Senior Fullstack Developer

🏢 Summary: The role involves developing and enhancing a top-tier payroll solution for large Belgian organizations using Microsoft Dynamics 365 F&O. You will design and build new features and APIs, maintain the D365FO add-on, and collaborate with stakeholders to deliver high-quality updates and improvements. The position focuses on clean coding, innovation, and technical ownership within an autonomous implementation team. 🗂️ Requirements: Strong experience with Dynamics 365 FinOps, Hands-on experience with X++, Experience with Visual Studio, Experience with Azure DevOps, Experience with LCS, Experience with MS SQL, Fluent English 📃 Skills: Dynamics365, FinOps, X++, VisualStudio, AzureDevOps, LCS, MSSQL, DynamicsAX2009, C#, ATL, PowerPlatform, AzureSQL, DataLake, Dataverse 🏢 Description: 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: Join our Implementation Team team building SD Worx’s top‑tier payroll solution for large Belgian organizations—powered by Microsoft Dynamics 365 F&O. You’ll help drive the product forward, experiment with new ideas, and explore fresh tech. Think of it as crafting clean code with a side of innovation. 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? Become a true expert in our application — you’ll dive in, dissect it, understand it, feel it. Design and build new features and APIs in X++ Enhance and maintain our D365FO add‑on “X‑Tend” Develop and ship clean updates, fixes, and improvements. Hunt down bugs and unravel the kind of issues that make others sigh loudly. Work with analysts, the PM and stakeholders to turn needs into sharp, workable solutions. Help build a squad that works autonomously, makes bold decisions, and consistently delivers value. What do you have to offer? Must‑haves: Strong experience with Dynamics 365 FinOps Hands‑on mastery of X++ Comfortable with Visual Studio, Azure DevOps, LCS, MS SQL Fluent English Bonus points: Dynamics AX2009 C# experience ATL-based automated testing Power Platform (Apps, BI, Automate) embedded in FinOps Azure SQL, Data Lake, Dataverse Build pipeline experience in Azure DevOps Who you are ? You’re someone who: Has a hunger to learn — fast, often, gladly. Takes ownership — “not my problem” isn’t in your vocabulary. Communicates clearly and isn’t afraid to speak up. Enjoys feedback (giving and receiving). Has the curiosity to explore and the discipline to finish. Who you’ll work with A tight, international squad: developers, functional analysts, testers, project managers, and a service/business manager — all driven, supportive, and ready to welcome you. We’re powered by people, not labels. Whatever your background or story — you’re welcome here. 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.

🏢 Summary: Long-term B2B opportunity for a Senior Java Developer to modernize and develop a large-scale CRM platform, focusing on migrating a legacy JBoss monolith to a Spring Boot-based domain-driven architecture. The role involves backend development, system modernization, database migration, and collaboration within cross-functional teams. Work is delivered in a hybrid model within an established development department. 🗂️ Requirements: Commercial experience with Java 21+, Experience with REST API development, Strong knowledge of Spring and Spring Boot, Experience with unit and integration testing (Mockito, Testcontainers, JUnit 5), Proficiency with Git, Experience using Swagger, Ability to work with IntelliJ, Experience with JBoss or JEE5, Knowledge of SQL (Postgres or Sybase), English level B2/C1 📃 Skills: Java, REST, Spring, SpringBoot, JUnit, Mockito, Testcontainers, Git, Swagger, IntelliJ, JBoss, JEE, SQL, Postgres, Sybase, React, Kubernetes, Jenkins, JBPM, Swing, JavaFX 🏢 Description: Client: A leading German telecommunications and IT corporation Start date: ASAP Locations: Warszawa, Poznań, Lublin Work model: hybrid with 3 days/week from the office Engagement: Long-term Form of cooperation: B2B, full-time Working hours: Standard business hours About our client: A leading German telecommunications and IT corporation, recognized for innovative solutions in cloud computing, web hosting, and internet services, is expanding its European Technology Center in Poland. The company is building strong development teams in Warsaw, Poznan, and Lublin to support its long-term digital transformation initiatives. About the project & team: You will join an established development team consisting of three experienced Java developers and one test manager. This team is part of a larger department that includes over 20 developers across several cross‑functional teams. The department is responsible for the company’s core CRM platform, which includes multiple frontends (Java Swing, JavaFX, React) and numerous backend services built in technologies such as JBoss 4/7, WildFly 10, Spring Boot, and Spring Batch. The primary focus of your future team is the modernization of the CRM system, including the migration of business logic from a legacy monolithic JBoss 4 application to a modern, domain‑driven architecture using