Backend & Cloud Engineer | Java/Spring Boot | Kubernetes, GCP
Aktualisiert am 29.04.2026
Profil
Freiberufler / Selbstständiger
Remote-Arbeit
Verfügbar ab: 01.07.2026
Verfügbar zu: 100%
davon vor Ort: 100%
Java 17
Spring Boot
Kubernetes
Docker
Terraform
Google Cloud
English
Proficient (C1)
German
Intermediate (B1)
Bengali
Native (C2)

Einsatzorte

Einsatzorte

Deutschland, Schweiz, Österreich
möglich

Projekte

Projekte

9 Monate
2025-08 - heute

Open source GenAI testing platform

Backend & Infrastructure Engineer
Backend & Infrastructure Engineer
  • Contributed to Rhesis, an open-source GenAI testing platform that enables cross-functional teams (legal, compliance, marketing, engineering) to design and automate quality validation for AI applications collaboratively.
  • Designed CI/CD pipelines and multi-environment (dev/staging/prod) deployments on Google Cloud Run, supporting automated releases with zero-downtime deployment.
  • Designed and maintained Helm-based Kubernetes deployment workflows for 10+ microservices, enabling consistent multi-environment releases across development, staging, and production environments.
  • Provisioned cloud infrastructure using Terraform as Infrastructure-as-Code, enabling consistent environment provisioning across development and production environments.
  • Implemented end-to-end OpenTelemetry traces, metrics, and logs, and built a custom OTel Collector/processor to improve observability, monitoring, and visibility into platform usage.
Rhesis AI GmbH
Germany
3 Jahre 1 Monat
2022-02 - 2025-02

SaaS platform for simulating cloud attacks

Backend Engineer
Backend Engineer
  • Designed and implemented Cloud Attack Emulation SaaS Platform offering 50+ cloud attack scenarios to assess and improve customers' AWS and Azure cloud security posture. Scenarios are based on the MITRE ATT&CK and ATLAS frameworks.
  • Built backend microservices in Java (Spring Boot) using Infrastructure as Code to provision and securely access AWS and Azure environments.
  • Architected RabbitMQ messaging backbone ßreducing cross-service latency by 40% and enabling zero-downtime multi-cloud deployment
  • Implemented comprehensive unit and integration tests using JUnit and Mockito, achieving over 80% code coverage and improving system reliability.
Mitigant GmbH
Germany
8 Monate
2021-07 - 2022-02

Backend performance

Student Assistant
Student Assistant
  • Designed and developed the frontend and backend of a web application to simply process and visualize data. 
  • Processed and modeled data using Java and Gson, storing it in PostgreSQL for efficient querying and backend performance.
  • Implemented backend caching strategies using Redis to improve response times for frequently accessed data, resulting in a 40% reduction in database load.
Hasso Plattner Institute
Germany
3 Jahre 6 Monate
2017-12 - 2021-05

Development of new functions for the university student information system

Full-stack Engineer
Full-stack Engineer
  • Developed new features for the University Student Information System, especially in online admission, student advising, accounts, and grade submission - supporting over 20,000 students.
  • Optimized backend performance using HikariCP tuning, database indexing, and Redis caching to handle peak system load.
BRAC University
Bangladesh (India)
1 Jahr 1 Monat
2016-12 - 2017-12

Development of full-stack features

Full-stack Engineer
Full-stack Engineer
  • Delivered full-stack features for an automated loan-management system (Spring Boot, Hibernate, JavaScript).
  • Applied Test-Driven Development (TDD) and wrote unit tests using JUnit to ensure the correctness and maintainability of backend modules for the loan management system.
CS InfoTech Ltd.
Bangladesh (India)

Aus- und Weiterbildung

Aus- und Weiterbildung

4 Jahre
2020-10 - 2024-09

Studie - Digital Health

Master of Science, Hasso Plattner Institute, Germany
Master of Science
Hasso Plattner Institute, Germany
Thesis: on request
4 Jahre 5 Monate
2011-12 - 2016-04

Studie - Computer Science and Engineering

Bachelor of Science, Khulna University of Engineering & Technology, Bangladesh (India)
Bachelor of Science
Khulna University of Engineering & Technology, Bangladesh (India)
Thesis: on request

Kompetenzen

Kompetenzen

Top-Skills

Java 17 Spring Boot Kubernetes Docker Terraform Google Cloud

Produkte / Standards / Erfahrungen / Methoden

Profile
Backend Engineer with 7+ years of experience specializing in Java/Spring Boot and scalable cloud-native systems. Proven expertise in designing RESTful APIs, microservices, and CI/CD pipelines on AWS/GCP. Highly proficient in Java, Spring Boot, Hibernate and containerization, with a strong focus on building high-performance, secure, and observable enterprise backend solutions.

