Full Stack - Senior Developer (Remote), 100% En Remoto

Óscala; Valencia; Remote; EUR 60,000 - 70,000; Full time

Benefits offered by this job

Remote work

Competitive salary 60–70K EUR

Job summary

Óscala is expanding its remote-capable Full Stack Senior Developer team to support a growing client base across Europe. You will enhance and maintain the Reseller platform, drive backend tasks in a multidisciplinary squad, and collaborate with Product and Customer Success teams to deliver scalable features with high quality.

We value strong CS fundamentals, distributed systems experience, and hands-on work with Golang, modern JS frameworks, and AWS.

Qualifications

• 10+ years of experience as a Full Stack Backend Developer or equivalent.
• Strong CS foundations, distributed systems.
• Experience designing scalable REST APIs.
• Proficiency with Golang and modern JS frameworks (Svelte, Vue.js, React).
• Experience with AWS and Agile environments.
• Familiar with API security standards (JWT, OAuth2).
• Willingness to mentor juniors and collaborate team-wide.

Responsibilities

• Design, write, and test code following squad standards.
• Build robust REST APIs for Desktop/Mobile clients.
• Manage distributed systems in a cloud setup.
• Automate repeatable tasks with scripts.
• Write automated and regression tests to ensure quality.
• Document internal and external release notes and guides.
• Support and mentor junior developers.

Skills

Golang

Distributed systems

REST APIs

AWS

JavaScript framework

Agile

Security standards

CI/CD

English fluency

Frontend frameworks

Education

Bachelor's degree

Tools

IaC

CI/CD pipelines

Job description

Full Stack - Senior Developer (remote)

Óscala works for a growing list of reputable clients in The Netherlands and surrounding countries. We offer our clients additional (remote) capacity so they can continue to build their state-of-the-art software solutions, web applications, mobile apps and alike. For one of our clients we are currently looking for a: Full Stack - Senior Developer (remote) Our client Their key mission is to empower businesses to bring seamless, affordable connectivity to their customers, wherever they go. They take a disruptive approach to the traditional wholesale business model, combining best-in-class technology with Tier1 Mobile Network Operators. With their support, businesses all over the world are unleashing the power of connectivity and the growth theyre enjoying is a testament to their hard work and highly skilled team. They leverage technology in everything they do, but its their people who really make the magic happen.

About the Role

As a Full Stack Developer, youll be responsible for improving and maintaining our Reseller platform. Youll be involved in the product lifecycle from ideation to deployment to maintenance, making sure we build a robust and scalable solution. Youll work closely with the Product and Customer Success teams to build features that provide direct value to our partners, while ensuring they are scalable and meet our quality standards. You will be the driving force behind backend tasks in a multidisciplinary team.

Key Responsibilities

• Design, write and test code following the standards defined in the squad.
• Design robust and scalable APIs to support any kind of client (Desktop, Mobile, etc).
• Manage and optimise distributed systems in a cloud environment.
• Identify repeatable tasks and write scripts to automate them.
• Write and maintain automated and regression testing scripts to ensure we deploy bug free code.
• Write documentation both internal and external (customer-facing, release notes, etc).
• Support other business areas where backend knowledge is required.
• Support and mentor Junior developers.

Required Skills

• Experience 10+ years of experience working as a Full Stack Backend Developer.
• Strong computer science foundations, mostly working in distributed systems.
• Extensive experience writing scalable APIs using REST architecture.
• Experience writing code in the Golang programming language.
• Experience in a modern JavaScript web framework, e.g. Svelte, Vue.js or React.
• Experience working in an AWS cloud environment.
• Experience working in Agile environments.
• Familiar with API and WebApp security standards and authentication methods (API key, JWT, OAuth 2.0, etc).

Preferred Skills

• Bachelors degree in Computer Science, Mathematics or equivalent.
• Experience in other programming languages such as Java, .NET or JavaScript.
• Experience writing IaC scripts and managing CI/CD pipelines.
• Familiarity with frontend technologies such as Svelte, Vue.js or React.js.
• Experience with Event-Driven architecture.

Who You Are

An excellent troubleshooter with a methodical approach to problem-solving. A strong communicator, comfortable working with stakeholders and customers. Comfortable working in a multicultural, multidisciplinary environment. Fluent in both written and spoken English. Collaborative and supportive, happy to mentor more junior team member.

Benefits and perks

• Competitive salary (60-70K)
• Remote work
• Fast-growing international company
• Work with top talent across the globe
• Direct influence on product features and user experience
• Ownership, autonomy, and professional growth
• A great, supportive team to work with
• The possibility to develop an innovative product in a new market within an international context
• Private health insurance
• Golang, Svelt, Vue, React, Go