Senior Software Engineer - Declarations

PayFit España; Barcelona; Híbrido; EUR 40.000 - 60.000; Jornada completa

Descripción de la vacante

A leading HR and Payroll technology company is seeking a Full Stack Engineer to join their team in Barcelona. You'll work on building solutions that streamline regulatory processes across multiple countries. The ideal candidate has 5+ years of experience, strong skills in TypeScript, NestJS, and AWS, along with a growth mindset. This role offers flexibility, opportunities for learning and development, and a supportive team culture.

Servicios

Gym membership

Health insurance

Home office budget

Learning platform

Flexible working hours

Formación

• 5+ years of experience in software engineering.
• Strong proficiency in TypeScript, NestJS, AWS, and MongoDB.
• Hands-on experience with Domain-Driven Design and Event-Driven Architecture.

Responsabilidades

• Design and deliver new features for regulatory compliance.
• Implement architecture patterns for code quality.
• Conduct systematic code reviews and pair programming.

Conocimientos

TypeScript

NestJS

AWS

MongoDB

Domain-Driven Design

Event-Driven Architecture

Hexagonal architecture

Problem solving

Good communication skills

Herramientas

Docker

React

Datadog

CircleCI

Descripción del empleo

Job Description

Get to know us

Do you want to help us shape what the future of work will look like and how it will best embrace our life's aspirations? If this sounds like a journey you want to embark on, we may have the right role for you! PayFit is an intuitive software as a service payroll and HRIS solution designed specifically for SMBs.Since 2015, we have set ourselves a mission to simplify payroll for SMBs and enable employers and employees to grow together. We are a European company operating from 3 main countries (France, Spain, and the UK) where we are supporting over 18,000 clients.

Creating a fulfilling work environment and culture is also a core mission at PayFit, and our day-to-day work philosophy is reflected in our four values :

Care : We genuinely care for others whoever they are, whatever they think.

Excellence : We aim to improve and achieve better results every day.

Humility : Staying humble and exchanging transparent feedback helps us to grow and improve.

Passion : We are the architects of PayFit's success.

A key part of our culture , and essential for our success, is also improving the diversity of our teams and building an inclusive culture where you can be yourself at work.

This is why our recruitment focuses on the skills you demonstrate, and not only on your academic background or previous professional experiences. At PayFit we understand that you can gain applicable skills through a variety of life experiences and we are interested in knowing them, too.

Location :

The position is based in France or Spain

About the role :

Join our dynamic 5-person full stack development team at PayFit, where you'll be building declarations solutions that streamline interactions between our customers and government agencies across France, the UK, and Spain. We're on a mission to automate, scale, and enhance complex regulatory processes, making compliance seamless for businesses.

What you'll do :

• Features development : Design and deliver new features that directly impact thousands of businesses navigating regulatory requirements
• Architecture excellence : Implement hexagonal architecture, CQRS, and Domain-Driven Design (DDD) tactical patterns to enhance code readability and maintainability
• Technical leadership : Challenge product requirements, model solutions, and lead system design discussions
• Domain expertise : Dive deep into the declarations’ domain and translate complex regulatory requirements into clean, understandable code
• Collaboration : Conduct systematic code reviews and frequent pair programming sessions to maintain high code quality
• TypeScript / Node.js with NestJS framework
• Microservices architecture in a Nx monorepo
• Event-driven communication via an internal resource platform (built with AWS resources)
• Cloud architecture on AWS (Lambda functions, DynamoDB, S3, SQS, EKS, …)
• React on the frontend
• Vitest for testing, ESLint / Prettier for code quality
• Datadog for observability, CircleCI for CI / CD
• Docker containerization with AWS ECR

This role is for you if :

You are an Engineer with 5+ years of experience and have an interestinlearning Payroll and Declarations domains

You have a strong proficiency with our tech stack (TypeScript, NestJS, AWS, MongoDB)

You have an interesting hands-on experience with Domain-Driven design and Event-Driven Architecture , and have a strong understanding of hexagonal architecture .

You are have agrowth mindset with eagerness to learn and share knowledge

You are comfortable with AI code assistants

You are a Problem solver : You are a pragmatic and product-driven engineer who is interested in solving problems and delivering value while taking into account business <>

tech tradeoffs.

You are a Team player : You have good communication skills, are comfortable working in a partially remote team, and can easily work with non-technical colleagues.

You are using Best Practices : You are an organized, rigorous engineer who follows best practices regarding code quality, clean architecture, testing, monitoring, code reviews, and CI / CD.

You are fluent in English

If you think you would be a good fit even if you don't meet 100% of the requirements, we would love to hear from you!

Your future team :

Declarations squad is a team of 5 Software Engineers with an Engineering Manager leading the team, and a Product Manager who are working on their missions together.

Your future manager, Ghizlane has extensive experience in leading the development of complex technical projects, and will help you evolve in your role!

Hiring process :

1) A first call with our Talent Acquisition Specialist to explain you better the role and see your general fit to it. (30-45 mins)

2) A meeting with the Engineering Manager, Ghizlane, to discuss your technical background. (45 mins)

3) A technical Interview that comprises of 2 parts : Theoretical knowledge + live technical challenge. (60 min)

4) A system design interview, focusing on distributed systems and web architecture. (90 mins)

5)A final roundmeeting with our Product Manager &the Tribe Engineering Director. (30 mins)

Background Check (ISO27001 certification) : identity, diploma, and past professional experiences will be checked after the offer.

What we offer :

Flexibility : We believe it is key to produce your best work and to be fulfilled. We therefore offer the possibility to work away from our main offices, within France / UK / Spain; as well as abroad for a defined period. Further requirements may apply depending on the role and your overall experience.

Learning & Development : In PayFit we have a great learning platform where you can learn new skills every day with the support of our company. We also have English language courses to improve your business communication vocabulary and get to the next level.

Career Development : We want you to progress and be free to choose which direction you want to grow. There are also opportunities for internal moves.

Health promotion : A Gym at our Paris office and a GymLib subscription with preferential rates. 4 paid sessions with a mental health practitioner and online support with Moka.Care.

Health insurance : Mutuelle Henner (60% covered by PayFit).

Transportation : 50% covered for your public transportation card for those living within Ile de France. A budget to travel to the office for those who live outside of it.

Meals : A restaurant card with our partner Swile ( 9€ per workday).

Home office budget : 150€ per year to help you get set up in the best conditions. A MacBook is our standard working tool.

Parental support : 20 weeks maternity leave covered by PayFit and 4 weeks leave for the second parent.

Time off : 25 days of holidays + RTT days (depending on the contract).

Disability Inclusion : All of our positions are open to any person living with a disability. To guarantee equal treatment and opportunities, we will take, based on individual needs, appropriate measures to adapt the work conditions of PayFiters with disabilities, and if needed also during the recruitment process. Please let us know what you need and we will do our best to accommodate!

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