Sr. Development Engineer | Kotlin

$60 - $71 per hour

Temporary

Dahl Consulting

Title : Sr. Development Engineer | Kotlin
Location : Remote
Job Type : Contract (12 months)
Compensation : $60.00 - $71.00 per hour (W2)
Industry: Retail
---
About the Role
Our client, a leading Fortune 500 retailer with a sophisticated digital commerce and advertising technology ecosystem, is seeking a Senior Development Engineer to help build and enhance large-scale advertising technology platforms. This role focuses on developing highly scalable backend systems that support digital advertising solutions, data-driven decision-making, and customer engagement across a high-volume enterprise environment.
The ideal candidate is a hands-on engineer with strong expertise in Kotlin , distributed systems, microservices architecture, and backend platform development. You will play a key role in designing resilient systems, evaluating emerging technologies, mentoring engineers, and driving engineering best practices. Job Description
Key Responsibilities
Design, develop, and maintain scalable, high-performance backend applications using Kotlin and microservices-based architectures.
Architect and implement resilient distributed systems capable of supporting high-volume, enterprise-scale workloads.
Evaluate emerging technologies and conduct proof-of-concept initiatives to assess scalability, performance, maintainability, and cost effectiveness.
Lead technical design sessions, architecture reviews, code reviews, testing strategies, and troubleshooting efforts.
Partner with cross-functional teams to create and document robust system architectures, workflows, and process flows.
Mentor and support other engineers while providing technical leadership across multiple initiatives.
Improve system reliability, resiliency, monitoring, and disaster recovery capabilities.
Establish and promote data quality standards across data ingestion, processing, storage, and operational workflows.
Drive engineering excellence through automation, CI/CD practices, testing, observability, and continuous improvement.
Contribute to the design and implementation of advertising technology solutions that align with business and platform objectives.
Qualifications
Required Qualifications
Strong hands-on experience developing and deploying production applications using Kotlin.
Experience with Java/J2EE application development.
Strong knowledge of Spring Boot and microservices architecture.
Experience designing and building RESTful APIs.
Solid understanding of distributed systems and scalable backend architectures.
Experience working in monorepo-based development environments.
Experience with event-driven systems and streaming platforms such as Kafka.
Bachelor's degree in Computer Science, Engineering, or a related field, or equivalent practical experience.
Experience with databases including one or more of the following:
PostgreSQL
MongoDB
Cassandra
Elasticsearch
Proficiency with automated testing frameworks including JUnit and integration testing methodologies.
Experience using observability and monitoring tools such as:
Elasticsearch
Logstash
Kibana
Grafana
Experience with DevOps methodologies, CI/CD pipelines, and automated deployment processes.
Strong communication, collaboration, and problem-solving skills.
Required Technical Skills
Kotlin
Java
Kafka
JUnit
Integration Testing
Spring Boot
REST APIs
Microservices
Distributed Systems
Preferred Qualifications
Experience working within Advertising Technology (AdTech) environments, including DSPs, SSPs, Ad Servers, or related platforms.
Experience with Python development.
Experience with workflow orchestration and data pipeline tools such as Oozie.
Knowledge of digital advertising technologies, data platforms, and campaign delivery systems.
Experience designing technical solutions that support advertising and business objectives.
Experience working in large-scale retail, e-commerce, or digital platform environments.
Benefits
Dahl Consulting is proud to offer a comprehensive benefits package to eligible employees that will allow you to choose the best coverage to meet your family’s needs. For details, please review the DAHL Benefits Summary: How to Apply
Take the first step on your new career path! To submit yourself for consideration for this role, simply click the apply button and complete our mobile-friendly online application. Once we’ve reviewed your application details, a recruiter will reach out to you with next steps! Equal Opportunity Statement
As an equal opportunity employer, Dahl Consulting welcomes candidates of all backgrounds and experiences to apply. If this position sounds like the right opportunity for you, we encourage you to take the next step and connect with us. We look forward to meeting you!
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Vacancy posted 3 days ago

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