You will get a Java Spring Microservice development
Project details
I specialize exclusively in Java backend engineering and Java-centric stacks. You’ll find full proof of this focus in my profile.
If you need clean, scalable, production-ready Java solutions, I can help—whether that’s building microservices, improving backend performance, or designing reliable integrations. I work in a structured way, guiding you through each stage of delivery and prioritizing code quality, maintainability, and performance from day one.
Take a look at my reviews to see how clients describe the experience and results. Every project is approached individually, with a solution tailored to your specific goals and constraints.
Next step: send me a short message with your current situation and desired outcome, and I’ll suggest the best approach.
Note: To keep everything aligned, please share the scope in chat before submitting funds, so we can confirm requirements, timeline, and deliverables first.
If you need clean, scalable, production-ready Java solutions, I can help—whether that’s building microservices, improving backend performance, or designing reliable integrations. I work in a structured way, guiding you through each stage of delivery and prioritizing code quality, maintainability, and performance from day one.
Take a look at my reviews to see how clients describe the experience and results. Every project is approached individually, with a solution tailored to your specific goals and constraints.
Next step: send me a short message with your current situation and desired outcome, and I’ll suggest the best approach.
Note: To keep everything aligned, please share the scope in chat before submitting funds, so we can confirm requirements, timeline, and deliverables first.
Programming Languages
JavaCoding Expertise
Performance Optimization, Security, DesignWhat's included
| Service Tiers |
Starter
$250
|
Standard
$400
|
Advanced
$800
|
|---|---|---|---|
| Delivery Time | 3 days | 7 days | 14 days |
Number of Revisions | 1 | 2 | 4 |
Design Customization | - | - | - |
Content Upload | - | - | - |
Responsive Design | - | - | - |
Source Code | - | - | - |
Optional add-ons
You can add these on the next page.
Design Customization
(+ 2 Days)
+$100
Source Code
(+ 1 Day)
+$500Frequently asked questions
About Aleksander
Senior Software Developer | Java | Python | Go | Typescript | Angular
Krakow, Poland - 10:09 am local time
🖥️ Core Expertise
✅ Backend & APIs: JavaScript/Typescript, Go, Python, Java (Spring Boot, Spring MVC, Spring Data, Spring Cloud, Spring Security, Spring AOP, Spring Batch, Spring WebFlux, Hibernate/JPA), REST
✅ Databases: PostgreSQL, MySQL, MongoDB, Oracle, db2, Cassandra, DynamoDB, Redis
✅ Messaging & Streaming: Kafka, AWS SNS/SQS, ActiveMQ
✅ Cloud & DevOps: AWS, GCP, Azure, Docker, Kubernetes, CI/CD
✅ Architecture: System design, microservices, distributed & high-load systems, SOA, Event-driven architecture
✅Design Patterns: CQRS, Saga pattern, Circuit breakers, Service discovery, Distributed systems, Distributed tracing.
✅Principles: SOLID principles, Clean code, Domain Driven design
🫡 How I Can Help
✅ Consulting & Technical Leadership: hands-on guidance to design, build, and scale platforms
✅ Custom Backend Development: robust APIs, microservices, cloud-native applications
✅ Integrations & Event-Driven Systems: Kafka, SQS/SNS, reliable messaging workflows
✅ System Architecture & Design: scalable, secure, maintainable, cost-efficient solutions
✅ Cloud Migration & Optimization: AWS/GCP/Azure, Kubernetes, serverless adoption
✅ Database Design & Performance Tuning: SQL & NoSQL, high-throughput data layers
🌍 Outcomes I Deliver
✅ Reduce infrastructure spend through cloud-native and serverless architecture
✅ Scale applications to support high traffic and millions of users
✅ Build resilient APIs & microservices for fintech, e-commerce, and real estate products
✅Testing: Unit testing, Integration testing, JUnit, Mockito, TestNG.
✅Development Methodologies: TDD (Test-Driven Development), BDD (Behavior-Driven Development), Agile (Scrum, Kanban).
