Senior Back End Web Developer

BLN24•Mclean, VA

2d•Remote

About The Position

BLN24 is seeking a Senior Back End Web Developer to support CFPB's RegTech BPA program by designing, building, and optimizing the back-end services behind public-facing regulatory applications. This role requires deep experience with Scala and the Akka Toolkit, CQRS and event-driven architecture, and high-performance API and database development within containerized microservices orchestrated by Kubernetes.

Requirements

8+ years of professional back-end development experience
Experience in functional programming using Scala, including the Akka Toolkit, the reactive programming model, and actor-based concurrency
Experience working on a CQRS, event-driven architecture
Demonstrated experience developing and optimizing database queries in relational (SQL) and non-relational (NoSQL) structures, such as PostgreSQL and Cassandra / AWS Keyspaces
Expertise using Slick or another Object Relational Mapping (ORM) library
Expertise building and optimizing APIs with complex JSON payloads
Experience creating unit tests and integration tests that validate end-to-end API responses
Experience developing containerized microservices, with specific skills developing for Docker containers using Kubernetes orchestration
Experience working with GitHub for source code management and planning
Bachelor's degree in Computer Science or related field

Nice To Haves

Master's degree preferred
Experience using asynchronous Python methodologies or similar
Experience with a front-end framework such as VueJS, especially ReactJS
Demonstrated experience working on open-source projects, including delivering public-facing solutions
Prior engagement at CFPB or other federal financial regulators (e.g., FDIC, OCC, SEC, FRB, NCUA)
Experience delivering solutions in a federal FISMA Moderate or comparable security-compliance environment

Responsibilities

Design, develop, and maintain back-end services using Scala and the Akka Toolkit, applying functional programming, reactive programming, and actor-based concurrency
Build and evolve components of a CQRS, event-driven architecture
Develop and optimize database queries across relational and non-relational stores, including PostgreSQL and Cassandra / AWS Keyspaces
Implement data access layers using Slick or comparable ORM libraries
Build and optimize APIs that handle complex JSON payloads
Write unit and integration tests that validate end-to-end API responses
Develop containerized microservices for Docker and deploy them on Kubernetes
Manage source code, reviews, and planning in GitHub, collaborating with architects, front-end developers, and product owners in an Agile team