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Build and maintain Java-based microservices for gaming platforms using Spring Boot, Kubernetes, and AWS, while ensuring observability with Grafana and Kafka.
Build and maintain Java/Spring Boot backend services and APIs for a top Polish bank, integrating databases, Kafka/RabbitMQ, and writing automated tests.
Junior Backend Developer builds and maintains Java/Spring Boot microservices on AWS/GCP, using Kubernetes, PostgreSQL, and Kafka to power Kalamba Games' gaming platforms.
Builds and maintains a NestJS/TypeScript backend for a Polish energy-trading fintech, implementing billing engines, API integrations, and data pipelines for gas-market operations.
Build and maintain Java-based fintech software for enterprise clients, collaborating with cross-functional teams to deliver scalable solutions and adhere to regulatory standards.
Builds scalable, secure backend services and APIs using Java, Go, Python, or Node.js, deploying to AWS/Azure/GCP with CI/CD and cloud-native tools.
Build and modernize insurance software, reduce technical debt, and improve code quality while learning from senior engineers in a collaborative team.
Lead architecture and delivery of cloud-native, event-driven banking systems in Java/Spring, defining scalable, secure microservices and mentoring senior engineers.
Build and maintain risk computation platforms using Java, Spring Boot, and Big Data tech to quantify and reduce exposure in capital markets.
Build and scale risk-computation platforms in Java/Spring, Kafka, and Big Data stacks to quantify and reduce TD Securities’ exposure across global markets.
Build and maintain Java-based risk and valuation applications for derivatives trading, migrating legacy systems to cloud and improving performance for intra-day processing.
Senior Java engineers troubleshoot production incidents, tune JVMs, and modernize legacy systems using Spring Boot, Kafka, and Kubernetes for high-traffic services.
Build and maintain Java-based risk and valuation applications for derivatives trading using Spring Boot, Kafka, and cloud infrastructure to support market risk analysis and regulatory compliance.
Build and maintain Java/Spring Boot microservices for core banking systems, focusing on deposits, lending, payments, and end-of-day processes.
Build and maintain scalable Java backend systems for an ecommerce platform using Spring Boot, Hibernate, and MySQL, with REST/GraphQL APIs and third-party integrations.
Designs scalable backend architectures (microservices, APIs, event-driven systems) in Java for banking clients, ensuring security, observability, and cloud deployment.
Build and run Spotify’s playlist-personalization services like Discover Weekly and Smart Shuffle, writing low-latency gRPC services and large-scale Scala/Scio batch pipelines that process hundreds of millions of user signals daily.
Builds and scales backend services in Java to power podcast recommendations on Spotify’s Home Page and other surfaces, collaborating with cross-functional teams to improve user listening experiences.
Build and lead frontend-heavy integrations for life-insurance carriers using React, TypeScript, and Go/Python, turning partner requirements into scalable, secure, and reusable systems.
Build and optimize backend services in Go for a cybersecurity platform that automates compliance workflows and integrates with third-party systems.
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