Polyglot Engineer (JS/Python/Go)

YLD; Portugal; Remoto; EUR 65.000 - 100.000; Tempo pieno

Vantaggi offerti da questo lavoro

Private health care

Maternity/Paternity leave up to 6m

25 days annual holiday

Training/conference allowance €2000

Hardware allowance €300

Mental health support

Headspace or Calm subscription

Performance bonus

Company laptop

Referral schemes

Descrizione del lavoro

YLD, a remote-first consultancy with teams in Lisbon, Porto and London, seeks a Senior Software Engineer to design scalable, fault‑tolerant architectures for client products. You will solve complex problems, drive CI/CD adoption, and collaborate across disciplines to deliver high‑quality software.

You will mentor peers, contribute to production operations, and help shape robust, scalable systems while embracing new tech and best practices in a fast‑paced environment.

Competenze

• Experience with modern frameworks across the stack (FastAPI, Gin, Express).
• Production experience with React, build tools, state management, responsive design.
• Comprehensive testing (unit, integration, E2E, security) and performance optimization.
• Knowledge of scalable design patterns, load balancing and high availability.
• Experience with relational and NoSQL databases; API development (REST/GraphQL/gRPC).
• Caching and messaging systems (Redis, Kafka, RabbitMQ).
• Cloud platforms (AWS, Azure, GCP) with Docker/Kubernetes and IaC (Terraform).
• CI/CD pipelines and observability tooling; quick debugging in production.

Mansioni

• Crafting excellent products by building new features to meet client needs.
• Continuously delivering changes as clients move to a full CI/CD model.
• Collaborating with the team on engineering initiatives and best practices.
• Mentoring the engineering team to accelerate career growth.
• Architecting and delivering highly available, zero-downtime products.
• Overseeing production operations and monitoring in line with SLAs.
• Promoting the team’s work through regular show-and-tell sessions.

Conoscenze

JavaScript/TypeScript

Python

FastAPI

Gin

Express

React

CI/CD

Docker

Kubernetes

AWS

Azure

GCP

Terraform

REST

GraphQL

gRPC

Redis

Kafka

RabbitMQ

Strumenti

Docker

Kubernetes

Redis

Kafka

RabbitMQ

Terraform

CloudFormation

React tooling

Descrizione del lavoro

About YLD

Our goal is to help our clients keep moving forward. We work with them to build the skills and capabilities they need to stay ahead of the competition, and we know our success only happens when they succeed. We’re a team of curious, talented people, and we’re committed to making YLD a place where great people want to work, grow, and stay. We’re a remote-first consultancy specialising in software engineering, product design, and data. Our teams are based across London, Lisbon, and Porto, and we create digital solutions that continue to deliver value long after our work is done.

Location: Portugal

Department: Engineering

Employment Type: Permanent

About the role

As a Senior Software Engineer at YLD, you’ll be part of a client team building innovative products. We’re looking for someone curious, passionate, driven, and enthusiastic. You should be skilled in problem‑solving and experienced in designing scalable, resilient, and fault‑tolerant architectures. You’re also an effective communicator and a strong team player. Together with your team, you’ll thrive in a fast‑paced engineering environment, delivering outstanding results and exciting projects.

Your day‑to‑day responsibilities will look like this

• Crafting excellent products! You will be building new features that meet the needs of our clients and customers;
• Continuously delivering changes to products, as our client is moving to a full CI/CD model;
• Working closely with your team, regularly collaborating and on engineering initiatives, to continually push yourselves to be better;
• Learning, growing, and mentoring the engineering team to accelerate their career growth and encourage them to progress;
• Working with the Lead to architect, design, build, and deliver highly available, always‑on, zero‑downtime products;
• Being responsible for the production operation and monitoring of products in line with SLAs;
• Driving good practices within your team, making an impact on the whole department;
• Participating in regular show and tells, promoting your work to both your department and the wider company.

Preferred Skills

• Proficiency in JavaScript/TypeScript and Python, with the ability to rapidly learn new languages;
• Experience with modern frameworks across the stack (FastAPI, Gin, Express, etc.);
• Production experience with React, modern build tools, state management, responsive design, and accessibility standards;
• Comprehensive testing experience (unit, integration, E2E, security) and performance optimisation;
• Scalable system design patterns, load balancing, and high‑availability architectures;
• Database design and optimisation (both relational and NoSQL);
• API development (REST, GraphQL, gRPC) and event‑driven architectures;
• Caching strategies and message queue systems (Redis, Kafka, RabbitMQ);
• Cloud platforms (AWS, Azure, GCP) with containerisation (Docker, Kubernetes);
• CI/CD pipelines and Infrastructure as Code (Terraform, CloudFormation);
• Monitoring, observability, and performance optimisation tools;
• You can keep a cool head when debugging production issues;
• Use AI tools to augment your work, applying sound judgement to adopt emerging technologies where they genuinely add value and increase your impact as an engineer.

Benefits you’ll receive

• Company Private Health care
• Enhanced fully paid maternity and paternity leave for up to 6 months
• 25 days annual holiday (excluding Public Holidays)
• €2000 annual allowance for Training/Conferences
• €300 annual allowance for additional hardware
• Mental Health support: access to Oli app
• Meditation/Sleep support: Headspace or Calm app subscription
• Bonus (depending on Company performance and results)
• Company laptop
• Generous referral schemes

Our typical Recruitment Process looks like this

• 1st Interview with someone from the Talent team (30/45 mins)
• Technical Interview with our Senior Developers (1h30)

We live and breathe our values, and know you will too

• Growing every day
• Including everyone
• Relationships built on honesty and ethics
• Inspirational solutions
• Winning together

We’re an equal‑opportunity employer and value diversity in all its forms. We do not discriminate based on race, religion, colour, national origin, gender, sexual orientation, pregnancy or maternity, age, marital status, or disability. We also offer a remote‑first working environment, with flexible working and work‑life balance as standard for all employees.