Senior Full-Stack/Backend Engineer (Python & JavaScript) – Remote Contract

INFUSE

Portugal

Teletrabalho

EUR 59 675 - 76 725

Tempo integral

14 dias+

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Vantagens oferecidas por esta oferta de emprego

Opportunity to work on innovative projects

Professional development

Competitive compensation in USD

Friendly, fast-growing team

Reduced Fridays during summer

Resumo da oferta

A dynamic tech startup in Portugal is seeking a Senior Full-Stack / Backend Engineer to develop scalable backend APIs and assist with frontend components. The role involves working on innovative projects and requires proficiency in Python and JavaScript, along with experience in API design and database management. The ideal candidate should be self-motivated and able to thrive in a fast-paced environment, with language skills in Ukrainian/Russian and fluent English.

Qualificações

Proven expertise in backend development and API design.
Solid knowledge of frontend technologies and frameworks.
Experience with data analysis and pipeline construction is a plus.
Tech stack includes Python and JavaScript, hosted on AWS.
Language: Ukrainian/Russian required, fluent English (upper-intermediate or higher).

Responsabilidades

Develop scalable and maintainable backend APIs.
Integrate third-party APIs for seamless data flow.
Build frontend components with modern frameworks.
Drive the full product lifecycle from MVP to production release.
Collaborate with cross-functional teams for technical solutions.

Conhecimentos

Backend development

API design

Database management

Frontend technologies

Data analysis

AI-assisted coding

Problem-solving

Ferramentas

Python

JavaScript (Node.js)

AWS

Descrição da oferta de emprego

Overview

INFUSE is looking for a startup-savvy Senior Full-Stack / Backend Engineer with a strong MVP mindset and proven experience building scalable, maintainable systems with extensive integration work. This is a project-based contract focused on delivering an internal product primarily backend-driven (80%) with some frontend responsibilities (20%). Our internal product will feature well-designed, robust APIs enabling seamless integration with other systems, built for scalability and ease of maintenance by future teams.

We are looking for candidates who can work well in a dynamic, fast-growing environment and contribute to end-to-end product development.

Key responsibilities

Develop backend APIs and databases that are scalable and maintainable.
Integrate and manage third-party APIs for seamless data flow.
Build frontend components delivering responsive UIs with modern frameworks.
Analyze data and build efficient data pipelines (preferred but not mandatory).
Drive the full product lifecycle from MVP through scalable production release.
Collaborate closely with cross-functional teams to translate business needs into technical solutions.

Qualifications

Proven expertise in backend development, API design, and database management.
Solid knowledge and hands-on experience with frontend technologies and frameworks (mid-level or higher).
Experience with data analysis and pipeline construction is a plus.
Skilled in modern development tools and AI-assisted coding (e.g., Cursor, Copilot).
Prior experience in data/web scraping, MarTech, or SalesTech is highly desirable.
Strong architectural mindset focused on scalability, maintainability, and clean integration points.
Tech stack includes Python and JavaScript (Node.js and frontend frameworks), with everything hosted primarily on AWS.
Language: Ukrainian/Russian required, fluent English (upper-intermediate or higher).

Personal attributes