April 30, 2026
Senior Fullstack Developer
Senior • Remote
18,000 - 22,000 PLN
Katowice, Poland
SD Worx is a leading European provider of Payroll & HR services with global reach. We have offices in Europe and Mauritius. Our goal? We bring people solutions to life and turn HR into a value source for our clients and their people.
Our people solutions span the entire employee journey, from salary payment to attracting, rewarding, and developing talent. Are you ready to join us?
About the role:
As a developer, you will be part of a team responsible for building and maintaining our existing payroll application for the Belgian market: LOS21. Your customers are the hundreds of internal users of this application, and you play an essential role in improving their experience. Together with your colleagues, you improve the customer experience every day by following up on new legislation, and simplifying their processes. After all, LOS21 wants to be an efficient and effective help in internal payroll processing.
What do we have to offer?
Stable employment conditions: permanent employment contract (after a 3-month probation period)
Flexible working hours and remote work opportunities
Private medical care (LuxMed)
Cafeteria system / Sports card
Lunch card (Edenred)
Financial allowance for remote work
Loans for employees
Workation: possibility to work from any SD Worx location (4 weeks per year, EU only)
Life insurance
Holiday allowance
Free language courses (during your working hours)
Annual bonus
Integration events
Free parking spaces for employees
Referral program
PPK (Employee Capital Plans): 3.5% employer contribution
Learning opportunities: through an individual development plan and professional training
Career growth: whether you want to become more of an expert in your field or expand your knowledge horizontally, there’s always room to grow within SD Worx!
Which tasks can you expect?
Willing to work on legacy applications.
Cooperate closely with the team to understand requirements.
Contribute during all phases of product lifecycle, from ideation and development to maintenance.
Capable of devising solutions that are both functionally effective and technically robust.
Troubleshooting, debugging, fixing and implementing.
Participate in code reviews and knowledge sharing within the team.
Willing to give third line support to end users.
Able to work independently and proactively find solutions.
Can handle periods of intensive workload smoothly.
Collaborate with support departments of servers, network, ...
You’ll be part of an agile squad, comprising 16 engineers. Our diverse team includes developers, functional analysts, testers, a scrum master, and a product owner, all working together to drive excellence.
What do you have to offer?
-
We expect proven experience with:
- Knowledge of Winforms ( at least 3 years of experience)
- At least 5 years of experience in .Net development in complex software environments
- Knowledge of .NET Framework
- Good knowledge of SQL
- Experience with version control systems like Git
- Experience with both front-end and back-end development
- Experience with Visual Studio
- Experience with using AI
- You hold a degree in IT or have proven skills worthy of the degree
- You're able to communicate and read English fluently
And you'll get bonus points if you have experience with:
- Knowledge of DB2.
- Experience with NServiceBus
- Experience with Entity Framework
- Experience with Azure DevOps and CI/CD
- Experience with ASMX web services
- Experience working in Agile/Scrum teams is a plus.
You are able to take a pragmatic approach, to come up with solutions that are simple, robust and achievable. You work independently, are proactive and take initiative. You are eager to learn and have a passion for your job!
We are looking for dynamic people with an agile mindset. If you thrive in a collaborative environment where continuous learning and value delivery are key, we want to hear from you! We value people who dare to speak up, dare to ask and give feedback and value transparency.
From many places, we work as one, moving from better to best together.
SD Worx embraces diversity in the workplace. Diversity brings inspiration and innovation to our company. We particularly welcome applications from qualified talent, regardless of origin, nationality, gender, skin color, ethnic and social background, religion, age, disability, sexual orientation, or stage of life.
