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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Specialist, Full Stack Software Engineer in Hyattsville - **Company:** Energy Jobline - **Location:** Hyattsville, MD, United States - **Experience:** Expert - **Salary:** $111,500.0 - $207,500.0 - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), .NET Framework, Microsoft Windows, Application Programming Interfaces (APIs), Agile Methodology, Apple Mac Systems, Bioinformatics, C Sharp (Programming Language), C++ (Programming Language), Mobile Application Development, Code Review, System Configuration, Continuous Integration, Data Migration, Relational Databases, Software Design Patterns, Linux, DevOps, Distributed Systems, Design of User Interfaces, Inter-Process Communication, Python (Programming Language), PostgreSQL, Object-Oriented Software Development, Scrum Methodology, Query Optimization, RabbitMQ, Secure Coding, SignalR, Transmission Control Protocol (TCP), Toolchain, TypeScript, Transport Layer Security, Software Troubleshooting, Backend, Containerization, AngularJS, Integration Tests, Kubernetes, Api Design, Grpc, Multiplatform, Software Version Control, Docker - **Published:** August 5, 2026 - **Apply:** https://www.energyjobline.com/job/senior-specialist-full-stack-software-engineer-hyattsville-31332764 ## About the Role We are seeking a highly motivated and experienced Full-Stack Software Engineer with deep expertise across a range of technologies. This role requires a unique blend of technical acumen, leadership abilities, and the discipline to deliver high-quality software under tight deadlines., * Bachelor's Degree and minimum 6 years of prior relevant experience. Graduate Degree and a minimum of 4 years of prior related experience. In lieu of a degree, minimum of 10 years of prior related experience. \n, * Background or strong understanding in UI/UX design and principles. \n * Exposure to or hands-on experience with DevOps practices and toolchains. \n * Familiarity with cybersecurity principles and secure coding best practices. \n * Experience with event-driven frameworks (e.g., gRPC, SignalR) and containerization (Docker, Kubernetes). \n * Knowledge of mobile application development for Android/iOS. \n * Ability to read, interoperate, and understand lower-level code in C or C++. \n * Experience working in distributed, secure, or high-availability system environments. \n * Proven experience as a Full-Stack Software Engineer with a comprehensive project portfolio. \n * Strong grasp of object-oriented programming principles, design patterns, and large distributed system architecture. \n * Proficient in C#/.NET (5+), cross-platform development (Linux/Windows/MacOS), and relational databases (PostgreSQL). \n * Hands-on experience with unit/integration testing, comprehensive documentation, API design and development. \n * Familiarity with Python; TypeScript/JavaScript (especially Angular or similar frameworks); and performance/memory analysis tools. \n * Comfortable with Source Control and CI/CD systems. \n * Experience working in Agile environments (Scrum/Kanban) and with inter-process communication (e.g., TCP, SSL, RabbitMQ). \n ## Description The Senior Full Stack Engineer's role is to engineer, design, execute, assess, and troubleshoot software programs and applications. This includes configuring, coding, developing, and documenting software specifications throughout the project life cycle. The individual will be responsible for designing, implementing, and deploying distributed server-side solutions and user interfaces., * Design, develop, and maintain secure, scalable, and maintainable codebases using C# .NET, Python, and Angular. \n * Architect, build, and optimize backend services, APIs, and robust interfaces for API interactions, SDKs, and client-facing features. \n * Develop and maintain web user interfaces using Angular, focusing on usability, performance, and security. \n * Administer and optimize PostgreSQL databases, including schema design, query optimization, and data migration. \n * Engage in self-directed research to innovate and implement new product features aligned with industry standards. \n * Participate in technical design discussions, code reviews, and continuous integration/delivery processes. \n, L3Harris Technologies is proud to be an Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to , , , , , ancestry, , (including , childbirth, breastfeeding or other related medical conditions), , expression, , marital status, veteran status, , genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law. ## Related Videos - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [Exploring the Power of gRPC-Gateway for Writing RESTful Services](https://www.wearedevelopers.com/videos/2072-exploring-the-power-of-grpc-gateway-for-writing-restful-services) - [Docker Compose: Rediscovered](https://www.wearedevelopers.com/videos/1978-docker-compose-rediscovered) - [Why Your Best Mediors Never Become Seniors (And How to Fix It)](https://www.wearedevelopers.com/videos/2108-why-your-best-mediors-never-become-seniors-and-how-to-fix-it) - [Docker exec without Docker](https://www.wearedevelopers.com/videos/1094-docker-exec-without-docker) - [Docker build without Docker](https://www.wearedevelopers.com/videos/100114-docker-build-without-docker) ## Related Articles - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Where To Find Software Engineering Jobs](https://www.wearedevelopers.com/magazine/396-where-to-find-software-engineering-jobs) - [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs) - [Find a Developer Job: 12 Best Job Sites For Developers](https://www.wearedevelopers.com/magazine/165-find-a-developer-job-12-best-job-sites-for-developers) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers)