Top Senior Software Engineer Jobs in Huntsville, AL

Develop and deploy customer-focused web, mobile, and backend applications across the full software stack. Design major features, contribute to architecture decisions, conduct code reviews, and ensure secure, high-quality implementations. Collaborate with stakeholders and cross-functional teams using Agile and SDLC practices. Manage version control, CI/CD, environments, and releases; maintain automated test coverage and perform root-cause analysis. Build and optimize relational data solutions using SQL Server, including complex queries, stored procedures, and performance tuning.

Design, build, deploy, and support scalable Java microservices on AWS. Provide technical leadership, architectural direction, code reviews, troubleshooting, proof-of-concept development, and cross-functional collaboration. Work with high-throughput data, messaging systems, distributed architectures, observability, and AI-assisted development tools. Participate in on-call support, mentor engineers, lead architectural initiatives, and deliver reliable SaaS platform features.

Own the development and maintenance of large-scale React Native applications for iOS and Android. Lead architecture improvements, React Native upgrades, native module development, performance optimization, automated testing, CI/CD reliability, and production debugging. Collaborate with cross-functional product pods, contribute to technical discovery and architecture, mentor engineers, and raise engineering standards while delivering scalable, maintainable mobile experiences.

Design, build, and operate foundational developer infrastructure across CI, build systems, deployment orchestration, and test platforms. Improve build speed, deployment safety, and test reliability while owning services end to end, including SLOs, observability, and on-call responsibilities. Partner with engineering teams to address platform pain points and lead cross-cutting technical projects through production.

Leads development, integration, execution, debugging, and analysis of real-time Army Integrated Air and Missile Defense simulations. Designs simulation models in C++ and FORTRAN, develops analysis tools in Python and MATLAB, integrates fire control and missile software, supports lab and flight-test environments, resolves defects, manages team resources, and mentors engineers. The role requires expertise in modeling and simulation, real-time processing, AIAMD systems, test and evaluation, and software configuration management.

Lead technical direction for a central infrastructure team supporting all product engineering. Design and maintain AWS infrastructure, Terraform modules, CI/CD workflows, observability, security, networking, cost-visibility tooling, and operational platforms. Coordinate multiple initiatives, improve reliability and incident response, establish paved roads adopted by feature teams, guide infrastructure strategy, and coach engineers across the organization.

Automate tests for web-based and mobile applications and RESTful APIs supporting high-transaction, big-data SaaS products. Drive high-quality releases, apply quality standards, support SDLC processes, solve complex problems, and promote a customer-first quality culture across the organization.

Build and ship customer-facing products across backend services, APIs, data models, React web interfaces, and Android point-of-sale applications. Learn unfamiliar platforms quickly, collaborate with product and design, deliver resilient code, and own testing, instrumentation, on-call support, and cleanup. The role emphasizes 0-to-1 product development, customer-focused decision-making, rapid experimentation, and using AI tools to improve development velocity and quality.

Design, implement, and maintain scalable, secure, high-performance backend systems and public-facing APIs. Collaborate with Product and Data Science teams, lead initiatives improving efficiency and system performance, and support customer satisfaction. Work may involve distributed systems, pricing engines, identity management, authentication, authorization, API versioning, deprecation, and rate limiting.

Lead software engineering for the Patient Onboarding team, building and improving registration, insurance verification, and care-access workflows. Write full-stack production code, lead complex cross-team initiatives, shape technical direction, improve engineering foundations, and support modern AI-enabled development practices. Collaborate with Product, Design, Analytics, and Engineering to improve patient conversion and system reliability.

Develop embedded software for military systems across the full software lifecycle, including requirements analysis, design, coding, integration, testing, documentation, and support. Collaborate with cybersecurity, safety, operations, and test teams, participate in design reviews, and work directly with customers. Support both new and legacy systems using Agile Scrum, continuous integration, object-oriented programming, and automated unit testing.

Designs, builds, and scales backend services and integrations for payments, billing, identity, and partner connectivity. Sets technical vision and architecture for distributed systems, leads cross-team delivery, manages production rollouts, builds fault-tolerant services and data pipelines, and mentors engineers. The role partners with product, design, and engineering teams to deliver frequent, reliable improvements for Flex’s rent payment platform.

