The Role
Designs and maintains high-performance back-end services using Scala and Akka, CQRS, event-driven architecture, APIs, and database technologies. Develops containerized microservices with Docker and Kubernetes, implements data access layers, optimizes PostgreSQL and Cassandra queries, and writes unit and integration tests. Collaborates with architects, front-end developers, and product owners in an Agile environment using GitHub. The role supports public-facing federal regulatory applications and may involve asynchronous Python, front-end frameworks, open-source projects, and FISMA Moderate environments.
Summary Generated by Built In
Job Title: Senior Back End Web Developer
Location: McLean, VA
Company: BLN24
About Us: We find strength in teamwork-a better you is a better us
BLN24 is an award-winning Management Consulting Firm that supports the U.S. Federal Government in successfully achieving their mission and goals. Our service and solutions delivery start with understanding each client’s end-state, and then seamlessly integrating within each Agency’s organization to improve and enhance strategic and technical operations and deployments.
Position Overview:
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.
Key Responsibilities:
Preferred Qualifications:
What BLN24 brings to the Game:
BLN24 benefits are game changing. We like our team to play hard and that means they need to be taken care of — physically, financially, and emotionally. We make sure to keep them in the game by giving them access to generous medical, dental, and vision plans.
Location: McLean, VA
Company: BLN24
About Us: We find strength in teamwork-a better you is a better us
BLN24 is an award-winning Management Consulting Firm that supports the U.S. Federal Government in successfully achieving their mission and goals. Our service and solutions delivery start with understanding each client’s end-state, and then seamlessly integrating within each Agency’s organization to improve and enhance strategic and technical operations and deployments.
Position Overview:
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.
Key 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
- 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; Master's degree preferred
Preferred Qualifications:
- 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
What BLN24 brings to the Game:
BLN24 benefits are game changing. We like our team to play hard and that means they need to be taken care of — physically, financially, and emotionally. We make sure to keep them in the game by giving them access to generous medical, dental, and vision plans.
- You can join one of the fastest growing companies headquartered in the Washington DC Metro Area. We give you the opportunity to work in different sectors, so you have the chance at variety while maintaining stability.
- Flexibility at BLN24 allows each individual the opportunity to balance quality work and their personal lives. Depending on projects, we allow remote working opportunities so you can always be in the game no matter where you call home.
Skills Required
- 8+ years of professional back-end development experience
- Functional programming experience using Scala, including the Akka Toolkit, reactive programming, and actor-based concurrency
- Experience with CQRS and event-driven architecture
- Experience developing and optimizing relational and non-relational database queries, including PostgreSQL and Cassandra or AWS Keyspaces
- Expertise using Slick or another ORM library
- Expertise building and optimizing APIs with complex JSON payloads
- Experience creating unit and integration tests validating end-to-end API responses
- Experience developing Docker containerized microservices using Kubernetes orchestration
- Experience using GitHub for source code management and planning
- Bachelor's degree in Computer Science or a related field
- Master's degree
- Experience with asynchronous Python methodologies or similar
- Experience with a front-end framework such as VueJS or ReactJS
- Experience contributing to open-source projects and delivering public-facing solutions
- Prior engagement at CFPB or another federal financial regulator
- Experience delivering solutions in a federal FISMA Moderate or comparable security-compliance environment
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The Company
What We Do
BLN24 is a digital creative agency that is an 8(a) minority-owned small disadvantaged business (SDB). We add value by merging our commercial and government experience to create award-winning solutions for clients with the most important missions globally. BLN24 is a first-class communication, marketing, and technology agency for federal agencies and Fortune 500 companies. Founded by two former Booz Allen Hamilton employees, BLN24’s industry-lead marketing and communications strategies along with production and visual design has been on web and print advertisement campaigns as well as television networks across the nation.
