Hire the Best Apache Camel Developers
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Is your CRM, payment gateway, ERP, or eCommerce platform losing data every time it syncs? I integrate the systems your business runs on: Stripe, HubSpot, Shopify, QuickBooks, Salesforce, and 50+ POS and payment platforms, so they exchange data reliably, even under real transaction volume. My work covers API integration, application integration, business process automation, REST API, SOAP API, JSON API, and webhook integration, along with the solution architecture decisions that keep those connections stable once real traffic hits them. 11+ years designing and scaling enterprise integrations for companies including Mastercard and Vodafone. Message me what's breaking, or invite me to your job post, and I'll send back a short Loom on exactly how I'd approach it. No call required. WHAT'S ACTUALLY BREAKING (AND WHY) It's rarely bad theory. It's systems that were never built for the volume they're now under. The patterns I see most often: A legacy pipeline nobody wants to touch, because nobody's sure what happens if they do. POS, CRM, and ERP systems that are "connected" but quietly losing packets between each other: Stripe API billing syncs, HubSpot marketing API integrations, and Shopify order flows included. Failures nobody catches until a customer does, because there's no real logging, retries, or observability (Datadog, Prometheus) in place. If none of that sounds like your problem, I'm probably not the right fit, and that's fine. If it does, worth a conversation. INTEGRATIONS COMPLETED ERP to Stripe payment bridge, rebuilt to handle millions in monthly transactions with zero downtime Automated reconciliation between Stripe billing events and ERP ledger records Shopify to HubSpot customer and order sync, rebuilt event-driven for peak traffic Webhook-based Shopify order events feeding HubSpot marketing automation in real time 50+ POS terminals aggregated into a single forecasting engine POS-to-inventory sync across 50+ terminals to prevent stockouts Cross-terminal data reconciliation to catch drift before it reached the forecasting model I don't do coding tests or theater. I'll tell you honestly what's scoped, what it'll take, and what's actually worth doing, even if that means telling you less work is the right call. TECH STACK & PLATFORMS CRM: HubSpot, Salesforce ERP / Accounting: QuickBooks Payment: Stripe, payment gateway integration eCommerce: Shopify Automation / iPaaS: Zapier, MuleSoft, Apache Camel, Dell Boomi Core: Java, Spring Boot, Spring Cloud, Hibernate, microservices APIs: REST API, SOAP API, JSON API, GraphQL, gRPC, webhook integration 100+ API integrations delivered across CRM, ERP, payment, and POS systems. IF YOU WANT TO TALK Message me what's breaking, or invite me to your job post. I'll record a short Loom walking through exactly how I'd approach it, free, no call required. If I'm not the right fit, I'll tell you that too. SEO KEYWORDS API integration, API development, RESTful API, REST API, SOAP API, JSON API, webhook integration, OAuth, application integration, business process automation, solution architecture, system integration, marketing API integration, payment gateway integration, CRM integration, ERP integration, POS integration, eCommerce integration, data sync, data synchronization, backend integration, third-party integration, middleware, event-driven architecture, real-time sync, high-throughput backend, legacy system modernization, API gateway, integration architecture, Stripe, Stripe API, HubSpot, HubSpot API, Shopify, Shopify API, QuickBooks, Salesforce, Zapier, MuleSoft, Apache Camel, Dell Boomi, Java, Spring Boot, Spring Cloud, Hibernate, microservices, GraphQL, gRPC