Spring Boot. Future development includes building new React-based frontends, enhancing backend services, and modernizing database layers (e.g., Sybase migrations). You will work within a stable, collaborative setup, contributing to high-impact solutions used across the organization. Must‑have skills: Java >21 REST Spring / Spring Boot Unit- and Integrations-Tests (Mockito, Testcontainers, JUnit 5) Git Swagger IntelliJ Nice to have skills: Kubernetes JEE5 (JBOSS) SQL (Optimal: Postgres, Sybase) Java Swing or JavaFX JBPM Jenkins (CI/CD) English Level: B2/C1 Responsibilities: Develop and maintain backend services within a large CRM platform. Migrate business logic from a monolithic JBoss 4 system to Spring Boot microservices. Participate in building new frontends (React) and extending backend functionalities. Contribute to database modernization, including migration of Sybase logic. Collaborate closely with developers and the team’s test manager. Ensure high code quality through unit and integration testing. Use best practices in CI/CD, version control, and modern development standards. What We Offer: Competitive compensation: up to 120 PLN/h netto on a B2B contract Flexible settlements: Payments issued in your preferred form Fast invoicing: Short 14‑day payment terms Comprehensive healthcare: Extended private medical care package My Benefit platform: Access to a cafeteria system including Multisport cards and prepaid vouchers (e.g., IKEA, Zalando, Notino, and more)

🏢 Summary: The offer is for a Senior Workday Consultant responsible for leading Workday HCM implementation, enhancement, and optimization projects across key HR processes. The role involves acting as a trusted advisor, configuring and deploying Workday solutions, facilitating workshops, and ensuring high-quality delivery throughout all project phases. The consultant will collaborate with stakeholders, troubleshoot complex issues, and mentor junior team members. 🗂️ Requirements: Proven senior-level experience as a Workday Consultant, Strong knowledge of Workday HCM modules, Experience in Workday configuration, testing, and deployment, Ability to lead functional and technical workshops, Experience in HR process analysis and optimization, Ability to translate business requirements into Workday solutions, Strong analytical and problem-solving skills, Experience troubleshooting complex Workday issues, Fluent English (written and spoken) 📃 Skills: Workday, HCM, Configuration, Testing, Deployment, HRIS, Documentation, English 🏢 Description: In Cyclad we work with top international IT companies in order to boost their potential in delivering outstanding, cutting edge technologies that shape the world of the future. Currently, we are looking for n experienced Senior Workday Consultant to join our team and support clients in designing, implementing, and optimizing Workday solutions across key HR processes. In this role, you will act as a trusted advisor, lead complex functional and technical initiatives, and ensure high-quality delivery throughout all project phases. You will collaborate closely with business and technical stakeholders, facilitate workshops, mentor junior consultants, and drive continuous improvements within Workday environments. Project information: Location: Wrocław Type of employment: B2B contract Remuneration: 200 - 220 PLN net + VAT per hour on B2B Project language: English Responsibilities: Lead Workday implementation, enhancement, and optimization projects. Provide expert guidance on Workday functionalities and best practices. Conduct and facilitate workshops with business and technical stakeholders. Configure, test, validate, and document Workday solutions across multiple functional areas. Analyze HR processes and recommend scalable improvements and optimization strategies. Support clients in translating business requirements into effective Workday solutions. Deliver user training sessions and knowledge transfer activities for internal teams and clients. Troubleshoot and resolve complex functional and technical issues. Ensure project deliverables meet quality standards and timelines. Mentor and support junior consultants within the team. Requirements: Proven experience as a Workday Consultant, including senior-level project involvement. Strong knowledge of Workday HCM and related modules. Experience with Workday configuration, testing, and deployment activities. Ability to lead workshops and communicate effectively with stakeholders at different levels. Strong analytical and problem-solving skills. Experience in HR process analysis and optimization. Excellent documentation and presentation skills. Ability to manage multiple tasks and projects in a fast-paced environment. Strong command of English, both written and spoken. Experience mentoring or guiding junior team members is an advantage. We offer: Private medical care with dental care (covering 70% of costs). Family package option possible. Multisport card (also for an accompanying person). Life insurance. Work with talented engineers on large-scale, technically challenging projects.