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Warsaw, Poland
8,200 - 20,400 PLN
🏢 Summary: The role involves implementing and configuring Guidewire Insurance Suite solutions for international clients, including integrations with external systems. You will work in an agile team, contributing to development, design, testing, or technical leadership depending on experience. The position focuses on delivering ready-to-use insurance solutions for the DACH market. 🗂️ Requirements: Minimum 1 year commercial experience in software development, Experience with Gosu or Java, Willingness to learn Gosu if experienced in Java, Strong knowledge of Object-Oriented Programming, Understanding of design patterns, Knowledge of clean code principles, Understanding of software engineering concepts, Fluency in German (B2/C1), Fluency in English (B2/C1), Ability to work full-time, Eligibility to work in the European Union 📃 Skills: Gosu, Java, Guidewire, ClaimCenter, PolicyCenter, BillingCenter, OOP, REST, SOAP, Microservices, JMS, Spring 🏢 Description: About Sollers Consulting: Sollers Consulting is more than a consultancy and software integrator. As a company founded in 2000, our mission has been to transform the financial & insurance industries by helping them adapt to new technologies. The power of collaboration and the limitless potential of Sollers people are at the root of our success. We strive to be the best at what we do, both in the eyes of our team and our customers. We put people at the heart of every project. Join us and make Sollers be driven by… you! About Software Development at Sollers: Versatility is the keyword when it comes to what we do in IT. Development is just the beginning of a long journey where we get familiar with business, processes, and architecture. But at the end of the day, the result is always the same: a ready-to-use solution used by everyone around us. As a Sollers developer, you’ll have the opportunity to continuously expand your skill set, navigate complex challenges, and contribute to the creation of solutions that empower businesses and individuals alike. About the role. You will: Implement Guidewire Insurance Suite solutions for international clients. Implement and configure one of the Guidewire modules: Claim Center, Policy Center, Billing Center. Implement integrations between Guidewire and external systems. Depending on your experience, project role and career path – implement, design, test or provide. technical leadership on projects. Work directly with our clients on the DACH market as an active member of an agile project team. About the requirements. You need: At least 1 year of commercial experience as a software developer, preferably in Gosu, or Java (in such case also readiness to learn new technology). Strong understanding of Object-Oriented Programming (OOP), design patterns, clean code principles, and best practices. Fluency in German and English (B2/C1 level at least). Solid understanding of software engineering concepts. Effective communication skills and the ability to work in a team. Availability to work full–time. Ability to work in the European Union. About the wishes. Nice to haves: Demonstrated ability to learn quickly in a supportive yet challenging environment. Eagerness to learn about new technologies and solutions. Willingness to travel regularly. Any of the following: Web services (REST/SOAP), Microservices, JMS knowledge, Spring, or any similar hands-on experience. About our promises. We can offer: Flexible working hours and a hybrid home office model (2-3 times per week in the office) as work-life balance is crucial at Sollers. A chance to be promoted twice a year and a clearly defined career path with salary forecast. Opportunities for growth with a training budget that you can use for courses and conferences. We also provide access to an online training platform and co-fund language classes. An internal coach to guide you through the onboarding, further training and career opportunities, plus a budget to be used for your lunches together. A chance to #domore for the planet and the community as part of Sollers Change Makers – our volunteering program. Lots of teambuilding activities, trips, hobby groups and cultural events to create a company powered by teamwork. Probably all the benefits you can think of! * The final salary offer may fall outside the given brackets depending on your education, experience, and location.
Technology
LSYS
Fullstack Developer (.Net + Angular)
Senior
Remote
Gdansk, Poland
18,000 - 23,000 PLN
🏢 Summary: Development role focused on designing and delivering software solutions for a UK financial institution, working closely with business teams across the full technology stack. The position involves building modern .NET and Angular applications, contributing to solution design, and supporting production systems. 🗂️ Requirements: 5+ years experience with .NET and C#, Commercial experience with Angular, Experience with .NET 6 or higher, Experience with .NET Core, Experience with SQL databases, Cross-stack development experience, Experience with API design and development, Knowledge of Azure cloud 📃 Skills: .NET, .NETCore, C#, Angular, SQL, Azure, APIs 🏢 Description: We are looking for a Developer to join our team and work with us for one of our clients - financial institution from UK. Main goals: design & development of software solutions to support the business requirements. Responsibilities Design, develop and deliver software solutions in conjunction with the Business Teams Work in conjunction with the Business Teams during the design process to contribute to business and technical solutions Actively promote and distribute knowledge amongst peers in the development team Identify innovative opportunities which will improve the businesses ability to succeed Provide expert / second line application support to users About You Must have: +5 years of experience: .NET, C#, Angular & English Skills: Cross stack working knowledge, including the following mandatory technologies: Microsoft technologies including .NET (6 and above) .NET Core C# Angular SQL Desirable: Knowledge of Azure cloud Knowledge of API Design and Development Analytical skills and ability to understand complex problems Willingness to investigate, trial and propose new concepts, technologies and approaches Enthusiastic and flexible attitude to work Nice to have: Copilot experience Understanding of automated testing techniques Other Relevant Information: Team player Good attention to detail Good communication skills Willing to take responsibility What we offer Friendly organisational culture Work in a small company in a friendly atmosphere, where your satisfaction is an important value B2B or work contract Flexible working format - remote, office-based or hybrid Flexible working hours Integration events English lessons
Technology
Xceedance Consulting Polska Sp. z o.o.
