Scala Backend Engineer – Real-Time & Cloud Microservices

Jobtailor; Jersey City (NJ); On-site; USD 120,000 - 180,000; Full time

Job summary

Jobtailor in New Jersey seeks an experienced backend engineer focused on Scala to build high-throughput services and real-time processing.

You will refactor code, work with cross-functional teams, participate in on-call rotation, and help deliver scalable, reliable platform features.

Qualifications

• 3+ years of backend development experience with at least 2 years in Scala.
• Strong knowledge of functional programming principles.
• Experience with real-time systems, high-throughput APIs and low-latency data processing.
• Familiarity with distributed systems, microservices, and message queues.
• Proficiency with relational (PostgreSQL/MySQL) and non-relational databases (Cassandra/Redis).
• Hands-on with cloud platforms (AWS/GCP) and containerization (Docker/Kubernetes).
• Ability to deliver clean, maintainable code and solve problems.

Responsibilities

• Build high-quality software in Scala with strong test coverage and automation.
• Continuously refactor code to improve performance and simplicity.
• Collaborate with senior engineers to deliver scalable real-time solutions.
• Work with product managers to add features enhancing user experience and system capabilities.
• Debug and resolve issues across the retention platform.
• Analyze performance and optimize for speed and reliability.
• Participate in code reviews to maintain quality and share knowledge.
• Stay updated on industry trends and technologies.
• Assist with hiring of future colleagues.

Skills

Scala

Backend development

Functional programming

Real-time systems

Microservices

Distributed systems

Cloud platforms

Docker

Kubernetes

On-call rotation

Tools

Kafka

RabbitMQ

Docker

Kubernetes

AWS

GCP

Job description

• Build high-quality software in Scala with high unit test coverage and reliable end-to-end automation coverage
• Continuously refactor code to simplify implementation and address performance concerns
• Collaborate with senior engineers to implement scalable and reliable solutions for real-time customer engagement and rewarding systems
• Work closely with product managers and stakeholders to develop features that enhance user experience and system capabilities
• Debug and resolve technical issues across the retention platform
• Analyze system performance and implement optimizations for speed and reliability
• Work within a cross-functional team, including AQA, Front-end, iOS, and DevOps engineers, to deliver end-to-end solutions
• Participate in code reviews to ensure high-quality standards and knowledge sharing
• Stay updated on industry trends and technologies
• Support the hiring of future colleagues

Requirements

• 3+ years of experience in backend development, with at least 2 years of professional experience with Scala
• Strong knowledge of functional programming principles and practices
• Experience with real-time systems, high-throughput APIs, and low-latency data processing
• Familiarity with distributed systems, microservices architecture, and message queues (e.g., Kafka, RabbitMQ)
• Proficiency in relational databases (e.g., PostgreSQL, MySQL) and non-relational databases (e.g., Cassandra, Redis)
• Hands-on experience with cloud platforms (e.g., AWS, GCP) and containerization tools (e.g., Docker, Kubernetes)
• Strong problem-solving skills with a focus on delivering clean, maintainable code
• Must be available for rotational on-call duty every 4-6 weeks to provide 24hr cover for major incidents, including weekends and holidays

Core Competencies

Demonstrates expertise in backend development with a strong focus on Scala, functional programming, and real-time systems. Capable of optimizing system performance and collaborating effectively within cross-functional teams to deliver high-quality software solutions.

Highest-signal resume keywords

• Scala Development
• Functional Programming Principles
• Real-Time Systems
• Cloud Platforms (AWS, GCP)
• Containerization Tools (Docker, Kubernetes)

ATS Optimization Keywords

Hard Skills

• Backend Development
• High-Throughput APIs
• Low-Latency Data Processing
• Distributed Systems
• Microservices Architecture
• Relational Databases (PostgreSQL, MySQL)
• Non-Relational Databases (Cassandra, Redis)
• Code Refactoring
• Unit Testing
• Performance Optimization

Soft Skills

• Problem-Solving
• Collaboration
• Knowledge Sharing

Industry Keywords

• Cross-Functional Team
• End-to-End Automation
• User Experience
• System Capabilities
• On-Call Duty

Tools & Technologies

• Kafka
• RabbitMQ
• Docker
• Kubernetes
• AWS
• GCP