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I am extending our SAP Business One environment (connected to SAP S/4HANA) with a bespoke HR add-on and need an expert who can walk my in-house team through every step. Your main focus will be a Payroll Management module that handles salary calculation, tax computation, and leave management, built with both the DI API and UI API. Here is what I expect from the engagement: • Architectural guidance on designing an SAP B1 add-on that blends seamlessly with the core system and our S/4HANA landscape. • Hands-on coaching sessions—code walkthroughs, sample projects, and best-practice patterns—for DI API and UI API usage. • Development of reusable code snippets or templates covering salary runs, statutory tax rules, and leave accrual tracking. • Help setting up test scenarios, debugging techniques, and deployment packaging so my team can maintain the solution independently. • Clear technical documentation and a brief knowledge-transfer wrap-up. If you have successfully delivered HR or payroll extensions for SAP Business One before and can communicate concepts clearly, I would love to collaborate with you.
Project ID: 40444693
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12 freelancers are bidding on average ₹8,725 INR for this job

With extensive experience in web and mobile development and a deep understanding of various programming languages such as Java, PHP, .NET, I firmly believe I am the perfect candidate to enable your in-house team to create a robust HR add-on for your SAP B1 environment. Recognizing the complexity of your project, my team and I have mastered not only the DI API but also UI API's intricacies that will be crucial in building a seamless payroll management module. What sets me apart from other candidates is my commitment to delivering high-quality work that not only meets clients' expectations but continues to support them beyond project completion. My company provides free 3 months support for existing development – giving you an assurance that even after this project is completed, we will stand by our work. Moreover, I possess a keen eye for detail and clear communication skills which helped me accomplish successful projects throughout my 9+ years of experience. Working on cross-browser compatible websites and mobile-apps on multiple platforms have taught me the significance of subtle details like creating reusable code snippets making maintenance easier - something your project specifically demands. Let me lead your team through this add-on extension journey, turning your vision into reality while creating a sustainable solution for you.
₹15,000 INR in 7 days
4.6
4.6

Hello I have more than 8 years of experience as sap b1 addon development. Hands-on experience on sap b1 ,hana . Providing reliable and trustworthy solution in give time
₹10,000 INR in 10 days
2.7
2.7

With over a decade of experience in full-stack technology solutions, we at Mitraa Technology are uniquely positioned to help streamline your SAP Business One environment with our bespoke HR add-on expertise. Our exemplary understanding of enterprise software and API integrations combined with our proficiency in developing AI/ML solutions makes us your ideal partner in transforming your HR processes. Our track record includes successful end-to-end project delivery, right from ideation to development, deployment and ongoing support. These experiences can be directly applied to your payroll management module, ensuring a seamless blend with your existing systems and efficient handling of salary calculation, tax computation and leave management.
₹5,000 INR in 7 days
0.0
0.0

“Working on SAP Business One payroll is like trying to choreograph salary, tax law, and leave rules into one perfectly synchronized machine ??” — this engagement requires deep SAP Business One add-on development, DI API & UI API expertise, S/4HANA integration knowledge, payroll logic design, tax compliance handling, and strong software architecture coaching ability. Your environment already has SAP B1 connected to S/4HANA, but the key gap is a structured HR/payroll extension that is maintainable, compliant, and properly aligned with SAP’s event-driven architecture. The main challenge is not just coding payroll logic, but ensuring correctness in salary calculation, tax rules, leave accruals, and seamless integration with SAP core data models without breaking upgrade compatibility. I would approach this by designing a clean SAP B1 add-on architecture, guiding your team through DI API/UI API patterns, providing reusable payroll modules, and setting up structured debugging, testing, and deployment workflows. I will also ensure your team gains full independence through clear documentation, coaching sessions, and real-world sample implementations for payroll cycles and statutory calculations. Calm, structured, and enterprise-focused mentoring combined with practical SAP development execution ?♀️
₹3,500 INR in 2 days
0.0
0.0

We recently assisted a client with a similar setup, ensuring their application ran seamlessly on the new environment without disrupting existing workflows. I can guide your team through designing and developing the Payroll Management module, focusing on clean integration with SAP Business One and S/4HANA. My approach includes hands-on coaching, practical code examples, and best practices to empower your in-house developers. I’ll help set up test scenarios, debug effectively, and package deployments, ensuring your team can confidently maintain the solution independently. This is exactly the kind of project where a structured, detail focused approach makes all the difference, and that’s what I bring. Your emphasis on well-documented, reusable templates and seamless architectural guidance aligns perfectly with my experience. Regards Sebastian
₹4,400 INR in 14 days
0.0
0.0

I have experience working on ERP-based projects including HR & Payroll modules in SAP Business One. I can develop/customize a Windows desktop application with features similar to SAP B1 workflow and business process handling. My expertise includes:
₹12,000 INR in 15 days
0.0
0.0

Dear Hiring Manager, I am highly interested in your SAP B1 HR Add-On Guidance project. With strong experience in SAP ecosystem consulting, enterprise process design, workflow automation, and SAP business applications, I can provide effective guidance for your SAP Business One HR add-on requirements. I understand the importance of building scalable, upgrade-safe, and business-aligned SAP B1 add-on solutions for HR functionalities such as payroll, attendance, employee management, approvals, reporting, and integrations. SAP B1 add-ons are widely used to extend core ERP functionality through SDK-based customization, Service Layer integration, and workflow automation. My expertise includes: • SAP Business Process Mapping & Functional Consulting • SAP workflow and approval management • HR process understanding including payroll, attendance, and employee lifecycle • SAP integration concepts and enterprise architecture • Requirement gathering, GAP analysis, and solution guidance • SAP add-on implementation coordination and documentation • UAT/testing support and business Industry best practice recommends using SAP B1 SDK, Service Layer, UDFs, and external integration methods to ensure future upgrade compatibility and system I am committed to delivering practical, business-oriented guidance with clear communication and timely support throughout the engagement. Looking forward to discussing your requirements in detail. Best Regards, Tejas Pujara SAP Consultant
₹12,500 INR in 7 days
0.0
0.0

I have work with oracle 12- g customize ERP legacy System including modules(CRM,Financials,HR,Inventory) . Also I work with SAP B1, I make customize Gate Pass Application that is integrated with SAP B1 through it's Service Layer. Material gets into factory after quality check automatically GRN Created in SAP. I make sure that no duplicate record of GRN post. I ensure that GRN reflect the same GL as with manual entry, all child tables of Good Receipt are filled correctly. I make the process automate and reduce the company time for days to seconds.
₹7,000 INR in 7 days
0.0
0.0

Udaipur, India
Member since May 15, 2026
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