Senior Data Migration Specialist in Warsaw

Senior Data Migration Specialist About the Project We are looking for an experienced Senior Data Migration Specialist to provide expertise on a large-scale transformation programme within the financial services sector. This opportunity is suited to a senior migration specialist who combines strong technical knowledge with experience coordinating complex migration activities across business and technology teams. The engagement focuses on migrating data from a legacy SaaS platform to a new strategic solution. The programme is currently shaping its migration approach and entering a critical phase of planning, reconciliation design, and cutover preparation. Scope of services: As a Senior Data Migration Specialist, you will: Coordinate the development and delivery of the end-to-end data migration strategy. Define migration approaches, data quality standards, validation criteria, and reconciliation processes. Coordinate the design and implementation of qualitative and financial reconciliation tooling. Collaborate with business stakeholders, solution architects, engineering teams, testing teams, and third-party vendors to ensure successful migration outcomes. Facilitate migration planning activities, including migration waves, cutover planning, rollback scenarios, and readiness assessments. Identify migration risks, dependencies, assumptions, and issues throughout the programme lifecycle. Communicate delivery progress, key risks, and dependencies to programme stakeholders. Contribute to the continuous improvement of migration methodologies, governance practices, and delivery standards. Required Experience Proven experience leading enterprise-scale data migration initiatives within financial services or another highly regulated industry. Strong technical knowledge of: data migration methodologies, ETL processes, data quality management, reconciliation approaches, migration tooling and validation techniques. Experience working with SaaS platforms and complex system mi

CAPCO POLAND *We are looking for Poland based candidate. This role is hybrid. At Capco Poland, we’re not just another consultancy - we’re the spark behind digital transformation in the financial world. As a global leader in technology and management consulting, we thrive on helping clients tackle the toughest challenges across banking, payments, capital markets, wealth, and asset management. Lead complex core banking transformations that shape the future of financial services. The Role As a Senior Delivery Lead Manager at Capco, you will take a leading role in the successful delivery of complex modern core banking transformation programs for our financial services clients. You will combine deep delivery expertise with a strong understanding of modern core banking platforms and transformation. You will work closely with senior client stakeholders, technology teams, vendors and Capco colleagues to establish effective delivery structures, manage dependencies and risks, and drive programs from mobilization through implementation. You will bring the credibility to operate effectively with senior stakeholders while remaining close enough to delivery to identify challenges, unblock teams and maintain momentum across complex transformation environments. What You’ll Do Lead end-to-end delivery of large-scale modern core banking implementation and transformation programs, from mobilization and planning through implementation and transition. Establish effective program governance, delivery plans, milestones, dependencies and controls, providing clear visibility of progress, risks and key decisions. Coordinate multidisciplinary teams across business, technology, architecture, data, testing, migration, operations and third-party vendors to maintain alignment throughout delivery. Build trusted relationships with senior client stakeholders, providing clear communication, constructive challenges and practical recommendations to resolve complex delivery issues. Support t

About Dot Collective We are a new generation consultancy based across UK and EU and founded on the premises of the engineering excellence and empowering people to make an impact. We work with all modern tech stacks and typically run agile scrum on all our projects. About you Are you passionate about data and its transformational powers? Do you like being able to make a huge difference in a limited period of time? We might be just the right place for you. Your key skills and capabilities: Gathering and documenting business and project requirements Managing stakeholders of differing levels Analysing and profiling large and complex datasets Managing a team backlog using tools like Jira or Azure DevOps Agile ways of working Familiar with Online Transaction Processing (OLTP) and Online Analytical Processing (OLAP) systems Creating conceptual, logical and physical data models Creating mapping specifications for data migrations Coordinating User Acceptance Testing (UAT) with business stakeholders Excellent SQL skills Knowledge of python (pandas) Experience with Cloud platforms Creating data dashboards using Tableau, PowerBI or Qlik and story telling We expect you to work closely with business to understand their current data problems, pain points and to know how to analyse and cleanse their data. Also, we expect you to design data storage solutions and be a good communicator with your technical team. Our promise to you We will always see you as a human being and will do our very best to support your needs and wellbeing – well-designed co-working and collaboration spaces, remote working patterns that work for you, parenting leave, sabbaticals and ability to work on personal projects. We believe that a geled team is worth its weight in gold – we will do everything we can to avoid breaking well-performing teams. Whilst continuity across every project is no

