Test Automation Engineer / QA Lead

🏢 Summary: QA Lead role focused on designing and implementing automated testing solutions using Python and Robot Framework within CI/CD environments. The position involves test planning, execution, regression automation, and data validation across distributed and cloud-based systems. The role also includes process improvement and collaboration within Agile teams. 🗂️ Requirements: 7+ years of experience in Python development, 7+ years of experience with database technologies, 5+ years of experience with Git, 4+ years of experience with Robot Framework, 4+ years of experience with CI/CD tools (e.g. Jenkins), Strong experience with Linux environments and Bash scripting, Experience with test management tools (e.g. qTest, Zephyr), Hands-on experience with Jenkins or Bamboo, Jira and Bitbucket, Ability to write and analyze complex SQL queries, Familiarity with distributed data processing frameworks (e.g. Spark), Knowledge of Hadoop ecosystem (e.g. Hive, Oozie, MapReduce), Basic knowledge of AWS architecture components (e.g. Lambda, Step Functions) 📃 Skills: Python, RobotFramework, Git, Jenkins, Bamboo, Linux, Bash, SQL, Spark, Hadoop, Hive, Oozie, MapReduce, AWS, Lambda, StepFunctions, StateMachines, qTest, Zephyr, Jira, Bitbucket, Docker, Kafka, IBMMQ, Scala, Databases, CI/CD 🏢 Description: As a recruitment company, DCG understands that every business is powered by experienced professionals. Our management style and partnership approach enable us to meet your needs and provide continuous support. Due to our ongoing growth and the large number of recruitment projects we undertake for our partners, we are currently looking for: QA Lead Responsibilities: Requirement analysis and questioning requirements when they are not clear Test scenario and test case preparation Test data preparation Implement test automations scripts in Robot Framework and Python Implement automated solutions for data to day tasks Test planning and test execution Test results analysis and defect reporting Execute automated regression using CI/CD Identify and implement improvements in day to day process, tasks and challenges Requirements: 7+ years of experience in Python development 7+ years of experience working with database technologies 5+ years of experience with Git 4+ years of experience with Robot Framework 4+ years of experience with CI/CD tools (e.g. Jenkins) Strong experience working with Linux environments and Bash scripting Strong analytical thinking and problem‑solving skills, including the ability to identify inefficiencies and propose improved solutions Experience working with test management tools (e.g. qTest, Zephyr) Hands‑on experience with tools such as: Jenkins or Bamboo, Jira and Bitbucket Strong communication skills and ability to collaborate with developers, analysts, Product Owners, and Scrum Masters Familiarity with distributed data processing frameworks (e.g. Spark) Knowledge of the Hadoop ecosystem (e.g. Hive, Oozie, MapReduce) Ability to write and analyze complex SQL queries Basic knowledge of AWS architecture components (e.g. Lambda, Step Functions, State Machines) Strong analytical and problem‑solving skills, with the ability to work effectively in fast‑paced environments Ability to collaborate effectively in Agile (SAFe) environments and deliver results through teamwork Curiosity and responsiveness, with the ability to understand stakeholder needs and ensure delivery of expected outcomes Strong focus on quality, with a continuous improvement mindset High level of self‑motivation, proactivity, and ownership Nice to have: Experience with containerization (Docker) Knowledge of streaming and messaging technologies (e.g. Kafka, IBM MQ) Exposure to Scala / Spark Offer: Private medical care Co-financing for the sports card Constant support of dedicated consultant Employee referral program

🏢 Summary: The role focuses on QA Test Automation with responsibility for monitoring production environments, ensuring system stability, and supporting releases in AWS-based infrastructure. The position involves developing and maintaining observability solutions, automating tests, and collaborating with technical teams during deployments and incident response. The candidate will also participate in on-call duties and contribute to CI/CD and DevOps practices. 🗂️ Requirements: Experience with AWS services (EC2, ECS, Lambda, CloudWatch), Hands-on experience with ELK Stack and Grafana, Experience with GitHub and CI/CD tools, Experience with Cypress, Playwright or Postman, Experience with SQL Server, Basic knowledge of Terraform, Experience supporting releases and deployments, English proficiency minimum B2 📃 Skills: AWS, EC2, ECS, Lambda, CloudWatch, ELK, Grafana, GitHub, GitHubActions, OctopusDeploy, Cypress, Playwright, Postman, SQL, SQLServer, Terraform, CI/CD 🏢 Description: As a recruitment company, DCG understands that every business is powered by experienced professionals. Our management style and partnership approach enable us to meet your needs and provide continuous support. Due to our ongoing growth and the large number of recruitment projects we undertake for our partners, we are currently looking for: QA Test Automation Responsibilities: