1/10/2026

Take the lead in one of the most demanding data environments in the Banking sector. We are looking for a Senior Data Engineer to join a global consulting powerhouse and serve as a technical anchor for high-impact projects.

This is a unique opportunity to combine your deep technical knowledge with a consulting mindset. You will oversee critical data operations, ensure system enablement, and provide the technical "green light" for complex Risk IT implementations.

What’s in it for you:

• Competitive remuneration package.
• Hybrid work model.
• Private health insurance.
• Continuous training and exposure to global best practices.

As a Senior Data Engineer, you will initially immerse yourself in the bank’s data landscape, managing operations and enablement tasks.

Your Key Responsibilities:

• Lead the design, optimization, and maintenance of on-premise MS SQL data structures.
• Drive operations & enablement initiatives to ensure system stability and performance within the bank.
• Support high-stakes projects within the Risk IT domain, ensuring data integrity and technical excellence.

What we are looking for:

• University degree in Computer Science, Software Engineering, or a related field.
• 4+ years of experience in Data Engineering
• Proven experience in both on-premise and cloud environments.
• Previous experience in the Banking sector, specifically within Risk IT (Credit Risk, Market Risk, etc.) will be considered as.
• Excellent communication skills in English; ability to influence and guide technical stakeholders.
• Analytical thinking and the ability to thrive in a high-compliance, consulting environment.

4+ years of experience in Data Engineering

Got any questions regarding this position? You can contact Konstantinos Adamopoulos at 6940080281, from Monday to Friday. Otherwise, feel free to contact me at kadamopoulos@randstad.gr.

We look forward to receiving your application, uploading your updated CV by clicking the 'apply now' option.

In case that your application advances to the next stage, you may be automatically invited to submit a video, answering a few interview questions.

Please note that for transparency and equity reasons, only those applications made online via our site will be assessed. After the screening of all the CVs received, we will only contact the candidates who meet the requirements of the job to arrange an interview. ​All applications are considered strictly confidential.

1/10/2026

Are you a seasoned software architect ready to shape the target-state integration architecture for large-scale banking transformation projects? We are looking for a Senior Application Architect to join a premier financial technology institution dedicated to revolutionizing the global financial landscape. 

In this role, you will lead the end-to-end integration architecture for core banking products, driving digital transformation, technical governance, and DevSecOps strategies. If you thrive on defining platform standards, designing API-led and event-driven architectures, and steering high-stakes financial operations, this is your next career milestone.

You will join a fast-paced, prestigious tech environment that prioritizes integrity, continuous learning, and digital innovation. In return, you will receive: 

• A competitive remuneration package reflecting your senior expertise. 
• Unlimited access to cutting-edge e-learning platforms and continuous technical growth. 
• The opportunity to lead high-impact financial strategies and revolutionize digital banking infrastructures.

As our Senior Application Architect, you will own the architectural vision and guide cross-functional teams to deliver secure, scalable integration solutions. Your key responsibilities will include: 

• Architecture Vision & Governance: Define and govern platform architecture, design standards, and the target-state integration architecture vision. 
• Security & Auth Standards: Establish robust standards for Authentication and Authorization (RBAC, SSO/IdP), security, audit trails, and fallback behaviors. 
• DevSecOps & Environment Strategy: Oversee DevSecOps pipeline design (CI/CD, deployment automation), environment strategies, and secure integration sign-offs. 
• Technical Oversight: Provide architecture governance during SIT, NFRT, and UAT phases while leading production deployment planning. 
• Team Leadership & Liaison: Delegate detailed integration design artefacts to Integration Architects, mentor development teams, and act as the primary liaison with client enterprise architecture teams.

To succeed in this senior-level role, you should possess a deep foundation in solution architecture along with strong leadership capabilities. We are looking for: 

• Senior Experience: 5+ years of hands-on experience in solution/application architecture, specifically driving end-to-end integration architecture within banking or financial services. 
• Integration Expertise: Proven mastery of integration design patterns, including API-led, event-driven, and orchestration architectures. 
• Banking Domain & Governance: Strong familiarity with core banking systems, architecture governance, review board facilitation, and producing sign-off artefacts. 
• Education & Languages: Bachelor’s degree in Information Technology, Computer Science, or a related field, with full fluency in both English and Greek. 
• Soft Skills: Exceptional decision-making, ability to resolve technical conflicts under pressure, and strong leadership to guide client and internal stakeholders. 
• Nice-to-have / Preferred

While not mandatory, the following qualifications will give your application a strong advantage:

• Prior experience interfacing directly with enterprise-level client architecture boards. 
• Proven track record of mentoring junior and mid-level integration architects.