WPP is the trusted growth partner for the world’s leading brands. We unite cutting-edge media intelligence and data solutions, world-class creativity, next-generation production, transformative enterprise solutions and expert strategic counsel in a single company – powered by exceptional talent and our agentic marketing platform, WPP Open, to help our clients navigate change, capture opportunity and deliver transformational growth. We work with the world's most valuable brands and have global reach across 100+ markets, with deep local expertise. Our people are the key to our success. We're committed to fostering a culture of creativity, belonging and continuous learning, attracting and developing the brightest talent, and providing exciting career opportunities that help our people grow. For more information, visit WPP.com. This is a full-time position offered exclusively on a Contract of Employment (Umowa o Pracę) . Please note that this is a hybrid role , requiring employees to work from our Warsaw office (Centrum Koneser) at least 3 days per week . We are not considering fully remote or B2B arrangements for this position. We are seeking an exceptional Senior Data Scientist to join our highly skilled team in Warsaw. You will play a pivotal role in developing a state-of-the-art system that leverages Bayesian statistics and advanced theoretical concepts to estimate and understand the size of marketing and advertising audiences. You will thrive in a fast-paced, dynamic environment where objectives evolve rapidly and complex, abstract problems are the norm. If you are passionate about tackling challenging statistical and mathematical problems, and enjoy working collaboratively with other experts, we want to hear from you. Location Requirement This is a hybrid role based in Warsaw, Poland . Candidates must currently reside in Warsaw, Poland or be willing to relocate independently to Warsaw, as relocation suppo

WPP is the trusted growth partner for the world’s leading brands. We unite cutting-edge media intelligence and data solutions, world-class creativity, next-generation production, transformative enterprise solutions and expert strategic counsel in a single company – powered by exceptional talent and our agentic marketing platform, WPP Open, to help our clients navigate change, capture opportunity and deliver transformational growth. We work with the world's most valuable brands and have global reach across 100+ markets, with deep local expertise. Our people are the key to our success. We're committed to fostering a culture of creativity, belonging and continuous learning, attracting and developing the brightest talent, and providing exciting career opportunities that help our people grow. For more information, visit WPP.com. This is a full-time position offered exclusively on a Contract of Employment (Umowa o Pracę) . Please note that this is a hybrid role , requiring employees to work from our Warsaw office (Centrum Koneser) at least 3 days per week . We are not considering fully remote or B2B arrangements for this position. About Open Intelligence : We are the Activation arm of WPP Open Intelligence. Our team builds the foundational data infrastructure and high-performance edge services that power WPP’s position in the market. With approximately one-third of all global media spend flowing through WPP, our platform operates at the core of this massive network—deeply integrated and adopted by the largest supply-side partners in the AdTech industry. Operating at our scale presents unique engineering challenges. Our edge services currently handle over 60,000 classification requests per second, while our contextual classification pipelines process 10,000 requests per second. With operations spanning the US, UK, and ongoing expansion into EMEA and APAC, our infrastructure continuously interacts with up to 98% of the po