Design, build, and scale backend services and integrations for payment, billing, identity, and partner systems. Own API scoping, design, implementation, deployment, and production operations with minimal oversight. Build fault-tolerant systems, data pipelines, and scalable architectures while collaborating with product, design, engineering, and external partners. Contribute to reliability monitoring, observability, automation, technical standards, and mentoring in a distributed team.

Build and own full-stack MarTech services, scalable APIs, event-driven systems, data pipelines, and customer-facing web experiences. Integrate advertising, analytics, messaging, and marketing platforms while supporting attribution, identity resolution, experimentation, acquisition, and retention. Collaborate cross-functionally with marketing, product, data, design, and engineering teams to launch measurable growth initiatives. Mentor engineers and establish technical best practices across high-scale marketing infrastructure.

Maintain and sustain legacy enterprise applications: troubleshoot and fix bugs, enhance and upgrade systems, apply programming and scripting, ensure security compliance, and advise clients on modernization and improvements.

Design and build backend services and APIs for identity resolution and platform integrations. Optimize event-driven pipelines processing billions of signals, deploy cloud-native services on AWS EKS and Kubernetes, and ensure reliability, observability, and scalability. Collaborate with engineering, product, and data teams to deliver identity solutions while mentoring junior engineers. The role requires expertise in backend or data engineering, distributed systems, streaming technologies, cloud deployment, data modeling, and high-throughput databases.

Design, automate, and maintain Python-based data pipelines and GIS workflows for real-time satellite and geospatial data. Deploy and scale scientific code to AWS using IaC, containerization, and CI practices. Build web visualizations/portals, document systems (Jupyter), and collaborate with NASA scientists and operational partners for research-to-operations.

Develop and maintain full-stack enterprise data analysis applications, including frontend and backend services, REST API integrations, performance optimization, secure software, testing, CI/CD pipelines, code reviews, and deployments. Collaborate with cross-functional teams and customer personnel on mission-critical defense simulation technologies.

Supports Aircraft Survivability Equipment software programs as a systems-software subject matter expert. Responsibilities include reviewing requirements and vendor deliverables, supporting software architecture, development, testing, sustainment, interoperability verification, Agile planning, design reviews, system interface analysis, and software impact assessments. The role also supports FACE, MOSA, and MBSE growth efforts while providing technical briefings and overarching support to software and product teams.

Develop and maintain the frontend and backend of a web-based virtual development and simulation environment for DoD customers. Responsibilities include software design, full-stack development, automated unit and integration testing, configuration management, code maintenance, Agile collaboration, and potentially leading development activities. The role is performed on-site in Huntsville, Alabama and supports secure government environments.

Lead complex systems analysis, software design, development, testing, debugging, documentation, and application support. Coordinate technical project plans, evaluate vendor solutions, manage milestones, and collaborate with technology teams, business units, clients, and vendors. Mentor less experienced staff, monitor performance, recommend technology and process improvements, support budgets and risk controls, and contribute to strategic studies and due diligence.

Leads complex systems analysis, software design, development, testing, debugging, documentation, and application support. Coordinates technical project plans, milestones, vendors, business units, and development staff while mentoring less experienced employees. Recommends technology and process improvements, evaluates risks, supports budgets and audits, and ensures applications meet business and regulatory requirements.

Performs complex systems analysis, application design, development, testing, debugging, documentation, and application support. Coordinates development tasks, monitors less experienced staff, manages technical project plans, evaluates technology and vendor software, and recommends systems solutions. Collaborates with technology teams, business units, vendors, clients, and senior management while ensuring compliance with risk, regulatory, audit, and internal control standards.

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.

Develops, tests, documents, enhances, and maintains software solutions using Appian and related technologies. Designs integrations with external systems, resolves technical issues, remediates security vulnerabilities, improves performance, participates in requirements analysis and Agile development processes, and documents standards. The role also contributes to planning, mentors other engineers, collaborates with team members, and stays current with software development practices and technologies.