5+ years hands-on experience in solution/application architecture

Got any questions regarding this position? You can contact Konstantinos Adamopoulos at 6940080281, from Monday to Friday. Otherwise, feel free to contact me at kadamopoulos@randstad.gr.

We look forward to receiving your application, uploading your updated CV by clicking the 'apply now' option.

In case that your application advances to the next stage, you may be automatically invited to submit a video, answering a few interview questions.

Please note that for transparency and equity reasons, only those applications made online via our site will be assessed. After the screening of all the CVs received, we will only contact the candidates who meet the requirements of the job to arrange an interview. ​All applications are considered strictly confidential.

1/10/2026

Are you a detail-oriented data engineer ready to drive the technical governance behind a massive enterprise transformation? We are seeking an experienced Migration Engineer to join the IT department of ZeniΘ, a retail energy company operating in a highly regulated and controlled environment.

In this role, you will act as the internal technical counterpart for the data migration activities performed by an external implementation partner. You will be responsible for monitoring, coordinating, reviewing, validating, and following up on migration activities throughout the migration lifecycle, ensuring that agreed requirements, data quality standards, timelines, and technical specifications are properly met.

The successful candidate will work closely with internal business and technical teams, Data Engineers, Business Analysts, system owners, and the external migration vendor to provide technical oversight and ensure the successful execution of migration activities. You will support the review of migration approaches, source-to-target mappings, transformation rules, data quality results, reconciliation activities, testing, migration rehearsals, cutover activities, and post-go-live validation.

The role requires strong technical and analytical capabilities, with a particular focus on data migration, SQL, data validation, system integration, and stakeholder coordination. While the external implementation partner will perform the primary migration execution activities, the Migration Engineer will ensure appropriate internal oversight, technical governance, quality assurance, and timely resolution of migration-related issues.

The company values expertise and provides an environment where you can truly own the strategic vision and drive impactful corporate evolution. In return, you will receive: 

• A competitive remuneration package.
• Hybrid Working Schedule
• Monthly ticket restaurant, besides the salary package
• Monthly wellness allowance
• Employees’ discount program on company’s products (gas,electricity)
• Welcome pack with all the necessary IT equipment
• Multinational, friendly, and free of any kind of discrimination workingenvironment
• Career growth opportunities upon performance appraisal
• Ongoing training funded by the company

ZeniΘ is committed to providing a safe, flexible and respectful environment for all employees and clients, free from all forms of discrimination, bullying and sexual harassment. The aim is for our workforce to be truly representative of all sections of society and our customers, and for each employee to feel respected and able to give their best, regardless of race, ethnicity, color, religion, creed, gender, pregnancy, national origin, nationality, age, physical and mental disability, marital status, sexual orientation, and any other characteristic.

As the Migration Engineer, you will oversee and validate end-to-end data migration lifecycles delivered by external implementation partners. Your core responsibilities will include: 

• Act as the primary internal technical point of contact for the external implementation partner,coordinating and monitoring migration activities throughout the project lifecycle.
• Review and validate the migration approach, technical designs, migration plans, source-to-targetmappings, transformation rules, and implementation deliverables.
• Collaborate with internal business and technical stakeholders to analyze legacy CRM and Billingsystems, document migration requirements, and ensure effective communication with the implementationpartner.
• Monitor and validate data extraction, transformation, loading, and migration activities, ensuring datacompleteness, accuracy, consistency, integrity, and quality.
• Perform and support data profiling, data quality assessments, reconciliation activities, and independentvalidation using SQL and other appropriate techniques.
•  Monitor migration defects, data discrepancies, risks, issues, and dependencies, coordinating theirinvestigation, resolution, and timely escalation.
• Support the planning and execution of migration testing, including integration testing, UAT, mockmigrations, end-to-end rehearsals, and validation of test results.
• Support cutover and go-live activities, including migration monitoring, stakeholder coordination, riskmanagement, and post-migration validation and reconciliation.
• Ensure appropriate migration documentation, testing evidence, reconciliation reports, and technicalspecifications are maintained in compliance with data governance, security, and audit requirements.
• Participate in project governance activities and provide regular updates on migration progress, risks,issues, quality, and outstanding actions.

