Senior Java Backend Engineer - Real-Time DSP (AdTech)

Coherent Solutions; México; Hybrid; MXN 900,000 - 1,400,000; Full time

Benefits offered by this job

Health insurance

Flexible work options

Training programs

Conferences & meetups

Mentorship

Referral program

Vacation days

Job summary

Coherent Solutions in Mexico is seeking a senior Java backend engineer to help develop real-time DSP serving services, processing billions of transactions daily, with a focus on high throughput, low latency, and reliability. You will work with Kafka/Kinesis, Docker, Kubernetes, and Tomcat to build scalable distributed systems.

You will collaborate with product teams, write production-ready code, improve test coverage and observability, and participate in Agile sprints with quarterly pager duty.

Qualifications

• 5+ years of commercial Java backend development experience.
• Strong knowledge of the JVM ecosystem, GC, profiling and tuning.
• Experience with distributed REST APIs, fault tolerance, scalability and resilience.
• Hands-on experience with low-latency, high-throughput services.
• Experience with real-time streaming pipelines using Kafka or Kinesis.
• Strong data structures and algorithms knowledge.
• Experience with Tomcat and web/application servers.
• Understanding of networking and load balancing concepts.
• Production experience with Docker and Kubernetes.
• Git and CI/CD pipelines (GitLab CI/CD or similar).
• Interest in modern technologies and AI-assisted development tools.
• Willingness to participate in PagerDuty rotation (1 week per quarter).
• Excellent verbal and written communication; ability to explain technical trade-offs.
• English: B2 or higher.

Responsibilities

• Develop high-performance, large-scale services for DSP integrations and platform products.
• Collaborate with Product to translate requirements into technical solutions.
• Write clean, production-ready code with a focus on throughput and latency.
• Design, develop, test, and improve platform features.
• Contribute to distributed systems handling billions of transactions per day under SLAs.
• Improve test coverage, monitoring, automation, and observability.
• Follow Agile methods in a fast-paced engineering environment.

Skills

Java backend development

High-throughput systems

Low latency optimization

Distributed REST APIs

Communication

English fluency

Tools

Docker

Kubernetes

Tomcat

Git

CI/CD

Kafka

Kinesis

Redis

AWS S3

Job description

Coherent Solutions in Mexico is seeking a senior Java backend engineer to help develop real-time DSP serving services, processing billions of transactions daily, with a focus on high throughput, low latency, and reliability. You will work with Kafka/Kinesis, Docker, Kubernetes, and Tomcat to build scalable distributed systems.

You will collaborate with product teams, write production-ready code, improve test coverage and observability, and participate in Agile sprints with quarterly pager duty.