CAPCO POLAND *We are looking for candidates willing to relocate to the Middle East - Qatar for the duration of the project. At Capco Poland, we’re not just another consultancy - we’re the spark behind digital transformation in the financial world. As a global leader in technology and management consulting, we thrive on helping clients tackle the toughest challenges across banking, payments, capital markets, wealth, and asset management. Our secret? A culture that’s fast, flexible, and fiercely entrepreneurial. We move quickly, think creatively, and always put our people first. We’re passionate about growth - both for our clients and ourselves - and that means attracting the very best talent to join us on this exciting journey. We’re proud to be: • Trailblazers in banking, payments, capital markets, wealth, and asset management • Champions of an agile, nimble, and innovative work environment • Dedicated to building a team of top-notch professionals who share our drive and vision Shape the future of data platforms by delivering modern, cloud-native engineering solutions that enable leading financial institutions to unlock the full value of their data. The Role We are looking for a Senior Consultant Data Engineer with strong Snowflake expertise to join our growing Data & Analytics practice. You will work closely with clients to design, build and optimise modern cloud-based data platforms, enabling advanced analytics, regulatory reporting and data-driven decision-making. As a Senior Consultant, you will combine technical delivery with client engagement, helping organisations modernise their data landscape. The engagement is expected to run for one year and requires relocation to the Middle East for its duration . You will collaborate with client and project teams to deliver the agreed data engineering scope and project outcomes. What You’ll Do Design, develop and optimise scalable data pipelines and cloud-native data platf

What is Box? Box (NYSE:BOX) is the leader in Intelligent Content Management. Our platform enables organizations to fuel collaboration, manage the entire content lifecycle, secure critical content, and transform business workflows with enterprise AI. We help companies thrive in the new AI-first era of business. Founded in 2005, Box simplifies work for leading global organizations, including JLL, Morgan Stanley, and Nationwide. Box is headquartered in Redwood City, CA, with offices across the United States, Europe, and Asia. By joining Box, you will have the unique opportunity to continue driving our platform forward. Content powers how we work. It’s the billions of files and information flowing across teams, departments, and key business processes every single day: contracts, invoices, employee records, financials, product specs, marketing assets, and more. Our mission is to bring intelligence to the world of content management and empower our customers to completely transform workflows across their organizations. With the combination of AI and enterprise content, the opportunity has never been greater to transform how the world works together and at Box you will be on the front lines of this massive shift. Why Box needs you: You will join a newly formed Data Foundations team within Core Data, responsible for building, operating, and evolving the asynchronous data services that support Box’s data infrastructure. The team helps ensure that data remains reliable, consistent, and synchronized across different systems and data stores, supporting a wide range of services and internal teams across Box. The team will take ownership of a number of existing services and work on improving their reliability, observability, scalability, and overall architecture. This is an opportunity to work on foundational, large-scale data infrastructure and help shape the evolution of a new team and its platform. What you'll do: Own and evolve asynchronous data services that support data syn

Asana's Data Science team helps us fulfill our mission by informing strategy, defining success metrics, and identifying new ways to deliver user value . Data scientists are at the crux of deepening our understanding of the customers and driving more business outcomes by leveraging experimentation, causal inference, statistical and machine learning techniques, and data storytelling . As an Analytical Engineering Manager, you lead a team of Analytical Engineers who own the data foundations for the business: the Gold layer, canonical metrics, certified dashboards, and semantic layer that make Asana's most important numbers trustworthy, and that make AI-powered self-serve through Claude and Databricks Genie actually work. You sit at the intersection of Data Engineering, Analytics, and Data Science, and you are accountable for whether business stakeholders trust the data in your team's domains and can answer their own questi ons without routing through your team. This role is based in our Warsaw office with an office-centric hybrid schedule . The standard in-office days are Monday, Tuesday, and Thursday . Most Asanas have the option to work from home on Wednesdays . Working from home on Fridays depends on the type of work you do, and your recruiter can share more about the in-office requirements . We offer a Contract of Employment (UoP) for our employees in Poland. What you’ll achieve Lead, grow, and develop a team of Analytical Engineers: Own hiring, coaching, performance, and career growth, setting a high bar for data-model quality and stakeholder trust. Own the Gold layer and semantic-layer strategy across your team's domains (e.g. PLG, marketing, revenue, NPI/AWM), taking accountability for curated data models, canonical metrics, dashboards, and Genie spaces. Treat every recurring insight as a product with an owner, a cadence, and an SLA, building a catalog of trusted, versioned data products instead of one-off rebuilds. Drive self-serve enablement by prioritizing Go