To excel in this position, you should bring strong technical analytical capabilities paired with hands-on expertise in relational databases and data migration lifecycles. We are looking for: 

• Strong understanding of data migration methodologies, lifecycle activities, and project deliveryapproaches (Agile, Waterfall, or hybrid).
• Strong technical and analytical skills with the ability to understand complex data structures, systems,and business processes.
• Ability to critically review and challenge migration approaches, technical designs, data mappings, andmigration results.
• Strong experience in data validation, reconciliation, data quality assessment, and investigation of datadiscrepancies.
• Strong organizational skills with the ability to coordinate multiple migration activities, deliverables, risks,and dependencies.
• Proven ability to collaborate effectively with internal stakeholders, technical teams, and external vendorsor implementation partners.
• Strong ownership, accountability, attention to detail, and ability to deliver under tight deadlines andcritical go-live conditions.
•  Excellent communication and interpersonal skills, with strong written and verbal English.

Educational Level:

• Bachelor’s Degree in Computer Science, Information Systems, Data Science, Engineering, or a relatedtechnical field.
• Master's Degree in Information Systems, Data Science, Business Analytics, Engineering, or TechnologyManagement will be considered an asset.

Other Knowledge:

• Strong knowledge of SQL and relational databases.
• Hands-on experience with data analysis, data profiling, data validation, and data reconciliation.
• Strong understanding of ETL/ELT processes and data integration concepts.
• Experience reviewing and validating source-to-target data mappings and transformation rules.
• Familiarity with CRM, Billing, Finance, or other enterprise operational systems.
•  Understanding of customer, account, contract, product, billing, invoice, payment, balance, and othertransactional data domains.
•  Experience with data migration tools, ETL platforms, APIs, batch processing, and file-based dataexchanges.
• Understanding of data governance, data security, data privacy, and data quality principles.
• Familiarity with migration testing methodologies, defect management, and reconciliation processes.
• Knowledge of project management and delivery tools for monitoring tasks, risks, issues, anddeliverables will be considered an advantage.
• Familiarity with the Energy & Utilities business domain will be considered a strong advantage.

Work Experience:

•  4+ years of professional experience in Data Engineering, Data Migration, Systems Integration, DataManagement, or a related technical field.
• 2+ years of hands-on experience supporting complex data migration or enterprise system transformationprojects.
• Experience working with large and complex datasets and relational databases.
• Strong practical experience with SQL and data validation techniques.
• Experience with source-to-target data mapping, transformation, data quality assessment, andreconciliation.
• Experience coordinating and monitoring technical activities delivered by external vendors orimplementation partners will be considered a strong advantage.
• Experience participating in system integration, data migration testing, migration rehearsals, cutover, orgo-live activities.
• Experience working with CRM and/or Billing systems will be considered a strong advantage.
• Experience in the Energy & Utilities sector will be considered an advantage.

4+ years as a Data Engineer

1/10/2026

Are you a data enthusiast who excels at transforming complex datasets into actionable business intelligence?

We are seeking a highly skilled and analytical Data Analyst to join our Data Analytics and Business Intelligence team. In this role, you will be responsible for analyzing business and operational data, identifying trends and insights, and transforming complex information into meaningful and actionable intelligence that supports data-driven decision-making.

The successful candidate will work closely with business stakeholders across the organization to understand their operational challenges, reporting requirements, and analytical needs. You will leverage data from the organization's Data Platform and Data Warehouse environment, based on Databricks and Synapse respectively, and use tools such as Microsoft Power BI and SQL to analyze information and deliver reports, dashboards, and insights.

Additionally, you will collaborate with internal stakeholders and technical teams to ensure the accuracy, consistency, and quality of data used for analysis. You will contribute to the continuous improvement of reporting and analytics capabilities while applying best practices in data governance, security, and data quality.