🏢 Summary: Senior Java Developer role focused on building and enhancing payment services within a modern microservices architecture. The position involves developing new features, supporting production systems, and ensuring high-quality code in a distributed, cloud-native environment. Work includes collaboration in an international team with partial onsite presence in Warsaw. 🗂️ Requirements: 8+ years of Java development experience, Strong knowledge of microservices architecture, Understanding of distributed systems, Experience with API design, Practical experience with MongoDB, Practical experience with Kafka, Experience with Docker, Experience with Kubernetes, Experience with unit testing, Ability to perform troubleshooting and root cause analysis, Fluent English 📃 Skills: Java, Spring, OpenShift, Kubernetes, Kafka, RabbitMQ, MongoDB, Oracle, Docker, Microservices, REST, JUnit 🏢 Description: About the Project Our client is a paytech company expanding in Europe. You will work in a truly international environment with colleagues across all Nexi group locations. The platform is built on a modern microservices architecture, offering plenty of opportunities to tackle complex challenges and make a significant impact. First customers have already been migrated, but there is still a big backlog of new features that need to be implemented. Work Mode: one day per week at the office is required (Warsaw) Technology stack in use:• Java 21 (Spring Boot 3)• OpenShift / Kubernetes• Apache Kafka / Rabbit MQ for streaming and queuing• MongoDB• Oracle Database• Multiple DevOps tools for development, automation and monitoring Job Responsibilities Design, develop and support testing payment services features together with the team Resolve issues by troubleshooting and root cause analysis and support in production issueanalysis when needed Ensure high quality via unit testing and code reviews Demo and document the results of work in demo sessions Expectations 8+ years of experience with Java development Understanding of microservices architecture and distributed systems Familiarity with API design principles Daily use of MongoDB, Kafka, Docker, Kubernetes Familiarity with agile environment Fluency in English Nice to have: experience in designing and implementing high-throughput, low-latency systems capable of handling large data volumes; Groovy, Maven, Jenkins; Knowledge of the Card Processing domain; We offer Ongoing support from a dedicated agent who is caring about your project continuity, contact with clients, necessary formalities, work comfort, and development. Career Development Program – advice on career planning based on the latest trends and market needs in IT, including consultations with career agents and mentors. Access to 7N Learning & Development – a development and educational platform offering webinars, a library of articles and industry reports, and frequent invitations to both one-time and recurring events focused on technical, business, and lifestyle topics. Spectacular events, both for you (e.g., annual Kick-Off trip , Christmas parties, or Summer Olympics sports events) and for your loved ones (e.g. family picnics), Professional growth Professional growth beyond your current project. You can actively engage in knowledge sharing through the 7N Services offering, designed for 7N clients. Connections and access to the expertise of top IT professionals in the market – the average professional tenure of our consultants in Poland is over 10 years, A complete benefits package, including funding for medical care, life insurance, sports cards for you and your loved ones, as well as discounts in stores in Poland and abroad. About 7N Constantly searching for projects, difficult rate negotiations, lack of development support – sounds familiar? At 7N, you gain not only stability of contracts but also the personal involvement of a dedicated agent who ensures your professional comfort and continuous access to development initiatives. Our mission is to provide stable and rewarding collaborations that drive your success as an IT expert and the success of our clients. We build long-lasting relationships based on Scandinavian values and 30 years of experience creating IT solutions for over 200 organizations.

🏢 Summary: Opportunity for a junior Java developer to work in an agile, international environment delivering high-quality solutions for clients across various industries. The role involves designing, developing, testing, and maintaining reliable code while collaborating with global teams and using modern development practices. Projects include diverse technologies, with a strong Microsoft-based ecosystem and CI/CD practices. 🗂️ Requirements: Bachelor’s or Master’s Degree in Computer Science or related field, 1–3 years of commercial Java development experience, Strong knowledge of object-oriented programming, Understanding of data modelling, Knowledge of design patterns and architectural patterns, Experience with modern system development practices, Ability to perform unit and manual testing, Good English communication skills 📃 Skills: Java, OOP, DataModeling, DesignPatterns, Architecture, UnitTesting, .NET, C#, EntityFramework, MVC, AzureDevOps, Docker, SonarQube, Git, CI/CD 🏢 Description: Are you ready to take on a job in a leading IT services company where you will work alongside professionals from around the world? Take your career to the next level and develop your skills with us. Together, we’ll create strong, sustainable societies, successful companies, and better lives for us all. About the job An agile, international environment Clients from across different domains and industries Find bottlenecks, bugs and devise solutions Unit and manual testing, delivering high-quality solutions Design, develop, and maintain reliable code using the best practices Produce high-quality deliverables Accommodate business and technical requirements Work with different languages and technologies (they vary from project to project), a large part of our tech stack is Microsoft (.NET 6, C#, Entity Framework, MVC) with Azure DevOps, Docker, SonarQube, and Git for CI/CD)). About you: Graduate (Bachelor’s or Master’s Degree) of Computer Science or other related numerate discipline Have at least 1-3 years of commercial Java development experience after graduation Good English skills, both spoken and written Strong understanding of object-oriented programming and data modelling Familiar with various design, architectural patterns and modern system development Open towards and able to quickly learn new technologies Our perks and benefits: Access to the Benefit Platform (Medical Insurance, Life Insurance, Multisport card etc.) Scandinavian work environment Drinks and snacks available at the office Professional IT skills development support Internal training at the Netcompany Academy International cooperation with colleagues from Denmark, Norway, the UK and Vietnam Attractive offices with a great location in Warsaw: Puławska 180 (Metro Wilanowska) and Wronia 10 (Metro Rondo Daszyńskiego) English and Danish lessons at the office In Netcompany we believe that a diverse and inclusive workplace is central to our success, which is why all qualified candidates are invited to apply regardless of gender, sexual orientation, disability, age, religion and belief, ethnic background, nationality, gender identity or culture. We are committed to live out a culture where we provide equal opportunities for all.

