
Completed
Posted
Paid on delivery
We are looking for a consultant with proven experience in OpenMaint / CMDBuild installation and configuration to support our company in the following project: Phase 1 – Migration Migrate our current OpenMaint installation from Google Cloud (Bitnami, with Alfresco) to a Digital Ocean server. The new installation should run without Alfresco (we don’t mind losing attached files). Ensure a clean, modular, and optimized installation (PostgreSQL, Tomcat, Java). Phase 2 – Long-Term Collaboration After the migration, we want to establish a long-term relationship with the freelancer to: Provide technical support and continuous server maintenance. Assist in the progressive implementation of OpenMaint across different areas of our company (asset management, maintenance, requisitions, etc.). Integrate OpenMaint via REST API with our accounting (Defontana ERP) and HR systems. Develop workflows, reports, and customizations (e.g., requisition approval flows). Requirements Strong experience with OpenMaint / CMDBuild (installation, configuration, and customization). Good knowledge of Linux server administration (preferably Debian/Ubuntu) and Digital Ocean. Experience with PostgreSQL, Tomcat, Java 17. Experience integrating applications via REST API. Nice to have: experience with Defontana ERP API, or similar ERP/HR integrations. About us We are a Chilean company providing industrial services for the mining sector. We already run OpenMaint in production and now want to optimize and expand its usage. If you have the right skills and are interested in a long-term collaboration, please apply with: Examples of past OpenMaint / CMDBuild projects. Your availability and hourly rate.
Project ID: 39721420
59 proposals
Remote project
Active 9 mos ago
Set your budget and timeframe
Get paid for your work
Outline your proposal
It's free to sign up and bid on jobs

TWO DECADES of EXPERIENCE in IT INDUSTRY && 100% JOB SUCCESS!!! Hi there, I am fully OPEN to your work. I see you need an OpenMaint / CMDBuild consultant to migrate your current setup from Google Cloud (Bitnami + Alfresco) to Digital Ocean and then continue as a long-term partner for support, integrations, and custom workflows. I have hands-on experience installing, configuring, and customizing OpenMaint/CMDBuild on Linux servers (Debian/Ubuntu), including PostgreSQL, Tomcat, and Java 17. I’ve also implemented integrations via REST APIs with ERP and HR systems, and I’m comfortable designing approval flows, custom reports, and optimized modular setups. For your project, I’ll ensure: Phase 1 Migration: Clean installation without Alfresco, tuned for performance on Digital Ocean. Phase 2 Ongoing Support: Technical maintenance, new module rollout (assets, requisitions, etc.), and integration with Defontana ERP/HR through REST APIs. I’ve successfully delivered similar CMDBuild/OpenMaint rollouts for companies in industrial and service sectors where reliability and compliance were critical. Would you like me to outline a step-by-step migration plan so you can see how I’d minimize downtime for your production instance? Thanks, Truong Pham
$750 USD in 7 days
6.1
6.1
59 freelancers are bidding on average $1,083 USD for this job

Hello, I understand that you are looking for a consultant to migrate your OpenMaint installation from Google Cloud to a Digital Ocean server. My approach will focus on ensuring a clean and efficient installation without Alfresco, optimizing the setup with PostgreSQL, Tomcat, and Java, while ensuring all necessary functionalities are intact. After the migration, I am excited about the prospect of establishing a long-term collaboration where I can provide ongoing support and maintenance. I will assist in integrating OpenMaint with your accounting and HR systems through REST APIs, as well as develop customized workflows that align with your company's needs in asset management and maintenance. I have strong experience with OpenMaint / CMDBuild, Linux server administration, and the technologies listed in your requirements. Additionally, my history of working on similar projects makes me well-suited for this role. What specific features or workflows do you envision needing the most support with during the initial setup and future integration? Thanks, Muhammad Awais
$1,500 USD in 14 days
9.1
9.1

Hello, I understand that you need assistance with migrating your OpenMaint installation from Google Cloud to a Digital Ocean server while ensuring a clean and optimized setup. My approach will focus on installing OpenMaint without Alfresco, prioritizing PostgreSQL, Tomcat, and Java for a smooth transition. After migration, I'm eager to establish a collaborative relationship to provide continuous support and integrate OpenMaint with your accounting and HR systems, as well as develop necessary customizations. I have extensive experience with OpenMaint and related technologies, ensuring that the migration and integration processes will be handled effectively. I look forward to discussing this project further and showcasing my previous work in similar projects. What specific challenges have you faced with your current OpenMaint setup that you'd like to address during the migration? Thanks, Shamshad
$1,500 USD in 28 days
7.5
7.5

⭐⭐⭐⭐⭐ Dear Valuable Client, CnELIndia, led by Raman Ladhani, brings extensive expertise in OpenMaint/CMDBuild installation, migration, and customization. For Phase 1, we will migrate your current OpenMaint setup from Google Cloud to a Digital Ocean server, ensuring a clean, modular, and optimized environment with PostgreSQL, Tomcat, and Java 17, while removing Alfresco attachments as requested. For Phase 2, we offer long-term collaboration to provide proactive technical support, server maintenance, and phased OpenMaint implementation across asset management, maintenance, and requisitions. We can integrate OpenMaint via REST API with Defontana ERP and HR systems, and develop custom workflows, reports, and approval flows. Our experience in Linux administration (Ubuntu/Debian) and prior OpenMaint projects ensures a smooth, reliable delivery. We are ready to commence immediately and support your team throughout this project.
$1,125 USD in 7 days
7.6
7.6

With over 10 years of experience in web and mobile development and a strong background in OpenMaint/CMDBuild, I understand the challenges you face in migrating your current installation to a Digital Ocean server. My expertise in PostgreSQL, Tomcat, and Java will ensure a clean and optimized migration process, setting the foundation for a successful long-term collaboration. In the past, I have successfully handled similar projects in the industrial sector, optimizing workflow processes and integrating systems for enhanced efficiency. My experience with REST API integration and Linux server administration align perfectly with your requirements, making me a reliable choice for your project. If you are seeking a dedicated consultant who can not only migrate your OpenMaint installation but also provide continuous support and customization, I am here to help. Let's work together to ensure a seamless transition and unlock the full potential of OpenMaint for your company. Looking forward to discussing further details and collaborating on this exciting project.
$1,200 USD in 20 days
7.2
7.2

OpenMaint Migration—No Attachment Left Behind I’ve migrated production OpenMaint / CMDBuild from Bitnami cloud setups to optimized Linux servers (PostgreSQL, Tomcat, Java 17) with zero downtime. In one migration, I safely detached Alfresco attachments without breaking workflows using temporary data mappings—operations continued seamlessly. Beyond migration, I provide long-term collaboration: Server maintenance Workflow automation Custom reports REST API integrations with ERP/HR systems Industrial clients I’ve supported now run OpenMaint across departments with smooth asset, requisition, and approval processes. Ready to start immediately and grow OpenMaint alongside your company’s needs. Which workflows or reports would you like prioritized first? Availability: flexible Rate: flexible
$750 USD in 7 days
7.3
7.3

Hi, I have 10 years of experience and knowledge as system administrator setup and management of different Linux Web Hosting Servers, AWS servers,Cloud Servers, Server Monitoring, Server Security, Server Optimisation, Mailing Servers, Email Marketing, SSL, DNS, Apache, Nginx, etc with Cpanel, Plesk, Virtualmin or other panels. Services such as cPanel/WHM, Plesk, Virtualmin LAMP Stack, Tomcat, MySQL/MariaDB, Zimbra, Postfix mail server, Mailenable, smarter mail, MS SQL,AWS , etc. Please discuss to start. Thank you
$750 USD in 1 day
7.4
7.4

❤️❤️❤️ Dear Ignacio ❤️❤️❤️ As someone who has dedicated over 7 years to this field, I'm confident that I possess the right skillset and experience to handle your OpenMaint migration and subsequent long-term collaboration requirements. Throughout my career, I've consistently demonstrated the ability to navigate complex installations with a focus on clean, modular, and optimized solutions. My expertise with PostgreSQL, Tomcat, and Java pair well with your needs. In terms of long-term collaboration, I understand the importance of ongoing support and server maintenance. Using my Linux administration skills (Debian/Ubuntu) in conjunction with my profound understanding of Digital Ocean, I'm poised to keep your systems running optimally. My past experience with REST API integration also makes me more than capable of seamlessly integrating OpenMaint with systems like Defontana ERP or similar HR applications. Lastly, it's crucial to mention that I enjoy problem-solving and customizing according to unique business needs. Given that your company already runs OpenMaint in production successfully? You should also consider my persistence in seeking out improved performance levels and exceptional problem-solving abilities as distinct advantages for your project.
$1,500 USD in 7 days
6.4
6.4

Hello, I have solid experience with OpenMaint/CMDBuild installations, migrations, and customizations, including PostgreSQL, and Tomcat. I can migrate your current Google Cloud Bitnami installation to Digital Ocean without Alfresco, ensuring a clean, optimized, and modular deployment ready for long-term stability. I can support you with progressive OpenMaint adoption—from asset/maintenance management to requisition workflows—while integrating via REST API with ERP/HR systems like Defontana. My focus is on reliability, clear documentation, and building a lasting collaboration. Could you share details of your current OpenMaint version so I can plan the migration path precisely? Best regards, Rekha Thakur
$750 USD in 10 days
6.6
6.6

I've successfully migrated and enhanced several OpenMaint/CMDBuild instances, most recently implementing a seamless transition for a large municipality using a phased approach minimizing downtime. My expertise spans database migration (PostgreSQL), API integration, and custom workflow development. My approach involves a detailed assessment of your current OpenMaint configuration, followed by a phased migration plan leveraging industry-best practices. This includes data integrity checks, schema mapping, and robust testing throughout the process, ensuring minimal disruption to your operations. I'll utilize scripting for automation and employ agile methodologies for iterative development and feedback. Let's discuss your specific requirements. Could you provide details on your current OpenMaint version and the desired features for the migrated system to ensure a perfectly tailored solution and a smooth transition?
$1,254.69 USD in 21 days
6.4
6.4

Hi there, I’m submitting a bid for your project and would love to offer my professional services. With my experience, I’m confident in delivering high-quality results tailored to your project requirements. Feel free to message me to discuss the full scope and budget. View my Freelancer portfolio and client reviews: https://www.freelancer.com/u/Feriver Looking forward to connecting with you. Best regards, Asif Nawaz
$1,500 USD in 11 days
6.1
6.1

Nice to meet you Nexex, It is a pleasure to communicate with you. My name is Anthony Muñoz, I am the lead engineer for DSPro IT agency and I would like to offer you my professional services. I have more than 10 years of working as a Backend and Software developer, I have successfully completed numerous jobs similar to yours therefore, and after carefully reading the requirements of your project, I consider this job to be suitable to my area of knowledge and skills. I would love to work together to make this project a reality. I greatly appreciate the time provided and I remain pending for any questions or comments. Feel free to contact me. Greetings
$2,100 USD in 7 days
5.8
5.8

Hello there, we are a team of developers and can do this project perfectly. Please, award me to start the work. Thanks Ashish Kumar.
$1,125 USD in 7 days
5.2
5.2

Hello, I once faced a tricky issue migrating OpenMaint that involved configuration errors in PostgreSQL. I resolved it by streamlining the database setup and optimizing Tomcat settings, ensuring a smooth transition. I understand you need to migrate from Google Cloud to Digital Ocean without Alfresco and maintain a clean, modular installation. I have strong experience with OpenMaint, Linux, and REST API integrations. I'm ready for a long-term partnership to enhance your system, and I can start immediately.
$1,125 USD in 7 days
5.0
5.0

Hi, I have hands-on experience with OpenMaint and CMDBuild, including full-stack setup, migration, and module-level customizations. I can cleanly migrate your existing Bitnami-based OpenMaint from Google Cloud to Digital Ocean, removing Alfresco while ensuring PostgreSQL, Tomcat, and Java 17 are correctly configured and optimized. My Linux server expertise (Debian/Ubuntu) and prior work with OpenMaint API integrations will support future connections to ERP systems like Defontana. I’ve also implemented custom workflows, asset hierarchies, and maintenance modules tailored to industrial sectors. I’m committed to long-term collaboration for scaling OpenMaint across your departments with structured support and modular improvements. Thanks, Hercules
$1,500 USD in 7 days
4.9
4.9

With over a decade of experience as a full-stack software engineer, I am very well-versed in both OpenMaint and CMDBuild. I have successfully completed many projects similar to yours involving the installation, configuration, and customization of OpenMaint/CMDBuild databases. Therefore, not only can I expertly handle the migration of your current infrastructure from Google Cloud to Digital Ocean, but also ensure that your new installation runs seamlessly without Alfresco and optimize PostgreSQL, Tomcat, and Java environments. Moreover, my proficiency in Linux server administration - particularly with Debian/Ubuntu and Digital Ocean - make me the right candidate for the long-term collaboration you seek after the migration phase. I fully understand your need for continuous support & maintenance and progressive implementation across multiple divisions within your company; thus, I assure you of my commitment to providing top-notch service in these areas. Additionally, I have ample integration experience via REST API, which will allow me to seamlessly connect OpenMaint with your accounting (Defontana ERP) and HR systems.
$750 USD in 12 days
4.7
4.7

✋ Hi there. I can migrate your OpenMaint installation from Google Cloud to Digital Ocean and provide ongoing support and development. ✔️ I have extensive experience with OpenMaint and CMDBuild, including installation, configuration, and customization. In past projects, I migrated OpenMaint setups, optimized PostgreSQL/Tomcat/Java environments, and integrated with ERP and HR systems via REST APIs. ✔️ For your migration, I will set up a clean Digital Ocean server, install OpenMaint without Alfresco, and ensure PostgreSQL, Tomcat, and Java 17 are fully optimized. ✔️ After migration, I can provide long-term technical support, maintain the server, implement workflows, create reports, and integrate OpenMaint with your accounting and HR systems. I will also assist in progressively expanding its use across asset management, maintenance, and requisitions. Let’s chat so I can review your current setup, timeline, and define milestones for migration and future collaboration. Best regards, Mykhaylo
$1,125 USD in 7 days
4.6
4.6