The Product team builds features end-to-end. From designing our data models to implementing the subtle interaction behaviors that differentiate good software from great software. We work closely with UI designers and are supported by our infrastructure team. We aim to delight users with both large new features and smaller, daily product enhancements—thanks to our continuous deployment architecture. We want to create a superlative user experience, down to the smallest details. Asana’s ecosystem includes a wide range of powerful apps that extend its capabilities and integrate it seamlessly into our users’ workflows. These apps help establish Asana as the shared collaboration infrastructure our customers use to get things done, spanning the full breadth of domains and departments. The Functional Integrations team in the Platform Area owns integrating Asana with the most valuable function-specific (think Operations, Marketing, or IT) tools, enabling experts on those teams to effectively share and communicate their work to the company as a whole. We’re looking for full-stack engineers who care deeply about customers and are passionate about building products that improve the way millions of teams work together. As a member of the team developing the software of a product-led company, you won’t just code — you will be an integral part of the entire product development process, from conception to post-launch reflection. This role is based in our Warsaw office with an office-centric hybrid schedule. The standard in-office days are Monday, Tuesday, and Thursday. Most Asanas have the option to work from home on Wednesdays. Working from home on Fridays depends on the type of work you do, and your recruiter can share more about the in-office requirements. Our employees in Poland are employed under a contract of employment. What you’ll achieve As a full-stack engineer, you get to build and own a broad swath of the product: everything from creating a compelling user interfa

Shape the Future with Dun & Bradstreet At Dun & Bradstreet, we believe data has the power to create a better tomorrow. As a global leader in business decisioning data and analytics, we help companies worldwide grow, manage risk, and innovate. Since 1841, businesses have trusted us to turn uncertainty into opportunity. We’re a diverse, global team that values creativity, collaboration, and bold ideas. Are you ready to make an impact and help shape what’s next? Join us! Explore opportunities at dnb.com/careers.

Shape the Future with Dun & Bradstreet At Dun & Bradstreet, we believe data has the power to create a better tomorrow. As a global leader in business decisioning data and analytics, we help companies worldwide grow, manage risk, and innovate. Since 1841, businesses have trusted us to turn uncertainty into opportunity. We’re a diverse, global team that values creativity, collaboration, and bold ideas. Are you ready to make an impact and help shape what’s next? Join us! Explore opportunities at dnb.com/careers. The Senior Network Engineer serves as a technical leader in the design, implementation, and optimization of our enterprise and cloud network infrastructure. This role partners closely with Technology leadership, engineers, and end users to deliver secure, scalable, and high-performing network solutions with a strong focus on AWS and Google Cloud Platform (GCP). Responsibilities: Define cloud network requirements, establish architecture, and create detailed designs and standards that meet business goals. Manage and support LAN/WAN implementations and configurations, including routing, switching, firewalls, wireless, voice, and video solutions. Provide leadership in managing network infrastructure and related support organizations, including MSPs, cloud providers, and communications vendors. Perform root-cause analysis and problem resolution; provide recommendations, build consensus, and execute solutions. Recommend appropriate courses of action to network infrastructure engineers, NOC, MSPs, and IT management on technical and operational issues Essential skills and/or Certifications: Bachelor’s Degree in Computer Science, Information Systems, or other related field Minimum 8 years of experience in network engineering Expert knowledge of enterprise-level cloud architecture with a focus on network design and implementation (AWS and GCP, with a focus on GCP). Networking certifi

Shape the Future with Dun & Bradstreet At Dun & Bradstreet, we believe data has the power to create a better tomorrow. As a global leader in business decisioning data and analytics, we help companies worldwide grow, manage risk, and innovate. For over 180 years, businesses have trusted us to turn uncertainty into opportunity. We’re a diverse, global team that values creativity, collaboration, and bold ideas. Are you ready to make an impact and help shape what’s next? Join us! Explore opportunities at dnb.com/careers. We’re looking for a commercially minded Senior Product Manager (GTM) to lead how our global finance & credit products are brought to market across multiple countries. In this role, you’ll own the end-to-end go-to-market strategy, shaping how we position, launch, and scale our products to drive strong adoption and revenue growth. You’ll work closely with senior stakeholders across product, sales, marketing, and customer teams to ensure every launch lands with impact. If you enjoy turning great products into successful commercial outcomes and thrive in a fast-moving, cross-functional environment, this is a role where you can make a real difference.

