Proxify

API Authentication AWS Azure CI/CD +24 skills

Poland

Long-term, full-time remote senior backend role placed via Proxify's developer network, building scalable web apps, APIs, and microservices. Core stack is Node.js with Nest.js, REST/GraphQL, SQL/NoSQL databases (PostgreSQL, MySQL, MongoDB), and testing with Jest/Mocha.

Senior AI Engineer (Backend-Focused)

Agentic AI AI API CI/CD CrewAI +19 skills

Senior backend-focused AI engineer for a Proxify client team: builds autonomous Claude-based coding agents — multi-agent/ReAct workflows, tool-use APIs, guardrails — plus the backend infrastructure (Python, C#, or Node.js) and some React/Vue frontend. Fully remote, candidates must be in CET (+/- 3 hours).

Senior Data Scientist (Python)

A/B Testing AI Airflow API AWS +35 skills

Proxify, a remote developer talent network, is hiring a Senior Data Scientist to join a client team as a technical lead in data innovation — building, training, evaluating, and deploying production ML models and scalable Python data pipelines in the cloud. Requires 5+ years in data science, Docker/microservices, SQL/PySpark, ML tooling, and a CET (+/- 3h) time zone.

Senior Microsoft Dynamics 365 Developer

AI API Azure Azure DevOps Azure Functions +16 skills

Remote senior Microsoft Dynamics 365 developer role placed by Proxify for an enterprise client: acting as technical architect/lead building D365 customizations (X++, C#/.NET), Power Platform/Dataverse solutions, Azure integrations, and ALM pipelines in Azure DevOps. Fully remote, must sit in the CET ±3h window.

Senior Salesforce Developer

Agile Apex API Asana Automation +16 skills

Remote senior Salesforce developer position via Proxify's talent network: you design and build custom Salesforce solutions (Apex, LWC, SOQL), integrations via REST/SOAP, and automation for one of their client teams. Requires 4+ years of Salesforce experience and living in the CET ±3 timezone.

Senior Backend Rust Developer

New 7 days ago42 viewsFull-timeSenior

Actix API AWS Azure Backbone.js +18 skills

Poland

Talent has no borders. Proxify's mission is to connect top developers around the world with the opportunities they deserve. So, it doesn't matter where you are; we are here to help you fast-track your independent…

Senior Go Backend Engineer - Remote, Microservices & Frontend

2 weeks ago303 viewsSenior

API Cloud Containerization Data Ingestion DevOps +15 skills

Proxify is seeking a Senior Golang Developer (Fullstack, Backend-Heavy) to join client teams as a core software architect. You design and scale high-performance microservices in Go, while also delivering clean user…

Senior Python AI Engineer (Remote) - Scalable AI Backends

2 weeks ago242 viewsSenior

AI API AWS AWS Bedrock Cloud +5 skills

Proxify is seeking a Senior Python AI Engineer to design and build backend systems and APIs for AI-powered applications. You will work on scalable services, chatbots, and copilots, leveraging DL frameworks and LLMs to…

Senior Python AI Engineer

2 weeks ago235 viewsSenior

AI API AWS AWS Bedrock Cloud +5 skills

Senior Backend Developer (Node.js / Nest.js)

Open 20d 3 weeks ago200 viewsFull-timeSenior

Remote Anywhere in the World

Headquarters: Sweden URL: The Role: We are looking for a Senior Backend (Node.js / Nest.js) Developer to join our fast-growing network. You’ll be responsible for building modern and scalable web applications, working…

API Authentication AWS Azure CI/CD +26 skills

Senior Python Data Scientist — Remote ML & Production Lead

last month81 viewsLead

AI API AWS Azure Cloud +17 skills

Proxify is hiring a Senior Data Scientist (Python) to lead data innovation for a high-growth client team. You will transform complex datasets into predictive models and deploy them into live cloud environments,…

Forward Deployed AI Engineer

Open 25d last month34 views

Sweden

Stockholm, Stockholm

About Proxify Founded in 2018 and headquartered in Stockholm, Proxify helps 2,500+ companies worldwide scale their technical teams. The Financial Times ranked us as Sweden's 3rd fastest-growing company in 2025. Our…

Agentic AI AI API AutoGen AWS +16 skills

Senior Data Engineer (Azure)

Open 47d 2 months ago32 viewsFull-timeSenior

Analytics API Azure Azure Data Factory Azure DevOps +20 skills

Poland

Senior Data Engineer building end-to-end data pipelines, ETL workflows, and dimensional data warehouse models on Microsoft Azure (Data Factory, SQL, Synapse), with Power BI reporting support. Sourced via Proxify's remote talent network; candidates must be based in the CET timezone (+/- 3 hours).

Senior Backend Developer (Node.js / Nest.js)

Open 47d 2 months ago61 viewsFull-timeSenior

API Authentication AWS Azure CI/CD +24 skills

Türkiye

Turkey

Senior Backend Developer building modern, scalable web applications with Node.js and Nest.js. Day to day: designing REST/GraphQL APIs, integrating SQL/NoSQL databases and external services, and optimizing performance, security, and code quality in a long-term, full-time remote role via Proxify's developer network.

Senior Frontend Developer (Vue.js)

Open 47d 2 months ago75 viewsFull-timeSenior

Accessibility API CI/CD CSS Cypress +14 skills

Türkiye

Turkey

Proxify is placing a senior frontend contractor into a client team as a frontend architect: building performant, accessible, scalable web apps with Vue 3, TypeScript, Pinia and Vite, owning the component library, performance optimization and code reviews. Requires 5+ years of frontend experience and a CET ±3h timezone.

Senior QA Automation Engineer

Open 47d 2 months ago54 viewsFull-timeSenior 3K – 7K € / mo

Remote Worldwide

About us: Talent has no borders. Proxify's mission is to connect top developers around the world with the opportunities they deserve. So, it doesn't matter where you are; we are here to help you fast-track your…

API Appium Automation AWS CI/CD +21 skills

Senior Data Engineer (Azure)

Open 91d 3 months ago16 viewsFull-timeSenior

Analytics API Azure Azure Data Factory Azure DevOps +20 skills

Mexico

Ciudad de México

Build and optimize Azure-based data pipelines and warehouses, using SQL, Azure Synapse, and Power BI to deliver clean, governed data for reporting and analytics.

Senior Python Developer (Fullstack, BE-Heavy)

Likely evergreen 3 months ago48 viewsFull-timeSenior

API Api Design Asyncio AWS Azure +29 skills

Senior Java Backend Developer

Open 90d 3 months ago48 viewsContractSenior