Data Migration Junior Developer Job at Advisory Group TEST Human Resources (Kraków)

Data Migration Junior Developer

As a Data Migration Junior Developer, you’ll play a critical role in ensuring th...

Location

Poland , Kraków

Salary:

Not provided

Advisory Group TEST Human Resources

Expiration Date

Until further notice

Requirements

Master’s or Bachelor’s degree
Min. 3 years of experience in data analysis using Excel (Power Query, Pivot Tables)
Basic experience with Python or/and Java
Willingness to work with and learn ABAP
Knowledge of SAP HCM or/and SuccessFactors data structures and infotypes will be an asset
Understanding of data mapping, transformation, and validation principles
Strong analytical thinking and ability to identify inconsistencies in large data sets
Ability to analyze and document data requirements and field-level mappings
Very good English skills
Independent and systematic approach to work

Job Responsibility

Analyzing legacy HCM data structures and other required data sources, and then identifying data elements in scope for migration
Developing transformation logic to map source data to SuccessFactors data model
Coding data extraction and transformation routines using ABAP
Preparing and maintaining migration templates and conversion scripts
Executing test migrations and supporting defect resolution during testing cycles
Supporting data cleansing analysis and enrichment in coordination with business stakeholders
Validating migrated data against source systems for completeness and accuracy
Collaborating with functional consultants and data owners to align on data requirements
Supporting cutover planning, final data loads, and go-live activities
Perform technical troubleshooting of data load issues, including field mapping errors, transformation logic mismatches, and system performance bottlenecks during migration cycles

What we offer

Attractive development opportunities
Private medical care for employees and their families
Possibility to fulfil a dream about far journeys with attractive discounts for flight tickets
Possibility to adjust the place and hours of work to private needs
Hybrid working model (work in the office one day per week)
Opportunity to work from each part of Poland during remote work
Flexible working time
New branded and modern office: 200 adjustable desks, several types of meeting rooms, bike amenities, lounge rooms and chill out spaces, cozy kitchens and excellent public transport in a walking distance
Continuous improvement environment
Supportive & friendly working atmosphere - we work towards a joint success

Forward Deployed Engineer - Data Migration & Data Consolidation Platforms

As a Forward Deployed Engineer (FDE) for Data Migration & Data Consolidation Pla...

Location

United States

Salary:

Not provided

Rackspace

Expiration Date

Until further notice

Requirements

7-10+ years of progressive experience in enterprise data engineering, data migration, or large-scale system integration roles within complex, multi-platform environments
3-5+ years directly leading end-to-end data migration or multi-system consolidation programs for Global Enterprises and Industry Leaders, with full ownership of technical delivery and client outcomes
Demonstrated client-facing experience serving as a trusted technical advisor to C-level executives, enterprise architecture teams, and cross-functional business stakeholders
Proven industry depth in at least two of the following verticals: Healthcare, Financial Services, Manufacturing, Retail, Energy & Utilities, or Public Sector
Hands-on migration complexity: successfully delivered programs involving at least 3+ heterogeneous source systems, 100M+ records, complex master data harmonization, and multi-phase cutover execution
Advanced proficiency in Python and SQL with working experience in PySpark and TypeScript/JavaScript
Hands-on expertise with modern ETL/ELT and data integration platforms (Informatica, Talend, Matillion, Fivetran, AWS Glue, Azure Data Factory)
Proven ability to build scalable, version-controlled data pipelines with error handling, incremental loading, and Change Data Capture (CDC)
Strong working knowledge of at least one major cloud provider (AWS, Azure, or GCP), including core infrastructure, managed data services, and security configurations
Experience with enterprise data warehouse and lakehouse platforms (Snowflake, Databricks, BigQuery, Redshift, Synapse Analytics, Delta Lake)

