SQRD.tech

About the Company

We are a lead generation company operating in the iGaming industry since 2012. Our mission is to deliver high-quality data and trustworthy information to players through comprehensive one-stop portals, enhancing their betting experience.

Our team consists of industry experts who make this possible. We are dedicated to creating a positive and engaging work environment that promotes growth, collaboration, and high performance.

About the Role

We are seeking a highly experienced Senior Web Developer with strong expertise in Laravel, PHP, WordPress, and database management.

The primary focus of this role is backend development, including building and maintaining scalable web applications, RESTful APIs, and custom WordPress solutions with Gutenberg block development. A solid understanding of database optimization, complex queries, and migrations is essential to ensure efficient data processing.

Key Responsibilities

• Design, develop, and maintain backend systems using Laravel and PHP
• Build custom WordPress solutions with a focus on backend logic and Gutenberg block development
• Develop and integrate APIs for communication between internal systems and third-party services
• Optimize database queries and manage migrations (MySQL, PostgreSQL) to ensure efficient data handling
• Ensure high performance and scalability of backend services
• Troubleshoot and resolve complex backend issues while ensuring smooth front-end integration
• Collaborate closely with front-end developers and DevOps teams to deliver high-quality solutions
• Maintain strong code quality standards through code reviews, unit testing, and adherence to best practices

Requirements

• 8+ years of backend development experience using Laravel and PHP
• Strong experience in WordPress backend development, including custom plugins and Gutenberg block creation
• Experience with ReactJS (particularly for Gutenberg block development)
• Solid expertise in designing and integrating RESTful APIs
• Strong knowledge of database management, including schema design, migrations, and query optimization (MySQL, PostgreSQL)
• Proficiency with version control systems such as Git (GitHub, Bitbucket)
• Good understanding of backend best practices related to security, performance, and scalability
• Experience with server environments, deployment, and maintenance
• Ability to work effectively in an Agile/Scrum environment and manage multiple tasks simultaneously
• Strong analytical skills, attention to detail, and a proactive mindset
• Experience working with CI/CD pipelines and automation processes

Nice to Have

• Basic knowledge of frontend technologies (HTML, CSS, JavaScript) to enhance collaboration with front-end teams
• Experience with Docker or other containerization tools
• Familiarity with cloud platforms such as AWS, Azure, or Google Cloud
• Previous experience in the iGaming industry, especially within sports betting

Domain: iGaming / Gambling
Format: Product company
Experience: 5+ years

About the Company

We are an international product company operating in the gambling sector. Our platform delivers real-time personalization for casino and sportsbook products using advanced machine learning. The solution processes live behavioral, transactional, and contextual data to improve player engagement, retention, and overall performance for operators worldwide.

Our focus is on building production-grade ML systems that directly influence what users see in real time — from game recommendations to personalized content and promotions.

Role Overview

We are looking for a Senior Data Scientist to join a product-focused team working on real-time personalization and recommendation systems for iGaming platforms.

This is a hands-on role that combines modeling, experimentation, and close collaboration with engineering and product teams in a high-load, real-time production environment.

Main Responsibilities

• Develop ML-driven features for casino products using supervised learning (regression, ranking, classification)
• Maintain and improve existing recommendation systems in production
• Enhance models using gradient boosting and other supervised approaches
• Perform data cleaning, preprocessing, and feature engineering
• Design and maintain pre- and post-processing workflows
• Optimize training and inference pipelines for performance and reliability
• Integrate ML models into Airflow pipelines in a multi-tenant environment
• Adapt and configure the solution for different clients (tenants)
• Collaborate closely with product and engineering teams on experimentation and feature delivery

As Part of the Team You Will

• Work cross-functionally with data scientists, engineers, product owners, designers, and researchers
• Analyze large-scale datasets to extract insights for product and business decisions
• Propose, implement, and evaluate ML approaches to solve real business problems
• Support and evolve a recommendation solution used across multiple tenants
• Influence product strategy through research, experimentation, and data-driven insights into user behavior

Experience & Education

• 5+ years of professional experience in data science
• Degree in a quantitative field (Mathematics, Statistics, Computer Science, or similar)

Core Skills

• Strong proficiency in Python and SQL
• Hands-on experience with data processing tools (Pandas, Polars)
• Solid engineering skills for building and maintaining scalable ML systems
• Experience implementing observability in ML pipelines (metrics, logging, alerting)
• Knowledge of Docker and Kubernetes
• Strong analytical mindset with the ability to solve loosely defined problems
• Hands-on experience with supervised ML techniques, including:
  • Regression and ranking models (XGBoost, LightGBM, CatBoost, neural networks)
  • Feature engineering and model evaluation (AUC, NDCG, MSE, uplift metrics)
  • Personalization or recommendation systems
• Proven experience deploying ML models to production (near real-time or batch)
• Solid understanding of statistical methods (A/B testing, significance testing)

