Senior Backend Developer (MakroPRO)

About the Company

We are a dynamic e-commerce platform based in Thailand, dedicated to transforming the B2B marketplace ecosystem. Our mission is to empower businesses by delivering cutting-edge solutions across payment, cart, fulfillment, search, and recommendation domains. We are looking for a talented Senior Backend Developer to join our team remotely.

Responsibilities

• Develop and maintain robust backend services using Node.js, Nest.js, Java, Spring Boot, Camel, and cloud platforms like AWS and GCP.
• Design and build scalable, event-driven, and failure-tolerant systems.
• Advocate for and implement best practices in DevSecOps, test-driven development (TDD), and continuous delivery pipelines.
• Collaborate on projects in domains such as Payment, Cart, Fulfillment, Search, and Recommendation.

Additional Information

• Optional (Nice-to-Have) ML/AI Experience: Vector Search for relevance, ML models (XGBoost, CNNs), LLMs & PEFT for fine-tuning large language models.

Qualifications

• 7+ years of experience in backend development, focusing on Node.js, Nest.js, Java, Spring Boot, Camel, and cloud platforms like AWS and GCP.
• Strong knowledge of PostgreSQL, Redis, distributed locking mechanisms, functional programming, design patterns, and advanced isolation levels.
• Hands-on experience with REST and GraphQL API development.
• Familiarity with Kafka, SQS, Kubernetes, and containerized application deployment.
• Practical experience with OLAP databases like BigQuery and Redshift, analytics tools such as Mixpanel and Amplitude, and AI platforms like SageMaker, MLflow, and Vertex AI.
• Knowledge of NLP, data structures such as graphs, BK Trees, B+ Trees, and the Pub/Sub paradigm.
• Excellent communication, collaboration, and problem-solving skills with a growth-oriented mindset.