IT-Skills
  • Backend 
    • Java
    • Spring Boot
    • Hibernate
    • JPA
    • RESTful APIs
    • Microservices
  • Frontend 
    • JavaScript
    • HTML
    • CSS
  • Databases 
    • PostgreSQL
    • MySQL
    • Redis
  • Software Testing 
    • JUnit
    • Mockito
    • pytest
  • Cloud & DevOps 
    • Docker
    • Kubernetes
    • Terraform
    • CI/CD
    • AWS
    • GCP
    • OpenTelemetry
  • Others 
    • Git
    • GitHub
    • Linux
    • RabbitMQ

Einsatzorte

Einsatzorte

Deutschland, Schweiz, Österreich
möglich

Projekte

Projekte

9 Monate
2025-08 - heute

Open source GenAI testing platform

Backend & Infrastructure Engineer
Backend & Infrastructure Engineer
  • Contributed to Rhesis, an open-source GenAI testing platform that enables cross-functional teams (legal, compliance, marketing, engineering) to design and automate quality validation for AI applications collaboratively.
  • Designed CI/CD pipelines and multi-environment (dev/staging/prod) deployments on Google Cloud Run, supporting automated releases with zero-downtime deployment.
  • Designed and maintained Helm-based Kubernetes deployment workflows for 10+ microservices, enabling consistent multi-environment releases across development, staging, and production environments.
  • Provisioned cloud infrastructure using Terraform as Infrastructure-as-Code, enabling consistent environment provisioning across development and production environments.
  • Implemented end-to-end OpenTelemetry traces, metrics, and logs, and built a custom OTel Collector/processor to improve observability, monitoring, and visibility into platform usage.
Rhesis AI GmbH
Germany
3 Jahre 1 Monat
2022-02 - 2025-02

SaaS platform for simulating cloud attacks

Backend Engineer
Backend Engineer
  • Designed and implemented Cloud Attack Emulation SaaS Platform offering 50+ cloud attack scenarios to assess and improve customers' AWS and Azure cloud security posture. Scenarios are based on the MITRE ATT&CK and ATLAS frameworks.
  • Built backend microservices in Java (Spring Boot) using Infrastructure as Code to provision and securely access AWS and Azure environments.
  • Architected RabbitMQ messaging backbone ßreducing cross-service latency by 40% and enabling zero-downtime multi-cloud deployment
  • Implemented comprehensive unit and integration tests using JUnit and Mockito, achieving over 80% code coverage and improving system reliability.
Mitigant GmbH
Germany
8 Monate
2021-07 - 2022-02

Backend performance

Student Assistant
Student Assistant
  • Designed and developed the frontend and backend of a web application to simply process and visualize data. 
  • Processed and modeled data using Java and Gson, storing it in PostgreSQL for efficient querying and backend performance.
  • Implemented backend caching strategies using Redis to improve response times for frequently accessed data, resulting in a 40% reduction in database load.
Hasso Plattner Institute
Germany
3 Jahre 6 Monate
2017-12 - 2021-05

Development of new functions for the university student information system

Full-stack Engineer
Full-stack Engineer
  • Developed new features for the University Student Information System, especially in online admission, student advising, accounts, and grade submission - supporting over 20,000 students.
  • Optimized backend performance using HikariCP tuning, database indexing, and Redis caching to handle peak system load.
BRAC University
Bangladesh (India)
1 Jahr 1 Monat
2016-12 - 2017-12

Development of full-stack features

Full-stack Engineer
Full-stack Engineer
  • Delivered full-stack features for an automated loan-management system (Spring Boot, Hibernate, JavaScript).
  • Applied Test-Driven Development (TDD) and wrote unit tests using JUnit to ensure the correctness and maintainability of backend modules for the loan management system.
CS InfoTech Ltd.
Bangladesh (India)

Aus- und Weiterbildung

Aus- und Weiterbildung

4 Jahre
2020-10 - 2024-09

Studie - Digital Health

Master of Science, Hasso Plattner Institute, Germany
Master of Science
Hasso Plattner Institute, Germany
Thesis: on request
4 Jahre 5 Monate
2011-12 - 2016-04

Studie - Computer Science and Engineering

Bachelor of Science, Khulna University of Engineering & Technology, Bangladesh (India)
Bachelor of Science
Khulna University of Engineering & Technology, Bangladesh (India)
Thesis: on request

Kompetenzen

Kompetenzen

Top-Skills

Java 17 Spring Boot Kubernetes Docker Terraform Google Cloud

Produkte / Standards / Erfahrungen / Methoden

Profile
Backend Engineer with 7+ years of experience specializing in Java/Spring Boot and scalable cloud-native systems. Proven expertise in designing RESTful APIs, microservices, and CI/CD pipelines on AWS/GCP. Highly proficient in Java, Spring Boot, Hibernate and containerization, with a strong focus on building high-performance, secure, and observable enterprise backend solutions.

IT-Skills
  • Backend 
    • Java
    • Spring Boot
    • Hibernate
    • JPA
    • RESTful APIs
    • Microservices
  • Frontend 
    • JavaScript
    • HTML
    • CSS
  • Databases 
    • PostgreSQL
    • MySQL
    • Redis
  • Software Testing 
    • JUnit
    • Mockito
    • pytest
  • Cloud & DevOps 
    • Docker
    • Kubernetes
    • Terraform
    • CI/CD
    • AWS
    • GCP
    • OpenTelemetry
  • Others 
    • Git
    • GitHub
    • Linux
    • RabbitMQ

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