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Senior Backend Engineer on bsport's Financial Services team in Barcelona, designing microservices and event-driven systems for a €500k/day payments and billing stack. Works mainly with Python/Django, PostgreSQL, Kafka/RabbitMQ, and AWS in a hybrid model (3 days/week in office).
King (under Xbox Media Solutions, formerly Activision Blizzard Media) is hiring a senior Python backend engineer in Barcelona to design, build, and operate data-driven services and APIs at scale, focusing on forecasting and analytics workloads. Core tech includes Python, distributed systems, cloud-native pipelines, and Microsoft ecosystems.
Big Talent is seeking intermediate and senior full-stack Python engineers to support the development of a web-based B2 B SME financing platform using Flask and Fast API. The role is fully remote with potential…
Senior Python developer for a backend platform team, building and owning high-performance distributed services and batch pipelines end to end, from design through production deployment. Stack centers on Python, relational databases (SQL Server/Oracle/PostgreSQL), CI/CD, and messaging middleware, in a financial-sector (trading/risk) international project, remote/hybrid from Gijón.
Senior backend developer at Knightec Group's Sundsvall office, designing and building scalable backend, cloud, and distributed systems for client projects spanning IoT, MedTech, and industrial data platforms. Core stack: Java/C#/Kotlin, AWS/Azure, Docker/Kubernetes, APIs, and modern CI/CD and Infrastructure-as-Code tooling.
Paxus is seeking three senior backend developers to build scalable, secure digital platforms supporting Australia's disability community. The role focuses on backend/API development within dynamic, multidisciplinary teams on high-impact projects, based in Queensland, Australia.
We are looking for a motivated and hands-on Senior Software Engineer to join the CRONUS Platform Team and strengthen the Identity module for Portfolio Brands. The role will focus on building secure, reliable and…
Senior Backend Developer builds and maintains Onfy’s Kotlin-based pharmacy marketplace backend, designing scalable systems with PostgreSQL, AWS, and Kubernetes to support fast, reliable health-product ordering.
Senior PHP Backend Engineer focusing on blockchain infrastructure and payment systems using PHP (Laravel), MySQL/PostgreSQL, and Kafka. The role involves designing scalable backend systems, implementing DDD practices, and handling complex financial logic in a remote-friendly environment.
Senior Backend Engineer at IntelliSense.io, a remote-first (UK-based) industrial AI company building an 'Objective AI' platform that combines physics with AI to optimise real-world operations. You design scalable data-processing services in Java and Node.js, work with SQL/NoSQL stores, message queues, Kubernetes and Docker, and mentor junior engineers.
EquiMatch is an AI-powered M&A origination platform connecting private equity firms, search funds, corporate development teams, and M&A advisors with acquisition targets. Behind the product is a data-heavy…
bunch is building the backbone of private markets. We are enabling next-gen fund operations with one integrated system that combines secure data infrastructure, AI-powered workflows and expert fund services. If you…
Senior backend engineer at Safran.AI in Paris, working on a 7-person team to maintain and scale backend services and automated data pipelines for AI products that analyze satellite imagery, video, and acoustic signals for defense and industry. Core stack: Python/FastAPI, Airflow, PostgreSQL, plus JavaScript/React web apps.
Telnyx is hiring a Senior Backend Engineer for its WebRTC squad to build, operate, and scale the backend services behind its Voice SDK and real-time communications platform (auth/tokens, push notifications, proxying, RTC DNS, diagnostic logging). Core stack: Elixir/Erlang, distributed systems, Kubernetes, and strong observability.
HeadHR is hiring a senior Python backend engineer in Poland to design, develop, test, and maintain web applications, microservices, and data-processing systems, collaborating with DevOps teams and analysts. Core stack: 4+ years of Python, cloud technologies, microservices, Linux, and Git; Gerrit, Jenkins, Jira, and Confluence are a plus.
Netatmo (smart-home/IoT brand of the Legrand group) seeks a Senior Backend Software Engineer in Boulogne-Billancourt to design, build, and operate secure, scalable cloud services for its IoT products. The stack is PHP/Node.js on Microsoft Azure (Container Apps) with Kafka and MongoDB, in a DevSecOps culture with growing AI usage and 2 days of remote work per week.
Senior Java Back-End Developer focused on modernizing financial systems for payments, recovery, and compliance. You will design secure REST APIs and integrate third-party banking services using Java 11-21, Spring Boot, and various SQL databases in an Agile environment.
Zelis Healthcare is hiring a Senior Backend Engineer in Salt Lake City to design, build, and operate cloud-native backend services, deploy and monitor them in production, and mentor teammates through code reviews and architecture discussions while partnering with product managers and designers.
A senior engineer role on Instacart's Caper AI team (posted via Triwill Group) building AI systems for connected store tech — loss prevention, verification, and catalog management. Day to day involves backend architecture, distributed systems, data pipelines, APIs, and testing portals serving millions of customers.
Backend engineer (hired via Npaworldwide for Evolent) building healthcare-focused backend software on an Agile team: designing scalable Python services, working with Azure, and implementing data pipelines for analytics, plus architecture discussions, testing, and collaboration with product owners.
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