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SENIOR BACKEND ENGINEER (JAVA, KOTLIN, SPRING BOOT, AWS)
Designs and scales backend services for retail product and assortment management using Kotlin, Spring Boot, Kafka, AWS, and Kubernetes.
Senior Software Engineer (IoT)
Build and maintain cloud and embedded systems that connect transit agency hardware to real-time data platforms, improving fleet operations and passenger information.
Senior Back-End / Data Engineer – Innovation team
Build and own the data pipelines, ML feature stores, and inference APIs that power renewable-energy analytics at scale, integrating forecasts into a SaaS platform for wind, solar, hydro, and storage assets.
Sr./Staff Backend Engineer - Java (Poland)
Build and maintain scalable, low-latency Java backend services on AWS for a SaaS AI risk decisioning platform used by banks and fintechs to detect fraud and manage compliance.
Staff, Data Engineer (Global Security)
Design and optimize scalable ETL/ELT pipelines in Snowflake, automate workflows with Python/Airflow, and enforce data governance for analytics and AI at a major bank.
Java Developer
Builds and maintains Java-based backend systems and RESTful APIs using Spring Framework for scalable SaaS platforms.
Full Stack Developer, AI
Build full-stack HR tech systems (Java, Python, Angular, Spring Boot) and AI-powered pipelines (Snowflake, AWS, Airflow) while owning CI/CD, DevOps, and cloud deployments.
Lead Staff Software Engineer, Data & AI Platform
Lead the design and scaling of Rivian’s Generative AI backend, orchestrating LLMs, vector stores, and agents to power AI-driven features for commercial partners and customers.
Java Developer (Java + AWS)
Build and maintain Java-based systems (Spring, AWS) for logistics clients, writing testable code and collaborating in Scrum teams.
Full Stack Developer, AI
Build and maintain full-stack HR tech systems using Java, Python, Angular, and cloud platforms, while integrating AI tools into the SDLC and data pipelines.
Java Backend Engineer — Real-Time Fraud & Microservices
Builds real-time fraud detection and analytics services using Java and Spring in a cloud-scale microservices architecture.
AI Full Stack Software Developer
Build AI-powered internal tools and scalable RAG/LLM systems for a trading firm, integrating Python, Go/Rust, and modern web stacks to enhance productivity across teams.
(Senior) Backend Developer (Node.js) - OneRail’s Technology Hub - Poland
Build and maintain Node.js backend services and APIs for a logistics platform that orchestrates multi-modal deliveries.
Full Stack Developer (Backend Focus)
Build and maintain scalable web apps using Node.js, PHP/Laravel, Ruby on Rails, Vue.js, and TypeScript while optimizing databases and CI/CD pipelines.
Software Development Engineer II (Backend)
Builds and scales backend systems for an OSINT-focused cybersecurity product using Python, Go, or Node.js and AWS serverless services.
Principal Data Engineer
Principal Data Engineer designs and builds scalable cloud data pipelines using Snowflake, Databricks, and AWS, while integrating AI agents for automated data quality and transformation workflows.
Senior Data Engineer
Senior Data Engineer builds and maintains ETL pipelines, schedules jobs, and reviews code for robust data solutions in a consulting context.
GCP Data Engineer
Design and maintain scalable ETL pipelines on GCP using Spark Serverless, Spark on GKE, and Python, with BigQuery, CloudSQL, and Pub/Sub for data processing and governance.
Senior Backend Developer (Java & Python)
Build and migrate cloud-native microservices in Java/Spring Boot to Azure AKS for a bank’s securitization platform, using Terraform, Kafka, and Azure SQL while ensuring regulatory compliance and high availability.
Staff, Data Engineer (Global Security)
Build and optimize scalable ETL/ELT pipelines in Snowflake, automate workflows with Python/Airflow, and enforce data governance for analytics and AI at a major bank.