The company values expertise and provides an environment where you can truly own the strategic vision and drive impactful corporate evolution. In return, you will receive: 

• A competitive remuneration package.
• Hybrid Working Schedule
• Monthly ticket restaurant, besides the salary package
• Monthly wellness allowance
• Employees’ discount program on company’s products (gas,electricity)
• Welcome pack with all the necessary IT equipment
• Multinational, friendly, and free of any kind of discrimination workingenvironment
• Career growth opportunities upon performance appraisal
• Ongoing training funded by the company

ZeniΘ is committed to providing a safe, flexible and respectful environment for all employees and clients, free from all forms of discrimination, bullying and sexual harassment. The aim is for our workforce to be truly representative of all sections of society and our customers, and for each employee to feel respected and able to give their best, regardless of race, ethnicity, color, religion, creed, gender, pregnancy, national origin, nationality, age, physical and mental disability, marital status, sexual orientation, and any other characteristic.

As our Data Analyst, you will bridge the gap between business needs and complex data infrastructure, creating intuitive visualizations and driving analytical excellence. Your key responsibilities will include: 

•  Collaborate with business stakeholders to understand business processes, analytical requirements, and reportingneeds, translating them into effective data-driven solutions.
•  Analyze large and complex datasets to identify trends, patterns, anomalies, and opportunities for businessimprovement.
• Develop and maintain reports, dashboards, visualizations, and analytical solutions using Microsoft Power BI.
• Write and optimize SQL queries to retrieve, analyze, validate, and combine data from multiple sources.
•  Define, monitor, and analyze KPIs and business metrics, ensuring data accuracy, consistency, and reliability.
• Perform ad-hoc analysis and communicate actionable insights and recommendations to technical and non-technical stakeholders.
•  Collaborate with BI Developers and Data Engineers to understand and utilize available data models, platforms,and enterprise data sources.
•  Support data quality, governance, documentation, and the continuous improvement of reporting and self-serviceanalytics capabilities.

To succeed in this position, you should combine strong analytical acumen with hands-on technical proficiency in SQL and modern BI tools. We are looking for: 

• Strong analytical and problem-solving skills with the ability to translate complex data into meaningful businessinsights.
•  Strong business acumen and ability to understand business processes and requirements.
• Excellent communication and stakeholder management skills.
• Strong attention to detail, accuracy, and data quality.
• Ability to manage multiple priorities and work effectively in a dynamic and collaborative environment.
•  Familiarity with Agile methodologies and excellent written and verbal English communication skills.

Educational Level:

• Bachelor’s Degree in Data Science, Computer Science, Statistics, Mathematics, Business Analytics, Economics,Engineering, or a related field.
•  A Master’s Degree in a relevant field will be considered an asset.

Other Knowledge:

• Strong knowledge of Microsoft Power BI, including Power BI Desktop, Power BI Service, reporting, dashboards,and data visualizations.
• Strong knowledge of SQL and experience working with relational databases and complex datasets.
• Understanding of data models, Data Warehouses, Data Lakes, and modern analytics architectures.
• Experience or familiarity with Databricks, Azure data services, and Lakehouse technologies will be considered anadvantage.
• Knowledge of Python or R, statistical analysis, and data exploration techniques will be considered an asset.
•  Understanding of data quality, data governance, security, and privacy principles.
• Experience working with enterprise data from CRM, ERP, Billing, Finance, or other operational systems isconsidered an advantage.
• Relevant certifications, such as Microsoft Power BI Data Analyst Associate (PL-300), will be considered an asset.

Work Experience

• 2+ years of professional experience in Data Analysis, Business Intelligence, Business Analytics, or a related field.
• 2+ years of hands-on experience analyzing data and developing reports and dashboards using Microsoft Power BIor similar Business Intelligence tools.
• Strong practical experience with SQL and relational databases.
• Experience working with complex datasets from multiple business and operational systems.
•  Experience developing and interpreting KPIs, metrics, trends, and analytical reports.
•  Experience working with enterprise data management platforms, Data Warehouses, Data Lakes, or similarenvironments will be considered an advantage.
• Experience working with Databricks or consuming data from a Databricks-based Data Platform or DataWarehouse will be considered an advantage.
•  Experience working in Agile or similar project delivery environments will be considered an asset.

2+ years as a Data Analyst