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Added 15 mins ago
K
Overhead Crane Technician / Industrial Electrician
Konecranes
Dartmouth, NS
- Full-time
Complete Work Packages and other required documents in a professional, accurate, neat, and legible manner and submit same in a timely manner and in accordance with established guidelines.
Added 15 mins ago
SH
Field Nurse Case Manager (Montreal & Ottawa)
Sentrex Health Solutions
Ottawa, ON · Montreal, QC
- Full-time
…coordination and delivery of services related to the patient support programs offered by Sentrex Health Solution. The FNCM is responsible for managing all aspects of program support and may…
Added 15 mins ago
SH
Gestionnaire de cas Infirmière de terrain bilingue/ Bilingual Senior Field Nurse Case Manager (Montreal, QC)
Sentrex Health Solutions
Markham, ON · Montreal, QC
- Full-time
Added 15 mins ago
BC
Financial Solutions Specialist - Gladstone Branch
Beem Credit Union
Vancouver, BC
- Full-time
Support financial milestones requiring judgment, technical expertise, and strategic insight.
Added 15 mins ago
PE
Senior Settlements Analyst
Pattern Energy Group LP
Toronto, ON
- Other
Support implementation and enhancement of settlement systems, ETRM platforms, and market data solutions.
Added 15 mins ago
TT
Design Specialist -- Test (Senior)
Teledyne Technologies Incorporated
Waterloo, ON · Canada - Waterloo, ON
- Full-time
…and ongoing maintenance of both hardware and software test systems used to evaluate product and component performance. This role plays a critical part in ensuring product quality and…
Added 15 mins ago
E
Site Project Manager
Ecolab
Calgary, AB · CAN-Calgary Office Quarry Park
- Full-time
$1,000 Annual professional development allowance to support your ongoing learning, skill development, and career growth.
Added 15 mins ago
A
Customer Success Manager- 1 Year Term
Assent
Ottawa, ON
- $75,000 to $95,000 CAD / year
- Full-time
…compliance programs from start to finish, working with the Program Support teams to execute on tasks required to achieve client…
Added 28 mins ago
A
Rail Infrastructure Co-op Student - Winter 2027
AtkinsRéalis
Vancouver, BC
- Full-time
Support Trackwork Engineers and EITs in producing designs and construction support documentation for Rail & Transit projects across Canada.
Added 28 mins ago
DC
M&A and FP&A Analyst
Dillon Consulting Limited
London, ON
- Full-time
Systems Evaluation: Support the evaluation, configuration, and testing of new FP&A and Enterprise Performance Management (EPM) software solutions as the function matures.
Added 28 mins ago
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ICAT, Project Coordinator
EllisDon
Toronto, ON
- Full-time
Coordinate ICAT building systems including Building Automation, Structured Cabling, Converged Networks, Digital Lighting, Nurse Call, RTLS, Access Control, CCTV, Intercoms, Audio/Visual,…
Added 28 mins ago
KS
Information Technology Specialist
Kelly Services (Canada), Ltd.
Moncton, NB
- Other
At Kelly, we are recruiting IT Field Service technicians to support our Client. As a Field Service technician, you will support our clients with their hardware, networking, and…
Added 28 mins ago
ZL
Real Estate Law Clerk
Zubic Law
Canada
- Contract
You'll support and manage Ontario residential & commercial real estate files from opening through closing, working closely with our lawyer and legal team while serving as an important point…
Added 28 mins ago
MS
Administrative Assistant
Marberg Staffing
Toronto, ON
- Temporary
Coordinate and support branch program administrative processes, and handle inquiries from a broad range internal and external stakeholders.
Added 28 mins ago
LI
Terraform Developer
LanceSoft, Inc.
Halifax, NS
- Contract
Support modern data platforms including Databricks and Snowflake.
Added 28 mins ago
JH
Event and Conference Services Manager - Hotel (relocation to Victoria, BC)
JRoss Hospitality Recruiters
BC · British Columbia, Canada
- $70,000 to $75,000 CAD / year
- Full-time
Lead the day-to-day Event & Conference Services function and provide direction, coaching and support to a team of three event professionals.
Added 28 mins ago
LA
Legal Aid Worker
Legal Aid Ontario
Toronto, ON
- Full-time
This LAW position will provide administrative support to both family and criminal lawyers within the Toronto District, and may be required to attend various court locations and institutions…
Added 28 mins ago
AH
Fleet Coordinator
Alberta Health Services
Coaldale, AB
- Temporary
Emergency Health Services – Alberta (EHS-AB) is one of Canada’s largest integrated emergency medical systems, providing care to over 750,000 Albertans annually through a province-wide model…
Added 28 mins ago
CH
Street Outreach Worker
Covenant House Toronto
Toronto, ON
- Full-time
…trauma-informed and harm reduction approaches, providing immediate support for basic needs and crisis stabilization, and connecting youth to emergency shelter, health care, and other…
Added 28 mins ago
CH
Development Associate, Campaign
Covenant House Toronto
Toronto, ON
- Full-time
…options on-site and, in the community, health and well-being support, training and skill development, and ongoing care once youth move into the…
Added 28 mins ago
GO
Forest Planning and Development Technician
Government of Manitoba
Winnipeg, MB
- Other
…person plays in delivering exceptional services, programs and support to the province. Your important contributions are recognized with a comprehensive package of benefits, including an…
Added 28 mins ago
RE
Senior Accountant
Responsible Energy (TSXV: REH)
Maitland, ON
- Full-time
Reporting to the Chief Financial Officer, the Senior Accountant will provide experienced, hands-on accounting support across Responsible Energy’s day-to-day accounting, financial reporting,…
Added 28 mins ago
GO
Senior Technical Analyst
Government of Manitoba
Winnipeg, MB
- Full-time
…person plays in delivering exceptional services, programs and support to the province. Your important contributions are recognized with a comprehensive package of benefits, including an…
Added 28 mins ago
MM
Quality Analyst Senior
Modine Manufacturing Company
Calgary, AB
- Full-time
…years of excellence in thermal management, we provide trusted systems and solutions that improve air quality and conserve natural resources. More than 13,000 employees are at work in every…
Added 28 mins ago
GO
Revenue Clerk
Government of Manitoba
Winnipeg, MB
- Full-time
…person plays in delivering exceptional services, programs and support to the province. Your important contributions are recognized with a comprehensive package of benefits, including an…

