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Senior Software Engineer, Backend - Overseer (Platform)
Senior backend engineer on Coinbase's Overseer team building and operating a real-time integrity layer that enforces financial correctness across all Coinbase fund flows. Work spans invariant detection systems, correctness models with payments/trading teams, and AI-powered guardrails, using Go/Ruby/Python, Kafka/Flink/Spark, and Postgres/DynamoDB.
Senior Software Engineer, Backend - Payments Platform
Senior backend engineer on Coinbase's Payments team, designing and building scalable, fault-tolerant Go services that power fiat on/off-ramps — turning the payments stack into an internal Stripe-like API platform for high-volume, reliable payment processing.
Senior Backend Engineer, Trust & Safety
Senior backend engineer on Vinted's Zen team (Trust domain) building the backend systems that detect and keep counterfeit items off the marketplace, working with Go, Ruby and Python alongside ML models and LLM-based AI capabilities. Hybrid role based in Kaunas with 2 recommended office days per week.
Desenvolvedor Back End Sênior
Senior backend developer at Evertec/Sinqia building software for the financial sector, working day to day with Java/Quarkus on monolithic and microservices architectures, deployed via Docker, Kubernetes and OpenShift, with CI/CD, RESTful APIs and Scrum.
Senior Backend Developer (m/f/x)
Senior backend developer at Tipico, a sports betting and casino operator, designing high-performance Java-based services that handle money transactions in a complex system landscape. Work spans concept, design, cloud deployment (AWS/Azure), production ownership, and mentoring junior engineers.
Senior Software Engineer, Backend (Consumer - Growth Foundations)
Build and scale backend infrastructure for growth initiatives at Coinbase, including notifications, incentives, and user segmentation, using modern cloud technologies and distributed systems.
Senior Backend Engineer
Senior Backend Engineer at Naphora Games Group designs, builds, and operates scalable backend systems, APIs, databases, and integrations for games, including AI/LLM-powered workflows. Fully remote from any location, working Sunday–Thursday on a Saudi Arabia (KSA) schedule; strong backend language, SQL, caching, and queue experience required.
Senior Software Engineer, Backend (Consumer - Risk)
Senior backend engineer on Coinbase's Risk team, building and optimizing real-time fraud detection and risk management systems that protect millions of crypto users. Day to day involves leading end-to-end architecture and delivery of risk platform features using backend languages like Go, Ruby, Python, or Java, distributed systems, and AI-native tooling.
Senior Backend Node.js Developer
Remote senior backend developer role working with Node.js, based in Moscow. The posting provides almost no detail — only the salary of 3000–4500 USD net per month — with no stated duties, stack beyond Node.js, or requirements.
Senior Backend Developer (m/w/d)
Senior backend developer shaping the architecture and development of backend services at a sports-tech company in Jena: modular services, databases, Google Cloud, APIs, containers and GitLab CI/CD, with a focus on voice transmission/processing and language models. Requires 7+ years of experience and C1/C2 German and English; on-site in Jena with home-office option.
Senior Backend Developer (Java or Kotlin)
Senior backend developer at DKB Code Factory, working hybrid in Valencia to deliver core backend services end-to-end in the Java/Spring Boot ecosystem while adopting Kotlin, mentoring peers, and driving improvements in code quality, testing, and CI/CD.
Pessoa Desenvolvedora Backend Senior Kotlin/Java | Core Business Eng
Senior backend developer on C6 Bank's Átomos & Marketplace team, building and evolving the loyalty program (point generation, accumulation, redemption, expiration) integrated with financial products. Day-to-day involves product deployment across environments, architectural ownership, and code quality using Kotlin/Java, Spring Boot microservices, AWS, Kafka, and PostgreSQL/MongoDB/Cassandra.
Pessoa Desenvolvedora Backend Sênior Kotlin/Java | Yellow
Builds and scales the Yellow digital banking product for kids and teens using Kotlin/Java, Spring Boot, and microservices, ensuring secure, high-performance deployments and robust automated testing.
Pessoa Desenvolvedora Back-end Java e Kotlin Sênior | Investments Engineering
Builds and maintains C6 Bank’s investment products using Java/Kotlin, Spring Boot, and cloud services while collaborating on feature design and tech direction.
Pessoa Desenvolvedora Backend Sênior Java/Kotlin | Corporate Banking Engineering
Builds and deploys core banking microservices in Java/Kotlin with Spring Boot, ensuring high-quality code and automated test coverage for C6 Bank’s digital products.