Shape the Future with Dun & Bradstreet At Dun & Bradstreet, we believe data has the power to create a better tomorrow. As a global leader in business decisioning data and analytics, we help companies worldwide grow, manage risk, and innovate. Since 1841, businesses have trusted us to turn uncertainty into opportunity. We’re a diverse, global team that values creativity, collaboration, and bold ideas. Are you ready to make an impact and help shape what’s next? Join us! Explore opportunities at dnb.com/careers. We are now looking for a Senior Accountant – General Ledger to join our Finance team in Warsaw, Poland. In this role, you will play a key part in ensuring accurate financial reporting, strong balance sheet governance, and compliance across multiple legal entities, while partnering with stakeholders locally and globally. What You’ll Do As a Senior Accountant – General Ledger, you will be responsible for end‑to‑end accounting activities with a strong focus on general ledger ownership and financial integrity.

CAPCO POLAND *We're looking for Poland-based candidates. The role is hybrid and requires working from the office in Warsaw. Capco Poland is a global technology and management consultancy specializing in driving digital transformation across the financial services industry. We are passionate about helping our clients succeed in an ever-changing industry. We are also: Experts in banking and payments, capital markets and wealth and asset management Committed to growing our business and hiring the best talent to help us get there Focused on maintaining our nimble, agile and entrepreneurial culture Shape complex data programmes and help financial institutions turn data strategy into practical, scalable transformation. The Role As a Senior Lead Consultant / Principal Data Advisor at Capco, you will play a key role in leading complex, large-scale data programmes for clients across banking and financial services. You will work closely with senior management, Steering Committees, Business, IT, Security, and Data Owners to provide strategic direction and support critical architectural and organisational decisions. Combining practical expertise across data governance, architecture, and transformation, you will help clients build robust data capabilities and translate strategic objectives into effective delivery. What You’ll Do Lead and provide strategic direction across large-scale data programmes within banking and financial services. Advise senior management and Steering Committees on data strategy, governance, architecture, and transformation. Facilitate complex discussions and build alignment between Business, IT, Security, Data Owners, and other key stakeholders. Guide architectural and organisational decisions across data warehouses, data platforms, and lakehouse solutions. Assess architectural and technical recommendations, including solutions using GCP and BigQuery, to support scalable and effective delivery. What We're looking for Extensive experience in leading large

We are looking for passionate technologists to join our Pre-Sales organization to ensure that our growth is grounded and guided by strong technical alignment with our platform and the needs of our customers. MongoDB Pre-Sales Solution Architects are responsible for guiding our customers and users to design and build reliable, scalable systems using our data platform. Our team is made up of seasoned technical sales professionals, software architects, entrepreneurs, and developers who take direct responsibility for customer success, including the design of their software, deployment, and operations. You'll work closely with our sales executives, helping customers solve business problems by leveraging our solutions, playing a key role in winning deals and driving the business forward. You'll be a trusted advisor to a wide range of users from startups to the world's largest enterprise IT organizations. We are looking to speak to candidates who are based in Warsaw for our hybrid working model. As an ideal candidate, you will have: Ideally 8 to 11 years of related experience in a customer facing role, with 5 to 7 years of experience in pre-sales with enterprise software Minimum of 3 years experience with modern scripting languages (e.g. Python, Node.js, SQL) and/or popular programming languages (e.g. C/C++, Java, C#) in a professional capacity Experience designing with scalable and highly available distributed systems in the cloud and on-prem Demonstrated ability to work with customers to review complex architecture of existing applications, providing guidance on how to improve by leveraging technology Excellent presentation, communication, and interpersonal skills, with the ability to convey complex technical and business concepts in a clear and compelling manner to technology and business leadership Ability to strategize with sales teams and provide recommendations on how to drive a multi-threaded account strategy, aligning other MongoDB and ecosystem resources to