Nice to Have

• Production experience with large-scale recommendation systems
• Experience with Airflow, Valkey/Redis, FastAPI in production
• Familiarity with contextual bandits or reinforcement learning
• Experience with AutoML tools

Contract period: 23.02.2026 – 31.12.2030
Experience: 5+ years
Location: Remote from Poland
 

Job Overview

We are looking for a senior, results-driven OpenText Exstream Specialist to design and deliver advanced multi-channel document solutions for an enterprise-level project. The role requires deep hands-on expertise with OpenText Exstream, strong skills in data transformation, REST API development, and CI/CD automation using Jenkins and Groovy.

The specialist will work with multiple document output formats (PS, PDF, HTML) and actively contribute to building high-performance, scalable document generation solutions.

Main Responsibilities

• Develop and deliver multi-channel document solutions using OpenText Exstream
• Integrate Exstream with enterprise platforms and core business systems
• Upgrade, refactor, and optimize legacy templates using Exstream frameworks
• Build, maintain, and improve CI/CD pipelines using Jenkins and Groovy
• Diagnose, troubleshoot, and optimize performance in complex environments
• Collaborate closely with business stakeholders to translate requirements into technical solutions
• Mentor junior team members and promote engineering best practices

Technical Requirements (Must have)

• Strong commercial experience with OpenText Exstream
• Solid expertise in multi-channel document generation and composition
• Experience working with REST APIs
• Hands-on experience with CI/CD pipelines
• Practical knowledge of Jenkins and Apache Groovy
• Strong understanding of data transformation processes
• Experience working with multiple output formats (PS, PDF, HTML)
• Ability to work independently and deliver outcome-oriented solutions

Preferred Skills

• Solid understanding of document structure, architecture, and composition
• Experience working with XML and JSON data formats
• Exposure to related platforms and tools such as DocuShare and Eloqua
• Familiarity with Agile development methodologies
• Strong English communication skills, both written and spoken

Required Technical Skills

• OpenText
• REST API
• CI/CD
• Jenkins
• Groovy

Location & Work Model

• Remote from Poland
• Preferred location: Warsaw, Poland (alternative locations may be considered)
• Hybrid model: approximately 30% office / 70% remote, subject to agreement

Project Information

Profiles are uploaded directly to the client’s system. To proceed with the application, please ensure the following information is provided:

• CV must include full first and last name
• CV must list all companies where you have previously worked
• Notes section must include:
  • Your nationality
  • Visa or work permit validity date (if applicable)
  • Day and month of birth (required to generate an individual code)

All candidates must agree to undergo a mandatory identification verification process. This includes a one-time online verification of a government-issued photo ID (passport, ID card, or driver’s license).

Experience: 4+ years
Format: Full-time, remote
Location: Poland

About the Project

We are looking for a Test Automation Engineer to join an Agile squad working on the migration of legacy applications to a modern, event-driven, service-oriented architecture.

The role involves close collaboration with technical and business stakeholders and responsibility for defining and delivering an end-to-end testing approach across multiple projects within the squad.

Responsibilities

• Work as part of an Agile team delivering the migration of legacy systems to a modern, event-driven architecture
• Collaborate closely with Solution Architects, Product Owners, Technical Leads, application architects, and other stakeholders
• Design and implement end-to-end testing solutions covering both functional and non-functional requirements
• Build strong business and technical domain knowledge to support multiple initiatives
• Define estimation principles for different phases of the migration program
• Create, maintain, and present Test Strategies, proposing optimal and effective testing approaches
• Derive, review, execute, and maintain manual and automated test scenarios and test cases
• Manage defects end-to-end, including investigation and root cause analysis
• Identify, assess, and escalate risks and issues, proposing mitigation strategies
• Review test artefacts produced by team members to ensure quality, completeness, and accuracy
• Contribute to test reporting and continuous improvement of testing practices

