Software Engineer - Java (Cambridge)

Realex Payments; Cambridge; On-site; GBP 70,000 - 110,000; Full time

Job summary

Realex Payments in Cambridge is seeking a Software Engineer - Java to join a high-velocity WPG team focused on a global payments platform. You will design and develop Java-based distributed applications, emphasizing security, reliability, and scalability in a Linux environment.

You will work with SQL/Oracle databases, REST APIs, and Spring Boot, collaborating with UK and US engineers to deliver feature-rich solutions while adhering to agile practices and continuous delivery.

Qualifications

• Proficient in Java development for high-volume, 24/7 payment platforms.
• Solid knowledge of SQL/PLSQL and relational databases (Oracle).
• Experience with RESTful APIs and Spring Boot.

Responsibilities

• Design and implement Java-based solutions for ecommerce payments gateway.
• Collaborate with UK/US engineers to ensure 5 nines uptime and robust security.
• Participate in agile practices and continuous improvement within cross-functional teams.
• Provide code reviews and mentoring to peers.

Skills

Java

HTML

CSS

JavaScript

REST APIs

Spring Boot

JBoss

J2EE

JSP

Servlets

Gradle or Maven

Databases (Oracle) DDL and SQL

Basic Networking

Git & GitHub

Linux

Tools

Docker

Kubernetes

VS Code

Eclipse

Toad

DBeaver

SQL Developer

Job description

Make your mark at one of the biggest names in payments. We're looking for Software Engineer - Java to join our ever-evolving WPG team and help shape the future of global commerce. Whilst web development skills are crucial, a background payments and fintech would be extremely beneficial. What you'll own You will be working on one of the largest-by-volume global payment platforms in the world, focussing intensively on robustness, security, and capacity that can process over 800 transactions every second and exceeding 10 million successful payments every day.

• Design and develop solutions in Java, SQL, and PLSQL to ecommerce payments gateway as part of a team, in line with:
• The needs of a high-capacity mission-critical 24/7 service with 5 nines uptime
• Product specifications and drivers of business value
• Worldpay architectural and software engineering principles
• Department standards and practices e.g. code quality, agile ways of working, technical debt control
• Closely partner with the software and quality assurance engineers in the team through code reviews, knowledge sharing and mentoring
• Active collaboration with engineers in UK and US
• Active contribution to retrospectives, resolution of technical debt, and improvements to team and department working practices
• Periodic availability outside normal office hours for release support and deployment
• Working collaboratively along the whole SDLC - with colleagues in the team, solution designers, release team, support and the business to refine, release and run the software solutions, You will join one of our cross-functional teams containing developers, testers, scrum master, product owners and analysts. Each team has its own territory and backlog which it owns from kick-off to post-live. The teams follow agile practices which may be Scrum, Kanban or SAFe, adapted according to need. We integrate and deliver continuously, and so keep the feedback loop between product, development, test and end-users tight and responsive. We target fast feature development on our best-of-breed global payments platform.
  You will have the ability to build secure, clean and testable Java-based distributed applications in a Linux development environment
• You will have a firm grasp of relational database concepts (e.g. Oracle), appreciation of architecture and knowledge of industry design patterns
• You will have a dynamic can-do attitude, with the ability to work collaboratively within a team to drive continuous improvement and being able to prioritise under pressure
• You will take pride in your work and encourage others to do the same
• Experience with large code bases and version control systems
• Experience with Linux as a development and production environment

Skills in the following areas are considered essential:

• Java
• HTML
• CSS
• JavaScript
• REST APIs
• Spring Boot
• JBoss
• J2EE, JSP, Servlets, etc.
• Gradle or Maven
• Databases (Oracle) DDL and SQL
• Basic Networking
• Git & GitHub
• Linux (bash, ksh, ssh, etc.)

Experience in the following areas would be nice to have:

• C/C++
• Payment technologies (APACS, IFSF, Google Pay etc.)
• Exposure to Angular, AlpineJS, Bootstrap
• Database tools: Toad, DBeaver, SQL Developer
• IDEs: VS Code, Eclipse, etc.
• Typescript
• TLS, PKI - certs etc. Keyfactor, Sectigo.
• Apache config
• Containers (Docker, Podman, etc)
• Testing tools: Selenium, JUnit
• Data formats: XML, JSON, YAML
• AWS, Azure, Cloud etc.
• Login Authentication (SSO, MFA)
• CI/CD Pipelines
• Security scans, Snyk, Checkmarx, etc.

It's a bonus if you have knowledge of the following:

• A keen interest in innovation, using techniques like BDD, best-of-breed software engineering practices and tools, with an ability to communicate clearly their advantages with your peers, stakeholders and end users
• A keen interest in AI and ability to use any AI tool in your day-to-day job
• Some familiarity with agile frameworks and methodologies (Scrum, Kanban, SAFe), and knowledge of their various advantages and pitfalls
• Any experience of working in a global online business/knowledge of cryptography and secure inter-application communication principles/high availability, high capacity, mission-critical systems, etc.
  Globalpayers think like a client, act like an owner and win as one team. We're curious and innovative - always finding better ways to deliver impact. We empower each other to make decisions, and it's our passion that drives excellence in everything we set out to do.