Full Stack Tech Lead ID89529

AgileEngine; Kraków; Hybrid; PLN 350,000 - 467,000; Full time

Benefits offered by this job

Professional growth

Competitive compensation

A selection of exciting projects

Flextime

Job summary

AgileEngine seeks a Backend Software Engineer to build and maintain PHP-based systems powering distributed services. You will apply strong OOP and system design skills to keep APIs secure, scalable, and performant.

This hands-on role suits someone who values clean code and sound engineering fundamentals. You will develop and maintain backend systems, APIs, and integrations, write modular PHP code, contribute to microservices, and implement secure authentication and authorization.

Qualifications

• Bachelor's degree or equivalent professional experience.
• 2 years backend software engineering experience, PHP production environments.
• Solid understanding of OOP, design patterns, algorithms, and data structures.
• Experience building and maintaining backend systems and service integrations.
• Proficiency in secure API design and authentication/authorization concepts.
• Experience with relational databases (MySQL, PostgreSQL) and backend architecture fundamentals.
• Familiarity with Git, CI/CD pipelines, and containerized environments.
• Ability to debug, optimize, and deliver reliable solutions.
• Good communication, collaboration, and documentation skills.
• Overlap with Western European Time.
• Willingness to assist during weekend migration in emergencies.
• Upper-intermediate English level.

Responsibilities

• Develop and maintain backend systems, APIs, and integrations supporting company products and distributed services.
• Write clean, modular, and testable code in PHP and complementary technologies.
• Contribute to distributed systems and microservices that support scalability, reliability, and separation of concerns.
• Apply OOP principles and solid architectural patterns to ensure extensibility and maintainability.
• Implement and maintain secure authentication and authorization mechanisms (OAuth2, JWT, RBAC).
• Utilize data structures, algorithms, and caching strategies to optimize system performance.
• Conduct debugging, profiling, and performance tuning across environments.
• Collaborate with Product Managers, Architects, QA, and Support Teams to gather requirements and deliver.
• Participate in testing strategies with QA/QE teams to ensure coverage.
• Adhere to code quality, security, and scalability standards across the lifecycle.
• Participate in peer code reviews and knowledge sharing.
• Maintain technical documentation, including API specs and notes.
• Participate in engineering reviews, sprint ceremonies, and cross-team demos.
• Ensure compliance with open-source usage and third-party dependencies.

Skills

OOP concepts

Design patterns

Algorithms

Data structures

PHP development

Secure API design

Relational databases

Git

CI/CD

Containerization

Communication

English (B2+)

Education

Bachelor's degree in Computer Science/Software Engineering

Tools

Git

CI/CD pipelines

Docker

Kubernetes

MySQL

PostgreSQL

Job description

AgileEngine is an Inc. 5000 company that creates award-winning software for Fortune 500 brands and trailblazing startups across 17+ industries. We rank among the leaders in areas like application development and AI/ML, and our people-first culture has earned us multiple Best Place to Work awards.

WHY JOIN US

If you're looking for a place to grow, make an impact, and work with people who care, we'd love to meet you!

ABOUT THE ROLE

We are looking for a Backend Software Engineer to build and maintain the PHP-based systems powering our distributed services. You will apply strong OOP and system design skills to keep APIs secure, scalable, and performant. This hands‑on role suits someone who values clean code and sound engineering fundamentals.

WHAT YOU WILL DO

• Develop and maintain backend systems, APIs, and integrations supporting company products and distributed services.
• Write clean, modular, and testable code in PHP and complementary technologies such as JavaScript, HTML/CSS, and related frameworks.
• Contribute to distributed systems and microservices that support scalability, reliability, and separation of concerns.
• Apply OOP principles and solid architectural patterns to ensure extensibility and maintainability.
• Implement and maintain secure authentication and authorization mechanisms (e.g., OAuth2, JWT, RBAC).
• Utilize data structures, algorithms, and caching strategies to optimize system performance and responsiveness.
• Conduct debugging, profiling, and performance tuning across multiple environments and services.
• Collaborate with Product Managers, Architects, QA, and Support Teams to gather requirements, define scope, and ensure successful delivery.
• Participate in testing strategies with QA/QE teams to ensure coverage of both new and existing functionality.
• Adhere to code quality, security, and scalability standards across the development lifecycle.
• Participate in peer code reviews, contributing to knowledge sharing and consistent practices.
• Maintain technical documentation, including API specifications and relevant implementation notes.
• Participate in engineering reviews, sprint ceremonies, and cross-team demos to align on progress and priorities.
• Ensure compliance with company policies regarding open-source usage and third‑party dependencies.

MUST HAVES

• Bachelor's degree in Computer Science, Software Engineering, or a related field , or equivalent professional experience.
• 2 years of backend software engineering experience , primarily in PHP production environments .
• Solid understanding of OOP, design patterns, algorithms, and data structures .
• Experience building and maintaining backend systems and service integrations.
• Proficiency in secure API design and familiarity with authentication/authorization concepts.
• Experience with relational databases (MySQL, PostgreSQL ) and backend architecture fundamentals.
• Familiarity with Git, CI/CD pipelines, and containerized environments .
• Ability to debug, optimize, and deliver reliable solutions.
• Good communication, collaboration, and documentation skills.
• Strong sense of ownership and accountability.
• Overlap with Western European Time .
• Able to assist in a situation of emergency during a weekend migration (we do not expect this to be frequent).
• Upper-intermediate English level.

NICE TO HAVES

• Experience with modern PHP frameworks such as Laravel or Symfony.
• Familiarity with RESTful and GraphQL API design and frontend integration best practices.
• Experience with DevOps, container orchestration (Docker, Kubernetes), and cloud infrastructure (AWS, GCP, Azure).
• Knowledge of distributed caching, queuing, and messaging systems (e.g., Redis, RabbitMQ, Kafka).
• Exposure to observability and monitoring tools (e.g., Prometheus, ELK Stack, Datadog, OpenTelemetry).
• Understanding of asynchronous processing, event‑driven systems, and service‑to‑service communication patterns.

PERKS AND BENEFITS

• Professional growth : Accelerate your professional journey with mentorship, TechTalks, and personalized growth roadmaps.
• Competitive compensation : We match your ever-growing skills, talent, and contributions with competitive USD-based compensation and budgets for education, fitness, and team activities.
• A selection of exciting projects : Join projects with modern solutions development and top‑tier clients that include Fortune 500 enterprises and leading product brands.
• Flextime : Tailor your schedule for an optimal work-life balance, by having the options of working from home and going to the office – whatever makes you the happiest and most productive.

Meet Our Recruitment Process

Application → Coding Challenge → Video Interview → Technical Interview or Hiring Manager Interview

Each step helps us understand your skills and overall fit.

If it’s a match, you’ll receive an offer.