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Senior Backend Engineer on Proton's Foundation team, designing and building shared libraries, framework layers, and internal services in PHP and Rust that underpin all Proton products (Mail, VPN, Drive, Pass, Calendar).
Fast growth tech company, applying AI to the telecoms industry, is looking to hire a Senior Backend Engineer to join their growing team. The role will involve working closely with ML and AI engineers on integrating…
Senior Python Engineer building FastAPI backend services, managing AWS infrastructure, and improving CI/CD pipelines and observability for Certara IQ, a quantitative systems pharmacology platform.
Senior backend engineer designing and building shared libraries and internal services across Proton products, owning architecture in a large monorepo and working with PHP and Rust.
Design and implement cloud-native microservices using .NET Core, C#, and AWS alongside Terraform, Kubernetes, and CI/CD pipelines on a 6-month hybrid contract in London.
This role involves developing and maintaining large-scale distributed backend components for a cloud security platform. The engineer will work with a tech stack including Golang, GraphQL, PostgreSQL, and Kubernetes to secure cloud and AI applications.
Lead a backend engineering team developing an Asset Sales platform, owning design through production in a DevOps culture, scaling software across African, European, and UK markets.
On-site .NET Backend Engineer building enterprise-grade applications, focusing on backend services with C#, RESTful APIs, SQL, and cloud integrations within an Agile team.
The Senior Backend Engineer will design and build scalable backend services and APIs using Java/Spring Boot and .NET. The role involves mentoring team members, contributing to architectural decisions, and working within an agile Scrum environment.
Senior Backend Engineer building offchain infrastructure for the Omni Account blockchain wallet, designing scalable concurrency-heavy backend services that coordinate with Solidity smart contracts.
Backend engineer building production-grade Java software for a Series A startup, working closely with founders in an office-first UK environment.
Depop is seeking a Backend Software Engineer to join their cross-functional Payments team, collaborating with mobile, web, and data science teams to build scalable solutions for their fashion marketplace. The role involves writing high-quality code using languages like TypeScript, Scala, Java, or Kotlin, and working with relational and NoSQL databases.
Depop is looking for a Backend Engineer to build and scale payment services for over 1 million daily users. The role involves working with TypeScript, Scala, Java, or Kotlin and managing data models using PostgreSQL and NoSQL.
Octopus Energy is seeking mid-level Backend Engineers to build and scale software for smart home energy devices and low-carbon technology integrations. You will work primarily with Python and Django in a fast-paced, continuous-deployment environment to support the company's global renewable energy transition.
Builds and deploys scalable cloud features in TypeScript on Node, using AWS and Pulumi, while focusing on clean APIs and user-friendly interfaces for digital signage.
The Senior Java Developer will design and build high-quality applications for public sector and defence clients using Java/JEE, Spring, and modern web technologies. The role involves applying enterprise engineering practices like TDD and CI/CD to deliver secure, reliable solutions.
This role involves full-stack development using Java, J2EE, and modern front-end frameworks to build and modernize cloud-based applications. The developer will participate in the full software development lifecycle, including API design, system integration, and testing.
The Senior Java Developer will work on hybrid cloud and AI solutions for public and private sector clients within IBM Consulting. The role involves collaborating with professional teams to deliver scalable and secure applications.
Design and build secure Java/JEE applications for UK Public Sector and Defence clients using modern web tech and CI/CD pipelines.
This role involves developing scalable full-stack applications using Java/J2EE and front-end technologies like React or Struts. The developer will build RESTful APIs and work within a hybrid environment on cloud-based platforms.
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