Hi. I am Bilal, A Experienced Java Developer and A Certified Spring Professional by Broadcom. I’m an expert in providing API-based solutions related to Spring Boot, Microservice-based projects along with API Gateway, Message brokers , SQL & NoSQL databases, Maven, AWS Lambda, Kubernetes. Technical Competencies: • Java Tech-stack: Spring Boot, Spring Security Hibernate, JPA, Spring Cloud, JavaFX, Android, AWS Lambda, AWS SNS, AWS SQS, AWS CodePipeline, AWS CodeCommit • Language known: Expert in Java, Core JavaScript, basic Python, Core TypeScript • Database Hands-on: MySQL, Oracle, H2, Redis, PostgreSQL, MongoDB, Elasticsearch, AWS DynamoDB, Cassandra • Storage Hands-on: Firebase Storage, AWS S3 Bucket Storage • Messaging and Notification Frameworks: Apache Kafka, RabbitMQ, AWS SNS & SQS • Continues Integration and Continues Deployment Hands-on: Git, GitHub, Bitbucket, Dockers, AWS Code Build, Heroku Profile Summary: • Hands-on experience on Spring Boot based microservices, AWS SNS & SQS • Handled structured, semi-structured and unstructured data • Experience in Python scripting for data processing , ReactJS for Frontend development • Strong Code Reviews in Spring Boot based microservices, testing with Junit, Mockito and Postman My qualities include: ● Good communication skills & happy to give you regular updates via Upwork, email, Skype etc. ● Good quality , clean and robust code. ● On time delivery ● Top Rated on other Freelancing Platform ● Client's 5 star feedback on Freelancing Platform My business objective is to help my clients to build their Web applications, APIs or Microservices as quickly as possible without neglecting critical security, performance and usability issues. I aim to form a long-term working relationship. Thank you .

With 9 years of experience as a Full-Stack Java/J2EE Web Developer, I offer extensive expertise in the analysis, design, development, and implementation of robust web-based applications. My diverse skill set includes: Java SE: In-depth knowledge of core Java concepts, including Collections, Threading, and Concurrency. Java EE Technologies: Proficient in using Servlets, JDBC, JSP, JSTL, and JNDI. Spring Framework: Extensive experience in developing multi-tier applications using Spring MVC and Spring Boot. Strong understanding of Spring Core, including Dependency Injection, Annotations, and XML-based Configurations. Skilled in Spring AOP, with hands-on experience in Advice, Aspects, and AOP Processor. Microservices: Strong knowledge of Microservice Architecture using Spring Boot and Spring Cloud. Web Technologies: Expertise in designing dynamic web applications using HTML5, CSS3, JavaScript, jQuery, AJAX, and JSON. Proficient in building responsive applications with Bootstrap. Front-End Frameworks: Strong experience with Angular, including commonly used modules, creating reusable Components, Pipes, and Services. Additionally, I possess hands-on expertise with React.js for building scalable, interactive front-end interfaces. AWS: Good knowledge of Amazon Web Services (AWS), particularly in deploying and managing applications using EC2, S3, and other core AWS services. Web Services: Skilled in developing applications with SOAP and RESTful Web Services. Build & Automation Tools: Experienced in using MAVEN Build System and proficient in continuous integration and deployment practices. Application Servers: Proficient in deploying and managing applications on Apache Tomcat 7.0/8.0/8.5, and GlassFish 4.0. Testing & Debugging: Expert in Unit Testing using JUnit, Jasmine, and Karma. Experienced in utilizing Log4j and I18N for logging and internationalization. Database Management: Expertise in database technologies such as MySQL 5.6/5.7, Oracle 10g/11g/12c, and MS-SQL 12. Strong skills in database design and query optimization. Version Control & Collaboration: Experienced with version control tools like GIT and ticket tracking platforms like JIRA. Documentation & Modeling: Proficient in project documentation, including E-R Diagrams, UML modeling, and comprehensive design documentation. Software Development Life Cycle (SDLC): Hands-on experience in all phases of SDLC with a strong focus on AGILE-SCRUM methodologies. Demonstrated leadership in delivering projects on time and within scope. I am committed to delivering high-quality, scalable, and efficient software solutions. With a strong work ethic, self-learning aptitude, and the ability to adapt to new technologies, I am prepared to take on challenging projects on platforms like Upwork.