✅Version Control: Git
🤝 I prioritize long-term partnerships, clear communication, and solutions that are not only technically solid—but also move business metrics. A Strong Domain Driven Design believer, SOLID, KISS, and TDD follower.
Java Developer, Senior Java Engineer, Java Software Engineer, Spring Framework, Spring Boot Developer, Spring Cloud Expert, Hibernate, JPA, Java Persistence API, REST API Development, GraphQL APIs, Microservices Architecture, Backend Development, High-Load Systems, Distributed Systems, Scalable Architecture, Cloud-Native Applications, Enterprise Software Development, Fintech Solutions, Real Estate Software, E-commerce Platforms, SaaS Development, API Integration, System Design, Software Architecture, Application Modernization, Legacy System Migration, Agile Development, Scrum, TDD, CI/CD, Test Automation, Unit Testing, Integration Testing, End-to-End Testing, Secure Coding, Authentication & Authorization, OAuth2, JWT, SSO, Role-Based Access Control.
AWS Developer, AWS Certified, Amazon Web Services, AWS Lambda, AWS Serverless, AWS EC2, AWS S3, AWS DynamoDB, AWS RDS, AWS Aurora, AWS API Gateway, AWS CloudFormation, AWS ECS, AWS EKS, AWS SNS, AWS SQS, AWS Step Functions, CloudWatch Monitoring, AWS Cost Optimization.
Google Cloud Platform Developer, GCP Services, Google Cloud Functions, Google Pub/Sub, Firestore, BigQuery, Cloud SQL, GCP Kubernetes Engine, GCP Monitoring, GCP Networking.
Kubernetes, Docker, Containerization, Orchestration, Helm Charts, Microservices Deployment, Service Mesh, Istio, Kubernetes Autoscaling, Cloud-Native Infrastructure, Container Security, Kubernetes Monitoring, Prometheus, Grafana.
Apache Kafka, Kafka Streams, Kafka Connect, Kafka Consumer, Kafka Producer, Event-Driven Architecture, Real-Time Processing, Messaging Queues, RabbitMQ, ActiveMQ.
Databases: PostgreSQL, MySQL, MariaDB, MongoDB, Cassandra, DynamoDB, Redis, ElasticSearch, Database Optimization, Query Optimization, Database Migration, Database Scaling, NoSQL Solutions, RDBMS, OLTP, OLAP.
Tools & Build Systems: Maven, Gradle, Jenkins, GitLab CI/CD, GitHub Actions, Bitbucket Pipelines, SonarQube, JUnit, Mockito, Awaitility, Logback, SLF4J, Monitoring & Logging.
DevOps & Cloud: Infrastructure as Code, Terraform, Ansible, Continuous Integration, Continuous Delivery, GitOps, Cloud Security, DevSecOps, Secrets Management, Vault, API Gateway, Service Discovery.
Industries & Business Impact: Fintech Systems, Payment Processing, Banking APIs, Fraud Detection, Loan Origination Platforms, Real Estate Portals, Property Management Systems, Automotive Solutions, E-Commerce APIs, Online Marketplaces, Booking Engines, Hotel & Travel Tech, Healthcare Platforms, Insurance Software, B2B SaaS, B2C Applications.
Professional Attributes: Remote Software Engineer, Senior Backend Developer, Full-Stack Java Developer (Backend-Focused), API Consultant, Cloud Architect, Microservices Consultant, Technical Lead, Solution Architect, Software Consultant, Java Contractor
Steps for completing your project
After purchasing the project, send requirements so Aleksander can start the project.
Delivery time starts when Aleksander receives requirements from you.
Aleksander works on your project following the steps below.
Revisions may occur after the delivery date.
Requirements & access
You share requirements, expected endpoints, sample payloads, and access to repo/env (if applicable).
Architecture & plan
I confirm scope, propose the service design (API contract, data model, integrations), and agree on acceptance criteria.