Top Senior Software Engineer Jobs in Huntsville, AL

Develop APIs and GUIs to support modeling & simulation (wargame) scenarios. Define requirements, design solutions, implement software and automated tests in C/C++ and Python on Windows/Linux, lead technical tasks, and mentor junior developers.

Develop desktop and browser-based data analysis tools using Electron/React/TypeScript with a C++ backend and Python (Django) server. Implement provided GUI designs, maintain separation of concerns, write testable code and unit/integration tests for CI, ensure RMF compliance, and support the customer on-site at Redstone Arsenal as needed.

Develop, debug, and maintain Java/J2EE software for the C2BMC Systems Architecture. Design, code, test, integrate, and support enterprise applications; work with configuration management, automated builds/tests, and produce system engineering artifacts such as Use Cases and SysML diagrams. Collaborate across teams to resolve complex problems and support operational integration.

Design, implement, and test Java-based mathematical algorithms for missile defense systems. Produce software design artifacts, participate in Agile development, support integration, code reviews, DevSecOps pipelines, and present designs and test results. Collaborate with cross-disciplinary teams and resolve software issues.

Lead design and development of Java-based tracking and discrimination algorithms for missile defense. Implement MATLAB/Python prototypes, transition to real-time Java, perform testing and verification across lab and flight tests, present results to stakeholders, mentor junior engineers, and collaborate with systems engineering and integration teams within an agile DevSecOps environment. Requires active DoD Secret clearance and on-site work in Huntsville, AL.

Lead design and delivery of backend-focused full-stack features for the Business Platform. Build APIs, data models, and reliable parsers, ensure secure resilient systems, mentor engineers, drive estimates and quality, collaborate with Growth on data-driven features, and integrate AI tooling into development workflows.

Senior full-stack engineer responsible for designing, building, and shipping customer-impacting features across a Node/TypeScript/React codebase. Use AI tools in development, own production services (deployments, monitoring, on-call), debug distributed systems, improve engineering practices, mentor teammates, and influence technical direction within a product pod.

Join a small AI-native engineering team building and operating Affirm's bank systems. Own end-to-end bank infrastructure, durable workflows, vendor integrations, data platform, CI/CD, monitoring, and examiner-ready documentation. Use AI-assisted tooling to accelerate development, collaborate with Compliance/Risk/Finance, and mentor growing engineering talent.

Lead design, development, and implementation of advanced software solutions. Write clean, maintainable code in Java, C++, and Python. Implement DevSecOps practices, conduct code reviews, mentor junior engineers, troubleshoot and optimize application performance, and collaborate with cross-functional teams.

Build and maintain end-to-end web applications powering sales and operations. Design tools for quoting, scheduling, and fulfillment, integrate AI into products, collaborate on UX, ship high-impact features, and contribute to architecture, deployment, and engineering culture.

Lead product and technical discovery for a new initiative, build prototypes and end-to-end MVPs, define metrics and decision processes, rightsize architecture for iteration and integrations, and engage customers for feedback while coordinating external PM/design/business stakeholders.

Design, build, and maintain data platform tools, ensuring data quality and integrity. Collaborate with data science teams and enforce best software practices.

The Senior iOS Engineer will drive key engineering decisions, enhance the iOS app, and engage in product strategy discussions. Responsibilities include shipping production code and maintaining app architecture.

The Software Engineer will build features across the stack, design AI/LLM-driven workflows, translate requirements, and collaborate closely with the founding team and customers.

The Senior Full-Stack Software Engineer will design, build, and scale backend services and APIs for financial transactions while collaborating with frontend engineers and contributing to technical design.

The Software Engineer will develop the Socket web application, design interfaces, write APIs, and contribute to team growth and culture. Responsibilities include building systems and collaborating with design and engineering teams to ensure a delightful user experience.

As a Senior Software Engineer on the Data Platform team, you'll enhance the data infrastructure, develop ETL pipelines, maintain data quality, collaborate across teams, and mentor junior engineers.

Design, develop, and deploy cloud-native, scalable applications and APIs (Python/TypeScript/React) on AWS. Lead full application lifecycle, implement IaC and CI/CD, mentor developers, optimize performance, and integrate microservices. Collaborate cross-functionally and drive code quality and testing best practices.

Design, develop, and field high-performance Ground Control Station and C2 software using C++/Qt/QML and QGroundControl. Lead architecture and technical direction, mentor engineers, define APIs/ICDs, debug integration/latency issues, support field tests, implement post-mission debrief tools, and ensure interoperability with C2 standards.

Lead systems engineering for Hivemind-based autonomy products: define and manage requirements, develop system architectures and trade studies, coordinate hardware/software interfaces, support integration/verification/validation and testing, and identify and mitigate technical risks across the system lifecycle.

Design and implement full‑stack, low‑latency web-based Ground Control Station and C2 systems (map-centric UIs, real-time telemetry, video streaming), lead architecture and APIs, mentor engineers, support field tests and mission deployments, and ensure interoperability with C2 standards.

Design, build, and maintain cloud infrastructure software (primarily in Go) to manage VMs across global data centers. Collaborate on product requirements, participate in code reviews, optimize performance and reliability, contribute to architecture decisions, and stay current with industry trends.

Senior fullstack engineer to build and scale Brigit's consumer finance platform. Own end-to-end features across frontend (React/React Native/TypeScript) and backend (Java/REST/SQL), optimize database and APIs for high scale, integrate 3rd-party services, implement risk and transaction algorithms, improve CI/CD, testing, monitoring, and internal tooling to support millions of users.

Lead architecture and hands-on implementation of an offline-first edge computing platform in Go. Design distributed messaging and cloud-to-edge synchronization, optimize services for resource-constrained in-store hardware, maintain Kubernetes/Helm deployments, mentor engineers, and collaborate with Product and DevOps for phased rollouts and migrations.

Design and build systems for managing bare-metal infrastructure, focusing on automation, hardware provisioning, and software integration with Linux systems.