Monitoring production environments and ensuring system stability Developing and maintaining monitoring and observability solutions (ELK) Supporting release processes and deployments On-call duties during releases (at least once a month): ongoing production monitoring, identifying issues, and responding to incidents promptly Collaborating with client-side technical teams and internal project teams Requirements: Experience with AWS services (EC2, ECS, Lambda, CloudWatch) Hands-on experience with ELK Stack and Grafana for monitoring and observability Experience with version control and CI/CD tools (GitHub, GitHub Actions, Octopus Deploy) Experience with test automation tools (Cypress, Playwright, Postman) Experience working with SQL Server Basic knowledge of DevOps tools and practices (e.g., Terraform) Experience supporting release processes and deployments English proficiency at minimum B2 level, with strong verbal communication skills Proactive, "can-do" attitude Strong sense of ownership and responsibility for production environment stability Good communication skills and ability to work effectively in a team Offer: Private medical care Co-financing for the sports card Constant support of dedicated consultant Employee referral program

🏢 Summary: The offer is for a Senior Test Automation Engineer responsible for building and optimizing automated testing processes within a Continuous Delivery environment. The role focuses on developing scalable test automation frameworks in Java, integrating them with CI/CD pipelines, and ensuring high software quality through close collaboration with development and DevOps teams. The position involves REST API testing, database validation, and maintaining robust automation solutions. 🗂️ Requirements: 3+ years of experience with Java-based test automation frameworks, 3+ years of experience with REST API testing, 3+ years of experience with Java and Maven or similar build tools, 3+ years of experience writing SQL queries, 3+ years of experience working with databases, Experience with CI/CD tools such as Jenkins or Bamboo, Hands-on experience with Git and Bitbucket, Experience using Jira, Experience working in Continuous Delivery or Agile environments 📃 Skills: Java, Selenium, REST, SQL, Maven, Jenkins, Bamboo, Git, Bitbucket, Jira, Databases, CI/CD, TestAutomation 🏢 Description: As a recruitment company, DCG understands that every business is powered by experienced professionals. Our management style and partnership approach enable us to meet your needs and provide continuous support. Due to our ongoing growth and the large number of recruitment projects we undertake for our partners, we are currently looking for: Senior Test Automation Engineer Responsibilities: Build and manage test processes within our continuous delivery environment, ensuring seamless integration with development workflows Automate test processes wherever possible, creating robust, maintainable, and scalable testing solutions Collaborate closely with Development, DevOps, and Product Management teams in a fast-paced Continuous Delivery environment Handle test data preparation, management, and automation for complex scenarios Analyze test results and manage defect reporting to maintain high-quality standards across all deliveries Implement Selenium libraries as extensions to Java Framework, enhancing our testing capabilities and understanding of patterns such as the Page Object Model Build and maintain CI/CD pipelines specifically designed for test libraries and automation frameworks Identify and implement process improvements and automation solutions for day-to-day testing challenges Requirements: 3+ years of hands‑on experience with test automation frameworks based on Java (or similar), including REST API testing 3+ years of experience with Java (Maven or similar build tools) and SQL queries 3+ years of practical experience working with database technologies Experience with CI/CD tools, such as Jenkins or Bamboo Hands‑on experience with development and collaboration tools, including Jira, Bitbucket, and Git Strong ability to analyze complex systems and identify quality risks Strong analytical and problem‑solving skills, with the ability to work effectively in fast‑paced environments Ability to collaborate in Agile / Continuous Delivery environments and deliver results through teamwork Strong sense of ownership for quality outcomes and commitment to continuous improvement Ability to handle complex technical challenges and drive testing solutions Fluent English with strong written and verbal communication skills Nice to have: Experience with DevOps practices, including Continuous Integration and containerization (Docker) Experience in large‑scale testing, including automated functional and non‑functional testing Experience working with Atlassian tools (Confluence, Jira) Understanding of financial services environments ISTQB Foundation Certificate Offer: Private medical care Co-financing for the sports card Constant support of dedicated consultant Employee referral program

