Senior Java Developer (Low-Latency Payments Systems)
Senior Java Developer (Low-Latency Payments Systems)

Senior Java Developer (Low-Latency Payments Systems)

Full-Time 36000 - 60000 ÂŁ / year (est.) No home office possible
RE Partners

At a Glance

  • Tasks: Design and optimise low-latency backend systems using Core Java and SpringBoot.
  • Company: Fast-growing tech consultancy with a focus on digital transformation.
  • Benefits: Hybrid work model, competitive salary, and opportunities for professional growth.
  • Why this job: Join a high-performing team and make an impact in the payments processing domain.
  • Qualifications: Strong Core Java and SpringBoot expertise, with experience in backend development.
  • Other info: Collaborative culture that values opinions and encourages mentorship.

The predicted salary is between 36000 - 60000 ÂŁ per year.

Who We Are

Who We Are: We are a fast growing business and technology consultant company co-founded in 2019. We offer a custom-tailored, white-glove engineering service fit for our clients, because a digital transformation is more than just technology. With a successful track record of being a preferred vendor for Fortune 500 companies and as a trusted partner for some of the industry’s leading companies, our global talent has helped many clients achieve their goals.

The 3 G’s of RE

The 3 G’s of RE:

“Get Shit Done.”

“Get Over Shit.”

“Give a Shit.”

We are seeking an experienced and opinionated Java Developer to join our high-performing engineering team, working on low latency , high-throughput systems in the payments processing domain. This hybrid role is based in the UK or US and offers the opportunity to build scalable, real-time services using modern technologies. If you’re passionate about performance, have strong Core Java and SpringBoot expertise, and thrive in a collaborative yet opinionated engineering culture, we want to hear from you.

Key Responsibilities

  • Design, develop, and optimize low-latency, high-throughput backend systems using Core Java and SpringBoot.
  • Build and maintain RESTful APIs and microservices that power secure payment workflows.
  • Work with XML-based messaging standards and protocols commonly used in financial transactions.
  • Deploy, monitor, and scale applications in Red Hat OpenShift and AWS cloud environments.
  • Integrate with MongoDB and other NoSQL/SQL datastores for real-time data management.
  • Collaborate with DevOps, Product, and QA teams to ensure production-grade solutions.
  • Participate in architectural discussions, advocate for best practices, and provide mentorship to peers.
  • Drive performance tuning, fault tolerance, and observability improvements across services.

Required Skills & Experience

  • 5+ years of experience in Core Java development with a focus on performance and memory optimization.
  • Proficient in SpringBoot and microservice-based architecture.
  • Proven experience with low-latency, high-throughput applications (sub-millisecond response times a plus).
  • Experience working with XML and message parsing/transformation.
  • Hands-on experience deploying applications on Red Hat OpenShift and/or Kubernetes.
  • Strong cloud experience with AWS services such as ECS, EKS, Lambda, S3, etc.
  • Solid understanding of MongoDB and NoSQL design patterns.
  • Prior experience in Payments Processing, financial services, or banking systems.
  • Strong communication skills and a bias toward action and opinionated design decisions.

Nice to Have

  • Familiarity with messaging systems (Kafka, RabbitMQ, etc.)
  • Exposure to container security and performance tuning on OpenShift.
  • Knowledge of payment gateways, ISO 20022, or SWIFT formats.
  • Collaborative, fast-paced, and engineering-driven culture. Emphasis on engineering autonomy, architectural decision-making, and clean code.

Join Our Global Team

Join Our Global Team: We invite you to apply for the position at RE Partners. Join us in shaping the future of business technology consulting and transforming the way organizations thrive in a digital world. As a diverse, woman-owned global business, we pride ourselves on keeping talent happy – our 7% attrition rate speaks volumes. Bring your talented friends along and earn a referral bonus

Equal Opportunity Employer

Equal Opportunity Employer: We are an equal opportunity employer and welcome applications from all qualified individuals regardless of race, color, religion, gender, sexual orientation, gender identity or expression, national origin, age, disability, or veteran status.

#J-18808-Ljbffr

Senior Java Developer (Low-Latency Payments Systems) employer: RE Partners

As a fast-growing business and technology consultancy, we pride ourselves on fostering a dynamic work culture that values collaboration, innovation, and personal growth. Our hybrid role for a Senior Java Developer not only offers the chance to work with cutting-edge technologies in low-latency payments systems but also provides ample opportunities for professional development and mentorship within a supportive team environment. Join us to be part of a company that truly cares about its employees and is committed to delivering exceptional results for our clients.
RE Partners

Contact Detail:

RE Partners Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land Senior Java Developer (Low-Latency Payments Systems)

✨Tip Number 1

Network like a pro! Reach out to your connections in the industry, attend meetups, and engage in online forums. You never know who might have the inside scoop on job openings or can refer you directly.

✨Tip Number 2

Show off your skills! Create a portfolio showcasing your projects, especially those involving low-latency systems and Java. This gives potential employers a taste of what you can do and sets you apart from the crowd.

✨Tip Number 3

Prepare for interviews by brushing up on your technical knowledge and soft skills. Practice coding challenges and be ready to discuss your past experiences with Core Java and SpringBoot. Confidence is key!

✨Tip Number 4

Don’t forget to apply through our website! It’s the best way to ensure your application gets noticed. Plus, we love seeing candidates who are proactive about their job search.

We think you need these skills to ace Senior Java Developer (Low-Latency Payments Systems)

Core Java
SpringBoot
Low-Latency Systems
High-Throughput Systems
RESTful APIs
Microservices
XML Messaging Standards
Red Hat OpenShift
AWS Cloud
MongoDB
NoSQL Datastores
SQL Datastores
Performance Tuning
Fault Tolerance
Observability

Some tips for your application 🫡

Show Your Passion: When writing your application, let your enthusiasm for Java and low-latency systems shine through. We want to see that you’re not just ticking boxes but genuinely excited about the role and what we do at StudySmarter.

Tailor Your CV: Make sure your CV is tailored to highlight your experience with Core Java, SpringBoot, and any relevant projects. We love seeing how your skills align with our needs, so don’t be shy about showcasing your achievements!

Be Clear and Concise: Keep your application clear and to the point. We appreciate straightforward communication, so avoid jargon and fluff. Just tell us what you’ve done and how it relates to the role – we’ll get the picture!

Apply Through Our Website: We encourage you to apply directly through our website. It’s the best way for us to receive your application and ensures you’re considered for the role. Plus, it’s super easy – just a few clicks and you’re in!

How to prepare for a job interview at RE Partners

✨Know Your Tech Inside Out

Make sure you brush up on your Core Java and SpringBoot skills. Be ready to discuss specific projects where you've optimised low-latency systems or built RESTful APIs. The more detailed examples you can provide, the better!

✨Understand the Business Context

Familiarise yourself with the payments processing domain. Knowing how your technical skills can impact business outcomes will show that you’re not just a coder but someone who understands the bigger picture.

✨Show Off Your Collaboration Skills

Since this role involves working closely with DevOps, Product, and QA teams, be prepared to share examples of how you've successfully collaborated in the past. Highlight any mentorship experiences too, as they value a team player.

✨Prepare for Architectural Discussions

Think about best practices in system design and be ready to discuss them. They’ll likely want to hear your opinions on performance tuning and fault tolerance, so come armed with insights and examples from your experience.

Senior Java Developer (Low-Latency Payments Systems)
RE Partners

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