Leyton

Full Stack Engineer

AB, Canada
Alberta, Canada, Canada

€30,000 to €50,000 EUR / year · Full-time

Apply About employer

Applications open in a new tab.

Job details

Pay: €30,000 to €50,000 EUR / year
Job type: Full-time
Apply by: Oct 29, 2026
Posting language: English
Posted: Sep 29, 2026

Original job description

Full-Stack Engineer (Junior & Senior Levels)

Build AI Products. Own Them. Shape the Future of Engineering in Barcelona.

Full-Time | Permanent

Location: Barcelona, Spain

Open to candidates across North America (United States & Canada)

Relocation to Barcelona, Spain is required

Visa sponsorship and relocation support available

Target Start Date: January 2027 (or as soon as work authorization is completed)

About Mainloop

Mainloop is a new AI-native engineering team based in Barcelona, built from the ground up inside an established international group.

We combine the energy of a startup with the stability, customers, and global reach of an organization that has been operating for decades.

Our mission is to build software that transforms how professional-services businesses operate by automating complex processes, reducing administrative work, and creating products that teams rely on every day.

The group has operated a technology lab in Casablanca for more than eight years. Barcelona is our second technology hub, created to be closer to the businesses we support and built with AI at the center from the beginning.

We are building the team now, and this is an opportunity to help shape how modern engineering teams work.

The Opportunity

We are hiring Full-Stack Engineers at two levels:

Junior Full-Stack Engineers

We are looking for early-career engineers who are curious, ambitious, and excited about the future of AI-assisted software development.

You do not need years of production experience. What matters is:

You can build working applications.
You enjoy learning quickly.
You have experimented with AI coding tools.
You want to become exceptional at building software with modern AI workflows.

Senior Full-Stack Engineer

We are looking for an experienced engineer who has owned production software and can help define architecture, engineering standards, and development practices as the team grows.

You will help shape how products are built, maintained, and scaled.

What You Will Do

As a Full-Stack Engineer at Mainloop, you will own products from development through long-term success.

You will:

Build and maintain software products used by teams across multiple countries.
Partner with Product Owners to translate business needs into technical solutions.
Design scalable architectures and make strong engineering decisions.
Develop frontend and backend applications.
Review, improve, and maintain existing codebases.
Use AI coding agents to accelerate development while maintaining quality.
Build features, write tests, and ship reliable software.
Own production quality and continuously improve the products you support.
Help define engineering practices, tools, and standards as the team grows.

AI-Native Engineering Environment

Mainloop is not a traditional engineering team that added AI tools afterward.

AI is part of how we build from day one.

You will work with:

AI coding agents such as Claude Code, Cursor, Codex, and similar tools.
AI-assisted development workflows.
Automated code review processes.
Modern testing and deployment practices.
Shared engineering patterns across our products.

