Java Software Engineer: API, Microservices & Cloud

Compunnel Inc.; Texas; On-site; USD 120,000 - 170,000; Full time

Job summary

Compunnel, Inc. seeks a Java Software Engineer to design, develop, and maintain scalable, enterprise-grade applications across web and mobile platforms. You will build RESTful APIs, microservices, and GraphQL services, leveraging cloud technologies and DevOps practices within Agile teams.

The role emphasizes API design, performance, security, and collaboration to meet business objectives and architectural standards. Strong Java expertise and experience with CI/CD are essential.

Qualifications

• Bachelor's degree or equivalent experience in computer science or related field.
• Strong fundamentals: data structures, algorithms, OOP, software engineering principles.
• Experience designing RESTful APIs and microservices.
• Experience building multi-tier, internet-facing web applications.
• Experience developing Java web services and API-based solutions.
• Strong knowledge of REST, XML, JSON, and modern application servers.
• Understanding HTTP protocols, networking, and internet architecture.
• APIs documented with Swagger or similar tools.
• DevOps and CI/CD experience with Jenkins, Maven, uDeploy, Stash, Docker, Kubernetes.
• Experience with AWS services (EC2, Lambda) and cloud-native architectures.
• Experience with testing frameworks (JUnit, Mockito, Spring Test).
• Experience in Agile environments and collaboration skills.

Responsibilities

• Design, develop, test, and maintain enterprise Java applications and RESTful APIs.
• Build scalable microservices and multi-tier web applications using modern practices.
• Develop and integrate HTTP-based APIs and GraphQL services.
• Participate in architecture, system design, and technical solution development.
• Translate business requirements into scalable technical solutions.
• Perform testing, debugging, performance optimization, and production support.
• Document APIs using Swagger or similar tools.
• Collaborate with Agile teams throughout the software development lifecycle.
• Implement CI/CD pipelines and automated build/deploy processes.
• Utilize cloud services and containerization technologies for deployment.
• Ensure adherence to architectural standards, coding practices, and security guidelines.
• Mentor team members and contribute to continuous improvement initiatives.

Skills

Java

REST APIs

Microservices

Cloud

DevOps

CI/CD

Agile

Docker

Kubernetes

Swagger

Jenkins

Git

Education

Bachelor's degree in Computer Science / Information Systems

Tools

Jenkins

Maven

uDeploy

Stash

Docker

Kubernetes

DataDog

Splunk

AWS

Swagger

Job description

We are seeking a talented Java Software Engineer to design, develop, and maintain scalable, enterprise-grade applications that support digital experiences across web and mobile platforms. The ideal candidate will have strong expertise in Java, API development, microservices architecture, cloud technologies, and DevOps practices. This role involves collaborating with cross-functional Agile teams to deliver high-quality software solutions that meet business objectives, architectural standards, and performance expectations.

Key Responsibilities

• Design, develop, test, and maintain enterprise Java applications and RESTful APIs.
• Build scalable microservices and multi-tier web applications using modern software engineering practices.
• Develop and integrate HTTP-based APIs and GraphQL services.
• Participate in application architecture, system design, and technical solution development.
• Analyze business requirements and translate them into scalable technical solutions.
• Perform application testing, debugging, performance optimization, and production support.
• Develop and maintain API documentation using Swagger or similar documentation frameworks.
• Collaborate with cross-functional Agile teams throughout the software development lifecycle.
• Implement CI/CD pipelines and support automated build and deployment processes.
• Utilize cloud services and containerization technologies to support application deployment.
• Ensure applications comply with architectural standards, coding best practices, and security guidelines.
• Contribute to continuous improvement initiatives and mentor team members as needed.

Required Qualifications

• Bachelor's degree in Computer Science, Information Systems, or a related field (or equivalent experience).
• Strong understanding of computer science fundamentals, including data structures, algorithms, object-oriented programming, and software engineering principles.
• Experience designing and developing RESTful APIs and microservices.
• Experience building multi-tier, internet-facing web applications.
• Experience developing Java web services and API-based solutions.
• Strong knowledge of RESTful services, XML, JSON, and modern application servers.
• Understanding of HTTP protocols, networking concepts, and internet architecture.
• Experience documenting APIs using Swagger or similar API documentation tools.
• Experience with DevOps and Continuous Integration/Continuous Deployment (CI/CD) tools, including:
• Jenkins
• Maven
• uDeploy
• Stash
• Docker
• Experience working with Kubernetes and application monitoring tools such as DataDog and Splunk.
• Experience working with AWS cloud services, including EC2, Lambda, and Serverless Computing.
• Experience with testing frameworks such as JUnit, Mockito, and Spring Test.
• Experience working in Agile software development environments.
• Strong analytical, problem-solving, communication, and collaboration skills.

Preferred Qualifications

• Experience with GraphQL API development.
• Experience with enterprise application architecture and distributed systems.
• Familiarity with DevOps toolchains and infrastructure automation.
• Product-focused mindset with a passion for delivering exceptional user experiences.

Certifications

• AWS Certified Developer or AWS Certified Solutions Architect – Preferred.
• Oracle Certified Professional (Java) – Preferred.
• No specific certifications are required for this position.