Mostafa is available for hire
Hire MostafaMostafa Hussein
Verified Expert in Engineering
DevOps Engineer and Back-end Developer
Stockholm, Sweden
Toptal member since October 22, 2021
Bio
Mostafa is a seasoned software engineer with extensive experience in back-end development, particularly in building cloud systems, pipelines, and DevOps. Currently employed at Volvo, he is adept at working on complex projects that require technical proficiency and innovative solutions. Mostafa's passion for coding and inquisitiveness towards emerging technologies make him a valuable asset to any team seeking a committed and proficient software engineer with cloud systems and DevOps expertise.
Portfolio
Volvo Cars
.NET Core, APIs, REST, REST APIs, Amazon Simple Queue Service (SQS), Git...
Atlas Tech Development, Inc.
C#, ASP.NET Core, Microservices, Microsoft SQL Server, Angular, .NET, Azure...
Telenor Sweden
ASP.NET MVC, Microsoft SQL Server, Jenkins Pipeline, Octopus Deploy, Git, Vue...
Experience
Availability
Part-time
Preferred Environment
.NET Core, Git, CI/CD Pipelines, Docker, Amazon Web Services (AWS), Azure
The most amazing...
...thing I've helped developing is a new financial system for Scania, resulting in more accurate and efficient results by integrating it with all core systems.
Work Experience
Senior Software Engineer Consultant
2023 - PRESENT
Volvo Cars
- Worked collaboratively with a cross-functional team to ensure the smooth operation of the back-end systems responsible for managing Volvo's worldwide car inventory and booking processes.
- Developed and maintained robust API solutions, empowering customers in over ten countries to effortlessly reserve vehicles from Volvo's international fleet.
- Designed and implemented an automated AWS infrastructure pipeline, streamlining the creation and management of cloud environments.
- Monitored, diagnosed, and resolved incidents reported by Volvo dealers worldwide, ensuring optimal performance and user experience of the sales system.
Technologies: .NET Core, APIs, REST, REST APIs, Amazon Simple Queue Service (SQS), Git, Amazon Web Services (AWS), Azure DevOps, Docker, MongoDB, DocumentDB, GraphQL, Containers, C#, .NET, CI/CD Pipelines, Pipelines, DevOps, Cloud, Continuous Delivery (CD), Continuous Integration (CI), JSON, API Integration, System Architecture, AWS CLI, SQL, Cloud Services, Software Engineering, Back-end, .NET 6, AWS Cloud Architecture, C#.NET, Object-oriented Programming (OOP), Jira, Relational Databases, Back-end Performance, Load Balancers, Cloud Computing, Monitoring, Linux
Senior Software Engineer Consultant
2021 - 2022
Atlas Tech Development, Inc.
- Designed and implemented infrastructure pipelines to automate the build and deployment of code to Azure using Azure DevOps.
- Contributed to the replacement of a legacy management system with a newly developed system that provides improved speed and performance.
- Developed payment processing and QuickBooks integration for the new management system.
Technologies: C#, ASP.NET Core, Microservices, Microsoft SQL Server, Angular, .NET, Azure, Architecture, Design Patterns, Cloud, APIs, REST, REST APIs, Databases, Pipelines, CI/CD Pipelines, Azure DevOps, Azure Resource Manager (ARM), Elasticsearch, NMI Payment Gateway, QuickBooks API, TypeScript, CSS, DevOps, Full-stack, Full-stack Development, JavaScript, .NET Core, Git, HTML, Continuous Delivery (CD), Continuous Integration (CI), JSON, API Integration, System Architecture, Scalability, DevOps Engineer, SQL, Cloud Services, Software Engineering, Back-end, .NET 6, C#.NET, Object-oriented Programming (OOP), Web Forms, Web Applications, Jira, Relational Databases, Back-end Performance, Cloud Computing, Bootstrap
Senior Full-stack Developer
2021 - 2022
Telenor Sweden
- Developed a high-availability website and purchase flow specifically for the launch of iPhone sales.
- Monitored, troubleshot, and resolved incidents reported by our international customers using the website purchase flows.
- Created a Docker image and implemented a Jenkins pipeline for the deployment of the website to AWS.
Technologies: ASP.NET MVC, Microsoft SQL Server, Jenkins Pipeline, Octopus Deploy, Git, Vue, Angular, REST, Amazon Web Services (AWS), Docker, Containers, Architecture, Full-stack, Full-stack Development, JavaScript, C#, .NET, HTML, Cloud, JSON, API Integration, AWS CLI, SQL, Amazon RDS, Cloud Services, Software Engineering, Back-end, Amazon S3 (AWS S3), Amazon EC2, .NET 6, AWS Cloud Architecture, AWS Cloud Development Kit (CDK), Infrastructure as Code (IaC), C#.NET, Object-oriented Programming (OOP), Web Forms, Web Applications, Jira, Relational Databases, Back-end Performance, Load Balancers, Cloud Computing, Monitoring, SSL, Bootstrap
Senior Full-stack Developer
2020 - 2021
Telia
- Developed, executed, and monitored a migration system to facilitate the transition of five million Swedish customers to the consolidated system.
- Developed a customer mapping and consolidation engine to integrate user-centric considerations within and across Telia's core commerce systems.
- Implemented GitHub Actions pipelines to build and deploy code to AWS.
- Created Terraform templates to establish the required AWS infrastructure.
Technologies: Node.js, Terraform, PostgreSQL, Git, GitHub Actions, TypeScript, CI/CD Pipelines, Architecture, Pipelines, DevOps, Containers, Docker, Cloud, Amazon Web Services (AWS), Continuous Delivery (CD), Continuous Integration (CI), JSON, API Integration, System Architecture, Scalability, DevOps Engineer, AWS CLI, AWS CloudFormation, SQL, Amazon RDS, Cloud Services, Software Engineering, Back-end, Amazon S3 (AWS S3), Amazon EC2, AWS Cloud Architecture, AWS Cloud Development Kit (CDK), Infrastructure as Code (IaC), Object-oriented Programming (OOP), Full-stack Development, Jira, Relational Databases, Back-end Performance, Cloud Computing, Linux
Senior Full-stack Developer
2017 - 2020
Scania CV
- Worked on the development of a financial system from scratch using modern technologies such as microservices to assist Scania in calculating production costs for trucks.
- Developed GitLab pipelines to automate the build and deployment of the solution to AWS.
- Assisted in resolving issues after deploying the system to production.
Technologies: .NET Core, Microservices, MySQL, Python, Git, GitLab, GitLab CI/CD, C#, .NET, CI/CD Pipelines, Architecture, Pipelines, DevOps, Containers, Docker, Cloud, Amazon Web Services (AWS), Continuous Delivery (CD), Continuous Integration (CI), JSON, API Integration, System Architecture, Scalability, DevOps Engineer, AWS CLI, AWS CloudFormation, SQL, Amazon RDS, Cloud Services, Software Engineering, Back-end, AWS Cloud Architecture, C#.NET, Object-oriented Programming (OOP), Full-stack Development, Jira, Relational Databases, Back-end Performance, Cloud Computing, Linux
Senior Software Engineer Consultant
2015 - 2019
Bojakt AB
- Designed and implemented a web crawler to gather data on Sweden's top 10 real estate agents, explicitly focusing on apartments available for purchase.
- Created a user-friendly website that streamlines the process of searching for and purchasing an apartment.
- Developed an application that utilizes OpenStreetMap data to extract relevant points of interest and amenities in proximity to apartments available for purchase, providing users with valuable information.
Technologies: Web Scraping, Data Scraping, .NET, ASP.NET, Amazon Web Services (AWS), C#, Scraping, SQL, Software Engineering, Back-end, Amazon S3 (AWS S3), Single Sign-on (SSO), OAuth, AWS Cloud Architecture, C#.NET, Object-oriented Programming (OOP), Web Applications, Jira, Cloudflare, Relational Databases, Cloud Computing, SSL, Bootstrap
Senior BizTalk Developer
2015 - 2017
Emirates National Oil Company
- Designed and implemented BizTalk integrations to connect POS systems with various third-party online systems.
- Troubleshot and resolved errors encountered by customers during interaction with the BizTalk integration.
- Developed and launched 12 new online service integrations during my tenure with the company.
Technologies: BizTalk, .NET, POS, Oracle, REST, C#, JSON, API Integration, SQL, Software Engineering, Back-end, C#.NET, XML, Object-oriented Programming (OOP), Relational Databases, BizTalk Server
Senior BizTalk Developer
2013 - 2015
Link Development
- Developed a BizTalk integration to link a bank's Oracle database with Microsoft Dynamics.
- Resolved issues that arose during the deployment of the integration to production.
- Designed and built a custom website with an administrator portal using SharePoint.
Technologies: BizTalk, .NET, Microsoft Dynamics CRM, SharePoint, Microsoft SQL Server, C#, HTML, API Integration, SQL, Software Engineering, Back-end, C#.NET, XML, Object-oriented Programming (OOP), Web Forms, Web Applications, Relational Databases
Software Engineer
2008 - 2013
Aria Systems
- Created a bespoke customer relationship management (CRM) solution using ASP.NET and Visual FoxPro.
- Developed a generator library to produce shipping labels that customers could acquire through electronic data interchange (EDI).
- Converted a Visual FoxPro invoicing module to the .NET framework.
Technologies: .NET, Visual FoxPro, Microsoft SQL Server, Visual SourceSafe, Active Server Pages (ASP), ASP.NET, Electronic Data Interchange (EDI), C#, HTML, API Integration, SQL, Software Engineering, Back-end, C#.NET, Object-oriented Programming (OOP), Web Forms, DevExpress
Experience
Scania Financial System
I developed a highly efficient financial system for Scania, utilizing concurrent .NET microservices to accurately calculate costs during various truck production phases.
As a skilled back-end developer, I worked closely with key stakeholders to understand their business requirements and architected a solution with scalability at the forefront. I successfully built and deployed the necessary services while addressing and resolving any issues during development.
As a skilled back-end developer, I worked closely with key stakeholders to understand their business requirements and architected a solution with scalability at the forefront. I successfully built and deployed the necessary services while addressing and resolving any issues during development.
ENOC Gas Station's Online Services
As the main developer on the project, I was responsible for helping ENOC, a leading oil and gas company, build a middleware integration system that connects all gas stations in Dubai to various online services. I personally developed most of the online service integrations, allowing customers to easily pay bills, purchase flight tickets, and buy gift cards.
This system achieved exceptional success, generating hundreds of millions of dirhams every month. My experience as a lead developer and my ability to successfully integrate online services make me a strong candidate to help your company drive revenue growth through digital transformation.
This system achieved exceptional success, generating hundreds of millions of dirhams every month. My experience as a lead developer and my ability to successfully integrate online services make me a strong candidate to help your company drive revenue growth through digital transformation.
Telia User Centric Management
As a senior back-end developer, I played a crucial role in helping Telia, one of the leading telecommunications companies in the Nordic region, create a centralized user solution that serves all of their customers across all the countries they operate in.
I was responsible for architecting and implementing the new system and developing and migrating all five million of Telia's Swedish users to the new platform.
My experience and ability to work on large-scale projects make me the ideal candidate to help your company create a seamless and efficient user experience for your customers.
I was responsible for architecting and implementing the new system and developing and migrating all five million of Telia's Swedish users to the new platform.
My experience and ability to work on large-scale projects make me the ideal candidate to help your company create a seamless and efficient user experience for your customers.
Telenor's Purchase Flow
https://www.telenor.se/As an experienced developer, I played a key role in helping Telenor create a new mobile purchase flow portfolio that streamlined the process for customers when purchasing Telenor's mobile subscriptions and phones.
We added new features to the purchase flow, such as the option to bind a subscription for two years at a lower monthly fee, which helped boost Telenor's sales significantly.
My experience designing and implementing user-friendly purchase flows makes me an ideal candidate to help your company improve its sales and customer satisfaction.