🏢 Summary: Test Automation Engineer role focused on API testing, automated test development, and quality assurance within a scrum team using Python and Robot Framework. The position involves designing and executing test cases, maintaining automated test suites, and collaborating with developers and stakeholders in a DevOps-oriented environment. 🗂️ Requirements: Experience with RESTful API testing, Strong Python skills, Experience with Robot Framework, Knowledge of Jenkins, Knowledge of Git, Knowledge of Docker, Knowledge of Kubernetes, ISTQB Foundation Level knowledge or equivalent, Knowledge of manual and automated QA processes, English communication skills 📃 Skills: Python, Robot, REST, Jenkins, Git, Docker, Kubernetes, ISTQB, QA, API 🏢 Description: As a recruitment company, DCG understands that every business is powered by experienced professionals. Our management style and partnership approach enable us to meet your needs and provide continuous support. Due to our ongoing growth and the large number of recruitment projects we undertake for our partners, we are currently looking for: Test Automation Engineer Responsibilities: Work closely in a scrum team with developers, analysts and stakeholders to ensure high quality Test and validate Restful APIs Analyse requirements from testing point of view Test cases planning, design and execution Build and maintain automated test suites using Python and Robot Framework Provide test results Participate in testing team activities and contribute to organizational quality initiatives Requirements: Proven experience with RESTful API testing tools and methodologies Strong Python programming skills for test development Hands-on expertise with Robot Framework automation Familiarity with modern DevOps tools (Jenkins, Git, Docker, K8s) ISTQB Foundation Level knowledge (or equivalent practical experience) Knowledge of QA processes (both manual and automated) Excellent communication skills in English (spoken and written) Nice to have: Understanding and basic knowledge with Java code Growth mindset with passion for continuous learning and improvement Team player who actively contributes to collective success and efficiency improvements Offer: Private medical care Co-financing for the sports card Constant support of dedicated consultant Employee referral program

🏢 Summary: The offer is for a Senior QA Engineer responsible for designing and executing automated and integration tests for web applications, supporting UAT processes, and ensuring high quality across deployments. The role involves close collaboration with development teams, analysis of static code results, and active use of AI tools in daily QA workflows. The position requires strong involvement in CI/CD processes and validation of complex application features. 🗂️ Requirements: Daily use of AI tools (Cursor, Claude Code) for test writing, log analysis, test case generation, Experience in automated testing (unit, integration), Experience with at least one automation tool: Cypress, Playwright, Pytest or similar, Experience in testing web applications (UI logic, state management, user flows, access control), Understanding of CI/CD pipelines in QA context, Ability to execute system integration and regression tests, Experience in bug reporting and verification, Fluent English for collaboration and reporting 📃 Skills: AI, Cursor, Claude, Cypress, Playwright, Pytest, CI/CD, SAST, ARR, Testing, Automation, Web, UAT 🏢 Description: As a recruitment company, DCG understands that every business is powered by experienced professionals. Our management style and partnership approach enable us to meet your needs and provide continuous support. Due to our ongoing growth and the large number of recruitment projects we undertake for our partners, we are currently looking for: Senior QA Engineer Responsibilities: Design and implementation of automated tests (unit and integration) for new and modified components Execution of system integration tests (SIT) covering the entire application Support for UAT tests conducted by the team in the U.S.: setting up environments, preparing test data, and triaging issues and bugs Configuration and validation of the QA environment Performing regression tests after each deployment Analyzing the results of static code analysis (ARR/SAST) and collaborating with the development team to resolve issues Reporting bugs, monitoring their status, and verifying fixes in the production environment Requirements: AI as a core part of your workflow — daily use of tools such as Cursor or Claude Code for: writing tests, analyzing logs, and generating test cases Experience with test automation (unit, integration) — familiarity with at least one of the following tools: Cypress, Playwright, Pytest, or similar Experience in testing web applications: UI logic, state management, user flows, and access control and roles Understanding of CI/CD in the context of QA: triggering pipelines, test reports, and pre-deployment validation Fluent English (bug reporting, collaboration with the US team during UAT) Nice to have: Experience with static code analysis tools (SAST, linting in pipelines) Experience testing AI/ML features: validation of non-deterministic results and visual regression testing Experience testing canvas/diagramming applications Experience in enterprise environments with formal UAT and code acceptance processes Offer: Private medical care Co-financing for the sports card Training & learning opportunities Constant support of dedicated consultant Employee referral program

