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Offer summary
(Summary generated by AI based on the full job description)
The project supports a global application platform combining software engineering, technical analysis and production support. Key technologies are C#/.NET, SQL/T-SQL, Microsoft SQL Server, Azure-hosted services, MoveIT, REST/SOAP, XML/JSON and Git/Azure DevOps with CI/CD. Responsibilities include delivering fixes and enhancements, analysing and resolving complex incidents, managing batch and file-based processes, release management, creating runbooks and operational documentation, and collaborating with business, vendors and international teams. Significant experience with business-critical production applications and availability to support US hours is required.
from: 14 October 2026
to: 13 November 2026
salary not specifiedcontract of employment (full-time)
Offer parameters
level:mid • senior
working mode:remote • hybrid
Warszawa, Wola
Requirements
Expected technologies
C#
.NET
SQL
Microsoft SQL Server
Microsoft Azure
REST API
SOAP
XML
JSON
Git
Azure DevOps
CI/CD
Operating system
Windows
Our requirements
- Significant experience as a Senior Software Engineer, Senior Application Developer, Software Developer, Application Engineer or in a similar role supporting business-critical enterprise applications.
- Hands-on technical expertise in C#/.NET, SQL/T-SQL and Microsoft SQL Server.
- Experience with Azure-hosted services, infrastructure concepts, batch processing and file-based interfaces.
- Knowledge of MoveIT or equivalent managed file transfer solutions.
- Experience with REST/SOAP APIs, XML/JSON, Git/Azure DevOps and CI/CD pipelines.
- Experience in environment management, release deployment and production troubleshooting.
- Proven ability to deliver application enhancements, defect remediation, technical analysis and production support.
- Strong documentation skills, including technical notes, runbooks, support procedures and release documentation.
- Excellent stakeholder management skills and the ability to explain technical issues in clear business language.
- Ability to work with US-based stakeholders and support US operations outside standard working hours when required.
- A Bachelor's degree in Information Technology, Computer Science, Engineering, Business Systems or a related discipline, or equivalent practical experience.
Optional
- Experience supporting financial services, fund administration, asset servicing, transfer agency, investor services or other regulated operational environments is highly desirable.
Your responsibilities
- Deliver software enhancements, fixes, releases and production support activities.
- Analyse, design, build, test and support application changes, ensuring quality, maintainability, performance and operational stability.
- Troubleshoot complex application and data issues, identify root causes and drive resolution.
- Work across application logic, configuration, data flows, Azure-hosted components, infrastructure dependencies, MoveIT processes, connectors, adaptors and batch processing.
- Translate business requirements and support issues into technical solutions, development tasks, estimates and implementation plans.
- Investigate and resolve production incidents, recurring defects, data issues and service interruptions.
- Support release readiness, testing, defect triage, deployment and post-release validation.
- Collaborate with developers, QA, infrastructure, support teams, vendors and business stakeholders, including US-based teams.
- Assess technical debt, identify operational risks and improve application stability and resilience.
- Maintain technical documentation, support procedures, runbooks, release documentation and knowledge transfer materials.
- Track progress, risks, dependencies and decisions, escalating issues proactively with practical recommendations.
- Support knowledge transfer and reduce reliance on individual knowledge holders.
- Work flexibly to support US business hours, late calls, releases and critical incidents when required.
About the project
This is a senior hands-on engineering role involving software development, technical analysis, production support, defect resolution and application enhancement.
The successful candidate will work across application code, data flows, interfaces and infrastructure dependencies, collaborating with business, technology, vendor and support teams to ensure platform stability and resilience.
The role combines software engineering, application support and business delivery. It requires a technically strong, proactive engineer who can investigate complex issues, deliver enhancements and support releases, including outside standard working hours when required.
This role is part of a global IT team that is supporting global IT initiatives. The hiring manager requires CVs in English, please.
What we offer
- Zdrowie pracowników jest dla nas ważne – otrzymasz możliwość dofinansowania do prywatnej opieki medycznej dla Ciebie i Twoich bliskich.
- Dbamy o zdrowy tryb życia i aktywność sportową – otrzymasz możliwość dofinansowania do karty Multisport.
- Jeżeli tak jak my cenisz sobie work-life balance, to zapewne ucieszy Cię, że umożliwiamy elastyczne godziny pracy.
- Ważne jest dla Ciebie bezpieczeństwo? Otrzymasz możliwość wykupienia dodatkowego ubezpieczenia na życie.
- Ponieważ chcemy wspierać Twój rozwój, umożliwimy Ci dołączenie na bezpłatne lekcje z języka angielskiego lub niemieckiego.
- Gwarantujemy stabilność zatrudnienia: umowa o pracę z firmą działającą globalnie, o ugruntowanej pozycji na rynku.
- Ponieważ najważniejszy jest dla nas Twój rozwój zawodowy, zapewnimy szkolenia wewnętrzne, a także dofinansowanie do szkoleń zewnętrznych lub studiów podyplomowych, a także jasną ścieżka kariery Vistra.
- Mając na uwadze Twoją wygodę oraz oszczędność czasu, nasze nowoczesne biuro jest zlokalizowane w centrum miasta.
- Jesteśmy świadomi ekologicznie: adoptujemy pszczoły, zachęcamy pracowników do przyjeżdżania rowerem (mamy rowerowy parking!), a nasz budynek jest eco-friendly.
Benefits
- sharing the costs of sports activities
- private medical care
- remote work opportunities
- flexible working time
- employee referral program
- nowoczesne biuro
- dofinansowanie do szkoleń
- szkolenia wewnętrzne
- bezpłatne kursy językowe (angielski, niemiecki, polski)
- preferencyjne warunki ubezpieczenia na życie
- owocowe poniedziałki
- inicjatywy CSR
Vistra Poland
It’s never been a more exciting time to join Vistra.
At Vistra our purpose is progress. We believe that our clients have the power to change the world and to do great things for global progress, and we exist to remove the friction that comes from the complexity of global business – to help our clients achieve progress without friction.
But progress only happens when people come together and take action. And we’re absolutely committed to building a culture where our people can do just that.
We have an exciting opportunity for you to join our team as Senior Java Developer. Reporting to the Product Development Manager, this full-time and permanent position is based in Poland and offers regional coverage, allowing you to make a significant impact to our Commercial & Product Department and its growth.
Are you looking for an exciting opportunity to be a leader within a highly successful global payroll services business? Are you an innovative and experienced developer? Are you looking to take your career to the next level with your expert knowledge and experience and drive success through our values of Respect, Integrity, Teamwork, Accountability, Diversity and Community? Do you have a strong work ethic, global mindset and the desire to help build a great culture?
iiPay, winners of the Global Payroll Supplier of the Year award 2020 is a high growth, innovative company, based in US, Europe and Singapore recognized for delivering an outstanding customer experience and service levels. Our payroll managed service is underpinned by our market leading global payroll management system delivering a unique client experience and value-added services.
iiPay has a unique opportunity for a highly experienced and motivated Developer who wants to be part of this rapidly expanding business, providing expertise to develop new systems and to extend the capabilities of our current platforms to our goal of ‘Paying the Planet’.
All our roles can be performed remotely with occasional visits to the office as requested by your manager. Where we have office locations, our team members are welcome to work: remotely, on a hybrid basis or fully office based as they wish.
This is how we work
Senior Software Engineer
I apply to:
Vistra Poland
Warszawa, Wola
Need more information?
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