🏢 Summary: Development role focused on building and maintaining complex C# applications and SQL Server databases for a B2B SaaS platform supporting operational and financial management. The position involves full lifecycle development, database design, multithreaded programming, and ongoing system maintenance. Work includes collaboration within a rotating team in a hybrid or remote setup in Poland. 🗂️ Requirements: 5+ years of C# and SQL Server development experience, Strong SQL Server database design and development skills, Experience developing multithreaded applications, Ability to design and maintain schemas, tables, views, functions, and stored procedures, Experience working across full software development life cycle, Proficiency with GIT version control, Familiarity with Control-M or other job scheduler, Bachelor's degree in Computer Science or related field 📃 Skills: C#, SQLServer, T-SQL, GIT, Control-M, Multithreading, StoredProcedures, Databases 🏢 Description: Our B2B SaaS platform helps small and mid-sized companies—especially software houses—manage their daily operations in one place. It keeps track of clients and contracts, project details and team members, invoicing, employee records and salaries, contract changes, and vacation requests, making it easier to plan work, organize resources, and stay on top of everything. Industry : Finance/ Management Location : Kraków / Hybrid/ Remote from Poland Responsibilities Develop, maintain, and troubleshoot complex C# and SQL Server applications, including multithreaded applications Design, develop and maintain SQL Server database schemas, tables, views, functions, and stored procedures Participate in the full software development life cycle from planning and design to implementation and maintenance Write clean, maintainable, and efficient code that adheres to industry best practices and coding standards Collaborate with team members, product owners, and stakeholders to ensure project objectives and deliverables are met in a timely fashion Participate in code reviews, testing, and deployment Work with the GIT version control system to manage code repositories, merges, and branches Be familiar with Control-M or any other job scheduler Troubleshoot and debug issues as they arise, and ensure that they are resolved in a timely manner Stay up-to-date with the latest technologies and industry trends related to C# and SQL Server development Team & Collaboration Rotating team depending on project needs Regular meetings: Daily Standups (12:30PM) and retrospectives - after release Communication : Chat, emails, and calls Working hours: usually 9:00–17:00 CET Qualifications: 5+ years of experience in C# and SQL Server development Strong knowledge of SQL Server database design and development Experience with Python is a plus Familiarity with GIT version control and Control-M Strong problem-solving skills and ability to think critically Excellent written and verbal communication skills Ability to work effectively in a team environment Bachelor's degree in Computer Science or a related field Nice to have: Javascript CSS/HTML MVC React.js Please note that the interview process is divided into four parts: Technical phone screening (~30 minutes) Technical interview (~2 hours) Non-technical call with HR team (~30 minutes) Call with client for which you will be working Perks, Snacks & Everything Nice :) Work Environment & Flexibility Top-quality equipment to support your work Flexible working hours Remote work option Exciting and challenging projects with international teams Learning & Development English lessons with a native speaker Dedicated training budget for personal and professional growth Health & Well-being Private medical insurance Multisport card Air-conditioned workspace Showers available at the office Food & Comfort Lunches from Kraków’s top restaurants delivered to the office or a refund of the budget allocated for it Fully stocked kitchen with drinks, fruit, and snacks Lifestyle & Fun No dress code — dress comfortably Chillout area with bean bags, therapy balls, PlayStation 4, Nintendo Switch 2 + games, stretching area, and pull-up bar Regular team events Additional Perks Indoor bicycle parking Wyrażam zgodę na przetwarzanie moich danych osobowych przez Montrose Software zgodnie z Polityką Prywatności . English Version: I consent to Montrose Software processing my personal data according to the Privacy Policy Zapoznałem sie z Polityka Ochrony Sygnalistów Montrose Software. English Version: I consent to the Montrose Software Whistleblower Protection Policy.

