Back End Software Engineer, Senior

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Job Description:

Back-End Software Engineer, Senior – Full Time

Join Us in Powering the Future of UI/UX within Cyberspace

We are seeking a Senior Back-End Software Engineer to design and optimize the core infrastructure behind advanced AI-powered applications. This role offers an opportunity to work on cutting-edge integration projects, developing robust, scalable, and high-performance back-end solutions that support seamless data processing and intelligent decision-making. If you have a passion for building efficient, secure, and scalable server-side architectures and enjoy collaborating with top-tier engineers, data scientists, and AI specialists, this is the role for you.

Job Description:

Parsons is looking for an amazingly talented Senior Back-End Software Engineer to join our team! In this role, you will lead the back-end development of advanced systems, focusing on full life-cycle software design, implementation, optimization, and deployment. You will work alongside multidisciplinary teams to develop scalable, high-performance software solutions supporting mission-critical applications.

This position allows for a hybrid schedule but requires candidates to be local to the MD or Northern VA/DC Metro area.

What You'll Be Doing:

• Design, develop, and maintain scalable, high-performance back-end services and APIs.
• Optimize database performance, data modeling, and processing for large-scale applications.
• Enhance existing back-end architecture to improve system responsiveness, security, and scalability.
• Collaborate with front-end engineers, UX designers, system architects, and other stakeholders.
• Implement microservices-based architectures using containerization (Docker/Kubernetes).
• Develop and maintain CI/CD pipelines for automated testing and deployment.
• Ensure robust authentication, authorization, and security best practices in all back-end services.
• Conduct peer code reviews, implement unit and integration testing, and ensure documentation for all back-end components.
• Utilize Agile/Scaled Agile Framework (SAFe) methodologies for efficient software development.

What Required Skills You'll Bring:

• Must be a U.S. Citizen with an active TS/SCI clearance.
• Bachelor’s degree in software engineering, computer science, or a related field (or 4 additional years of experience in lieu of a degree).
• Minimum of 5+ years of experience in back-end software development.
• Expertise in RESTful API & microservice design patterns.
• Strong programming skills and experience in developing backend web server implementations using REST. Preferably using Python frameworks such as Flask, FastAPI, Django etc.
• Proficiency in programming languages such as Python, Java, JavaScript, or Go.
• Expertise in containerized application development and management. Preferably with a strong familiarity of Docker & Kubernetes, including deploying, managing, and scaling containerized applications, as well as troubleshooting and optimizing workloads within a cluster.
• Strong understanding of database architecture, SQL, and NoSQL databases (e.g., PostgreSQL, MongoDB, Redis).
• Familiarity with CI/CD pipelines, DevSecOps practices, and automation tools (e.g., Jenkins, GitLab CI/CD, Terraform, Ansible).
• Experience with cloud platforms (AWS, Azure, or Google Cloud) and infrastructure as code (IaC).
• Strong debugging and performance optimization skills for distributed systems.

What Desired Skills You'll Bring:

• Experience with message queuing technologies (e.g., Kafka, RabbitMQ, NATS).
• Knowledge of GraphQL, gRPC, or WebSockets for modern data services.
• Understanding of cybersecurity best practices, encryption, and secure coding techniques.
• Familiarity with observability tools (e.g., Prometheus, Grafana, ELK stack).
• Ability to communicate complex technical concepts to non-technical stakeholders and senior leadership.
• Experience working in Agile/SAFe development environments.
• TS/SCI w/Poly preferred.

Minimum Clearance Required to Start:

Top Secret

Minimum Clearance Required to Start:

Top Secret

This position is part of our Federal Solutions team.

The Federal Solutions segment delivers resources to our US go