New offer - be the first one to apply!
August 8, 2026
Expert Engineer - Senior developer
Senior • Hybrid
Krakow, MA, Poland
Role Summary
Modernise a mission-critical communications layer that routes messages and files between core systems and external parties. As a Senior .NET Developer, you will design, build, and operate resilient, event-driven services on Azure, helping evolve legacy integrations into cloud-native, containerised workloads.
This is a hands-on, leadership-oriented role focused on setting engineering standards and delivering highly reliable software in a regulated environment. The role requires a strong delivery focus, accountability for measurable outcomes, client focus, collective ownership, collaboration, continuous improvement, and the courage to challenge existing ways of working.
About the Context
The STP tribe operates messaging and group applications that ensure data, files, and messages are processed seamlessly end to end. This role directly contributes to that mission.
What You’ll Do
- Design and deliver modern integration services to replace or upgrade the communications layer, including message and file ingestion, transformation, routing, and delivery across synchronous and asynchronous models.
- Design for resilience and scale using circuit breakers, retries with backoff, timeouts, idempotency, outbox/inbox patterns, dead-letter queues, bulkheads, and compensating transactions or sagas.
- Build event-driven systems using Azure messaging, including Service Bus and Event Hubs, and/or Kafka-style publish/subscribe; define contracts, schemas, and versioning for backward compatibility.
- Develop high-quality .NET services using C#, ASP.NET Core, worker services, and gRPC/REST, with TDD as a default practice and emphasis on code quality, security, and performance.
- Containerise and operate workloads on Kubernetes, including OpenShift or AKS, using Helm and Git-based Azure DevOps pipelines.
- Enforce enterprise container standards, including image hardening, platform-managed secrets, TLS, and Kubernetes network policies.
- Own observability through structured logging, tracing, and metrics using tools such as Application Insights, Splunk, and OpenTelemetry.
- Collaborate in an agile Scrum product setup, contributing to backlog refinement, Definition of Ready, Definition of Done, iterative delivery, and cross-team ceremonies.
- Lead and mentor junior developers; pair with, unblock, and coach team members while championing engineering best practices.
Minimum Qualifications
- 10+ years of professional software engineering experience, including 5+ years building mission-critical or high-throughput distributed systems, preferably in financial services or similarly regulated domains.
- Expert .NET engineering skills, including C#, .NET, async/await, dependency injection, and testing frameworks.
- Hands-on Azure experience with AKS, Functions, Service Bus/Event Hubs, Storage, Key Vault, Application Insights, and Azure DevOps Pipelines/Repos.
- Docker and Kubernetes experience, preferably AKS, including Helm, image lifecycle management, and secure supply chain practices.
- Knowledge of event-driven architecture fundamentals, including publish/subscribe, event streaming, and consumer groups.
- Test-Driven Development, automation mindset, and CI/CD pipeline experience.
- Proven resilience engineering knowledge, including timeouts, retries, circuit breakers, backpressure, outbox/inbox, dead-letter queues, bulkheads, and sagas.
- Ability to work autonomously.
Nice to Have
- Experience with Kafka, Azure Event Hubs, or Service Bus at scale, including schema registries.
- Experience with OpenTelemetry, Splunk, distributed tracing, and performance or load testing at message/file-transfer scale.
- Knowledge of secure file exchange and enterprise integration patterns.
- Experience with Dapr, KEDA, gRPC, and API gateways.
- Familiarity with financial messaging standards and non-functional controls including availability, integrity, and confidentiality.
Ways of Working
- Work in a tribe/squad setup with a Product Owner, Scrum Master, and Solution Architect, aligned to quarterly or PI objectives and Definition of Ready/Done.
- Participate in tribe ceremonies, including planning, SoS, release boards, and cross-tribe synchronisations when shared platforms are affected.
- Collaborate closely with platform teams to comply with container, security, and networking standards.
What We Offer
- Work with supportive, engaged international colleagues.
- Learning and development environment with knowledge sharing and training.
- Competitive salary and comprehensive benefits.
- Hybrid working model with office attendance 8 days per month and remote-working flexibility.