Requirements

• Strong analytical skills with the ability to analyse information from documentation, systems, data, and stakeholders
• Proven experience defining both manual and automated test scenarios with proper documentation and traceability
• Hands-on experience with test automation using Java, UFT, and ADS
• Experience reviewing test artefacts to ensure quality and compliance with standards
• Ability to facilitate discussions and workshops on test approaches and risk mitigation
• Strong defect management and investigation skills
• Experience in analysis, system design, and development of distributed, multi-platform solutions
• Solid object-oriented design and Java development experience
• Experience with event-driven technologies, particularly Kafka and Kafka Streams
• Strong database testing experience, especially with Oracle
• Advanced SQL skills and experience validating data through queries
• Very strong experience working in Agile environments
• Practical knowledge of BDD and TDD practices
• Experience working with CI/CD pipelines (ADS)
• Strong understanding and hands-on experience with risk-based testing
• ISEB / ISTQB Foundation Certificate in Software Testing (mandatory)

Tech Stack

• Java
• Kafka

Domain: Banking & Finance
Experience: 5+ years
Start – End: February 16, 2026 – April 30, 2026(If the collaboration is successful, there is a strong possibility to extend the contract through the end of 2026)
Format: Full-time, remote
Location: Poland (with occasional business trips to Berlin, fully covered)

About the Project

We are looking for Senior Golang Developers to join the development of an MVP for a client in the banking and finance domain.
The initial engagement is planned from February to April. If the collaboration is successful, there is a strong possibility to extend the contract through the end of 2026.

The role is remote from Poland, with occasional on-site visits to the client in Berlin. All travel expenses are covered.

Responsibilities

• Design, develop, and maintain backend services using Golang
• Own key system components from idea to production
• Collaborate closely with product managers, architects, and engineering teams
• Participate in architectural decisions and technical discussions
• Ensure performance, reliability, and scalability of backend solutions
• Write clean, well-tested, and maintainable code
• Review code and mentor less experienced developers
• Debug, troubleshoot, and optimize existing systems

Requirements

• 5+ years of professional software development experience
• Strong hands-on experience with Golang in commercial projects
• Solid understanding of REST APIs and backend architectures
• Experience with microservices and distributed systems
• Experience working with SQL and/or NoSQL databases
• Familiarity with Docker and containerized environments
• Experience with cloud platforms (AWS, GCP, or Azure)
• Understanding of CI/CD pipelines
• Strong problem-solving skills and attention to detail
• Good communication skills and experience working in international teams
• Experience working in agile environments (Scrum, Kanban)
• Fluent English

Nice to Have

• Experience with Kubernetes
• Knowledge of event-driven architectures (Kafka, RabbitMQ, etc.)
• Experience building MVPs or working on greenfield projects

Tech Stack

• Golang
• Microservices
• REST APIs
• Cloud platforms

Project Duration: Long-term
Experience Required: 5+ years
Work Format: Full-time, Remote
Location: Remote from Poland

Job Overview

We are looking for an experienced Senior Full-Stack (Go,TypeScript) Developer to join a long-term project focused on building scalable, high-performance backend systems. The role involves working with modern technologies, microservices architecture, and cloud-native solutions in a distributed team environment.

Technical Requirements

• Strong hands-on experience with Go, including goroutines, channels, concurrency patterns, and memory management
• Solid knowledge of TypeScript, including modern language features and type safety
• Experience with TypeScript-based frameworks such as React, Angular, Node.js, NestJS
• Practical experience with Go frameworks (e.g. Gin, Echo)
• Good understanding of RESTful and GraphQL API design
• Experience working with microservices and distributed systems
• Familiarity with SQL and NoSQL databases and data modeling
• Experience using Git and CI/CD pipelines
• Strong understanding of software engineering principles and best practices
• Excellent problem-solving skills and attention to detail
• Good communication skills and ability to work in a team

Preferred Qualifications

• Experience working in SAFe environments
• Knowledge of cloud platforms and DevOps practices
• Experience with database optimization and management
• Understanding of security best practices (secure coding, OAuth, JWT, data encryption)
• Experience in Agile/Scrum teams
• Familiarity with testing frameworks and test automation

Soft Skills

• Strong analytical and problem-solving mindset
• Clear communication with both technical and non-technical stakeholders
• Team-oriented and collaborative approach
• Flexibility and adaptability to changing requirements and technologies
• Ownership mentality and proactive attitude
• High attention to code quality, readability, and maintainability

Required Technical Stack

• Golang
• TypeScript
• React
• Angular
• Node.js

Responsibilities

• Design, develop, and maintain scalable backend services using Go
• Build and integrate RESTful and/or GraphQL APIs
• Develop and support microservices-based architectures
• Analyze and optimize performance, memory usage, and concurrency
• Write unit, integration, and end-to-end tests
• Participate in CI/CD processes (build, test, deployment automation)
• Work with Docker and Kubernetes
• Maintain clear and up-to-date technical documentation
• Collaborate with product owners, architects, and development teams
• Ensure high code quality and compliance with best practices
• Optimize solutions for scalability, reliability, and performance

Company
The company’s core focus is lead generation in the iGaming domain, primarily through SEO-driven solutions. They work with long-term client projects and are currently expanding their internal development team.