🏢 Summary: Hybrid Senior FullStack Developer (Java & Angular) role focused on building and maintaining scalable credit applications for international banking operations within a modern technology hub. The position involves full lifecycle development of microservices-based systems aligned with regulatory and group standards. You will contribute to high-impact financial projects in a distributed, Agile environment. 🗂️ Requirements: Minimum 4 years of experience as FullStack Developer, Minimum 2-3 years of experience with Angular 8+, Minimum 2-3 years of experience with Java 11+, Experience with Spring Framework (Boot, Batch, Security), Experience with RESTful microservices, Experience with SQL and PL/SQL, Experience with Oracle databases, Experience with Hibernate and JUnit, Experience with CI/CD tools (Jenkins), Understanding of Agile methodologies, Fluent English, Legal right to work in the European Union 📃 Skills: Java, Angular, TypeScript, JavaScript, HTML, CSS, JSON, XML, Hibernate, JUnit, Spring, SpringBoot, SpringBatch, SpringSecurity, REST, Microservices, SQL, PLSQL, Oracle, Jenkins, CI/CD 🏢 Description: Warsaw or Krakow-based opportunity with a hybrid work model, offering 4 remote days per week. As a Senior FullStack Developer – Java & Angular , you will be working for our client, a leading European bank that operates across 72 countries and is driving a cutting-edge tech revolution. Join a new, state-of-the-art hub dedicated to developing critical banking systems for global organizations, pushing the boundaries of financial technology and innovation. Your main responsibilities: Develop and design highly scalable credit applications to support international banking operations Analyze user requirements, develop specifications, and design, code, test, and implement systems aligned with group standards and regulatory requirements Handle development and design projects with proactive estimation, planning, and status reporting to management across locations in Paris/India and ISPL Follow best practices and quality processes for software development Work independently on assigned tasks, with potential mentoring of team members on technical and functional topics Contribute to code reviews and ensure the ongoing maintenance and refactoring of applications Ensure seamless application maintenance and continuous improvement of code quality You're ideal for this role if you have: At least 4 years of experience as a FullStack Developer Proven expertise in Angular 8+ (preferably Angular 14), JSON, XML, TypeScript, JavaScript, HTML, CSS (minimum 2-3 years) Strong background in Java 11+ (project currently runs on Java 17), JDK 8+, Hibernate, JUnit, Spring Framework (Boot, Batch, Security), and RESTful microservices (minimum 2-3 years) Experience working with SQL and PL/SQL, Oracle databases Good understanding of Agile methodologies, web services, APIs, and micro-services architecture Knowledge of DevOps principles & tools such as Jenkins for CI/CD pipelines Excellent communication skills with a high level of soft skills Fluent English proficiency It is a strong plus if you have: Banking or financial industry experience and domain knowledge Language required for the role: Fluent English Eligibility to work on this role: Only candidates with an existing legal right to work in the European Union will be considered for this role. We offer you: ITDS Business Consultants is involved in many various, innovative and professional IT projects for international companies in the financial industry in Europe. We offer an environment for professional, ambitious, and driven people. The offer includes: Stable and long-term cooperation with very good conditions Enhance your skills and develop your expertise in the financial industry Work on the most strategic projects available in the market Define your career roadmap and develop yourself in the best and fastest possible way by delivering strategic projects for different clients of ITDS over several years Participate in Social Events, training, and work in an international environment Access to attractive Medical Package Access to Multisport Program Access to Pluralsight Flexible hours & remote work Internal job number #8030 You can report violations in accordance with ITDS’s Whistleblower Procedure available here .

🏢 Summary: Remote B2B opportunity for a senior .NET Developer to design, build, and maintain complex web applications using modern cloud and microservices architecture. The role focuses on C#/.NET development, cloud platforms, DevOps practices, and AI-augmented workflows. You will contribute to full lifecycle development, automated deployments, and high-quality engineering standards. 🗂️ Requirements: Minimum 5 years of professional experience as .NET or Fullstack Developer, Strong experience with C# and .NET/.NET Framework, Experience with ASP.NET MVC Core, Experience with Blazor and React, Experience with MS SQL and Entity Framework, Experience with Azure or AWS, Experience with microservices and event-driven architecture, Experience with Kubernetes and Docker, Knowledge of SOLID principles, Experience with Git version control, Proficiency in using AI tools for code generation, testing, and refactoring, Experience working in Agile methodologies, English level B2 or higher 📃 Skills: C#, .NET, ASP.NET, MVC, Blazor, React, Azure, AWS, AzureFunctions, SQL, MSSQL, EntityFramework, MongoDB, Kubernetes, Docker, Microservices, SOA, Git, SOLID, AI, DevOps 🏢 Description: Hi there! We are STX Next, a global IT consulting company specializing in customer-focused software services. Join a group of 500 professionals dedicated