- Inclusive workplace that values diversity and considers qualified applicants regardless of personal characteristics.
- Accommodation support during the application process for candidates who need it.
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As part of the Managing Investments Technology team, you will concentrate on providing top-tier technology solutions that support Portfolio Management and Trading throughout Asset Management, with an emphasis on introducing a service-based, event-driven messaging architecture in Azure. Responsibilities Create, build and enhance the digital products and technology services we offer to our clients and employees Apply a wide range of software engineering practices, spanning from analyzing user needs and building new features to automated testing and deployment Guarantee the quality, security, reliability and compliance of our solutions by following our digital principles and implementing both functional and non-functional requirements Embed observability into our solutions, track production health, assist in resolving incidents and address the root cause of risks and issues Comprehend, represent and champion client needs Exchange knowledge and expertise with colleagues, support hiring efforts and contribute consistently to our engineering culture and internal communities Deliver a first-class, scalable, digital and integrated Multi-Asset Portfolio Management and Trading platform Work together within a pod using agile ways of working Requirements Bachelor's and/or Master's degree or equivalent specializing in Computer Science, Computer Engineering or a related technical field More than 5 years of experience working with C# and .NET Core Capabilities in Messaging platforms, preferably Kafka Knowledge of Containers, preferably Kubernetes Experience with Agile, test-driven development and DevOps practices Grasp of engineering best practices and producing Clean Code as a Software Craftsperson Effective communication skills, both written and verbal Robust analytical and problem-solving abilities, with an enjoyment for figuring out how things work Genuine interest in learning how the business operates Enthusiasm for learning and innovation English proficiency at a B2 level or above Nice to have Proficiency in Microservice and Event-Driven architecture Expertise in Cloud architecture and engineering, preferably on Microsoft Azure (Kubernetes Service, Container Apps, App Service, Functions, Event Grid and Service Bus) We offer We gather like-minded people: Top tech minds driving innovation in AI, cloud and digital platform modernization Supportive team and agile, startup-like culture Hybrid by design mode and opportunity to work remotely within Poland Chance to work abroad for up to 60 days annually Business-driven relocation opportunities We provide growth opportunities: Career development programs Thought leadership, mentoring, soft skills and well-being programs Certification (Anthropic, Gemini, GCP, Azure, AWS) English classes We cover it all: Stable pay Participation in the Employee Stock Purchase Plan with a 15% discount Benefits package (health insurance, multisport, shopping vouchers) Referral bonuses up to $2,000 Offices featuring entertainment and relaxation zones, table tennis and football, free snacks, coffee and more Corporate, social and well-being events Please, note: Benefits listed above are available to employees only We are open for working with Contractors. Terms of B2B cooperation agreements are agreed individually We will reach out to selected candidates exclusively EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential.
Technology
Euroclear
Technical Product Owner in Data Management
Senior
Hybrid
Krakow, Poland
🏢 Summary: Hands-on Technical Product Owner role within an analytics and reporting tribe, combining product delivery management with strong data expertise to deliver measurable data products. The position bridges business stakeholders and data engineering teams, translating requirements into scalable solutions on Azure-based data platforms. It focuses on SQL-driven data modelling, Power BI reporting, Python automation, and governance of enterprise data products. 🗂️ Requirements: Experience as Technical Product Owner or Technical Product Manager in complex multi-team environments, Proven on-time and on-budget delivery of data or analytics projects, Strong SQL expertise including data modelling and optimization, Experience building data models and reports with DAX and Power BI, Medium proficiency in Python for ETL, validation, or automation, Hands-on experience with Azure data platforms and Databricks, Experience with Azure DevOps or TFS and ServiceNow, Knowledge of SDLC, release and change management processes, Experience in Agile/Scrum environments, Fluent English 📃 Skills: SQL, DAX, PowerBI, Python, Databricks, Azure, AzureDevOps, TFS, ServiceNow, DataModeling, ETL, PowerBI, Scrum, SDLC 🏢 Description: Team Within IT Group Digital Capabilities division, our Analytics, Insights and Reporting Tribe supports the needs for advanced analytics and reporting from all the entities of the Euroclear Group. The team helps to transform data into insights and reports using techniques such as descriptive analysis, text mining, machine learning, process mining, network analytics, predictive modelling, AI etc. Scope of the tribe can be summarized as follows: Operating and managing the evolution of the Data & Analytics Platform (DAP) consisting out of a DataLake, the Group Data Warehouse and a new off-premise Operational Data Store aligned with new market evolutions. Key player in the AI CoE. Centre of Expertise for BI & Reporting. Provide project support and expertise to various business lines. Role requirements Acting as a hands‑on technical product owner for a business stream (Finance, Risk, IT, Compliance, HR) in the AIR (Analytical Insight & Reporting) Tribe. You’ll combine delivery management with data skills (data modelling, SQL/DAX/Power BI/Python) to turn business needs into measurable product outcomes and help us transition from product ownership to product management. The Technical Product owner is the bridge between the business stakeholders and Data Engineers to understand, define and prioritize business requirements in line with the defined business vision and strategy. As TPO, you define the demand aspect of initiatives which entails: translate the clients' needs to the language of Engineers who will be developing the solution in collaboration with the Architects defining the most optimal scope and solution to deliver projects focusing on the true client's demand creating and maintaining the product backlog, documenting and prioritizing requirements and ensuring alignment and understanding by the different business stakeholders of the scope evolution and solution Supporting the scrum team during the development and refinement sessions Plans, monitors and manages internal projects for initiation and scope Ensures project results meet requirements regarding solutions, schedule, cost and expected Business value Develops effective relationships with business units, divisions or groups of users Ensures required services are identified, developed and supported to the satisfaction of the business unit/division Actively contributes to the Customer Digital Experience strategy execution Prepares communications and makes presentations on product enhancements Profile: What you’ll do Quarterly planning: prepare/execute QBR & QP; align capacity, funding, priorities with portfolio. Business data analysis: capture requirements, map data flows, write SQL (mandatory), design DAX measures, build Power BI reports; automate checks with Python (medium proficiency). Delivery reporting: maintain dashboards and predictability status (PSR); integrate with ServiceNow/Azure DevOps. Stakeholder engagement: work daily with IT, Business, Operations, Sales, Product to clarify priorities and land outcomes. Ways of Working: streamline intake→delivery→release, define lean cadences/RACI/playbooks; champion the shift to product. Own data products: governance, cross‑tribe, dashboards/PSR, SDLC/IT controls. Required skills Product Management in complex, multi‑team environments; demonstrable on‑time, on‑budget delivery. Data stack: Databricks / Azure data plaforms. SQL — mandatory (data modelling, optimization, QA). DAX + Power BI — solid experience building robust, maintainable models/reports. Python — medium (ETL scripts, data validation, automation). Tooling: Azure DevOps/TFS, ServiceNow, release/change processes; confident with audit/compliance. Business analysis: requirements, UAT support, data glossary/catalog contribution. Communication & leadership: crisp status, risk and dependency management; ability to influence across tribes and vendors. Additionally: Several years of experience in a similar role and/or as Technical Product Manager, ideally in the banking and/or financial services sector, with a focus on client communication and interaction channels. Excellent spoken and written English is required. Analytical, methodical and results oriented are key skills You are client focus and you have strong team spirit Strong inter-personal skills and good presentation skills Planning/organizational skills and autonomy: able to organize and prioritize Accomplish work by yourself Experience in Agile way of working #LI-MJ1 About Us Why join us Embark on your new adventure at Euroclear, and work at the heart of the global capital markets. We connect over 2,000 financial institutions across the globe. As an open and resilient infrastructure, we contribute to the stability of the financial markets. We help clients cut through complexity, lower costs, and mitigate risks of financial transactions. At Euroclear, we have the clear ambition to use our key role to facilitate and accelerate a sustainable global financial system. What We Offer: Work closely with inspiring, supportive and engaged colleagues from more than 80 different countries. Practice your talents in a highly professional international environment. Join a learning and development environment with an emphasis on knowledge sharing and training. Competitive salary and comprehensive benefits. Ways of working Find your own optimal balance within our hybrid working model, where you can connect at the office 8 days a month and also benefit from remote working. Great Place to Work for All We are committed to creating an inclusive culture that celebrates diversity and strives to be a Great Place to Work for All. All qualified applicants will be considered for employment, regardless of any aspect that makes them unique (including race, religion, national origin, gender, sexual orientation, age, marital status, pregnancy, disability, ...). If you need any specific accommodation due to disability or any other reason, you can let the recruiter know during your application process. Our values guide how we work together and shape our future: Our mission and values - Eurocleakkk
Technology
DCV Technologies
Senior .Net Developer / Krakow
Senior
Hybrid
Krakow, Poland
🏢 Summary: Senior .NET Developer role focused on building and enhancing scalable, cloud-native enterprise solutions using .NET 6+ and Microsoft Azure. The position involves designing modern APIs, contributing to microservices architecture, and ensuring high availability, security, and reliability in production systems. The role is hybrid in Krakow and emphasizes DevOps, automation, and engineering best practices. 🗂️ Requirements: 7+ years professional software development experience, Strong hands-on experience with C#, Strong experience with .NET Core / .NET 6+, Proven experience building modern APIs and enterprise applications, Strong experience with Microsoft Azure services (AKS, Azure Containers, Azure Web Apps, Azure Functions, Azure Service Bus, Azure Storage Accounts, Azure Key Vault), Strong experience with Containers and Kubernetes, Solid understanding of Microservices architecture, Strong knowledge of Object-Oriented Programming and SOLID principles, Understanding of Multi-threading and concurrent programming, Experience with Cloud Architecture and Engineering on Azure, Experience working in Agile environments, Experience with TDD and DevOps practices, Strong analytical and troubleshooting skills, Excellent verbal and written communication skills 📃 Skills: C#, .NET, ASP.NET, Azure, AKS, Kubernetes, Docker, Microservices, REST, API, CI/CD, DevOps, TDD, OOP, SOLID, Multithreading, AzureFunctions, AzureServiceBus, AzureStorage, AzureKeyVault, EventGrid, ContainerApps 🏢 Description: Location: Krakow, hybrid 3 days/week About the Role We are looking for an experienced and passionate Senior .NET Developer with strong Azure expertise to join our engineering team. In this role, you will design, develop, and enhance scalable digital products and technology services used by clients and internal teams worldwide. You will work in a modern cloud-native environment, contribute to high-impact projects, and collaborate with cross-functional teams to build secure, reliable, and highly available enterprise solutions. Key Responsibilities Design, develop, and improve enterprise-grade digital products and technology services Analyze business and user requirements to deliver scalable and efficient technical solutions Develop modern APIs and backend services using .NET 6+ and Azure cloud technologies Apply software engineering best practices including automated testing, CI/CD, and DevOps methodologies Ensure quality, security, reliability, and compliance across all delivered solutions Build observability into applications, monitor production systems, troubleshoot incidents, and resolve root causes Contribute to cloud-native and microservices-based architecture initiatives Collaborate closely with product owners, architects, and engineering teams to deliver business value Advocate for client and user needs while driving technical excellence Share knowledge with peers, mentor team members, and contribute to engineering culture and hiring activities Required Skills & Experience 7+ years of professional software development experience Strong hands-on experience with C# and .NET Core / .NET 6+ Proven experience building modern APIs and enterprise applications using .NET technologies Strong experience with Microsoft Azure services including: AKS (Azure Kubernetes Service) Azure Containers Azure Web Apps Azure Functions Azure Service Bus Azure Storage Accounts Azure Key Vault Strong experience with Containers and Kubernetes Solid understanding of Microservices and Event-Driven Architecture Strong knowledge of Object-Oriented Programming, Design Patterns, and SOLID principles Good understanding of Multi-threading and concurrent programming Experience with Cloud Architecture and Engineering on Azure platforms Experience with: Azure App Services Container Apps Event Grid Experience working in Agile environments using TDD and DevOps practices Passion for Software Craftsmanship, Clean Code, and engineering best practices Strong analytical, troubleshooting, and problem-solving skills Excellent verbal and written communication skills Nice to Have Experience implementing: Service-Oriented / Microservice Architectures Event-Based Architectures Loosely Coupled Systems Reusable Enterprise Components Experience working with distributed systems and high-scale applications Exposure to observability and monitoring tools