🏢 Summary: Senior Test Automation Engineer role focused on automated and manual testing for UI and backend layers in large, complex systems. The position involves designing and executing test plans, maintaining quality standards, and monitoring performance using testing and observability tools. The offer includes private medical care, sports card co-financing, and dedicated consultant support. 🗂️ Requirements: Strong experience with Java, Experience with Java-based test automation, Knowledge of Selenium, Experience with API testing, Experience with test automation frameworks, Experience with test tools and test management tools, Experience with relational databases, Experience working in Linux environment, Ability to automate UI and backend tests, Ability to perform automated and manual testing, Experience in test planning and execution, Understanding of testing in large systems and complex integrations, Experience in non-functional testing, ISTQB Foundation Level knowledge, Very good English skills 📃 Skills: Java, Selenium, Playwright, Robot, qTest, API, Linux, SQL, JMeter, Cucumber, Splunk, Grafana, GitHub, ISTQB 🏢 Description: As a recruitment company, DCG understands that every business is powered by experienced professionals. Our management style and partnership approach enable us to meet your needs and provide continuous support. Due to our ongoing growth and the large number of recruitment projects we undertake for our partners, we are currently looking for: Senior Test Automation Engineer (Java) Responsibilities: Ensure test activities are executed according to latest version of company's Test Strategy Perform test automation for UI and backend layers Plan testing activities and create test plans Analyze and design test cases Prepare and manage test data Execute tests (automated and manual) Maintain high quality standards for release train Support manual testing when required Monitor functionality and performance using tools (Splunk, Grafana) Requirements: Strong experience with Java and Java-based test automation Experience with test automation frameworks (Java mandatory) Knowledge of Selenium and/or Playwright or Robot Framework Experience with test tools and test management tools (e.g. qTest) Experience with API testing Familiarity with low latency solutions General testing knowledge at ISTQB Foundation Level Experience with Java ecosystem Experience with relational databases Experience working in Linux environment Ability to automate tests on UI and backend level Ability to perform both automated and manual testing Experience in test planning and test execution Understanding of testing in large systems and complex integrations Experience in non-functional testing (performance, stress, security) Very good command of English, both spoken and written Nice to have: Experience with Robot Framework or Playwright Knowledge of Payments, Cards or Fraud domain Experience in fraud monitoring or fraud-related systems Familiarity with JMeter Experience with Cucumber Experience with Splunk and Grafana for monitoring Experience with GitHub Copilot Offer: Private medical care Co-financing for the sports card Constant support of dedicated consultant Employee referral program

🏢 Summary: The offer is for a Test Automation Engineer with strong Python expertise to design and maintain automated tests for end-to-end payment flows. The role focuses on API and UI test automation using Robot Framework within Agile/SAFe environments, with involvement in framework development and continuous improvement of testing processes. The position also includes collaboration with cross-functional teams and support for CI/CD and version control practices. 🗂️ Requirements: Minimum 5 years of experience in test automation or software testing, Strong proficiency in Python programming, Hands-on experience with Robot Framework, Experience with API test automation, Experience with UI test automation, Good understanding of software testing principles and methodologies, Experience working in Agile/SAFe environments, Familiarity with Git version control, Fluency in English (written and spoken) 📃 Skills: Python, Robot, API, UI, Git, Jenkins, Kafka, Splunk, Jira, qTest, CI/CD, SAFe 🏢 Description: As a recruitment company, DCG understands that every business is powered by experienced professionals. Our management style and partnership approach enable us to meet your needs and provide continuous support. Due to our ongoing growth and the large number of recruitment projects we undertake for our partners, we are currently looking for: Test Automation Engineer with Python Responsibilities: Analyse requirements and define appropriate test scenarios for end-to-end payment flows Design, implement, and maintain automated test cases using Python and Robot Framework Perform API and UI test automation across multiple applications Execute automated tests and analyse test results Investigate failed tests and support root cause analysis Design, develop, and improve test automation frameworks Collaborate with developers, testers, business analysts, and