Job Responsibility

Migration Execution & Cloud Architecture: Lead end-to-end delivery of enterprise data migrations from corporate systems (SAP, Oracle, Epic ERP) to target cloud data platforms, including the design of cloud landing zones, data governance frameworks, and system rationalization strategies. Establish migration compliance controls, automated rollback procedures, and operational readiness gates while owning full technical accountability for 12–18+ month migration roadmaps
Data Pipeline Engineering & Transformation: Build production-grade data connectors to SAP (RFC, IDoc, BAPI, OData), Oracle (AQ, GoldenGate, APIs), and SQL/non-relational sources. Develop ETL/ELT pipelines with LLM-enabled transformation logic, multi-layer validation and reconciliation frameworks, and optimized throughput for datasets scaling from tens of millions to billions of records with built-in CDC and incremental loading
Ontology Layer Development & Schema Automation: Construct semantic ontology layers translating raw ERP structures into business-consumable objects (Customer, Order, Invoice, Product, Vendor, Asset). Deploy automated schema mapping agents for source-to-target analysis and transformation logic generation. Build unified master data models with row/column-level security, cross-system lineage tracking, and AI-ready semantic structures
Application & Workflow Delivery: Build operational dashboards, migration control centers, and agent-driven workflows for automated validation, exception handling, and anomaly detection using low-code platform tools. Generate TypeScript/Python SDKs for custom integrations and deliver real-time monitoring and self-service interfaces for migration progress, data quality KPIs, and compliance tracking
Multi-System Consolidation & Master Data Management: Lead consolidation of 5–15+ fragmented ERP instances into standardized master data models. Resolve complex entity resolution challenges including customer matching, product harmonization, and chart of accounts unification. Establish golden record frameworks, data quality scorecards, survivorship rules, and data stewardship workflows for post-migration governance
Client Engagement, Discovery & Modernization Advisory: Serve as primary technical advisor to C-suite and enterprise architecture stakeholders across all engagement phases. Deploy discovery agents to analyze legacy data estates, conduct assessment workshops, facilitate solution design sessions, and deliver executive briefings, go/no-go readiness assessments, and prioritized modernization roadmaps
Knowledge Transfer, Enablement & IP Development: Build reusable migration accelerators, playbooks, and reference architectures that scale across engagements. Lead knowledge transfer to upskill client teams for post-migration ownership and collaborate with internal product and sales engineering teams to feed field insights back into platform development and delivery methodology
Leadership & Executive Engagement: Operate autonomously in ambiguous, high-stakes client environments, driving outcomes with minimal oversight
translate deeply technical concepts into clear, business-level narratives for C-suite audiences through executive briefings and stakeholder communications
navigate organizational complexity, competing stakeholder priorities, and enterprise change management dynamics to maintain momentum across multi-workstream engagements

Junior Software Developer

Our client is looking for a Junior Software Developer for a 11 month contract in...

Location

Canada , Toronto

Salary:

Not provided

Randstad

Expiration Date

June 21, 2026

Requirements

Knowledge of the Accessibility for Ontarians with Disabilities Act (AODA) and WCAG AA requirements for web applications
Experience developing, testing, and debugging system enhancements using Microsoft Visual Studio 2017 and/or 2022
Experience coding in C# using .NET Framework 4.8 or later
Experience working with XML
Experience working with Oracle 19c, including PL/SQL
Experience using Azure DevOps, including Git version control and YAML pipelines
Experience developing web applications using client‑side technologies, including: Angular (v17 with TypeScript, RxJS, NgRx)
AngularJS
Bootstrap
JavaScript, jQuery, HTML5, and CSS3

Job Responsibility

Translate technical system specifications into working, tested application components under guidance
Develop detailed programming specifications and implement solutions by writing, generating, and maintaining code
Compile and maintain data‑driven programs and perform unit testing to validate functionality
Design, code, test, debug, and document application components in accordance with established standards and methodologies
Troubleshoot and resolve technical issues that arise during application development, testing, or operation
Provide technical support for system implementation, conversions, and migrations
Support CSC release activities and ongoing application and infrastructure sustainment efforts
Collaborate with technical leads and team members throughout the Software Development Life Cycle (SDLC)

What we offer

Earn a competitive rate within the industry
Potential for extension

Fulltime

!

New

Junior Test Engineer

We are currently seeking a Junior Test Engineer to join our team in Bangalore, K...

Location

India , Bangalore

Salary:

Not provided

NTT DATA

Expiration Date

Until further notice

Requirements

2-4 years of experience in Software Testing / QA, with at least 2+ years in Data Warehouse / ETL testing
Practical experience in data migration / data platform modernization projects is strongly preferred
Strong SQL skills for writing complex queries and validations (joins, aggregations, window functions, filters)
Hands-on experience testing on at least one data platform such as: Snowflake, Databricks, or other cloud DW/Big Data platforms – experience with Snowflake/Databricks is a plus
Exposure to Informatica (understanding mappings/workflows and expected outputs)
Exposure to dbt or willingness to learn dbt-based validations (model outputs, dbt test results)
Good understanding of data warehouse concepts: facts/dimensions, SCDs, aggregations, grain, source-to-target mapping
Familiarity with test management and defect tracking tools (e.g., Azure DevOps, JIRA, TestRail, qTest)
Experience with Excel or similar tools for managing validation results and reconciliation artifacts
Strong attention to detail and a structured approach to validation

