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Senior Microsoft Dynamics 365 Business Central / AL Engineer

About the project

We are looking for a Senior Microsoft Dynamics 365 Business Central / AL Engineer to contribute to the development and evolution of commercial and financial systems within an international e-commerce technology environment.

The project focuses on the migration from a custom-built commercial platform to Microsoft Dynamics 365 Business Central, supporting key business processes such as billing, invoicing, revenue recognition and integrations with other systems.

In this role, you will contribute to the development and evolution of the Business Central environment, working closely with the Product Owner, Finance stakeholders and fellow developers.

Key responsibilities

  • Design, develop, test and maintain Microsoft Dynamics 365 Business Central solutions using AL.
  • Develop and maintain Business Central extensions, custom functionality and integrations with external systems.
  • Contribute to the migration from a custom commercial platform to Business Central.
  • Work closely with the Product Owner, Finance stakeholders and developers to understand business requirements and translate them into reliable technical solutions.
  • Participate in the full development lifecycle, including refinement, solution design, implementation, testing, code reviews and deployment.
  • Review AL code and technical solutions, identifying potential risks, improvements and alternative approaches.
  • Apply software engineering best practices, including version control, automated testing and CI/CD.
  • Provide technical guidance and mentoring to existing developers through knowledge sharing, pairing and constructive code reviews.
  • Support architectural and technical decisions related to Business Central extensions, integrations and platform capabilities.
  • Leverage AI-assisted development tools while ensuring code quality, reliability and maintainability.

Required skills & experience

  • Strong hands-on experience with Microsoft Dynamics 365 Business Central and AL development.
  • Solid understanding of Business Central architecture, extensions, APIs, integrations and platform behaviour.
  • Experience designing, developing and maintaining Business Central customisations and integrations.
  • Strong software engineering practices, including Git, collaborative code reviews, automated testing and CI/CD.
  • Good understanding of accounting and financial processes, particularly billing and invoicing.
  • Experience working in cross-functional engineering teams alongside Product Owners, developers and QA.
  • Ability to evaluate technical approaches and deliver maintainable, scalable solutions.
  • Experience mentoring developers, sharing technical knowledge and providing constructive feedback.
  • Practical familiarity with AI-assisted development tools, including reviewing and improving AI-generated code.
  • Strong communication, analytical and problem-solving skills.

Nice to have

  • Experience with Business Central Finance functionality, including revenue recognition.
  • Experience with Microsoft Dynamics NAV to Business Central migrations.
  • Familiarity with HubSpot, Microsoft SharePoint, Avalara, finAPI, OPplus or ForNav.
  • Experience with Azure DevOps and automated AL testing.
  • Previous experience with commercial systems, ERP integrations or financial processes in an e-commerce or SaaS environment.

Why join?

  • Contribute to a significant Business Central transformation within an international e-commerce technology environment.
  • Work on business-critical systems with a direct impact on commercial and financial operations.
  • Take on a role that combines hands-on development with technical ownership and knowledge sharing.
  • Collaborate with experienced professionals across engineering, product and Finance.
  • Help shape technical approaches and establish sustainable solutions for the long term.
relocation package
competitive compensation packages
performance bonuses
flexible working hours
job rotation
learning through Arnia Academy
attractive projects
trainings
international work experience
referral program
medical benefits
about-us-background

At Arnia, we are a diverse and passionate team of software development engineers, quality assurance engineers, business analysts, system administrators, and managers, united by our shared dedication to creating high-quality software solutions and delivering exceptional services to our valued customers and partners.

We believe in customer satisfaction as being the single most important goal we want to achieve in everything we do. But we also believe that we can reach this goal while having fun at work, making friends, and enjoying working together. We have game evenings, nights out and team building events to help us know each other better and spend quality time together. Also, we have a flat organization, with no unnecessary hierarchies and where you reach the management easily.

In Arnia you will meet very skilled software engineers with rich academicals background, with passion for innovation and continuous education, self-driven and oriented toward results. At the same time, they are people with high sense of humour, fun and informal, that value friendship, trust and a nice working environment.

Excellence is achieved step by step, it is a journey we always take together as a team and as a modern organization.

We recognize the value of each individual, we value diversity and we support your development career – your success is our success! We take pride in helping our people to develop their career, continuously improving their skills and their technical knowledge and to fully reach their own development goals.

about-us-background

People are different, they are coming from various cultures and are motivated by different things:

  • The financial interests
  • The career development plan
  • The technologies and the projects
  • The work-life balance
  • The opportunities to travel abroad

Why Arnia?

We recognize people’s diversity and we try to meet everyone’s goals.

  • Game Evenings
  • Nights Out
  • Team Buildings
  • Trainings

Arnia encourages you to pursuit your own interests, projects and ideas – passion can turn small things into big things – we want to be part of your own individual success. Let us know your ideas and your personal interests and we will find a way to support you.

Relocation Package
Competitive Compensation Packages
Flexible Working Hours
Job Rotation
Performance Bonuses
Medical Benefits

Not the least, we have class A offices, located in Piata Victoriei – Europa House building, next to the metro stations and to other transportation means. It is very easy to get to work and you will enjoy the quality and the lifestyle of our offices.

Attractive Projects
International Work Experience
Referral Program
Learning Through Arnia Academy

And if you like all these, why don’t you join us?

communication-and-media

Whatever role you choose to pursue in our organization, as long as it aligns with our company goals and values, we will support you all the way. We provide for each employee:

  • A clear development plan for your career
  • Mentoring support, to help you grow in our organization
  • Customized trainings and courses
  • Periodical 1:1 meeting with your direct manager and upper management
  • Annual performance reviews
  • Constant feedback and career development support

Also, you will have the chance to mentor other people, to contribute to their growth and to help them with their career development. As a family, we support each other to achieve our best potential and to contribute better to the organization success.

In Arnia we need more than just excellent software engineers – we need highly skilled technical leaders, business analysts, and managers. And they are usually found within our own organization – they are people who showed great skills as individual contributors and choose to follow a leading role. Growing as a leader requires the development of specific skills, such as: people management, social awareness, self-awareness and leadership vision. If you are up to the challenge, we will support you and we will provide the best opportunities to show your talent and dedication.

communication-and-media

And if you choose to be a full-time individual contributor, you will get the chance to develop your engineering skills, enrich your technical knowledge and promote to senior levels – it’s up to you and us to find together the best path for your career.

I joined the Arnia team in 2011 on the XpressEngine project (PHP based CMS, most popular in South-East Asia) and now I’m leading the team that develops our own CMS, Karybu. Also, our PHP team is involved in a lot more projects on different technologies ranging from Magento to WordPress and from Zend Framework to Symfony2.Dan D., PHP Tech Lead @ Arnia

Recruitment process 

Thank you for your interest in our internship program

We are sorry to inform you that we do not have any internships available at the moment.
Please check back later for updates on our future opportunities.

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Arnia Software has consolidated its position as a preferred IT outsourcing company in Romania and Eastern Europe, due to its excellent timely delivery and amazing development team.

Our services include:

Nearshore with Arnia Software
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Offshore Software Development
Engagement Models
Bespoke Software Development
Staff Augmentation
Digital Transformation
Mobile App Development
Banking Software Solutions
Quality Assurance
Project Management
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Nearshore Development Centre
Offshore Development Centre