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Front-End Developer
Build and maintain web apps using React, AWS, and AI-driven design tools; collaborate with cross-functional teams to ship product-led growth features and scale the platform.
Senior Java Developer
Senior Java developer building backend services with Spring Boot, Hibernate and SQL for a client project in Warsaw.
Java Developer
Build and maintain backend systems for mobile banking using Java, Spring, and Hibernate, while supporting deployments, testing, and production fixes.
Java Developer
Build and maintain Java applications with a focus on scalability, security, and performance, using Spring, Docker, Kubernetes, and CI/CD pipelines.
Java Developer
Builds and maintains Java-based backend systems for high-scale payment processing, integrating with banks and external APIs to handle transactions and financial data flows.
Java Backend Engineer (Spring Boot) - Hybrid (Warsaw)
Mid-level backend developer building and optimizing microservices for a fintech loan workflow system using Spring Boot, Kafka, PostgreSQL, and Kubernetes.
Java Developer
Build enterprise Java backends with Spring Boot, REST APIs, and microservices; write SQL, optimize queries, and integrate Kafka while ensuring security and test coverage.
Java Developer
Builds and maintains Java-based backend services using Spring, micro-services, and relational databases, with optional minor frontend tweaks.
Backend Java Engineer with DevOps focus
Build and deploy Java-based backend services for a global mobile wallet platform, focusing on Kubernetes, Docker, and CI/CD automation to handle billions of daily transactions.
Analyste, ingenierie des donnees / Developer Data Engineering
Lead data-engineering role modernizing a financial analytics platform by migrating SAS to SAS Viya on Kubernetes in the cloud, automating CI/CD pipelines, and ensuring security and performance.
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.
Senior Java Developer (Backend)
Build a secure, multi-tenant SaaS platform for EU telecom compliance using Java 21, Spring Boot, Flowable BPMN, and PostgreSQL, handling sensitive legal orders with strict deadlines.
Senior .NET Backend Developer - Performance & Data Specialist
Build and optimize high-performance .NET backend services for aviation software, focusing on EF Core, SQL tuning, and AWS RDS/Aurora performance in a microservices architecture.
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.
Backend Developer (C#) @ Centrum Informatyki Statystycznej
Builds and maintains backend services for web and mobile apps using C#, .NET, MS SQL, and APIs; occasionally contributes to frontend with React or Vue.
Intermediate .NET Backend Developer - C#
Builds and maintains .NET backend services in C# for Airbus’s aviation software, writes unit/component tests, and automates pipelines using DevOps tools like Docker and GitHub Actions.
Intermediate .NET Backend Developer - C#
Build and maintain .NET (C#) backend services for aviation software, from cloud-native AWS microservices to monolithic apps, using ASP.NET Web API, Entity Framework, and DevOps pipelines.
Formamind Senior Backend Developer
Builds and maintains scalable Django/Python backend services, designs REST/GraphQL APIs, and leads architecture decisions for microservices while mentoring junior developers.
Senior Java Backend Developer
Build and migrate Java/Spring Boot microservices to Azure Kubernetes, using Terraform and Kafka for scalable securitization platforms in an investment bank’s CASP division.
Backend Developer (Kotlin) in Kazakhstan
Build and maintain scalable microservices in Kotlin/Java for a next-gen business banking app, optimizing databases, Kafka streams, and Spring Boot services.