Backend Senior Software Engineer

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When it comes to what you want in your career, if you can imagine it, you can do it at Parsons. Imagine a career working with exceptional people sharing a common quest. Imagine a workplace where you can be yourself. Where you can thrive. Where you can find your next, right now. We’ve got what you’re looking for.

Job Description:

Parsons is looking for an amazingly talented Backend Senior Software Engineer to join our team! In this role you will get to will lead the back-end development of advanced systems, focusing on full life-cycle software design, implementation, optimization, and deployment.

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 US Citizen and active TS/SCI clearance.

• Bachelor degree in software engineering, computer science, or related technology field. 4 additional years of experience may be substituted in lieu of a degree.

• Expertise in RESTful API & microservice design patterns.

• 5+ years of relevant experience with back-end software development.

• Strong programming skills and experience in developing back-end web server implementations using REST. Preferably using Python frameworks such as Django and FastAPI.

• 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., GitLab CI/CD).

• 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:

• Ability to communicate highly technical analyses at a level comprehensible to non-technical audiences and senior-level government representatives and corporate executives.

• 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.

• Demonstrated ability to work effectively as a lead or within a team of peers, as well as excellent interpersonal and communication skills.

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 government customers that ensure the success of missions around the globe. Our intelligent employees drive the state of the art as they provide services and solutions in the areas of defense, security, intelligence, infrastructure, and environmental. We promote a culture of excellence and close-knit teams that take pride in delivering, protecting, and sustaining our nation's most critical assets, from Earth to cyberspace. Throughout the company, our people are anticipating what’s next to deliver the solutions our customers need now.

Salary Range: $108,700.00 - $190,200.00

We value our employees and want our emp