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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Full-Stack Developer - **Company:** ApTask - **Location:** Fairfax, VA, United States - **Experience:** Expert - **Salary:** $145,600.0 - $156,000.0 - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), Agile Methodology, Amazon Web Services, Applications Architecture, Cloud Computing, Cloud Engineering, Continuous Integration, Software Design Patterns, Distributed Systems, Django Web Framework, Elasticsearch, Python (Programming Language), PostgreSQL, Memcached, MongoDB, Model View Controller (MVC), Open Source Technology, Performance Tuning, Redis, Svelte, Software Tools, Cloud Services, CrowdStrike Falcon Management, Software Engineering, SQLAlchemy, ReactJS, Flask (Web Framework), Grafana, Caching, AWS Lambda, Backend, Fastapi, Vue.js, Build Management, Amazon Relational Database Service, Containerization, AngularJS, Kubernetes, Front End Software Development, Api Design, Api Gateway, Serverless Computing, Docker, Microservices - **Published:** September 20, 2026 - **Apply:** https://www2.jobdiva.com/portal/?a=4ujdnwqsdebu7m13em5f0pt5dw80o500d7dv9cbq5ebzngb7yk0n43mjtefnbx0d&compid=0/jobs/29321626#/jobs/29321626 ## About the Role * U.S. citizenship or Green Card status is required, along with the ability to obtain a public trust clearance. * Minimum of eight (8) years of relevant full-stack application development experience, including at least four (4) years in leadership or architecture roles. * A bachelor's degree is required; alternatively, candidates must have a minimum of 12 years of relevant experience. * Experience leading teams and implementing frontend and backend services for cloud-native software products and solutions using technologies such as Python, JavaScript, Django, and Vue.js. * Expert proficiency in Python and JavaScript, with proven experience leading teams of five or more developers. * Django experience is preferred; experience with Flask, FastAPI, Falcon, or SQLAlchemy may be considered as an alternative. Vue.js experience is preferred; experience with React, Svelte, or Angular version 1.6 or higher may be considered as an alternative. * Proven ability to work independently while leading, mentoring, collaborating with, and supporting team members to solve complex technical problems across multiple concurrent projects. * Proven ability to architect software products and solution prototypes, establish technical standards, validate solution strategies, and explain the tradeoffs of complex design alternatives to technical and non-technical stakeholders. * Experience with microservices architecture, API design patterns, containerization using Docker or Kubernetes, serverless computing, and modern CI/CD practices for enterprise-scale applications. * Familiarity with the AWS Serverless Application Model (SAM) and proven design patterns, such as Model-View-Controller, Circuit Breaker, and Event-Driven patterns, is required. Candidates must also be able to design and build cloud-based software products that align with AWS Well-Architected Framework principles. * This hands-on cloud software architecture and engineering leadership role requires the ability to design, build, deploy, and architect custom AWS cloud applications while leading technical teams. * Proven ability to design, build, test, and deploy software products and solutions on AWS, with demonstrated success in client-facing roles and stakeholder management. * In-depth understanding of Agile and Scaled Agile practices, with extensive experience planning and implementing software products in agile environments while leading development teams. * Excellent written and verbal communication skills, with the ability to understand customer requirements, engineer solutions, and present complex technical concepts to executive stakeholders. Nice to Have: * AWS Certified Solutions Architect - Professional certification. * AWS Certified Developer - Associate certification. * Experience with Flask, Docker, Amazon EKS/Kubernetes, AWS Step Functions, Amazon EventBridge, AWS Lambda, Amazon API Gateway, Elasticsearch, caching frameworks, Redis, Memcached, Amazon RDS for PostgreSQL, and/or MongoDB. * Experience supporting solution architecture for technical proposal volumes, white papers, RFPs/RFIs, and thought leadership initiatives, with a proven track record in client services or consulting. * Experience with advanced monitoring and observability tools, performance tuning, and capacity planning for large-scale distributed systems. * Proficiency delivering cloud-based software products using modern CI/CD pipeline tools and collaborating with development, operations, and security teams to deliver secure, operationally resilient solutions. * Contributions to open-source projects, technical publications, or thought leadership in application architecture and cloud-native development. ## Description * At Guidehouse Digital Solutions, our solution architects and engineers help clients outwit complexity by delivering mission-focused, secure, interoperable, and scalable technology modernization and cloud solutions. * We develop turnkey, innovative solutions that rapidly build world-class distributed systems and analytics using cloud, automation, open-source technologies, modern software tools, and artificial intelligence. Responsibilities: * Work closely with clients, leaders, solution architects, and technical and functional leads across Guidehouse teams and market segments to support client projects, growth initiatives, and capability development. * Serve as a key member of the modernization team, leading and mentoring full-stack development teams while providing technical guidance and architectural oversight for innovative solution prototypes using cloud architectures and modern software technologies. * Lead solution architecture and hands-on full-stack engineering for scalable, secure distributed systems using modern programming technologies, AWS-native services, microservices architecture, containerization, and API-first design patterns. * Collaborate with user experience designers, platform engineers, product owners, solution architects, business analysts, and full-stack development teams to design, build, test, and deploy high-value, operationally resilient software products on AWS that meet functional and non-functional requirements. * Define application architecture standards, design patterns, and development best practices across teams; establish architectural roadmaps for complex modernization projects; and ensure alignment with AWS Well-Architected Framework principles. * Lead technical decision-making, oversee implementation of complex distributed systems, and provide escalation support for challenging technical issues while managing timelines, resource allocation, and technical deliverables across multiple concurrent initiatives. * Guide proof-of-concept development and technical demonstrations to validate solution strategies, and lead solution architecture efforts for RFPs, technical proposals, and thought leadership initiatives. ## Related Videos - [30 powerful AWS hacks in just 30 minutes: Boost your developer productivity](https://www.wearedevelopers.com/videos/1624-30-powerful-aws-hacks-in-just-30-minutes-boost-your-developer-productivity) - [Reducing LLM Calls with Vector Search Patterns - Raphael De Lio (Redis)](https://www.wearedevelopers.com/videos/1714-reducing-llm-calls-with-vector-search-patterns-raphael-de-lio-redis) - [Lessons learned from building a thriving Vue.js SaaS application](https://www.wearedevelopers.com/videos/1666-lessons-learned-from-building-a-thriving-vue-js-saas-application) - [Docker Compose: Rediscovered](https://www.wearedevelopers.com/videos/1978-docker-compose-rediscovered) - [Navigating the Corporate Jungle: Life as a Developer in a large Company](https://www.wearedevelopers.com/videos/621-navigating-the-corporate-jungle-life-as-a-developer-in-a-large-company) - [Accelerating Authentication Architecture: Taking Passwordless to the Next Level](https://www.wearedevelopers.com/videos/733-accelerating-authentication-architecture-taking-passwordless-to-the-next-level) ## Related Articles - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers) - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer)