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Freelance Java Backend Developer Jobs in Kentucky

Job Duties Design and develop backend services and scalable enterprise applications using Java ... Proficiency in cloud platforms (AWS, Azure) and DevOps tools (Docker, Jenkins CI/CD). * Database ...

$95K - $120K/yr

If your title today is Java Developer, Software Engineer, .NET Developer, C# Developer, Python Developer, JavaScript Developer, Node.js Developer, Full Stack Developer, Backend Developer, API ...

As a lead back-end developer at Booz Allen, you'll oversee a team as they use the latest ... Experience with the C++, Java, or Python automated testing techniques and tools such as Junit ...

$75K - $99K/yr

This role combines full-stack engineering (React front-end, Java back-end), platform ownership on large-scale commerce systems, and day-to-day technical mentorship and escalation. Key ...

$42.25 - $53.75/hr

Write, review, debug, and optimize production code actively; lead through hands-on engineering contribution rather than delegation. * Build cloud-native backend services using Java, Spring Boot ...

$42.25 - $53.75/hr

We are hiring for a Senior Java Developer opportunity. Location: Mechanicsburg, PA Position: 1 Role ... Strong understanding of backend application development and software engineering principles

$37.50 - $48.75/hr

We are seeking a Core Java & UI Developer Expert for a contract position in Atlanta, Georgia. This ... Develop and maintain enterprise backend services using Spring, Spring Boot, RESTful APIs, and ...

New

Deep proficiency in at least one backend language such as Python, Java, Go, or a comparable ... Experience with CI/CD pipelines, automated testing, and modern DevOps practices. * Track record of ...

$38.75 - $50/hr

The Senior Software Developer will build, and support software products used by the Department of ... Experience with Microservices architecture and backend service design. * Hands-on experience with ...

$107K - $160K/yr

Citi is looking for a skilled Java Developer at the Assistant Vice President level to design, build ... Build and maintain backend services across the full stack, including RESTful APIs and microservices ...

New

$129K - $193K/yr

... DevOps, and Product, to deliver end-to-end solutions. · Design and optimize data models, data ... Java, Python, etc.**Preferred Qualifications:** · Bachelor's or Master's degree in Computer ...

$88K - $115K/yr

... enterprise Java and/or Node.js backend services. * Implement asynchronous, event-driven ... Bachelor's degree in Computer Science, Engineering, or a related discipline; MS is a plus. * 8+ ...

$250K - $500K/yr

As a Staff Backend Engineer on the Services team, you'll be working directly on that infrastructure ... or Java where appropriate. * Profile and tune systems across the full stack, identifying ...

As a Backend Software Engineer, you will: * Lead the design and implementation of scalable backend ... Strong proficiency in at least one high‑level object‑oriented language (Ruby, Python, Java, etc.

Urgent Need JAVA Developer

Louisville, KY · On-site

$49 - $63.50/hr

A G-band level Java/Web developer with the following skills ... Backend database-Oracle 12c Core business logic-Oracle PL/SQL Stored Procedures Backend Application ...

Expert in at least one modern backend programming language (e.g., Python, Ruby, Go, Java, or Node.js) with strong fundamentals across the stack. * Proven ability to design and build distributed ...

$86/hr

Senior Java & Angular Full Stack Engineer Location: Chicago, IL (Hybrid) Contract Duration - 6 ... The ideal candidate combines backend engineering expertise with an understanding of how modern web ...

New

$110K - $130K/yr

Seeking a versatile Full Stack Software Engineer on a permanent, remote basisto drive the evolution ... Maintain, write, and optimize clean, maintainable code across the entire front-end and back-end ...

$98K - $163K/yr

## Full-Stack Developer (Java / PostgreSQL)Applylocations: US - DC, Washingtontime type: Full ... Design and develop Java-based backend services and RESTful APIs.* Develop responsive front-end ...

Design, build, operate backend services using Python + PostgreSQL, Go, Java-based Drools rules engine * Partner w/ other Bestow engineering teams on integration work across platform * Help build ...

New

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Freelance Java Backend Developer information

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Software Engineer (Backend & Cloud Applications)

On-site

Other

Posted 26 days ago


Job description

Location: Any Where in USA

Job Description

We are seeking a skilled Software Engineer with experience in backend development, API integration, and cloud-based application environments. The ideal candidate will design, develop, test, and maintain scalable software systems using modern programming languages, frameworks, and cloud technologies. This role requires strong knowledge of data structures, algorithms, and object-oriented programming principles, along with hands-on experience in building enterprise-grade applications, managing databases, and deploying solutions in AWS and Azure environments.

Job Duties

Design and develop backend services and scalable enterprise applications using Java, Python, C++, and modern frameworks such as Spring Boot, Node.js, and ASP.NET Core.

  • Build and integrate RESTful APIs and microservices to enable communication between distributed systems and external applications.
  • Manage and optimize databases (Oracle, PostgreSQL, MySQL, MongoDB) for efficient data storage and retrieval.
  • Debug and test applications by analyzing logs, execution traces, and test results to ensure system reliability and performance.
  • Enhance production systems by implementing new features, improving scalability, and maintaining application performance.
  • Deploy, monitor, and manage applications in cloud environments (AWS, Azure) using Docker, Jenkins CI/CD, and Git/GitHub.
  • Apply distributed systems concepts (Kafka, asynchronous processing) to improve scalability and performance.
  • Ensure code quality and maintainability through version control, code reviews, and adherence to best practices.
  • Contribute to web development and UI/UX improvements when required, supporting organizational digital platforms.
Required Skills & Certifications
  • Strong programming skills in Java, Python, C++, TypeScript, and JavaScript.
  • Hands-on experience with backend frameworks (Spring Boot, Node.js, ASP.NET Core) and frontend technologies (React.js, HTML5, CSS3).
  • Proficiency in cloud platforms (AWS, Azure) and DevOps tools (Docker, Jenkins CI/CD).
  • Database management expertise with Oracle, PostgreSQL, MySQL, and MongoDB.
  • Knowledge of distributed systems, scalability, and performance tuning.
  • AWS Certified Developer – Associate (DVA-C02).
  • AWS Certified Solutions Architect – Associate (SAA-C03).
Requirements

Master’s or Bachelor’s degree in CS, IT, Engg or related stream.

Travel and relocation to various unanticipated client locations throughout the United States may be required.

Equal Opportunity Employer.

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