Technology
DCV Technologies
Senior .NET Developer / Wroclaw
Senior
Hybrid
Wroclaw, Poland
🏢 Summary: Senior .NET Developer role focused on building and enhancing scalable, cloud-native enterprise solutions using .NET 6+ and Microsoft Azure. The position involves designing modern APIs, microservices, and event-driven systems in a Kubernetes-based environment while applying DevOps and best engineering practices. Hybrid work model in Wroclaw with high-impact global projects. 🗂️ Requirements: 7+ years of professional software development experience, Strong experience with C# and .NET Core / .NET 6+, Experience building modern APIs and enterprise applications, Hands-on experience with Microsoft Azure services (AKS, Web Apps, Functions, Service Bus, Storage, Key Vault), Experience with Containers and Kubernetes, Experience with messaging platforms (Kafka preferred), Understanding of Microservices and Event-Driven Architecture, Knowledge of Object-Oriented Programming, SOLID principles, Design Patterns, Experience with multi-threading and concurrent programming, Experience with cloud architecture on Azure, Frontend experience with React and TypeScript/JavaScript, Knowledge of HTML5 and CSS3, Experience with CI/CD, TDD, and DevOps practices 📃 Skills: C#, .NET, ASP.NET, Azure, AKS, Kubernetes, Docker, Kafka, React, TypeScript, JavaScript, HTML5, CSS3, CI/CD, TDD, DevOps, Microservices, REST, ServiceBus, EventGrid 🏢 Description: Location: Wroclaw, hybrid 3 days/week About the Role We are looking for an experienced and passionate Senior .NET Developer with strong Azure expertise to join our engineering team. In this role, you will design, develop, and enhance scalable digital products and technology services used by clients and internal teams worldwide. You will work in a modern cloud-native environment, contribute to high-impact projects, and collaborate with cross-functional teams to build secure, reliable, and highly available enterprise solutions. Key Responsibilities Design, develop, and improve enterprise-grade digital products and technology services Analyze business and user requirements to deliver scalable and efficient technical solutions Develop modern APIs and backend services using .NET 6+ and Azure cloud technologies Apply software engineering best practices including automated testing, CI/CD, and DevOps methodologies Ensure quality, security, reliability, and compliance across all delivered solutions Build observability into applications, monitor production systems, troubleshoot incidents, and resolve root causes Contribute to cloud-native and microservices-based architecture initiatives Collaborate closely with product owners, architects, and engineering teams to deliver business value Advocate for client and user needs while driving technical excellence Share knowledge with peers, mentor team members, and contribute to engineering culture and hiring activities Required Skills & Experience 7+ years of professional software development experience Strong hands-on experience with C# and .NET Core / .NET 6+ Proven experience building modern APIs and enterprise applications using .NET technologies Strong experience with Microsoft Azure services including: AKS (Azure Kubernetes Service) Azure Containers Azure Web Apps Azure Functions Azure Service Bus Azure Storage Accounts Azure Key Vault Experience with messaging platforms, preferably Kafka Strong experience with Containers and Kubernetes Solid understanding of Microservices and Event-Driven Architecture Strong knowledge of Object-Oriented Programming, Design Patterns, and SOLID principles Good understanding of Multi-threading and concurrent programming Experience with Cloud Architecture and Engineering on Azure platforms Experience with: Azure App Services Container Apps Event Grid Service Bus Frontend development experience with React , TypeScript/JavaScript Strong knowledge of HTML5 and CSS3 Experience working in Agile environments using TDD and DevOps practices Passion for Software Craftsmanship, Clean Code, and engineering best practices Strong analytical, troubleshooting, and problem-solving skills Excellent verbal and written communication skills Nice to Have Experience implementing: Service-Oriented / Microservice Architectures Event-Based Architectures Loosely Coupled Systems Reusable Enterprise Components Experience working with distributed systems and high-scale applications Exposure to observability and monitoring tools