Senior Full-Stack Developer at JAy! D Hub

Lisbon, , Portugal -

Full Time

Start Date

Immediate

Expiry Date

12 May, 26

Salary

0.0

Posted On

11 Feb, 26

Experience

5 year(s) or above

Remote Job

Yes

Telecommute

Yes

Sponsor Visa

Skills

Backend Development, NET Core, C#, Entity Framework Core, SQL Server, Data Access Patterns, Frontend Development, React, JavaScript, Typescript, HTML, CSS, Software Engineering Principles, RESTful API Design, AWS, Git, CI/CD

Industry

IT Services and IT Consulting

Description

This is Us Ingenious Lion is a Digital Tech Hub designed exclusively for Publicis Groupe, one of the world’s leading marketing agencies. As the marketing industry continues to drive digital transformation, Publicis Groupe empowers its clients with innovative data solutions and media ecosystems. Ingenious Lion has one mission: to partner with Publicis’ global teams in creating innovative data and digital tech products that will shape the future and delight Publicis Groupe clients. What makes us successful? Two key ingredients: we seek the good and the best, meaning we cultivate a thriving company culture. We’re all about creating an environment where people don’t just work; they grow, challenge themselves, strive for excellence, and are recognized for their incredible value to the team. If you're curious to learn more about us, here are four things you should know: Our company culture is anchored in five powerful values: Joy, Honesty, Connectivity, Own Challenger, and Greater World. Do these values resonate with you? We are committed to diversity and inclusion because we believe our unique differences make us stronger. We encourage open communication and create an environment where everyone’s voice is heard and every contribution is valued. Finally, we’re somewhat “obsessed” with quality. We believe in continuous learning and knowledge sharing; when we hit a roadblock, we don’t just complain—we create solutions to overcome it. In one sentence, we are a group of people with an unusual aptitude for generating great ideas, groundbreaking concepts, and infusing them with positive energy and good fun. Feeling Ingenious already? A Sneak Peek at Your Future Role As a Senior Full-Stack Developer, your mission is to design, build, and maintain modern, scalable software features across both frontend and backend domains, with a primary focus on backend. You'll play a key part in a squad focused on large-scale application, scalability, and system optimisation. You’ll work closely with the team and product managers to ensure technical proficiency and deliver reliable solutions aligned with business goals. You’ll take ownership of technical solutions, from UI components to backend systems, and contribute to shared libraries and coding standards. You'll also participate in technical design discussions, peer reviews, and promote clean code principles, solid architecture, and reliable delivery. Here Are the Key Tasks You'll Be Working on Every Day Design, develop, and maintain backend services that support an application used for data ingestion, facilitating the migration of users, clients, and data workflows from legacy systems to the new platform, while ensuring optimal performance and stability. Contribute to frontend tasks to support the existing UI layer and maintain cohesion across all components. Collaborate within a cross-functional Scrum team, ensuring all deliverables align with business and technical priorities. Participate in sprint ceremonies, pair programming, and architectural discussions, actively reviewing code, distributing workload, and applying best practices to shared libraries and system processes. Suggest ideas for technical optimization, propose solutions, and uphold high standards of code quality, test coverage, and engineering discipline throughout the platform. We're Thrilled to Have You Consider Joining Our Team. Here Are the Qualifications We're Seeking At least six years of experience in backend development with .NET Core and C#, including Entity Framework Core, SQL Server, and data access patterns. Experience in frontend development with React, JavaScript/Typescript, HTML, and CSS. Proficiency with software engineering principles, design patterns, and RESTful API design and implementation. Working knowledge of AWS native services and cloud-native development principles. Strong communication skills in English, both written and spoken. Skills That Would Make You Shine Even Brighter! You are familiar with Git, OAuth, and secure user authorization flows. You have exposure to CI/CD pipelines, including YAML configurations, Terraform, and Azure DevOps.

Responsibilities

As a Senior Full-Stack Developer, you will design, build, and maintain modern, scalable software features across both frontend and backend domains, focusing primarily on backend development. You will collaborate with a cross-functional team to ensure technical proficiency and deliver reliable solutions aligned with business goals.