other stakeholders Support testing activities within Agile/SAFe delivery setup Maintain test code in version control systems such as Git Contribute to continuous improvement of testing processes and automation practices Requirements: Minimum 5 years of experience in test automation or software testing Strong proficiency in Python programming Hands-on experience with Robot Framework for test automation Experience with API and UI test automation Good understanding of software testing principles and methodologies Experience working in Agile/SAFe environments Familiarity with version control systems, especially Git Ability to work effectively in cross-functional teams Analytical mindset and good problem-solving skills Strong communication skills and proactive approach to daily work Fluency in English (both written and spoken) Nice to have: Experience with Jenkins CI/CD pipelines Knowledge of Kafka message streaming platform Experience with Splunk for log analysis and monitoring Experience with Jira and qTest Background in building test automation frameworks from scratch Experience with release management processes Previous experience in banking, financial services, or payments domain Offer: Private medical care Co-financing for the sports card Constant support of dedicated consultant Employee referral program

🏢 Summary: The offer is for a Senior IT Test Automation Engineer responsible for designing and maintaining advanced test automation frameworks in a microservices environment. The role involves automated testing of distributed systems and REST APIs, database validation, and active contribution to CI/CD and DevOps practices within Agile/SAFe teams. The position focuses on building scalable automation solutions and ensuring high software quality across complex architectures. 🗂️ Requirements: Strong experience in test automation and maintenance, Ability to design test strategies and test plans, Proficiency in Java 21+, Experience building test automation frameworks from scratch, Knowledge of microservices architecture, Experience testing distributed systems, Experience with REST API testing, Understanding of HTTP protocols, Proficiency in SQL and NoSQL databases, Experience with MySQL, PostgreSQL, MongoDB, Experience with test data preparation and management, Knowledge of Agile, SAFe, CI/CD, DevOps 📃 Skills: Java, OOP, DesignPatterns, Microservices, REST, HTTP, SQL, NoSQL, MySQL, PostgreSQL, MongoDB, CI/CD, DevOps, Agile, SAFe 🏢 Description: As a recruitment company, DCG understands that every business is powered by experienced professionals. Our management style and partnership approach enable us to meet your needs and provide continuous support. Due to our ongoing growth and the large number of recruitment projects we undertake for our partners, we are currently looking for: Senior IT Test Automation Engineer Responsibilities: Design, develop, and maintain test automation frameworks and solutions Analyze requirements and create comprehensive test plans, test cases, and test scenarios Perform automated testing of applications, including maintenance and optimization of existing test suites Test microservices-based architectures, ensuring proper validation of service interactions and dependencies Validate and test RESTful APIs, including endpoints, HTTP methods, headers, and status codes Prepare and manage test data, ensuring proper coverage and data quality Work with SQL and NoSQL databases (e.g., MySQL, PostgreSQL, MongoDB) for data validation and testing Collaborate within Agile/SAFe teams, contributing to CI/CD and DevOps practices Support continuous improvement of test processes and automation practices Requirements: Strong experience in test automation and maintenance Ability to analyze requirements and design effective test strategies Proficiency in Java (version 21 or higher) with solid understanding of OOP and design patterns Experience in building test automation frameworks from scratch Strong knowledge of microservices architecture and experience in testing distributed systems Experience with REST API testing and understanding of HTTP protocols Proficiency in SQL and NoSQL databases (MySQL, PostgreSQL, MongoDB) Experience with test data preparation and management Knowledge of Agile, SAFe, CI/CD, and DevOps methodologies Good spoken and written English Nice to have: ISTQB certifications (Agile, Foundation Level, or Test Automation Engineer) or willingness to obtain them Offer: Private medical care Co-financing for the sports card Constant support of dedicated consultant Employee referral program