to helping customers build outstanding products. Leveraging the latest advancements in the field, and a passion for innovation, we're shaping the future of technology one project at a time. Are you the NEXT one? Type of contract A B2B contract for your flexibility and competitive compensation package Location A remote work model encouraging work-life balance. Salary Up to 25 200 PLN net+VAT Job description We are looking for a skilled .Senior Fullstack Developer (.NET + Blazor / Angular) with experience in ASP.MVC Core, EntityFramework, SQL, Mongo, and Azure/AWS. The ideal candidate will have a strong understanding of web development principles and be able to design, develop, and maintain complex web applications. Responsibilities Designing, developing, and maintaining applications using .NET technologies. Writing clean, maintainable, and efficient code. Troubleshooting and debugging applications. Implementing security and data protection. Collaborating with team members for continuous improvement. Staying up-to-date with new technology trends. Designing, implementing, and maintaining automated builds and deployment. Spreading knowledge about new and relevant technologies among the development team. Coding features (data access, business logic, and UI), fixing bugs, and writing unit tests. Testing and documenting (if required to help the team achieve goals). Helping with production issues. Helping to develop/maintain the DevOps culture in the organization. Conducting code reviews of other team members. Requirements Must have: Minimum 5 years of professional experience as a .NET or Fullstack Developer, with a strong focus on C#, .NET, .NET Framework, and ASP. NET MVC Core. Experience with web and cloud technologies, including Blazor, React, Azure Functions , MS SQL, and Entity Framework. Solid background in modern architecture, specifically microservices (SOA), event-driven design, Kubernetes, and Docker. Deep understanding of engineering best practices, including web development principles, SOLID, and Git version control. Proficiency in using Agentic AI in daily workflows for code generation, reviews, documentation, testing, and refactoring. Experience working in Agile methodologies, demonstrating initiative and the ability to deliver results without close supervision. Strong analytical, problem-solving, and communication skills, combined with an internal drive for technical excellence. High adaptability and a positive "can-do" attitude, with the ability to change direction based on lessons learned. English proficiency at a B2 level or higher. Nice to have: Ability to create containerized applications. Ability to choose and configure the correct MCP for the project needs. Experience with CQRS pattern using MediatR. Experience with GraphQL, GRPC. Experience with integrating AI tools into team workflows. Experience with defining and configuring AI-augmented workflows using structured formats (XML, YAML). Good understanding of serverless architecture and Azure Cloud/AWS. Knowledge of NoSQL databases like MongoDB, Redis, Duck DB. Benefits Remote-First Flexibility Stay where you feel most productive. Here’s a remote-first environment with the freedom to set your own schedule. Whether you need a midday break or a specific routine, we trust you to manage your time and deliver results while maintaining your personal well-being. Cafeteria System & Health Membership We provide access to premium medical packages which include Medicover Sport. You can also choose a MultiSport card and group insurance options. All these packages are managed through Cafeteria System, giving you the autonomy to choose exactly what fits your lifestyle. Collaboration Mindset Facing a complex challenge? At STX Next, you collaborate with true enthusiasts and experts who prioritize professional support and direct, honest feedback. Tech Events Gain access to specialized knowledge through bootcamps, Strategic Skills Labs, and Tech Knowledge Hubs focused on AI, Data, and Cloud. Beyond our internal webinars and technical materials, we host branded meetups like DevDuck and PAIDA . In-person Networking We support autonomy by enabling project groups to set up their own internal meetings in a location they prefer, often in our Poznań or Gliwice offices, which are great for coordination and building professional relationships. We also take a break from our screens twice a year for our Summer and Winter events. Professional Toolkit Prior to your first day as a NEXTer, you will receive a top-tier equipment setup: laptops, monitor, and peripherals tailored to your needs and specific project role. Additionally, we can provide access to external accounting assistance to help you set up and manage your B2B activity in Poland. And much more, find out HERE

🏢 Summary: Lead Software Engineer role focused on building secure, scalable, and high-performing solutions using .NET, Angular, and Azure within a scrum-based product development team. The position combines hands-on development with architectural responsibilities across the full software lifecycle. The role emphasizes engineering excellence, quality assurance, and cloud-based solution design. 