Full Stack Software Engineer

Jobgether; France; Remote; EUR 107,000 - 160,000; Full time

Benefits offered by this job

Competitive USD salary

15 vacation days

US holidays

Fully remote

Modern technologies

Job summary

Jobgether is seeking a remote Full Stack Software Engineer in a regulated fintech environment. You will build and maintain backend services and frontend apps using Golang, Java, React, Next.js, and TypeScript.

You’ll own features from design to production, with a focus on secure, scalable transaction processing and third-party integrations. The role embraces a fully remote setup, working with modern tech across AWS, microservices, and cloud-based infrastructure.

Qualifications

• At least 3 years of professional software engineering experience across frontend and backend.
• Strong backend development with Golang and/or Java.
• Proficiency in Node.js and TypeScript, especially TypeScript v5.
• Experience building modern frontend apps with React and Next.js.
• RESTful API design and PostgreSQL proficiency.
• Experience with AWS and microservices.
• Familiarity with OAuth 2.0 flows and security practices.

Responsibilities

• Design, develop, test, and maintain full-stack features across web apps and backend services.
• Build backend APIs for onboarding, authentication, transactions, and workflows.
• Enhance frontend experiences for customer-facing platforms and internal apps using React/Next.js/TypeScript.
• Develop backend services in Golang and/or Java within a scalable microservices architecture.
• Integrate applications with third-party services and providers.
• Implement secure authentication/authorization (OAuth 2.0).
• Work with PostgreSQL and cloud infrastructure (AWS).
• Contribute to code reviews, technical design discussions, and documentation.

Skills

Golang

Java

TypeScript

React

Next.js

REST APIs

PostgreSQL

AWS

Microservices

CI/CD

Git

Kubernetes

Security best practices

Education

Bachelor's degree in Computer Science

Tools

Kubernetes

Helm

Terraform

Docker

Job description

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Full Stack Software Engineer based in France.

Join a high-growth fintech and cryptocurrency environment where your engineering expertise will help power secure, scalable, and high-volume financial transactions. As a Full Stack Software Engineer, you will build and maintain backend services and frontend applications that support customer-facing products and internal operational workflows. You will work across modern technologies, including Golang, Java, React, Next.js, and TypeScript, taking ownership of features from technical design through production deployment. Your work will contribute to reliable transaction processing, secure authentication, and seamless integrations with third-party services. Collaborating with engineers and other stakeholders, you will help shape architectural decisions and maintain high standards for performance, security, and observability. This fully remote opportunity is suited to an engineer who enjoys solving complex technical challenges and building impactful products in a regulated financial technology environment.

Accountabilities

• Design, develop, test, and maintain full-stack features across web applications and backend services.
• Build and maintain backend APIs supporting customer onboarding, authentication, transaction lifecycles, and operational workflows.
• Develop and enhance frontend experiences for customer-facing platforms and internal web applications using React, Next.js, and TypeScript.
• Build backend services using Golang and/or Java within a scalable microservices architecture.
• Integrate applications with third-party services, external providers, and supporting systems.
• Implement secure authentication and authorization mechanisms using OAuth 2.0 flows.
• Work with relational databases, including PostgreSQL, to support reliable data storage and retrieval.
• Contribute to cloud-based infrastructure and containerized applications within AWS environments.
• Help maintain application security, performance, reliability, monitoring, and observability.
• Participate in code reviews, technical design discussions, and architecture decisions to improve software quality and maintainability.
• Write and maintain clear technical documentation covering application behavior, system architecture, and implementation decisions.
• Collaborate with engineering colleagues and relevant stakeholders to troubleshoot issues and deliver features from conception to production.

Requirements

The ideal candidate is a versatile software engineer with experience across frontend and backend development, strong programming fundamentals, and the ability to build reliable applications in a distributed environment. You should be comfortable taking ownership of technical work, collaborating with other engineers, and applying secure development practices.

• At least 3 years of professional software engineering experience across frontend and backend systems.
• Strong backend development experience with Golang and/or Java.
• Proficiency in Node.js and TypeScript, particularly TypeScript version 5.
• Experience building modern frontend applications with React and Next.js.
• Solid understanding of RESTful API design and implementation.
• Strong SQL skills and practical experience with PostgreSQL.
• Experience working with AWS cloud services, including S3.
• Familiarity with microservices architecture and distributed backend systems.
• Understanding of containerized applications and infrastructure tools such as Kubernetes, Helm, and Terraform.
• Experience implementing authentication and authorization using OAuth 2.0 flows.
• Familiarity with application monitoring and observability tools such as Grafana or similar platforms.
• Experience using Git-based version control workflows and CI/CD pipelines.
• Ability to debug applications using development environments such as VS Code or Cursor.
• Strong problem-solving skills, attention to detail, and an understanding of secure, maintainable software design.
• Ability to communicate technical concepts clearly, participate in code reviews, and contribute to architectural discussions.
• Comfortable working independently in a remote environment while collaborating effectively with a distributed team.

Preferred Qualifications

• Understanding of multithreading concepts and Go concurrency patterns, including goroutines.
• Experience with webhooks and/or WebSockets.
• Background in software architecture and system design.
• Familiarity with AI-assisted development tools.
• Experience in fintech, cryptocurrency, payments, or other regulated industries.
• Experience developing internal dashboards and operational tools.
• Additional knowledge of authentication, authorization, and secure system design.

Benefits

• Competitive salary paid in USD, based on experience.
• 15 paid vacation days per year.
• Paid U.S. national holidays.
• Fully remote work arrangement, with the original listing specifying eligibility to work from anywhere in Latin America or Europe.
• Opportunity to build products supporting high-volume financial transactions within the fintech and cryptocurrency industry.
• Collaborative, high-trust working environment that values engineering ownership and technical judgment.
• Opportunity to work with modern technologies across backend development, frontend applications, cloud infrastructure, and security.