Job Responsibility

Execute data validation queries to compare Source (Yellowbricks / Informatica outputs) vs Target (Databricks / Snowflake / dbt outputs)
Perform Row-count checks between source and target tables
Aggregate validations (sums, counts, averages, distinct counts, min/max)
Sample and cell-level comparisons for critical entities and fields
Validate schema consistency (data types, lengths, precision/scale, nullable fields, constraints)
Log discrepancies, analyze patterns, and work with developers to support root-cause analysis
Understand Informatica mappings and workflows and their expected outputs
Validate dbt models (staging, core, marts) on Snowflake against legacy Informatica outputs
Test Databricks notebooks/jobs that replicate Yellowbricks logic — ensuring correct transformations, joins, filters, and aggregations
Validate CDC / incremental loads: new, changed, and deleted records are handled correctly

Fulltime

New

Junior Test Engineer

Location

India , Bangalore

Salary:

Not provided

NTT DATA

Expiration Date

Until further notice

Requirements

2-4 years of experience in Software Testing / QA, with at least 2+ years in Data Warehouse / ETL testing
Practical experience in data migration / data platform modernization projects is strongly preferred
Strong SQL skills for writing complex queries and validations (joins, aggregations, window functions, filters)
Hands-on experience testing on at least one data platform such as: Snowflake, Databricks, or other cloud DW/Big Data platforms – experience with Snowflake/Databricks is a plus
Exposure to Informatica (understanding mappings/workflows and expected outputs)
Exposure to dbt or willingness to learn dbt-based validations (model outputs, dbt test results)
Good understanding of data warehouse concepts: facts/dimensions, SCDs, aggregations, grain, source-to-target mapping
Familiarity with test management and defect tracking tools (e.g., Azure DevOps, JIRA, TestRail, qTest)
Experience with Excel or similar tools for managing validation results and reconciliation artifacts
Strong attention to detail and a structured approach to validation

Job Responsibility

Execute data validation queries to compare: Source (Yellowbricks / Informatica outputs) vs Target (Databricks / Snowflake / dbt outputs)
Perform: Row-count checks between source and target tables
Aggregate validations (sums, counts, averages, distinct counts, min/max)
Sample and cell-level comparisons for critical entities and fields
Validate schema consistency (data types, lengths, precision/scale, nullable fields, constraints)
Log discrepancies, analyze patterns, and work with developers to support root-cause analysis
Understand Informatica mappings and workflows and their expected outputs
Validate dbt models (staging, core, marts) on Snowflake against legacy Informatica outputs
Test Databricks notebooks/jobs that replicate Yellowbricks logic — ensuring correct transformations, joins, filters, and aggregations
Validate CDC / incremental loads: new, changed, and deleted records are handled correctly

New

Java React Full Stack Developer - Assistant Vice President

We are seeking a highly motivated and experienced Java/React Full Stack Develope...

Location

India , Pune

Salary:

Not provided

Citi

Expiration Date

Until further notice

Requirements

Bachelor's degree in Computer Science, Software Engineering, or a related field, or equivalent practical experience.
8+ years of professional experience in full-stack software development.
Strong proficiency in Java with extensive experience in building microservices using Spring Boot.
Demonstrable experience with Kafka for building message-driven architectures and data pipelines.
Experience with workflow management systems or designing and implementing complex business process flows.
Proven experience implementing search functionalities, potentially using technologies like Elasticsearch or Apache Solr.
Solid expertise in relational databases, particularly Oracle, including advanced SQL, schema design, and performance tuning.
Strong front-end development skills with React.js, including a deep understanding of component-based architecture, state management (e.g., Redux, Context API), and modern JavaScript (ES6+).
Experience with RESTful API design and consumption.
Proficiency with version control systems (e.g., Git).

