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Build and optimize large-scale ad-serving and segmentation systems for CTV advertising, working with distributed data pipelines and cloud infrastructure.
Fullstack-разработчик проектирует и пишет корпоративные веб-приложения на Python/FastAPI, Node.js и React, внедряет AI/RAG-решения и интегрирует корпоративные сервисы.
Build and maintain backend services in C#/.NET for Regal’s consumer-facing ticketing, ordering, loyalty, and mobile apps used by millions of moviegoers.
Build and maintain React Native mobile apps for iOS and Android that process nonprofit donations via Tap to Donate and Giving Station, using TypeScript, Stripe Terminal, and a Node.js backend.
Build Clear Street’s iOS mobile apps using Swift/SwiftUI, integrating with REST APIs and backend systems to deliver seamless access to financial trading tools.
Gigi is the agentic operating system of enterprise media buying. Our first product is the AI media manager for Amazon DSP. Since launching it in summer 2025, we've grown to manage hundreds of millions in…
Senior Python Backend Developer will refactor a monolithic Django/DRF system into microservices, optimize PostgreSQL (indexes, sharding, partitioning) and implement async tasks with Celery/Redis for a B2B financial planning SaaS.
Builds and maintains high-performance ETL pipelines, REST APIs, and SQL databases to ingest, transform, and distribute financial market data (e.g., Bloomberg feeds) for Marex’s trading and risk systems, ensuring scalability, accuracy, and compliance with FCA regulations.
Senior Software Engineer at Kiwi.com develops AI-driven, real-time travel solutions for flight disruptions, automated check-in, and baggage/seating systems, owning end-to-end features in Python/Golang with microservices, PostgreSQL, and Redis.
Senior Software Engineer at Flix in Berlin builds and improves backend services for global mobility coordination using Java, Spring Boot, Kafka, and AWS, while leading technical decisions in a collaborative, product-driven team.
QA Engineer designs and runs load/performance tests for backend and microservices using Locust/k6, models traffic profiles, and debugs issues with REST/gRPC, Kafka/RabbitMQ, and sniffers.
Build and scale HR and payroll systems in Go, Ruby on Rails, and AWS to serve thousands of businesses reliably and securely.
Build and lead backend services for a unified time-tracking and payroll platform, integrating compliance rules across 50+ jurisdictions and replacing legacy systems with Go, Ruby on Rails, and Kubernetes.
Build and maintain scalable backend systems for employee benefits platforms using Go, Ruby on Rails, and AWS, ensuring security and reliability in a regulated environment.
Builds and maintains backend systems (Ruby on Rails, Go, Kafka, Kubernetes) to unify onboarding flows for full-time, contractor, and international hires, reducing time-to-payroll and improving activation rates via AI-driven data ingestion and real-time validation.
Build and maintain the cloud infrastructure and internal tooling for a fast-growing running-training app, using AWS, serverless, and CI/CD pipelines to ensure scalability and reliability.
Build and maintain the core financial computation layer for payroll, tax calculations, and money movement at a payroll/HR platform, using Go, Rails, and AWS.
Fullstack developer building a DSP ad-tech platform: backend in NestJS/Go, frontend in React/TypeScript, and high-load services handling ad traffic and events.
Builds and maintains a React/TypeScript admin console for an automated ad-buying DSP platform, including campaign management, analytics, and user/role controls.
Build and scale a distributed cloud-security platform in Python, working with Neo4j, ElasticSearch, TimescaleDB, Redis and RabbitMQ across AWS, GCP and Azure.
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