🗂️ Requirements: 4+ years experience with JavaScript, 4+ years experience with TypeScript, 4+ years experience with Angular, 4+ years experience with HTML, 4+ years experience with CSS/SASS, 4+ years experience with Node.js, 2+ years experience with C#, 2+ years experience with .NET, Experience with Webpack, Experience with NX, Experience with Angular CLI, Experience building responsive and accessible web applications, Strong knowledge of REST APIs, Experience with NGRX, Knowledge of OOP and SOLID principles, Experience with Azure cloud services, Experience with CI/CD pipelines, Experience with TDD or BDD, Experience with code quality tools, Strong knowledge of software testing methodologies 📃 Skills: JavaScript, TypeScript, Angular, HTML, CSS, SASS, Node.js, C#, .NET, Azure, REST, NGRX, Webpack, NX, AngularCLI, OOP, SOLID, CI/CD, TDD, BDD, SonarQube 🏢 Description: WHO WE ARE Join some of the most innovative thinkers in FinTech as we lead the evolution of financial technology. If you are an innovative, curious, collaborative person who embraces challenges and wants to grow, learn and pursue outcomes with our prestigious financial clients, say Hello to SimCorp! At its foundation, SimCorp is guided by our values — caring, customer success-driven, collaborative, curious, and courageous. Our people-centered organization focuses on skills development, relationship building, and client success. We take pride in cultivating an environment where all team members can grow, feel heard, valued, and empowered. WHY THIS ROLE IS IMPORTANT FOR US You will join a new team in Platform Product Development. As a Lead Software Engineer, You will leverage your expertise in .NET technologies , Angular frontend development , and the Azure cloud ecosystem to deliver secure, scalable, and high-performing solutions. This role requires a strong mix of hands-on engineering, and architectural thinking to ensure both immediate delivery and long-term sustainability. You will be part of a scrum team working closely with Product Owner and business stakeholders. Besides your team you will work with other colleagues across our unit WHAT YOU WILL BE RESPONSIBLE FOR: You will apply your talents to all stages of the development lifecycle, including review of user stories, development, design, code reviews and writing automated tests. Work closely with product owner and other stakeholders to understand project requirements and provide technical insights. Setting up engineering excellence inside your team and continuously improving it Development of new functionalities. Taking care of quality assurance, refactor existing code, research tools and frameworks to enable future innovations. Work as part of your scrum team to reach the definition of done within each sprint. WHAT WE VALUE Over 4 years of hands-on experience with JavaScript, TypeScript, HTML, CSS/SASS, Angular framework and Node.js Over 2 years of hands-on experience utilizing .NET technologies, with a focus on C# and Microsoft .Net . Familiarity with front-end build tools ( Webpack, NX, Angular CLI ) Experience building responsive, accessible, and mobile-friendly web applications. Solid understanding of REST APIs , state management ( NGRX ), and browser performance tuning Knowledge of design patterns and principals (OOP, SOLID) and proven ability to use them in practice Knowledge of cloud services, infrastructure, pipelines, and architecture — preferably on Azure Practical knowledge of software development practices (like TDD, BDD) Hands-on experience doing peer reviews and utilizing code quality tools like SonarQube Experience in CI/CD and understanding of DevOps principles Strong fundamentals in software testing tools, techniques and methodologies. Strong problem-solving skills and the ability to make sound technical decisions. BENEFITS Flexible working hours and hybrid model - 2 days in the office, 3 days remote Modern office (next to Wilanowska metro station) with quiet zones and ergonomic workstations Base salary with annual bonus structure Holiday allowance upon a 2-week vacation Occasional remote work across Poland and international options available (up to 24 days domestic, 20 days international per year - subject to internal policy) Employer-paid Medicover Platinum healthcare package (employee-paid family upgrade available) Multisport card with 75% employer contribution Unum group life insurance (employee-paid upgrade available) Medicover travel insurance for private trips and global business travel insurance Possibility to join Deutsche Börse Group Share Plan (eligible after 1 year) Copyrights program for certain roles Possibility to develop your career in an international environment Professional training and courses provided by SimCorp Polish language classes for foreign employees; German and English classes based on business needs Integration events, volunteering initiatives and employee-led clubs Compensation ranges are being disclosed at the initial stage of candidate engagement. NEXT STEPS Please send us your application in English via our career site as soon as possible, we process incoming applications continually . Please note that only applications sent through our system will be processed. At SimCorp, we recognize that bias can unintentionally occur in the recruitment process. To uphold fairness and equal opportunities for all applicants, we kindly ask you to exclude personal data such as photos, age, or any non-professional information from your application. Thank you for aiding us in our endeavor to mitigate biases in our recruitment process. If you are interested in being a part of SimCorp but are not sure this role is suitable, submit your CV anyway. SimCorp is on a positive growth journey, and our Talent Acquisition Team is ready to assist you discover the right role for you. The approximate time to consider your CV is three weeks. We are focused on continually improving our talent acquisition process and making everyone’s experience positive and valuable. Therefore, during the process we will ask you to provide your feedback, which is highly appreciated.

