Software Engineer; Python​/React

Software Engineer (Python/React)

Location:

UK or Portugal

Department:
Engineering

Hours:

Full-time

About YLD:
Everything we do is to empower our clients to move forward. Our purpose is to help our clients develop the capabilities they need to outperform their competitors. Our success is a consequence of ensuring our clients are successful. Our company is built on extraordinary people; we aim to attract, inspire, develop and retain them. YLD is a software engineering and design consultancy;

we create digital capabilities for our clients that last beyond our engagement. We have offices in London, Lisbon, and Porto.

As a Senior Software Engineer, you’ll be part of a client team building innovative products. We expect you to be curious, passionate, driven, and enthusiastic. You’ll be proficient at problem-solving, and crafting scalable, resilient, and fault-tolerant architectures. You’ll be an effective communicator and a team player. Furthermore, you and your team will move in a fast‑paced engineering environment, achieving outstanding results and delivering exciting projects.

A YLD Software Engineering Consultant is a highly‑skilled developer who exemplifies the highest standard in software engineering and enjoys sharing their knowledge and experience with others.

You’ll have the opportunity to build and deliver software within some interesting projects, both in terms of the product and the methodology. We work in an Agile environment (Scrum) with a test‑first mindset. We are also big advocates of pair programming and nothing is released until we have a code review.

You have a real passion for problem‑solving and are an active learner who gets excited by working collaboratively with those around you.

If you are a proactive, adaptable, and enthusiastic engineer with must‑have experience in either Python, Go, Type Script, or similar languages, and a passion for leveraging multiple technologies to build exceptional backend solutions, we encourage you to apply.

• Crafting excellent products! As a Full‑Stack Engineer, you will be building new features that meet the needs of our clients' customers
• Continuously delivering changes to products, as our client is moving to a full CI/CD model
• Working closely with your team, regularly collaborating 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 inline 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

• Proficiency in JavaScript/Type Script, Python, and Go with 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 No
  
  SQL)
• API development (REST, Graph
  
  QL, gRPC) and event‑driven architectures
• Caching strategies and message queue systems (Redis, Kafka, Rabbit
  
  MQ)
• Cloud platforms (AWS, Azure, GCP) with containerisation (Docker, Kubernetes)
• CI/CD pipelines and Infrastructure as Code (Terraform, Cloud Formation)
• Monitoring, observability, and performance optimisation tools
• You can keep a cool head when debugging production issues

• Self‑motivated, proactive and constantly 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
• Problem‑solving skills that balance innovation with pragmatic…