Senior Full Stack Developer
Confirmed on the employer's own hiring board on Oct 5, 2026. First seen by Alion on Sep 28, 2026. Cook Systems – Innovative IT Labor Solutions scores B on the Alion truth index.
About Cook Systems
For over 30 years, Cook Systems has partnered with organizations across the country to solve technology challenges and build strong technology teams. As a veteran-owned IT consulting company, we combine decades of industry experience with a continued focus on how technology, AI, and the way people work are evolving.
Our work spans technology consulting, talent development, and AI-enabled solutions. We value people who take ownership, adapt quickly, communicate well, and care about the quality of their work. Whether you’re early in your career or bringing years of experience, you’ll have the opportunity to keep building your skills, contribute to meaningful client work, and grow with a company that continues to evolve with the industry.
Summary:
We are seeking a Senior Full Stack Developer to play a key role in defining and delivering enterprise application solutions within a hybrid cloud environment. In this role, you will collaborate with enterprise and cross-functional teams to define architecture, technical requirements, interfaces, and implementation approaches for business-critical applications. You'll influence architecture and design decisions, help resolve technical challenges, and contribute to the technology roadmap for enterprise solutions.
Responsibilities:
- Drive the design and delivery of full-stack enterprise solutions spanning front-end experiences, back-end services, APIs, integrations, and data-driven workflows.
- Develop hybrid solutions connecting on-premises enterprise platforms with cloud-native services to deliver secure, scalable, and reliable application capabilities.
- Build and enhance cloud-native application patterns using modern engineering practices, including API-first design, event-driven architecture, automation, and CI/CD.
- Engineer enterprise-grade messaging and integration solutions capable of processing large-scale message volumes across multiple business-critical applications.
- Partner with application teams to modernize integration approaches, improve system interoperability, and deliver reusable capabilities that reduce duplicated effort.
- Translate business and technical requirements into robust application designs supporting enterprise reliability, performance, maintainability, and long-term scalability.
- Create well-documented services, integration patterns, and technical guidance that application teams can confidently consume and extend.
- Evaluate emerging cloud, integration, and development technologies to strengthen enterprise application delivery and support future modernization initiatives.
Required Skills:
- Bachelor's degree in Computer Science, another analytical discipline, or equivalent professional experience.
- 5+ years of software engineering experience.
- 5+ years of experience designing, developing, and supporting enterprise-level applications.
- 4+ years of experience with .NET and C# development.
- 3+ years of experience with .NET Core, Web API, and microservices.
- 2+ years of front-end development experience using frameworks such as React.js or Angular.js.
- 2+ years of experience with TFS/Git code management, DevOps integration, DevOps pipelines, or other CI/CD tools.
- 2+ years of experience with Azure services such as Azure Function Apps, Azure App Services, or Azure Static Web Apps.
- Experience building and deploying containerized applications.
Preferred Qualifications:
- 7+ years of software engineering experience.
- Demonstrated ability and willingness to learn and adopt new technologies.
- Experience planning and coordinating solution delivery activities in large-scale, distributed enterprise environments.
- Strong understanding of secure coding practices and software development best practices.
- Strong technical knowledge of the .NET Framework or Java.
- Strong technical knowledge of Windows PowerShell and practical scripting experience.
- Strong technical knowledge of IIS, Java application server platforms, and related middleware components.
- Experience using network troubleshooting tools such as Wireshark, Netmon, or Fiddler.
- Experience with MongoDB, Redis, and Kafka.
- Experience developing with JavaScript and Python.
Benefits at Cook Systems
We want our employees to have benefits that support their health, financial well-being, and life outside of work. Eligible Cook Systems employees have access to a comprehensive benefits package beginning the first of the month following their hire date, including:
- Medical coverage through Blue Cross Blue Shield, with two plan options
- Dental and vision coverage
- Life, critical illness, and accident insurance through Unum
- Flexible Spending Account and Dependent Care FSA options through Navia
- Health Gap Insurance through Sun Life
- 401(k) retirement plan through The Standard, with eligibility after six months
Beyond benefits, Cook Systems is a place where we expect people to take ownership of their work, communicate openly, continue learning, and contribute to the teams and clients they support.
We have been building technology careers and client partnerships for more than three decades, and we continue to evolve with the industry. If you’re looking for an opportunity to do meaningful work, develop your capabilities, and be part of what comes next in technology, we’d like to hear from you.