🏢 Summary: Software Engineer role in an agile product team developing and maintaining core functionality for a financial technology platform. The position involves working across the full development lifecycle, modeling financial instruments using domain-specific languages, and contributing to automated testing and CI/CD processes. The role focuses on functional programming within complex front-end and back-end architectures in the financial domain. 🗂️ Requirements: Proficiency in one or more functional programming languages (OCaml, Standard ML, F#, Scala, Haskell), Experience building large and complex software solutions, Strong understanding of object-oriented design and programming, Knowledge of C# and .NET framework, Ability to work with complex front-end and back-end architectures, Experience with automated testing and CI/CD pipelines, M.Sc. or Ph.D. in Computer Science, Mathematics, Finance or related field, Fluency in English 📃 Skills: OCaml, StandardML, F#, Scala, Haskell, C#, .NET, DSL, CI/CD, OOP, Agile 🏢 Description: Job Advertisement WHAT MAKES US, US Join some of the most innovative thinkers in FinTech as we lead the evolution of financial technology. If you are an innovative, curious, collaborative person who embraces challenges and wants to grow, learn and pursue outcomes with our prestigious financial clients, say Hello to SimCorp! At its foundation, SimCorp is guided by our values — caring, customer success-driven, collaborative, curious, and courageous. Our people-centered organization focuses on skills development, relationship building, and client success. We take pride in cultivating an environment where all team members can grow, feel heard, valued, and empowered. If you like what we’re saying, keep reading! WHY THIS ROLE IS IMPORTANT TO US As our new Software Engineer, you will join SimCorp’s Product Division, a full-scale agile organization. Here, you will become part of a cross functional and cross located agile team which is responsible for delivering functionality within a specific module of our product SimCorp Dimension. You will apply your talents to all stages of the development lifecycle, including creation and review of user stories, development, design, testing, coding, code reviews, writing automated tests, and support. You will be using multiple technologies. WHAT YOU WILL BE RESPONSIBLE FOR Developing core functionality to support the business modules, including modelling financial instruments business processes by using a collection of DSLs (domain-specific languages) Working with product management to refine new features Maintaining the existing code base Be part of reviewing product code and formulate test scenarios Working as part of your agile team to reach the definition of done each sprint Constantly learning and developing yourself, the team and our product Your qualifications A solid understanding of one or more functional programming languages (OCaml, Standard ML, F#, Scala, Haskell) and experience of using them for large and complex solutions C# skills, good insight to the .NET framework and object-oriented software design and programming is an advantage You are a collaborative professional who actively seeks partnership to find optimal solutions You are interested and able to work with complex architecture, both front- and back-end You hold a M.Sc. or Ph.D. in Computer Science, Mathematics, Finance or a similar field What we value that you have motivation to work within the financial domain are willing to acquire other technical and programming skills have the aspiration to develop and maintain automated tests, underlying frameworks, and their integration into CI/CD pipelines have collaboration and communication skills and fluency in English (written and spoken) Consistently learn through experimentation when addressing the latest problems, leveraging lessons learned from both accomplishments and setbacks can introduce new ways of looking at problems and that you can take creative ideas and put them into practice think about the entire system and can identify and implement ways to continuously improve BENEFITS Flexible working hours and hybrid model - 2 days in the office, 3 days remote Modern office (next to Wilanowska metro station) with quiet zones and ergonomic workstations Base salary with annual bonus structure Holiday allowance upon a 2-week vacation Occasional remote work across Poland and international options available (up to 24 days domestic, 20 days international per year - subject to internal policy) Employer-paid Medicover Platinum healthcare package (employee-paid family upgrade available) Multisport card with 75% employer contribution Unum group life insurance (employee-paid upgrade available) Medicover travel insurance for private trips and global business travel insurance Possibility to join Deutsche Börse Group Share Plan (eligible after 1 year) Copyrights program for certain roles Possibility to develop your career in an international environment Professional training and courses provided by SimCorp Polish language classes for foreign employees; German and English classes based on business needs Integration events, volunteering initiatives and employee-led clubs Compensation ranges are being disclosed at the initial stage of candidate engagement. NEXT STEPS Please send us your application in English via our career site as soon as possible, we process incoming applications continually . Please note that only applications sent through our system will be processed. At SimCorp, we recognize that bias can unintentionally occur in the recruitment process. To uphold fairness and equal opportunities for all applicants, we kindly ask you to exclude personal data such as photo, age, or any non-professional information from your application. Thank you for aiding us in our endeavor to mitigate biases in our recruitment process. If you are interested in being a part of SimCorp but are not sure this role is suitable, submit your CV anyway. SimCorp is on an exciting growth journey, and our Talent Acquisition Team is ready to assist you discover the right role for you. The approximate time to consider your CV is three weeks. We are eager to continually improve our talent acquisition process and make everyone’s experience positive and valuable. Therefore, during the process we will ask you to provide your feedback, which is highly appreciated. WHO WE ARE? For over 50 years, we have worked closely with investment and asset managers to become the world’s leading provider of integrated investment management solutions. We are 3,000+ colleagues with a broad range of nationalities, educations, professional experiences, ages, and backgrounds. SimCorp is an independent subsidiary of the Deutsche Börse Group. Following the recent merger with Axioma, we leverage the combined strength of our brands to provide an industry-leading, full, front-to- back offering for our clients. SimCorp is an equal opportunity employer and welcome applicants from all backgrounds, without regard to race, gender, age, disability, or any other protected status under applicable law. We are committed to building a culture where diverse perspectives and expertise are integrated into our everyday work. We believe in the continual growth and development of our employees, so that we can provide best-in-class solutions to our clients. #Li-Hybrid