Top Senior Software Engineer Jobs in Huntsville, AL

Designs, develops, debugs, and integrates software for C-UAS systems. Maintains baselines, implements OS applications and automation tools, supports fielded products, and collaborates on architecture and deployment on-site in Huntsville.

The role involves building and managing scalable distributed systems for Twilio's email platform, mentoring junior members, and improving system performance and security.

The role involves designing, building, and optimizing a data platform, collaborating with cross-functional teams, and ensuring data quality and security.

Design and build platforms for new products, develop generative AI features, ensure system reliability, and foster a collaborative culture in a startup environment.

Design, build, test, and maintain React Native features for Hertz consumer mobile apps on iOS and Android. Collaborate with cross-functional teams, integrate APIs and third‑party services, optimize performance, resolve production issues, contribute to CI/CD and testing, and improve mobile UX and accessibility.

Develop and maintain spacecraft flight software across the full lifecycle: requirements, design, implementation, testing, integration with HIL and flight hardware. Build tools and simulations, perform subsystem and platform-level tests, support anomaly resolution, systems modeling, and proposal efforts while collaborating with manufacturing and customers.

Lead design, develop, integrate, test, and maintain high-throughput object-oriented and Python applications for C2/BM/SRM systems. Mentor engineers, perform root-cause analysis, create automation and testing tools, support DoD program integration, and present technical results to leadership and government stakeholders. On-site in Huntsville with occasional travel (~10%).

Design, build, and maintain scalable, secure backend services in Python. Implement SQL and NoSQL data models, CI/CD pipelines, and containerized deployments. Collaborate with product, front-end, and design teams, perform code reviews, optimize performance, troubleshoot production issues, mentor junior engineers, and improve development processes and infrastructure.

Build and enhance full‑stack cloud-native applications using Java/Spring and JavaScript/React. Own the full SDLC, apply TDD and CI/CD, troubleshoot production issues, mentor junior engineers, and drive technical direction as experience increases from contributor to Lead.

Develop, configure, integrate, and operationalize command-and-control (C2) and Common Operating Picture (COP) applications. Build workflow automation, event management, alerting, data fusion, dashboards, and operator-focused UX. Support testing, interoperability validation, demonstrations, and operational readiness while collaborating with systems engineering and stakeholders.

Join cross-functional XP teams to deploy and adapt the Imogen platform into client public cloud environments. Pair-program, collaborate with client infosec and infrastructure teams, lead technical discovery, apply XP practices (TDD, CI/CD, pair programming), onboard and mentor engineers, build deployment tooling, participate in on-call rotations, and travel periodically for client engagements.

Lead design and implementation of scalable backend services and member-facing APIs using Python/Django, PostgreSQL, BigQuery/dbt and GCP. Own infrastructure as code (Terraform), container orchestration (Docker, Kubernetes), async/event-driven systems, observability, and performance tuning. Mentor engineers, collaborate with Product and Data teams, and ensure secure, low-latency, AI-driven member experiences.

Lead development and maintenance of test plans, procedures, and automated scripts. Perform system, integration, and regression testing, analyze results, troubleshoot defects, support test environment setup, verify requirements traceability, document test evidence, and improve test processes and tools.

Design, build, and operate highly scalable cloud-native microservices and web applications. Own features from design through production, improve observability, CI/CD, and cloud infrastructure, mentor teammates, collaborate across teams, and leverage AI developer tools to automate and accelerate engineering workflows.

Define and own autonomy architecture for large-scale UAV swarms: design perception, planning, control, and inter-robot/C2 protocols; make system tradeoffs; mentor engineers; write production-quality code; support test events (up to 25% travel).

Design, build, scale, and operate a Kafka-compatible, object-storage-backed streaming platform. Own backend services, storage engine, multi-tenant control plane, transactions and multi-region features. Troubleshoot complex distributed systems, ensure operational readiness and SLAs, participate in on-call rotation, and contribute across the full stack including developer console UI.

Senior Principal Software Engineer responsible for designing, coding, testing, debugging, and maintaining systems software for C-UAS BONES. Duties include Java and C++ development, Linux/RHEL administration, OS-level tooling, integration, automation tooling, and user support. Requires troubleshooting, baseline maintenance, and collaboration with system teams to improve performance and deploy fielded products.

Provide technical oversight and evaluate software testing and verification for next-generation Army aviation platforms. Ensure contractor compliance with DO-178C/DO-254 across FQT, SIL, and flight tests, support airworthiness reviews and audits, manage software release transitions into flight test, identify integration risks, and brief senior leadership.

Design, maintain, and document sensor registration algorithms and software for multi-sensor, multi-platform tracking networks. Prototype registration approaches for new sensors, diagnose tracking and bias estimation anomalies, implement mitigations, and respond rapidly to urgent software issues. Work involves signal processing, Kalman filter/statistical methods, and radar tracking algorithm development.

Lead software and firmware safety analysis for mission- and safety-critical defense systems. Identify, assess, and document hazards and mitigations across lifecycle; develop safety artifacts; verify safety requirements; support audits, reviews, certification, and program teams; mentor junior engineers and advise leadership on safety and mission risk.

The Senior Software Engineer will design and optimize APIs and backend services for Speechify's audio information platform, collaborating closely with product teams.

Build and maintain the AI-powered learning platform across a TypeScript/React frontend and Python/FastAPI backend. Integrate LLMs for classification, extraction, personalization, and conversation practice. Design scalable APIs, develop real-time interactive features, apply AI-assisted development workflows, write well-tested code, and collaborate with product, design, and education teams to optimize learning experiences and A/B tests.

Responsible for implementing and managing infrastructure as code (Terracore/Terraform), automating CI/CD with Jenkins, managing AWS services and Amazon EKS/Kubernetes, scripting in Bash/Python, implementing monitoring and security best practices, supporting production via on-call rotations, and collaborating with development and QA teams.

Design, develop, and maintain cloud-native applications using Node.js and React. Implement infrastructure-as-code (Terraform/CDK), deploy CI/CD pipelines, troubleshoot Linux systems, ensure secure AWS deployments, and collaborate with cross-functional teams to operate cloud workloads.

Build and maintain scalable backend microservices and developer-facing APIs, lead projects end-to-end, collaborate with product and engineering teams, design secure/versioned APIs, and manage cloud infrastructure using IaC.