YLD
software engineering, product design, and data
PolyglotEngineer(JS/Python/Go)
Neural analysis suggests this role is
optimal for Senior candidates.
“Polyglot Engineer (JS/Python/Go) at YLD. Skills: JavaScript/TypeScript, Python, and/or Go, Modern frameworks across the stack, React, Scalable system design, Cloud platforms, CI/CD pipelines, Testing (unit, integration, E2E, security, performance). Building new features that meet the needs of our clients. Continuously delivering changes to products”
What You'll Achieve.
Deliver outstanding results and exciting projects; Accelerate career growth of the engineering team; Encourage engineering team growth; Make an impact on the whole organisation
Industry & Context.
Skilled in problem-solving; Problem-solving skills that balance innovation with pragmatic technology choices to solve business problems; Analytical and problem-solving-oriented
What They're Looking For.
Must Have
Skilled in problem-solving, Experienced in designing scalable, resilient, and fault-tolerant architectures, Effective communicator, Team player, Self-motivated, Proactive, Detail-oriented, Analytical and problem-solving-oriented, Used to working in a team-oriented, collaborative environment, A genuine believer in diversity and fairness
Nice to Have
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, Comprehensive testing experience (unit, integration, E2E, security) and performance testing, Scalable system design patterns, load balancing, and high-availability, 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, Ability to keep a cool head when debugging production, Ability to 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
What You'll Do.
Building new features that meet the needs of our clients
Continuously delivering changes to products
and delivering highly available
zero downtime systems
Being responsible for the production operation and monitoring of products
Driving good practices within your team
Participating in regular show and tells
How You'll Work.
Team & Collaboration
Working closely with your team; Regularly collaborating on engineering initiatives; Learning, growing, and mentoring the engineering team; Working with the Lead to architect, design, build, and deliver; Participating in regular show and tells, promoting your work to both your department and the wider company; Used to working in a team-oriented, collaborative environment
Communication Scope
Effective communicator; Good communicator, both in writing and verbally; Able to explain technical ideas and concepts in business-friendly language
Full Job Description
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 re
Applying for this Polyglot Engineer (JS/Python/Go) role?
Most applicants get filtered before a human reads their resume. See if yours makes the cut.
How to Apply on Greenhouse
- Create a Greenhouse profile before applying — it saves time across multiple applications.
- Upload your resume as a PDF; the parser handles it better than Word.
- Answer all knockout questions carefully — wrong answers auto-reject before a human sees you.
- Enable email notifications to track application status in real time.
ANONYMOUS · UNFILTERED
What do employees actually say about YLD?
Real rants from real employees. Read before you apply.