-
YLD

Polyglot Engineer (JS/Python/Go)

YLD
Portugal · Full-time · Mid-Senior

Location: Portugal

Department: Engineering

Employment Type: Permanent

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.

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, Python, and/or Go, 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 optimization;
  • Scalable system design patterns, load balancing, and high-availability architectures;
  • Database design and optimization (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.

You should apply if you are:

  • Self-motivated, proactive and always looking for ways to improve and develop yourself;
  • A good communicator, both in writing and verbally. You’ll be able to explain technical ideas and concepts in business-friendly language.
  • Detail-oriented;
  • Possess strong problem-solving skills that balance innovation with pragmatic technology choices to solve business needs;
  • Used to working in a team-oriented, collaborative environment;
  • Analytical and problem-solving-oriented;
  • A genuine believer in diversity and fairness.

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)

Get a glimpse of what it's like working at YLD! 🤳

Check out our LinkedIn page

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

  • Growing every day
  • Including everyone
  • Relationships built on honesty and ethics
  • Inspiring 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.

Key Skills

Ranked by relevance

infrastructure as code responsive design design patterns product design responsive terraform ai tools graphql fastapi python docker react redis kafka grpc cicd aws gcp ai
Login to Apply
Posted
May 19, 2026
Type
Full-time
Level
Mid-Senior
Location
Portugal
Company
YLD

Industries

Construction Software Development IT Services IT Consulting

Categories

Engineering

Related Jobs

3 roles aligned with this opportunity

View all jobs
View Job Details
Hire Feed
Related

iOS Software Engineer (Remote)

2026-06-19

Contract
Not Applicable
United Arab Emirates
Technology
Engineering
View Job Details
Trinamics
Related

Network Engineer IT

2026-06-19

Full-time
Associate
Netherlands
Automation Machinery Manufacturing
Engineering
View Job Details
Accenture Portugal
Related

Junior AI Engineer

2026-06-19

Full-time
Mid-Senior
Portugal
IT Services
Engineering