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NQX Philippines is seeking an experienced backend engineer to develop and maintain scalable Java/Spring services. You will design RESTful APIs, implement event-driven workflows with Kafka, and deploy in OpenShift. The…
Senior backend engineer at a commodity trading platform (Sparta Commodities), designing, building, and operating backend services for real-time and analytical data in a hybrid London role. Focus on distributed systems at scale, low-latency solutions, and owning features end-to-end with product stakeholders.
Senior Backend Engineer at Trading-21, a fast-growing European mobile broker (fintech) serving 6M+ clients. You own backend services end to end — design, build, test, deploy and run in production — using a stack of Java/Spring, Go or Node.js with PostgreSQL, Kafka, Redis, Kubernetes and AWS in London.
Senior backend engineer at Sparta, a commodity trading data platform, building and owning backend services for real-time and analytical data processing at scale. Day-to-day involves designing low-latency, high-throughput distributed systems using Kotlin, Java, Python, TypeScript on AWS/GCP with Kafka, Flink, Redis and Postgres, in a hybrid London/Barcelona/Madrid setup.
Senior Backend Engineer at Plum (a personal-finance/wealth app) designs and ships modular, scalable backend services across the full product lifecycle. Core stack: Kotlin with Spring Boot and Python with FastAPI on GCP/Kubernetes, plus Postgres, BigQuery, RabbitMQ and Terraform.
Senior backend developer (Java/C++) on a UK engineering team in Cheltenham, delivering complex back-end software on Linux — building RESTful services and CI/CD pipelines with a focus on performance and security — while shaping technical strategy and mentoring engineers.
A backend engineer who designs, develops, and maintains scalable, high-performance Java services and APIs using Quarkus and Spring Boot, while ensuring code quality, optimizing performance, and supporting production incident resolution in a distributed, international team.
Applications: candidates may apply from outside Japan. Visa sponsorship: available. Japanese: Not required. English: Business level. Japan Dev tags: Engineering, Backend, Security, Python, C++, React, Typescript,…
Roles & Responsibilities This role is a blend of high-stakes problem-solving and strategic feature development. You will be the primary point of contact for diagnosing complex production issues while simultaneously…
Senior Backend Engineer on Mercado Libre's Search Ads Core team, designing and scaling secure, high-impact distributed ad-search systems. Day to day: writing high-quality Kotlin/JVM code, evolving robust APIs and microservices, code reviews, automated testing, CI/CD, and data-driven monitoring of retrieval and ranking models.
A senior backend developer (8–10 years) designs and builds scalable enterprise applications in Core Java with Spring Boot, microservices, and REST APIs, adding security (Spring Security, OAuth2, JWT), caching (Redis), SQL/NoSQL data layers, automated tests, and CI/CD pipelines in an Agile team.
Design, develop, and maintain Java Spring Boot backend applications and RESTful APIs, collaborating with frontend, QA, and product teams to deliver scalable services using relational databases and modern DevOps practices.
Senior Software Engineer builds and maintains Python‑based backend services and data pipelines, designs data storage and processing solutions, and leads cross‑functional projects with data scientists and product teams, using SQL, cloud data warehouses, AWS/GCP/Azure, Terraform, Spark, Airflow, and microservices.
Senior backend developer responsible for maintaining and evolving the client‑facing platform, supporting complex internal solutions, contributing to architecture decisions and technology watch, using Python (FastAPI, SQLAlchemy) and related stack (Typescript, Vue.js, MySQL, Redis, MongoDB).
Senior 1C programmer responsible for internal automation projects, working on the 1C platform in Moscow.
Senior .NET Backend Developer (full remote in Italy) who builds and modernizes C#/.NET backend applications: migrating from .NET Framework 4.8 to .NET 8, refactoring SQL Server databases, moving stored-procedure logic into application code, and working with Docker, Kubernetes, CI/CD and microservices while collaborating with an Angular/TypeScript frontend team on API design.
Werben HR is hiring a Senior Backend Developer with strong Java and hands-on Kotlin experience to design, build, and maintain scalable backend services and RESTful APIs in a microservices architecture. The role is hybrid in Buenos Aires, with 1-2 on-site days per week, and involves integrating services with databases and ensuring code quality.
Senior backend developer role in Buenos Aires focused on designing and building applications with Java 8+, SpringBoot and microservices in an agile environment. Hybrid setup: work from the office once every 15 days.
Nonconformist, a digital product agency, is hiring a Senior Backend Developer to design and maintain .NET 8+ microservices and REST APIs for a banking client in Buenos Aires (hybrid, 1–2 days/week onsite in Chacarita). The role embeds AI tools like Copilot and Cursor across the dev lifecycle, working with SQL Server, MongoDB, Docker, and CI/CD pipelines.
Senior backend engineer building Python/FastAPI services, domain APIs, and orchestration layers that connect Microsoft Dynamics 365/Dataverse with enterprise platforms behind a Sales Command Center. Core stack is Azure: API Management, Service Bus/Event Grid, Functions/App Service, Key Vault, Redis caching, OAuth/JWT auth, and CI/CD.
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