Senior Scala Developer
First seen by Alion on Oct 6, 2026.
Role Overview :
We are looking for an experienced Scala Developer with 4+ years of software product development experience to join our engineering team. You will be responsible for designing, developing, and maintaining scalable, reliable, and high-performance backend services that support business-critical applications.
Key Responsibilities :
- Design, develop, and maintain scalable backend services using Scala and Functional Programming principles.
- Build and enhance RESTful APIs and microservices using the Play Framework.
- Develop highly reliable and low-latency services capable of handling high transaction volumes.
- Design event-driven and distributed systems using Apache Kafka.
- Work with Elasticsearch for search, indexing, and data retrieval requirements.
- Develop efficient queries and data models using SQL and NoSQL databases.
- Work with Cassandra and other distributed databases where required.
- Analyze technical requirements, participate in architecture discussions, and contribute to system design decisions.
- Write clean, maintainable, testable, and production-ready code following software engineering best practices.
- Troubleshoot performance, scalability, and production issues and implement effective solutions.
- Collaborate with product managers, architects, QA engineers, DevOps teams, and other developers to deliver high-quality product features.
- Participate in code reviews, technical discussions, and continuous improvement initiatives.
Tech Stack & Requirements :
- 4+ years of experience in software product development.
- Strong hands-on expertise in Scala and Functional Programming.
- Experience developing applications using Play Framework and REST-based microservices.
- Hands-on experience with Kafka and Elasticsearch.
- Good knowledge of SQL and NoSQL databases.
- Familiarity with Cassandra and distributed data stores.
- Experience building low-latency, high-throughput/high-transactional services.
- Strong understanding of microservices, distributed systems, API design, and scalable backend architecture.
- Good problem-solving, analytical, and communication skills.
- Ability to work effectively in an agile and collaborative development environment.
Preferred Qualifications :
- Experience with cloud platforms and containerized environments such as Docker/Kubernetes.
- Understanding of CI/CD practices and automated testing.
- Experience with performance optimization and production troubleshooting.
- Knowledge of distributed systems, event-driven architecture, and asynchronous programming.
Skills
Scala, Functional Programming, Rest Webservices, Microservices Architecture, Play Framework, Kafka, SQL, NoSQL, Distributed Systems, API