➡️ Software Developer specialized in RESTful API with Spring Boot, NodeJs ➡️ Several backend applications running in the US market, EU and Asia market ➡️ Expert in cloud technologies (AWS, GCP) ➡️ Expert in container technology (Docker) ➡️ Microservice and low-latency scalable system design Motivated and results-driven Java developer with 8+ years of experience crafting clean, efficient software across diverse platforms. Expertise lies in Spring Boot, cloud technologies like AWS, and building scalable systems with performance optimization in mind. Thrive in collaborative environments, tackling complex challenges, and delivering projects on time and within budget. 📖 Technical Skills: ✒ Programming Languages: Java, Spring, Spring Boot, Javascript, C, Python, Go ✒ Front-End: Vue.js, Thymeleaf, HTML5, CSS, Javascript, AJAX ✒ Back-End: Java, Spring, Spring Boot, Spring Data, Spring Security, Hibernate, Node.js, Express.js ✒ Databases: SQL/NoSQL (MySQL, MongoDB, PostgreSQL), Redis, GraphQ ✒ Cloud & DevOps: AWS, CI/CD, Linux, Git, GitHub, AWS Services ✒ Other Tools: APIs, Redis, Maximo, Birt Report, CI/CD, log4j, Junit5, JQuery, JMeter, Apache Tomcat, REST, Git, GitHub, Gitlab, OAuth2, Kafka, Maven, Tomcat, Keycloak, Bash, Swagger, TDD Ready to collaborate on your next project? Let's connect and discuss how my skills and experience can help you achieve your goals.

Need a Software Engineer/developer Who Delivers Reliable, Scalable Solutions? Let's Build Something That Works. If you're dealing with slow APIs, integration headaches, cloud infrastructure challenges, or need a backend system that actually scales with your business, I can help. I specialize in building and fixing backend systems that work under pressure. Whether you need a new API from scratch, a cloud migration that doesn't break your existing workflows, or someone to untangle complex third-party integrations, I bring 7+ years of proven experience making those problems disappear. Here's How I Can Help Your Project: ✓ Backend Development That Scales – I build clean, maintainable APIs and services using Python, Fast API, Go, Java, C#, .NET Core, and ASP.NET that handle real-world traffic without falling over. ✓ Cloud Solutions That Actually Work – Whether you're on Azure or AWS, I'll design, deploy, and optimize your infrastructure so it's reliable, cost-effective, and easy to maintain. ✓ Integration & Middleware Expertise – Need to connect your system to third-party platforms, legacy systems, or complex APIs? I've done this dozens of times with MuleSoft, REST APIs, and custom middleware. ✓ Database Design & Optimization – Slow queries killing your performance? I design SQL Server databases that are fast, scalable, and built to grow with you. ✓ DevOps & CI/CD Pipelines – Your deployments should be boring (in a good way). I set up automated pipelines that let you ship confidently and often. ✓ Full-Stack Capability When Needed – While backend is my strength, I can work across the stack with Angular and JavaScript to ensure smooth frontend-backend integration. What You Get When Working With Me: • Clear Communication – I explain technical decisions in plain English and keep you updated without the jargon overload. • Ownership & Accountability – When I take on your project, I take responsibility for outcomes, not just tasks. • Quality Code – I write tests, follow best practices, and build systems your team can actually maintain long-term. • Realistic Timelines – I set expectations I can meet and deliver what I promise, when I promise it. Ideal Projects: • Enterprise API development and microservices architecture • Cloud migration and infrastructure optimization (Azure/AWS) • System integration and middleware development • Legacy system modernization • Performance optimization and technical debt cleanup • Team augmentation for complex backend initiatives Whether you need someone to lead backend development, rescue a struggling project, or provide expert guidance on architecture decisions, I bring both the technical depth and the business mindset to move your project forward. Let's talk about your project, with details about what you're building or what challenges you're facing, and I'll let you know exactly how I can help and what the next steps would look like.