Senior Scala Backend Engineer - Akka, CQRS, Kubernetes

Bln24, Llc.; United States; Hybrid; USD 140,000 - 180,000; Full time

Benefits offered by this job

Medical, dental, vision plans

Remote work opportunities

Equal Opportunity Employer

Job summary

BLN24 in McLean, VA is seeking a Senior Back End Web Developer to design, build, and optimize scalable back-end services for CFPB’s RegTech BPA program. The role emphasizes Scala, Akka Toolkit, CQRS, and event-driven architecture within containerized microservices orchestrated by Kubernetes.

You will develop APIs handling complex JSON, query relational and NoSQL stores like PostgreSQL and Cassandra, write unit tests, and collaborate in an Agile team using GitHub.

Qualifications

• 8+ years of professional back-end development experience.
• Experience with Scala, Akka Toolkit, reactive programming, and actor-based concurrency.
• Experience in CQRS, event-driven architecture.
• Experience querying relational and NoSQL databases (PostgreSQL, Cassandra/AWS Keyspaces).
• Expertise with ORM (e.g., Slick) and building APIs with complex JSON payloads.
• Experience writing unit and integration tests; Agile team collaboration.
• Experience containerizing microservices (Docker) and deploying on Kubernetes.
• GitHub for source control and planning; Bachelor’s (Master’s preferred).

Responsibilities

• Design, develop, and maintain back-end services with Scala and Akka Toolkit.
• Build components of a CQRS, event-driven architecture.
• Develop and optimize database queries for PostgreSQL and Cassandra/AWS Keyspaces.
• Implement data access layers using ORM libraries.
• Build and optimize APIs handling complex JSON payloads.
• Write unit and integration tests validating API responses.
• Develop containerized microservices for Docker and deploy on Kubernetes.
• Collaborate in an Agile team with architects, front-end developers, and product owners.

Skills

Scala

Akka Toolkit

Functional programming

Reactive programming

Actor-based concurrency

CQRS

Event-driven architecture

API design

Unit testing

Integration testing

GitHub usage

Agile teamwork

Education

Bachelor’s degree in Computer Science or related field

Master’s degree preferred

Tools

Docker

Kubernetes

Slick ORM

PostgreSQL

Cassandra / AWS Keyspaces

Job description

BLN24 in McLean, VA is seeking a Senior Back End Web Developer to design, build, and optimize scalable back-end services for CFPB’s RegTech BPA program. The role emphasizes Scala, Akka Toolkit, CQRS, and event-driven architecture within containerized microservices orchestrated by Kubernetes.

You will develop APIs handling complex JSON, query relational and NoSQL stores like PostgreSQL and Cassandra, write unit tests, and collaborate in an Agile team using GitHub.