We added new features to the purchase flow, such as the option to bind a subscription for two years at a lower monthly fee, which helped boost Telenor's sales significantly.
My experience designing and implementing user-friendly purchase flows makes me an ideal candidate to help your company improve its sales and customer satisfaction.
Bojakt's Properties Crawler
I am proud to have entirely developed a cutting-edge system for Bojakt that crawls for-sale properties from the top 10 selling agents' websites in Sweden and collects valuable information about nearby amenities from OpenStreetMaps.
The system also crawls information about the people living on each property, providing users with comprehensive and detailed information while searching for an apartment to buy.
My ability to develop and integrate a comprehensive property-crawling system with various data sources makes me an ideal candidate to help your company create a powerful and informative user experience.
The system also crawls information about the people living on each property, providing users with comprehensive and detailed information while searching for an apartment to buy.
My ability to develop and integrate a comprehensive property-crawling system with various data sources makes me an ideal candidate to help your company create a powerful and informative user experience.
Education
2009 - 2013
Diploma of Higher Studies (Postgraduate Diploma Equivalent) in Computer Science
Cairo University - Cairo, Egypt
2002 - 2006
Bachelor's Degree in Accounting
Faculty of Commerce - Beni Suef, Egypt
Certifications
APRIL 2019 - PRESENT
Associate Cloud Engineer
Google Cloud
APRIL 2019 - APRIL 2022
AWS Certified Solutions Architect Associate
AWS
FEBRUARY 2019 - FEBRUARY 2022
AWS Certified Developer Associate
AWS
MARCH 2015 - PRESENT
MCTS: Microsoft BizTalk Server 2010
Microsoft
MAY 2013 - PRESENT
Microsoft Certified Professional
Microsoft
MARCH 2012 - PRESENT
Certified Ethical Hacker
EC-Council
NOVEMBER 2007 - PRESENT
Microsoft Certified Solution Developer
Microsoft
Skills
Libraries/APIs
REST APIs, Node.js, Jenkins Pipeline, Vue, QuickBooks API
Tools
AWS Cloud Development Kit (CDK), Git, AWS CLI, AWS CloudFormation, Jira, Terraform, GitLab, GitLab CI/CD, Microsoft Dynamics CRM, Visual SourceSafe, Postman, Amazon Simple Queue Service (SQS), Jenkins
Languages
C#, SQL, C#.NET, XML, JavaScript, TypeScript, Python, Visual FoxPro, Active Server Pages (ASP), GraphQL, CSS, HTML
Frameworks
.NET, .NET Core, ASP.NET, ASP.NET Core, ASP.NET MVC, Bootstrap, Angular
Paradigms
DevOps, Object-oriented Programming (OOP), Azure DevOps, Continuous Delivery (CD), Continuous Integration (CI), REST, Microservices, Design Patterns
Platforms
Amazon Web Services (AWS), Docker, Azure, Amazon EC2, Linux, Oracle, SharePoint, AWS Lambda, AWS Elastic Beanstalk
Storage
JSON, Web Forms, Microsoft SQL Server, PostgreSQL, Databases, Amazon S3 (AWS S3), Relational Databases, MySQL, Google Cloud, Elasticsearch, MongoDB
Other
APIs, Full-stack Development, API Integration, Web Scraping, Scraping, Cloud Services, Software Engineering, Back-end, .NET 6, AWS Cloud Architecture, Infrastructure as Code (IaC), Minimum Viable Product (MVP), AWS Certified Solution Architect, Back-end Performance, Cloud Computing, BizTalk, CI/CD Pipelines, Architecture, Pipelines, Containers, Data Scraping, System Architecture, Scalability, DevOps Engineer, Amazon RDS, Single Sign-on (SSO), OAuth, Web Applications, Cloudflare, DevExpress, Load Balancers, Monitoring, SSL, Octopus Deploy, GitHub Actions, POS, Electronic Data Interchange (EDI), ECS, Cloud, Azure Resource Manager (ARM), NMI Payment Gateway, DocumentDB, Full-stack, Integration, System Integration, Schemas, System Architecture Design, BizTalk Server
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