Senior Solution Architect
Senior
Hybrid
Krakow, Poland
🏢 Summary: Lead the design and development of complex enterprise insurance solutions, driving discovery, architecture, and delivery across multiple systems. Oversee end-to-end solution design with strong focus on BDD, code quality, performance, and scalable integration. Contribute to pre-sales, architecture decisions, and continuous improvement using modern Java, BPM, and cloud technologies. 🗂️ Requirements: 14+ years overall IT experience, 10+ years enterprise Java development, Strong Object-Oriented Design and UML modeling, Hands-on experience with Java 8+ and J2EE, Experience with Spring Boot and Spring Security, Experience with BPM tools (Camunda, jBPM, Activiti or Pega), Experience with Kafka and event-driven architecture, Experience with relational databases and ORM, Experience with Git-based source control, Experience with CI/CD tools, Experience with JUnit 5 and unit testing, Knowledge of OpenAPI Specification, Experience with OIDC and OAuth2, Experience with Agile methodologies, Experience with cloud platforms (AWS, Azure or GCP), Knowledge of Docker and Kubernetes 📃 Skills: Java, J2EE, Spring, SpringBoot, SpringSecurity, Kafka, Camunda, jBPM, Activiti, Pega, Postgres, Oracle, MySQL, DB2, JDBC, ORM, Gradle, Maven, Git, GitHub, Bitbucket, Subversion, Jenkins, TeamCity, JUnit5, OpenAPI, OIDC, OAuth2, UML, Azure, AWS, GCP, Docker, Kubernetes, Tomcat, JBoss, WebSphere, Elasticsearch, Logstash, Kibana, Camel, ESB, EAI 🏢 Description: Role & Responsibilities: Lead and oversee the development of complex solutions that span multiple towers and/or encompass multiple service offerings Drive discovery process with the customer to understand their need for Insurance related products and accelerators. Understand the customer’s operational process, their pain points, intended outcome of their requirements and provide suitable design and solutions, taking into considerations the current capabilities and future roadmap of the product. Plan build or development tasks by confirming objectives and specifications with the relevant stakeholders. Ensure focus on Behaviour Driven Development (BDD) with special emphasis on code quality and unit testing. Split requirement into manageable development features or modules for the team. Identify functional and non-functional constraints of the system and designs optimal solutions. Debug or troubleshoot coding bugs and provides fixes for the same. Participate in application profile and performance benchmarking activities. Bring in industry best practices to all facets of software design and delivery process. Occasionally involve in pre-sales activities such as product demonstrations, proposal writing etc. Suggest any improvements on the implementation process. Skills & Expertise: Overall experience in the range of 14 to 20 years. 10+ years of strong software development experience of designing and coding on enterprise web-based systems. Experience on Objected Oriented Design, Data modelling skills using UML. Experience with Java 8+; J2EE and Gradle/ Maven. Experience with Spring (Boot, Security) and other Java frameworks. Experience with BPM tools such as Camunda (preferred), jBPM, Activiti, Pega Experience with using Kafka and good understanding of Kafka Architecture. Experience with database applications such as Postgres, Oracle, MySql, DB2 and with JDBC and ORM tools. Experience with source control tools like Git , GitHub, BitBucket, Subversion. Experience with DevOps tools (e.g. Teamcity, Jenkins) and strategies. Experience with Unit Testing tools such as Junit 5. Experience in using coding assistant tools, Gen AI and agentic AI skills Experience with OpenAPI Specification (OAS). Exposure to authentication frameworks like OIDC (Open Id Connect) and Authorisation frameworks OAuth2. Experience using Agile development methodologies. Desirable Skills: Understanding of ACORD data standards. Insurance Industry Experience. Experience with Integration frameworks such as Apache Camel. Designing and working with ESB / EAI and API gateway and management tools Cloud services and platform such as Azure and/or AWS, GCP. Knowledge of DevOps practices – Kubernetes, Docker, etc. Experience with servers such as Tomcat, JBoss and/or Websphere. Best practices on log management and deriving metrics – Elastic, Logstash, Kibana Consulting experience and/or Client engagement presentation skills. What you can expect from us: Unique professional and personal development at one of the pioneer companies in professional insurance support. Ongoing professional training – to onboard you for a good start and your further professional development. Your own growth training budget - use internal and external development opportunities and take advantage of your own budget. LUXMED medical cover for you with full dental care, oncological preventive program and additional mental health support with helpline & individual sessions with a therapist. Flexible work hours (we start between 7:00 and 10:30 am). 8-hour work time with a lunch break already included - spend the rest of the day doing what is important to you as intended in the #2h4Family program. Private life insurance - 80% of the premium is covered by an employer. Employee referral program - we appreciate you recommending your friends to join us. Additional days off - to celebrate your birthday, moreover, if you want to do a volunteering work, feel free to do so with some extra days off. Integration events - monthly delicious breakfasts, movie nights, board game nights, outdoor events. Lively and modern office in the City Centre with parking space for employees. A supportive and friendly atmosphere created by passionate people.