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Build and maintain high-performance Java backend systems powering FX trading platforms, ensuring speed, reliability, and scalability while collaborating with engineers and product teams.
Build and maintain scalable C#/.NET game engines for bingo products, extend them for B2B APIs, and support systems like chat and certification.
Builds backend services in .NET for device connectivity and user experiences on the PerfectDraft platform, leveraging AI-assisted tools and cloud infrastructure.
Build and maintain the backend game engines and APIs that power tombola’s bingo products and B2B integrations using C#, .NET, AWS, and databases like T-SQL and DynamoDB.
Senior Backend Engineer at Obsidian Security builds and evolves core backend systems and APIs using Python/Go, Docker, Kubernetes, and cloud platforms in a hybrid, AI-forward SaaS security environment.
Design and scale distributed backend systems, optimize databases, streaming pipelines, queues, and caching for an AI startup’s infrastructure.
Builds scalable microservices and APIs for a global payments network with AI-driven fraud detection and compliance in a fast-paced startup.
Design and build scalable microservices in Java/Spring Boot, mentor engineers on clean code and CI/CD, and integrate AI/LLMs into engineering workflows.
Build high-performance Java APIs and microservices for an AI-driven wealth platform, owning architecture, testing, and deployment in AWS.
Architects the backend transaction layer for an AI-driven secondhand fashion marketplace, building scalable systems with Node.js and TypeScript to integrate AI models and support sustainable fashion.
Develops high-throughput, low-latency backend services in C++ and Rust for trading engines at a leading London trading firm.
Build and optimize C#/.NET backend services for an AI-powered cybersecurity platform, improving APIs and database performance in a multi-tenant AWS environment.
Build scalable Python back-end services (FastAPI/Flask/Django) that integrate AI-generated code into production, collaborating with AI and product teams to ship robust APIs.
Mid-level backend engineer builds APIs and collaborates with teams using Go, Python, or Scala for a UK adtech-focused recruitment firm on a 6-month contract.
Builds and maintains core banking systems using Java 17+ and RESTful APIs in an Agile environment for a UK-based bank.
Senior Backend Engineer builds multilingual climate-data features and integrates GenAI into a climate-tech platform under a 4-day workweek.
Architect and build backend systems to manage billions of data points and scale infrastructure for machine-learning workflows using PostgreSQL and ClickHouse.
Builds cloud-based distributed systems for video security, managing cameras, access control, and sensors with a focus on scalability and security.
Senior Software Engineer building and scaling backend systems and data pipelines for a vulnerability intelligence platform.
Senior Backend Engineer builds core AI capabilities for GitLab Duo Chat, integrating large language models and orchestrating multi-agent flows across the GitLab platform.
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