Job Responsibility

Design, develop, and maintain robust, scalable, and secure microservices using Java and Spring Boot.
Implement and manage integrations with middleware technologies, particularly Kafka messaging, for real-time data streaming and event-driven architectures.
Develop and integrate with workflow management solutions to automate business processes.
Design and implement search engine capabilities within applications to provide efficient data retrieval.
Work extensively with relational databases, specifically Oracle, including schema design, query optimization, and data migration.
Develop responsive, high-performance, and user-friendly web interfaces using React.js and its ecosystem.
Collaborate with product owners, designers, and other developers to understand requirements, define technical specifications, and deliver high-quality features.
Ensure the seamless integration between front-end and back-end components through RESTful APIs.
Write comprehensive unit, integration, and end-to-end tests to ensure code quality and application reliability.
Participate in code reviews, contribute to architectural discussions, and mentor junior developers.

Fulltime

New

DBA Architect

Job Summary: The DBA will lead the overhaul of the existing SQL Server database ...

Location

India , Gurugram

Salary:

2500000.00 INR / Year

Overture Rede

Expiration Date

Until further notice

Requirements

Bachelor's degree in Computer Science, Information Technology, or related field
7+ years of experience as a DBA, with a focus on database design, migration, and optimization
Expertise in SQL Server, SQL, PostgreSQL, and AWS database services
Strong understanding of data modeling, ETL processes, and data warehousing
Experience with Entity Framework and T-SQL
Knowledge of database security best practices
Excellent problem-solving skills and attention to detail

Job Responsibility

Lead the design and implementation of the new database architecture on AWS
Migrate data from SQL Server to SQL or PostgreSQL
Optimize database performance and ensure data integrity
Collaborate with the Architect and development teams to translate old business logic into the new platform
Implement data security measures and ensure compliance with industry standards
Support data ingestion components and ensure efficient data processing
Provide guidance and mentoring to junior DBAs and developers

Fulltime

New

Senior Java Developer

Are you passionate about building technology that powers a global delivery netwo...

Location

Germany , Berlin

Salary:

Not provided

Just Eat Takeaway.com

Expiration Date

Until further notice

Requirements

Strong demonstrable experience developing and maintaining production-grade backend applications using Java 11+ (or similar modern versions). Strong proficiency with the Quarkus framework, or deep experience with Spring/Spring Boot, is highly desirable
Extensive experience designing, building, and operating microservices architectures and resilient, high-volume RESTful APIs
Proven track record of mentoring junior engineers, driving engineering best practices, and cultivating a collaborative team environment
Expertise with relational databases, including advanced knowledge of data persistence, complex query optimization, schema migration, and effective data modelling for scale. Experience with NoSQL databases (e.g., Cassandra, MongoDB) is a significant plus
Deep and practical understanding of software engineering principles, including distributed systems design, concurrency, security best practices, and advanced testing methodologies
Proven ability to diagnose and resolve complex technical challenges in production environments, leveraging advanced monitoring and observability tools (e.g., Datadog, Prometheus, Grafana, ELK stack)
A strong, proactive approach to system ownership, architecture evolution, and continuous improvement, coupled with superior analytical and critical thinking skills
Exceptional written and verbal communication skills, with the ability to articulate complex technical decisions to both technical and non-technical stakeholders
Demonstrated ability to thrive as a key contributor in a fast-paced, dynamic environment, driving technical initiatives independently
A humble, inquisitive, and collaborative mindset, with a proven track record of mentoring others and fostering a culture of continuous learning

Job Responsibility

Architect, develop, and maintain highly scalable, robust, and performant backend services using Java, ensuring system resilience and operational excellence
Serve as a technical leader in feature development, driving complex projects from inception through deployment and post-release monitoring
Conduct rigorous code reviews, providing constructive feedback and enforcing high standards for code quality, design patterns, and system architecture
Drive architectural discussions and technical roadmap planning, influencing the long-term strategy and health of our systems
Collaborate extensively with cross-functional teams (Product, Data, other Engineering teams) to define requirements, design interfaces, and deliver cohesive, effective solutions
Expertly troubleshoot and resolve complex production issues in a high-traffic, distributed microservices environment, minimizing downtime and identifying root causes
Mentor and coach mid-level and junior engineers on technical design, engineering best practices, and effective problem-solving
Proactively identify and lead initiatives for refactoring, performance optimization, and improvement of development processes (CI/CD, testing methodologies)
Define and implement comprehensive unit, integration, and performance tests to ensure the quality and reliability of developed features
Maintain and enhance continuous integration and continuous delivery (CI/CD) pipelines, ensuring rapid and automated deployment with high confidence

Fulltime

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Data Migration Junior Developer

Job Description

Job Responsibility

Requirements

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