🏢 Summary: Senior QA Engineer role focused on API and test automation in an Agile/Scrum environment, with responsibilities including Playwright and Cucumber-based testing, manual testing support, and collaboration with analysts and product owners. The offer includes private medical care, sports card co-financing, consultant support, and an employee referral program. 🗂️ Requirements: Minimum 3 years of experience with Playwright, Experience with Typescript or JavaScript, Experience with Cucumber and Java for API testing, Experience with JIRA, Experience with qTest, Knowledge of GIT or Bitbucket, Experience working in Agile/Scrum teams, Understanding of frontend testing and test pyramid, Ability to document and reproduce defects, Fluent English 📃 Skills: Playwright, Typescript, JavaScript, Cucumber, Java, JIRA, qTest, GIT, Bitbucket, Scrum, Agile, Cypress, Selenium, RestAssured 🏢 Description: As a recruitment company, DCG understands that every business is powered by experienced professionals. Our management style and partnership approach enable us to meet your needs and provide continuous support. Due to our ongoing growth and the large number of recruitment projects we undertake for our partners, we are currently looking for: Senior QA Engineer Responsibilities: Supporting API testing activities (review and write) Cooperating closely with Business Analysts and Product Owners to understand requirements and define test coverage Supporting manual testing (~30%) Working effectively in a Scrum team and contributing to agile ceremonies Requirements: Strong hands-on experience (minimum 3 years) with test automation tools: Playwright + Typescript (or JavaScript), Cucumber with Java (for API testing) Experience working with JIRA and qTest Knowledge of GIT or other version control systems (e.g. Bitbucket) Very good communication skills and ability to collaborate across roles (developers, analysts, Product Owners) Ability to identify, reproduce, and clearly document defects Ability to challenge assumptions and uncover edge cases Solid understanding of frontend testing and the test pyramid Proven track record of working in Agile/Scrum teams Strong attention to detail and a quality-first mindset Analytical thinking and a structured approach to problem-solving Proactive attitude and ownership of assigned tasks Fluent in English (spoken and written) Nice to have: Experience with JavaScript and Cypress in writing automated test cases Experience with Selenium in writing automated test cases Experience with RestAssured in writing automated API test cases Offer: Private medical care Co-financing for the sports card Constant support of dedicated consultant Employee referral program

🏢 Summary: Senior Test Automation Engineer role focused on planning and executing manual and automated testing activities using Python and Robot Framework in an Agile environment. The position involves creating automated test cases, maintaining test frameworks, supporting defect management, and collaborating with stakeholders to improve testing efficiency. The offer includes private medical care, sports card co-financing, and dedicated consultant support. 🗂️ Requirements: Minimum 5 years of testing experience, Experience with Python, Experience with Robot Framework, Knowledge of XML, Knowledge of CSV, Knowledge of JSON, Basic knowledge of Jenkins, Basic knowledge of Bamboo, Understanding of Git flow, Understanding of Agile development, Experience with MSSQL, Ability to write SQL queries, Experience with JIRA, Experience with Confluence, Knowledge of HTTP protocols, Experience with JUnit, Experience with TestNG, Experience with Cucumber, Very good English skills 📃 Skills: Python, RobotFramework, XML, CSV, JSON, Jenkins, Bamboo, Git, Agile, MSSQL, SQL, JIRA, Confluence, HTTP, JUnit, TestNG, Cucumber, Gherkin 🏢 Description: As a recruitment company, DCG understands that every business is powered by experienced professionals. Our management style and partnership approach enable us to meet your needs and provide continuous support. Due to our ongoing growth and the large number of recruitment projects we undertake for our partners, we are currently looking for: Senior Test Automation Engineer (Python / Robot Framework) Responsibilities: Plan, coordinate, control, and ensure execution of test activities at initiative level following Nordea standards Evaluate test results and support decision-making in test-related processes Create and maintain test documentation and report test execution progress in Qtest Document test results and support defect management Implement manual and automated test cases and improve test frameworks Create and execute test cases according to project deadlines Provide testing support for resolving production issues Utilize best practices in test tools and testing processes Write automated test cases using Gherkin or similar language Collaborate with stakeholders and capability/function leads in testing activities Analyze requirements and prepare test data, environments, and service virtualization Increase test efficiency at team level through proper test setup and execution Requirements: Minimum 5 years of hands-on testing experience Knowledge of file formats: XML, CSV, JSON Experience with Python and Robot Framework Basic knowledge of CI tools (Jenkins, Bamboo) Understanding of Git flow Understanding of Agile software development Strong analytical and problem-solving skills Experience working with databases ( MSSQL ) and writing SQL queries Experience with Atlassian tools: JIRA, Confluence Knowledge of HTTP protocols Experience with Java-based testing frameworks (JUnit, TestNG, Cucumber) Very good command of English , both spoken and written Nice to have: ISTQB Foundation certification Offer: Private medical care Co-financing for the sports card Constant support of dedicated consultant Employee referral program