clean code that supports both human developers and AI tools. The role requires solving demanding browser-rendering challenges and designing clear APIs for people and automated systems.

Staff-level platform engineer to improve and scale inherited Scala systems, redesign data layers for ML/AI, build a Rust service framework, enhance observability and resilience, shape developer tooling and standards, and work across JVM, Rust, Python, SQL, and Spark.