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Builds and maintains a web-based crypto-alert terminal that connects to exchanges via API and lets users program advanced alerts on cryptocurrency price movements.
Builds and maintains backend services in Java/Spring Boot, optimizes systems, and ensures software quality with PostgreSQL/Oracle, Kafka/RabbitMQ, and testing tools.
Builds and maintains a SaaS platform in Java/Scala for asset managers and financial institutions, designing architecture, CI/CD pipelines, and collaborating in Agile teams.
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.
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.
Build and scale Python microservices with FastAPI/Django, PostgreSQL, and AWS, integrating APIs and automating CI/CD pipelines for high-impact client projects.
Build core Rust/Go backend services for a fast-growing blockchain oracle startup, focusing on data pipelines, node integrations, and cross-chain DeFi infrastructure.
Builds and maintains scalable Django/Python backend services, designs REST/GraphQL APIs, and leads architecture decisions for microservices while mentoring junior developers.
Build and maintain high-volume backend services in Java/Spring for Commerzbank’s internal engineering hub, mentoring peers and shaping architecture across distributed systems.
Build and maintain high-performance backend services in Elixir for a marketplace integrations platform, collaborating with cross-functional teams to ship scalable features.
Builds and maintains backend services in Elixir for an online marketplace integrations platform, fixing bugs and improving system performance.
Backend developer building math-driven game logic and systems for iGaming slots, including RTP models, simulations, and integration with gaming platforms.
Lead a Java/Spring-based FX hedging platform that ingests market data, runs rule-based overlays, and triggers alerts for transactions while optimizing performance and collaborating with global teams.
Build and maintain backend microservices in TypeScript/Node.js, deploy them on AWS with Terraform, and mentor junior developers.
Senior Java backend developer building microservices-based systems with Spring and Hibernate, working remotely on aviation traffic safety systems.
Backend developer building and maintaining a Polish SaaS invoicing platform used by 200k+ businesses, working with SQL, Ruby on Rails, and Git.
Build and maintain a cloud-native microservices platform in Node.js/NestJS that stores, visualizes, and analyzes pharmaceutical research models for a Sweden-based customer.
Build and maintain Java backend services for Société Générale’s Corporate and Investment Banking, focusing on structured finance, liquidity calculations, and regulatory reporting using Spring, Spring Boot, and SQL.
Build scalable Node.js backend services and APIs for global clients in fintech, healthcare, retail, and other industries while collaborating in a distributed team.
Build and maintain scalable microservices in Kotlin/Java for a next-gen business banking app, optimizing databases, Kafka streams, and Spring Boot services.
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