Position
We are looking for a Lead / Senior Full-Stack Engineer(PHP/Wordpress/JS) to join an established front-end team. The role requires a senior-level engineer who can take ownership of complex tasks, contribute to technical decisions, and support overall code quality.

Full-time, long-term cooperation

Location
Remote
Candidates must be located within the EU time zone

Language
English – sufficient for regular communication with the team

Experience
5–10 years of commercial development experience

Team & Projects
You will join a stable, long-term team working on multiple client projects focused on lead generation platforms. The team already includes several front-end developers, and we are looking for a more senior specialist who can take ownership of complex tasks and support overall technical quality.

Tech Stack

• PHP (Symfony)
• WordPress
• JavaScript
• HTML / CSS

Key Requirements

WordPress (advanced level)

• Experience building complex WordPress-based systems (beyond simple blogs)
• Hands-on experience with WordPress Multisite
• Custom plugin development using:
  • Object-Oriented Programming
  • Composer / autoloading
  • Typed properties and variables
  • Custom database tables
• Experience creating custom caching solutions for high-performance systems
• Strong experience with WP_Query for complex queries
• Experience building custom tools to improve the WordPress developer or admin experience

PHP

• 5+ years of experience with modern PHP (8+)
• Experience with phpcs / phpcbf
• Experience defining custom sniffs or working with PHPParser / AST
• Experience with reflection and introspection
• Solid understanding and practical use of DTOs and Value Objects

General

• Experience working with Core Web Vitals and performance optimization

Hiring Process

• 1–2 interview stages
• Typically includes an initial screening interview followed by a technical interview

Start Date
ASAP

Tech Level: Senior
English Level: Upper-Intermediate
Employment Type: Full-time
Location: Poland
Time Zone: CET
Start Date: ASAP
Planned Duration: 12+ months
 

Customer Overview

Our client is one of the top five global management consulting firms and is widely regarded as one of the most prestigious in the industry. Their platforms and services are trusted by hundreds of Fortune 500 companies, including major financial institutions, global media companies, technology leaders, and federal government organizations.

Project Overview

The project is focused on developing and enhancing digital solutions that support investment firms across the entire investment lifecycle — from strategic planning to value creation.

A key part of the project is an internal expert research platform that allows consultants to securely find, engage, and collaborate with external industry experts, delivering high-quality insights for active consulting engagements.

Project Stage: Active development

Team: Large, cross-functional team with multiple roles

Responsibilities

• Take full ownership of the platform’s cloud infrastructure
• Design, build, and scale AWS infrastructure from scratch
• Implement and maintain Infrastructure as Code using Terraform
• Manage and optimize AWS services, networking, and security
• Deploy and support containerized workloads using Amazon ECS
• Ensure high availability, scalability, performance, and cost efficiency
• Set up and maintain CI/CD pipelines and deployment processes
• Implement monitoring, logging, alerting, and incident response practices
• Ensure infrastructure security, access management, and compliance standards
• Collaborate closely with engineering and product teams
• Support and integrate data infrastructure components, including Databricks
• Continuously improve infrastructure reliability and developer experience
• Own DevOps processes with the potential to grow into a lead role

Required Skills

• Strong hands-on experience with AWS services (EC2, S3, IAM, VPC)
• Proficiency with Terraform for Infrastructure as Code
• Practical experience with Amazon ECS
• Proven ability to design and maintain scalable cloud infrastructure
• Strong independence and ability to work in a fast-paced environment
   

Soft Skills

• High level of ownership and accountability
• Ability to work autonomously with minimal supervision
• Proactive and solution-driven mindset
• Strong problem-solving and decision-making skills
• Clear communication with both technical and non-technical stakeholders
• Ability to prioritize tasks in a dynamic environment
• Willingness to take on leadership responsibilities over time

Technology Stack

AWS (EC2, S3, IAM, VPC), Terraform, Amazon ECS, Docker, CI/CD pipelines, Databricks, CloudWatch, Monitoring & Logging, Infrastructure as Code

Interview Process

• English proficiency check (15 minutes)
• Internal technical interview (1–1.5 hours)
• Client interview (1 hour)

Additional Information

The candidate must be employed at 0.125 FTE under an employment contract (UoP) with our company and additionally engaged under a service contract (B2B or mandate contract).