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Build and maintain backend services in NestJS (TypeScript) that power energy-trading workflows: billing engines, tariffing, invoicing, legacy integrations, and reporting pipelines.
Build and maintain scalable ETL/ELT pipelines and data warehouses to track USDC movement across blockchains, enabling analytics on holdings, use cases, and growth opportunities.
Staff Data Engineer builds and governs scalable data systems (Snowflake, Postgres, Kafka) to power TCGplayer’s marketplace, ensuring reliable, secure, and well-tested data flows across warehouse and application platforms.
Build and maintain large-scale data pipelines and products for the App Store, processing petabytes daily to generate insights while ensuring privacy and correctness.
Build and scale the cloud-based energy management platform that powers distributed energy resources, using Go, Kubernetes, and distributed databases like Redis and ClickHouse.
Design and implement backend services in Java/Spring Boot, build RESTful APIs, optimize SQL queries, and support CI/CD pipelines for a backend team in Poland.
Build and maintain scalable Java backend services for a banking programme using Spring, Kafka, and distributed systems.
Principal Software Developer – AI Data Architect designs and leads an AI-ready data platform for Caseware’s cloud products, setting standards for data modeling, governance, and AI integration while mentoring teams.
Develops SaaS back-end services in Java/J2EE, designs solutions, and integrates systems using Spring, databases, and APIs.
Build and maintain scalable Spring Boot microservices and REST APIs for a telecom client, using AWS, Kubernetes, and event-driven patterns while owning end-to-end DevOps and testing.
Build enterprise Java backends with Spring Boot, REST APIs, and microservices; write SQL, optimize queries, and integrate Kafka while ensuring security and test coverage.
Develops secure identity solutions in Java/Spring Boot, building REST APIs and cloud-native services for biometric and cryptographic systems.
Builds and improves backend services for mobile apps using Java, Spring, and REST, focusing on clean code and product quality.
Builds and refactors Java-based systems using microservices and DDD, focusing on distributed architecture, automated testing, and modern tooling like Kafka and Kubernetes.
Build and own JVM microservices (Java/Kotlin) on AWS that power a global container logistics intelligence platform, optimizing routes, schedules, and emissions data for shippers and freight forwarders.
Build AI-powered internal tools and scalable RAG/LLM systems to enhance productivity across a trading firm, using Python, Go/Rust, and modern full-stack stacks.
Build and maintain a Java-based logistics system for meal-box delivery, working in a newly formed in-house team using Spring Boot, WebFlux, and Redis.
Senior Java developer building scalable backend services for a banking programme using Java 17+, Spring, Kafka, and distributed databases in an Agile team.
Build and maintain scalable Java microservices for a cloud-based digital banking platform using Spring Boot, Kafka, and PostgreSQL.
Build and maintain backend services for a next-gen business banking app using Java 11+, Spring Boot, and microservices; integrate Kafka, Redis, and cloud platforms.
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