Hello, With over 10 years of proven experience in full-stack development, particularly working with Java and PostgreSQL, I feel confident and excited about our long-term collaboration on advancing your OpenMaint system. Throughout my career, I have been entrusted with major projects that had high stakes and full accountability. Hence I understand the importance of a clean migration process, seamless integrations, and reliable deployment, which would be pivotal for your business as well. In addition to my technical proficiencies in OpenMaint and CMDBuild, my deep understanding of Linux server administration (Debian/Ubuntu) and Digital Ocean will ensure an efficient migration process to maximize productivity without losing any valuable data. Moreover, my background in creating UI designs would add value as we progress towards expanding usage across different areas. From asset management to HR systems integration, you can count on me to develop the necessary workflows, reports, and customizations tailored to your specific needs. Lastly, as an industrial service provider myself, I understand the criticality of data accuracy and security. Thus I assure you a highly scalable and secure installation supported by continuous maintenance that will optimize your operations effectively. I look forward to impressing you further with recent examples of successful OpenMaint/CMDBuild projects similar to yours and establishing a productive long-ter Thanks!
$750 USD in 5 days
4.2
4.2

Hi, i will perform a full audit of the current openmaint installation running on google cloud with bitnami and alfresco, then i will set up a new clean environment on digital ocean using ubuntu server with postgresql, apache tomcat, and java 17, ensuring the installation is modular and optimized without alfresco to remove unnecessary dependencies. i will configure openmaint from source to guarantee stability and scalability, migrate the database and relevant configurations while excluding attached files, and validate system integrity post-migration. once migration is complete, i will provide continuous server maintenance including linux updates, database tuning, tomcat optimization, and security hardening. for the long-term phase, i will progressively configure openmaint modules for asset management, maintenance, and requisitions, implement custom workflows and approval flows using cmdbuild’s workflow engine, and develop advanced reports. i will also integrate openmaint with defontana erp and hr systems through rest api endpoints, ensuring proper authentication and data mapping. all configurations and customizations will be documented to support future scalability and reliability. Let's have a detailed discussion in chat, as it will help me give you a complete plan, including a timeline and estimated budget. i can share my portfolio in chat I look forward to hearing from you through chat. thanks Regards, Mughira
$1,125 USD in 7 days
4.1
4.1

Hello, I liked your project OpenMaint Migration and Continuous Collaboration, which aligns perfectly with my professional expertise. I bring extensive experience in Java, JSP, Linux, I can ensure timely delivery within 3 days. I'm committed to exceeding your expectations and would welcome the opportunity to discuss your requirements in detail.
$750 USD in 3 days
4.2
4.2

Hello, With over a decade of experience and an impressive portfolio of successful web and mobile app projects under my belt, I believe I'm the right candidate to take on your OpenMaint migration and continuous collaboration project. My expertise in Java not only aligns with the requirements of a clean and smooth migration but also bodes perfectly with your need for long-term technical support and server maintenance. Moreover, my competence extends beyond OpenMaint / CMDBuild, as I'm well-versed in Linux server administration (particularly Debian/Ubuntu) as well as Digital Ocean. Your request for integrating OpenMaint via REST API with various systems greatly overlaps with my skills including experience integrating applications via REST API. While I haven't worked directly with Defontana ERP API, my ability and determination to learn new systems swiftly will enable me to overcome this minor setback. Lastly, your decision to establish a lasting relationship is highly commendable in order to optimize the full potentials of OpenMaint - and this is where our professional dreams align. Let's not just be a team for migration but partners in progress; bracing up your company for immense growth by progressively implementing OpenMaint across different functions in tandem with your current systems for streamlined workflow, reporting, requisition approvals, and customization needs. My rate is $40/hr, looking forward to the great collaboration ahead! Thanks!
$1,250 USD in 10 days
3.8
3.8

Santiago, Chile
Payment method verified
Member since Aug 6, 2021
$1500-3000 USD
$250-750 USD
₹500000-1000000 INR
₹750-1250 INR / hour
₹12500-37500 INR
£1500-3000 GBP
$15-25 USD / hour
$250-750 AUD
$30-250 USD
$250-750 USD
₹600-1500 INR
₹37500-75000 INR
₹750-1250 INR / hour
₹1500-12500 INR
₹12500-37500 INR
$15-25 USD / hour
$30-250 CAD
$750-1500 USD
$250-750 USD
min $50 USD / hour
$250-750 USD