> Markdown version of [/jobs/ext/3313366-full-stack-developer-project-software-engineer-iii-ts-s](https://www.wearedevelopers.com/jobs/ext/3313366-full-stack-developer-project-software-engineer-iii-ts-s). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Full Stack Developer - PROJECT - Software Engineer III - TS/S... - **Company:** Deloitte T.T.L. - **Location:** Arlington, VA, United States - **Experience:** Experienced - **Salary:** $113,000.0 - $188,400.0 - **Contract:** Permanent contract - **Skills:** Application Programming Interfaces (APIs), Code Review, Python (Programming Language), PostgreSQL, Software Engineering, ReactJS, Backend, AWS ECS, Fastapi, Amazon Relational Database Service, AngularJS, Kubernetes, Front End Software Development, Software Coding, Docker - **Published:** September 30, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9204544/full-stack-developer-project-software-engineer-iii-tss ## About the Role * Ability to work independently and collaborate as part of a team * Effective written and verbal communication skills * Meticulous attention to detail and quality of work product * Ability to build and sustain professional relationships * Ability to lead projects or workstreams * Ability to manage and prioritize multiple tasks in a fast-paced and dynamic environment * Strong interpersonal skills and professional demeanor * Ability to meet deadlines * Ability to provide clear guidance to others, Required: * Bachelor's degree * Active Top Secret/SCI clearance * 3+ years of experience as a full-stack developer using front-end frameworks such as React, SvelteKit, or Angular * 3+ years of experience building REST application programming interfaces using FastAPI * 3+ years of experience with Python and PostgreSQL, plus experience using Docker for containerization * Ability to travel 10-15%, on average, based on the work you do and the clients and industries/sectors you serve * Must be legally authorized to work in the United States without the need for employer sponsorship, now or at any time in the future Preferred: * Experience with Kubernetes, including Amazon Elastic Kubernetes Service (EKS) * Experience with Amazon Relational Database Service (RDS) * Experience with OpenAI application programming interface-compatible application programming interface design * Experience with large language model-assisted development The wage range for this role takes into account the wide range of factors that are considered in making compensation decisions including but not limited to skill sets; experience and training; licensure and certifications; and other business and organizational needs. The disclosed range estimate has not been adjusted for the applicable geographic differential associated with the location at which the position may be filled. At Deloitte, it is not typical for an individual to be hired at or near the top of the range for their role and compensation decisions are dependent on the facts and circumstances of each case. A reasonable estimate of the current range is $113,000 to $188,400. You may also be eligible to participate in a discretionary annual incentive program, subject to the rules governing the program, whereby an award, if any, depends on various factors, including, without limitation, individual and organizational performance. ## Description As a Software Engineer III on the Engineering as a Service team, you will be responsible for: * Contribute to technical development activities that support the product vision and enable enterprise capabilities for the client and its mission analysts * Develop code across backend and frontend components as part of a product team of 12-15 professionals, under the guidance of senior developers and technical leadership * Participate in code development, code reviews, feature implementation, and technical solution delivery with the broader team * Support the maintenance and advancement of the technical platform while continuing to build skills in enterprise software development * Participate in team demos and presentations that showcase platform capabilities to stakeholders and potential new tenants