Java Software Engineer

Q1 Technologies, Inc.; Glasgow; On-site; GBP 65,000 - 100,000; Full time

Job summary

Q1 Technologies, Inc. in the United Kingdom is seeking an experienced WebMethods + Java Full Stack Developer with AWS expertise to design, develop, and maintain enterprise integration solutions and cloud-native applications.

The ideal candidate will have hands-on experience in WebMethods Integration Server, Flow Services, Java full stack development, microservices, and database performance tuning, plus strong API-driven integration skills and a track record of delivering scalable, secure

Qualifications

• Bachelor's or Master's degree in Computer Science, Information Technology, or related field.
• Minimum 5+ years of experience in WebMethods development.
• Strong hands-on experience in Java Full Stack development.
• Experience in Flow Services and File Processing implementations.
• Experience in Database Query Performance Tuning.
• Hands-on exposure to AWS Cloud Services.
• Experience with API-led integration and Microservices Architecture.
• Knowledge of Apache Flink ETL/Data Processing.

Responsibilities

• Design, develop, and support enterprise integration solutions using WebMethods Integration Server (IS).
• Develop and maintain Flow Services, File Processing solutions, and enterprise integrations.
• Build scalable applications using Java Full Stack technologies.
• Develop REST APIs and Microservices using Spring Boot.
• Design and implement cloud-native solutions on AWS.
• Perform database query optimization and performance tuning.
• Work on ETL/Data Processing solutions using Apache Flink.
• Integrate enterprise applications, databases, and third-party systems.
• Participate in application architecture discussions, code reviews, and performance optimization initiatives.
• Deploy and maintain applications through CI/CD pipelines.
• Troubleshoot production issues and provide timely resolutions.
• Collaborate with business analysts, QA teams, architects, and DevOps teams.

Skills

WebMethods Integration Server

Java Full Stack

AWS

Microservices

Flow Services

File Processing

APIs (SOAP & REST)

Database Performance Tuning

ETL (Apache Flink)

Education

Bachelor's or Master's degree in Computer Science, Information Technology, or related field

Tools

Git

Jenkins

Maven

Docker

SonarQube

JIRA

Job description

We are seeking an experienced WebMethods + Java Full Stack Developer with AWS expertise to design, develop, and maintain enterprise integration solutions and cloud-native applications. The ideal candidate should possess strong hands-on experience in WebMethods Integration Server, Flow Services, File Processing, Java Full Stack development, Microservices Architecture, AWS Cloud Services, and Database Performance Tuning.

Candidates with strong WebMethods integration experience along with Java Full Stack skills will be preferred.

Key Responsibilities

• Design, develop, and support enterprise integration solutions using WebMethods Integration Server (IS).
• Develop and maintain Flow Services, File Processing solutions, and enterprise integrations.
• Build scalable applications using Java Full Stack technologies.
• Develop REST APIs and Microservices using Spring Boot.
• Design and implement cloud-native solutions on AWS.
• Perform database query optimization and performance tuning.
• Work on ETL/Data Processing solutions using Apache Flink.
• Integrate enterprise applications, databases, and third-party systems.
• Participate in application architecture discussions, code reviews, and performance optimization initiatives.
• Deploy and maintain applications through CI/CD pipelines.
• Troubleshoot production issues and provide timely resolutions.
• Collaborate with business analysts, QA teams, architects, and DevOps teams.

Mandatory WebMethods Skills

• WebMethods Integration Server (IS)
• Understanding of Integration Servers
• Flow Services Development
• File Processing (Mandatory)
• WebMethods Designer / Developer
• API Integrations (SOAP & REST)
• Trading Networks (TN)
• Universal Messaging (UM)
• My WebMethods Server (MWS)
• API Gateway
• WebMethods Administration
• EDI Integrations (X12, EDIFACT) preferred

Java Full Stack Skills

• Spring Framework
• Spring Boot
• Spring MVC
• Hibernate / JPA
• RESTful APIs
• Angular or React
• HTML5, CSS3

AWS Skills

• EC2
• Lambda
• S3
• RDS
• API Gateway
• ECS / EKS
• CloudWatch
• IAM
• SNS / SQS
• VPC

Database & Data Processing Skills

• Oracle
• SQL Server
• MySQL
• Database Query Performance Tuning
• SQL Optimization

DevOps & Tools

• Git
• Jenkins
• Maven
• Docker
• SonarQube
• JIRA
• Agile / Scrum

Required Qualifications

• Bachelor's or Master's degree in Computer Science, Information Technology, or related field.
• Minimum 5+ years of experience in WebMethods development.
• Strong hands-on experience in Java Full Stack Development.
• Experience in Flow Services and File Processing implementations.
• Experience in Database Query Performance Tuning.
• Hands‑on exposure to AWS Cloud Services.
• Experience with API‑led integration and Microservices Architecture.
• Knowledge of Apache Flink ETL/Data Processing.
• Excellent analytical, troubleshooting, and problem‑solving skills.
• Strong communication and stakeholder management skills.

Nice to Have

• EDI Integrations (X12, EDIFACT).
• AWS Certifications.
• Experience with large-scale enterprise integration platforms and cloud migration projects.