The goal is not simply to write code faster.

The goal is to become better engineers by spending more time on:

Architecture
Problem solving
Product decisions
Quality
Technical judgment

What We Are Looking For

We are looking for engineers who enjoy ownership and building things that matter.

You may be a strong fit if you have:

Experience building web applications across frontend and backend.
Strong understanding of software engineering fundamentals.
Experience with modern development frameworks and technologies.
Ability to understand existing codebases and improve them.
Interest in AI-assisted development and modern engineering workflows.
Strong problem-solving skills and attention to quality.
Ability to communicate clearly in English.

For the Senior Engineer role, we are looking for:

Experience owning production applications.
Ability to make architecture decisions.
Experience mentoring or guiding other engineers.
Strong judgment around technical trade-offs.

For the Junior Engineer role, we are looking for:

Ability to build a complete working application.
Personal projects, internships, university projects, or early professional experience.
Curiosity and motivation to grow quickly.
Experience experimenting with AI coding tools.

Technology & Engineering Practices

We believe strong engineering comes from good systems.

Our teams focus on:

Consistent architecture patterns across products.
Automated testing.
Code quality and review processes.
Continuous improvement.
Clear ownership.

We use standards where they help, and we adapt when a problem genuinely requires something different.

The Mainloop Barcelona Certificate

We are building a structured engineering development program focused on:

AI-native software development.
Product ownership.
Architecture.
Building reliable applications.
Taking software from idea to production.

Engineers who complete the program and demonstrate mastery will receive the Mainloop Barcelona Certificate - a recognition of their ability to build modern software using AI-powered engineering methods.

Relocation & Benefits

For candidates relocating from North America, Mainloop provides:

Visa sponsorship support.
Relocation assistance.
Initial accommodation support.
Assistance with local administration.
Spanish language support.

Additional benefits include:

Permanent full-time employment contract in Spain.
Healthcare coverage from day one.
30 calendar days of annual vacation plus public holidays.
Opportunity to work across international markets.
Career growth within a global organization.
The opportunity to help build a new AI-native engineering team.

Why Barcelona?

Barcelona offers:

A strong international technology ecosystem.
A vibrant engineering community.
Excellent quality of life.
Access to European markets.
A multicultural environment.

This is an opportunity to build your engineering career at the intersection of:

Software Engineering + Artificial Intelligence + Product Ownership + Global Impact

Hiring Process

Our process is designed to understand how you think and build:

Introductory conversation
Learn about your background, experience, and what you are looking for.
Engineering discussion
Walk us through something you have built and discuss your technical decisions.
Conversation with our global technology team
Learn more about how we build and where we are going.
Practical project
Complete a real engineering exercise using the tools and workflow we use internally.

Apply with something you have built and tell us about a technical decision you made, what you learned, and how you would approach it differently today.

Mainloop | Barcelona, Spain

Building the future of AI-native engineering.

Apply About employer

More about this job

Responsibilities

Build, maintain, and own full-stack software products from development through long-term production quality, working with Product Owners to turn business needs into technical solutions. Make architecture and engineering decisions, use AI coding agents and modern testing practices, and help establish engineering standards as the team grows.

Requirements

Candidates should be able to build web applications across frontend and backend, understand software engineering fundamentals, improve existing codebases, and communicate clearly in English. Senior candidates should also have production ownership, architecture decision-making, and mentoring experience; junior candidates should demonstrate the ability to build a working application and motivation to grow with AI coding tools.

Skills

Full-Stack Development
Frontend Development
Backend Development
Web Application Development
Software Architecture
Production Software Ownership
AI-Assisted Development
AI Coding Agents
Automated Testing
Code Review
Codebase Maintenance
Product Ownership
Problem-Solving
Technical Decision-Making
Mentoring
English Communication

Benefits

Visa Sponsorship Support
Relocation Assistance
Initial Accommodation Support
Local Administration Assistance
Spanish Language Support
Healthcare Coverage
30 Calendar Days Of Annual Vacation Plus Public Holidays
Career Growth Opportunities

Visa sponsorship

Detected

Keywords

Full-Stack Engineering
Frontend Applications
Backend Applications
Web Applications
AI-Native Engineering
AI-Assisted Development
Claude Code
Cursor
Codex
AI Coding Agents
Software Architecture
Product Ownership
Production Applications
Automated Testing
Automated Code Review
Code Quality
Engineering Standards
Continuous Improvement
Deployment Practices
Technical Trade-Offs
Business Process Automation
Professional Services
Barcelona
Relocation
Visa Sponsorship

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