Back End Developer

LEGO Education

Backend Developer developing sportsbook web applications at iGaming company. Collaborating with teams to deliver user-friendly features and code solutions.

Posted 7/25/2026full-timeLisbon • 🇵🇹 PortugalMid-LevelSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in developing scalable and maintainable backend solutions using PHP8 and Symfony, while leveraging AI-assisted development tools to enhance productivity and code quality. Proficient in implementing security best practices and evaluating AI-generated code for compliance with standards.

Highest-signal resume keywords

PHP8 DevelopmentSymfony FrameworkAI-Assisted Development ToolsRESTful API DevelopmentObject-Oriented Programming

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

PHP8SymfonyRESTful APIsObject-Oriented ProgrammingDesign PatternsDebuggingMicroservicesWeb ServicesSecurity Best PracticesCoding Principles

Tools & Technologies

GitHub CopilotChatGPTRabbitMQDockerElasticSearchWebsocketSocket.IOAWSGCPKubernetes

Industry Keywords

AI AdvancementsSoftware Engineering PracticesEmerging TechnologiesDevelopment EfficiencyCode Quality

Tech Stack

Tools & technologies

AWSDockerElasticSearchGoGoogle Cloud PlatformKubernetesMicroservicesPHPRabbitMQSymfony

About the role

Key responsibilities & impact

Collaborate with other team members to establish objectives and design functional, scalable and maintainable backend solutions that enhance the user experience
Develop ideas for new programs, products and features by monitoring industry developments, emerging technologies and AI advancements
Build reusable code, libraries and services for future use
Develop and maintain RESTful APIs and backend services
Write high-performance, secure and scalable code
Implement security, data protection and best software engineering practices
Liaise with developers, designers and system administrators to identify and implement new features
Leverage AI-assisted development tools (e.g. GitHub Copilot, ChatGPT, Claude or similar) to improve productivity, accelerate development, assist with debugging, documentation and code generation while ensuring the quality, security and maintainability of all deliverables
Evaluate, validate and critically review AI-generated code and technical solutions, ensuring compliance with coding standards, security requirements and business needs
Continuously evaluate and adopt emerging technologies, including AI-powered development practices, to improve engineering efficiency and software quality

Requirements

What you’ll need

At least 3 years experience in software development
Good level of programming skills in >=PHP8
Ability to debug complex PHP applications (Xdebug, Profiler, and others)
Development following different coding principles (SOLID, KISS, ACID, etc)
Strong knowledge in developing with latest Symfony versions
Knowledge of Object-Oriented Programming and Design Patterns
Experience using AI-assisted software development tools (such as GitHub Copilot, ChatGPT, Claude, Cursor, Windsurf or similar) to support coding, debugging, testing and documentation
Ability to critically assess, validate and refine AI-generated outputs rather than relying on them without technical review
Knowledge of RabbitMQ, Docker, ElasticSearch is a plus
Knowledge of Websocket / Socket.IO is a plus
Experience with Web Services, Microservices
Experience with AWS, GCP, Kubernetes is a plus
Experience with Go would be a plus
Proficient level of English

Benefits

Comp & perks

Competitive salary & full benefits
Career growth in a fast-growing iGaming company
Opportunity to shape a high-impact sports betting product
Hybrid work model as per our Policy
Perks: lunch & transport allowance
25 days paid vacation per year
Health & dental insurance + wellness reimbursement (after 6 months work)
A collaborative culture where your input matters
Team events & monthly office activities