Senior Software Engineer
North America
July 19, 2026 at 2:42 PM
CONTRACT ROLE
The Senior Backend Engineer will create functional, modularized, scalable, and performant backend services using Kotlin and Kafka frameworks. This is a senior-level, hands-on engineering role with mentorship responsibilities over a team of 3 junior engineers. The client is looking for a self-starter who can deliver in a senior capacity with limited direction.
Tech Stack: Kotlin · Spring Boot · Kafka · PL/SQL · DataDog · Superblocks (low-code)
Core Responsibilities
Required Experience
Years of Experience: 8–15 years of backend development experience (APIs, microservices)
Kotlin: Hands-on experience developing medium to complex service APIs in Kotlin
Kafka: Sound working knowledge of Kafka — ability to integrate with API services
Database Integration: Integrate API services with databases to read/write transaction details
Data Modeling: Creation of logical, conceptual, and physical data models using Lucid, Visio, or similar tools
SQL: Writing simple to medium complexity DML queries; ability to understand existing queries
Mentorship: Experience managing and mentoring a team of junior engineers
Agile: Experience working within an Agile scrum team setup
Required Skills & Technology
Kotlin: Primary programming language — medium to complex API service development
Spring Boot: Backend framework for API development
Kafka: Event streaming platform integration with API services
PL/SQL; Database scripting and query development
Data Modeling: Lucid, Visio, or equivalent tools for conceptual/logical/physical models
DataDog: Code instrumentation for observability
Agile/Scrum: Standups, grooming, planning, retros
Code Quality: Scalability, maintainability, vulnerability, and performance standards
Collaboration: Ability to work in a team environment and communicate development updates regularly
Preferred Skills & Technology
Prompt Engineering: Knowledge of prompt engineering is a plus
Superblocks: Familiarity or knowledge of Superblocks low-code platform
Education