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- 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: Competitive salary, hybrid work model, and referral bonuses.
- Why this job: Join a dynamic team and make an impact in the payments processing domain.
- Qualifications: 5+ years in Core Java, SpringBoot, and experience with high-throughput applications.
- Other info: Collaborative culture with strong emphasis on engineering autonomy and clean code.
The predicted salary is between 36000 - 60000 £ per year.
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.
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.
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: 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.
Senior Java Developer (Low-Latency Payments Systems) in City of London employer: 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) in City of London
✨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 put in a good word for you.
✨Tip Number 2
Show off your skills! Create a portfolio showcasing your projects, especially those related to low-latency systems and payment processing. This will give potential employers a taste of what you can bring to the table.
✨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 joining our team.
We think you need these skills to ace Senior Java Developer (Low-Latency Payments Systems) in City of London
Some tips for your application 🫡
Tailor Your CV: Make sure your CV is tailored to the Senior Java Developer role. Highlight your experience with Core Java, SpringBoot, and any low-latency systems you've worked on. We want to see how your skills align with what we're looking for!
Craft a Compelling Cover Letter: Your cover letter is your chance to show us your personality and passion for the role. Share specific examples of your work in payments processing or high-throughput applications. Let us know why you’re excited about joining our team!
Showcase Your Problem-Solving Skills: In your application, don’t just list your skills—demonstrate them! Share stories of challenges you've faced in previous roles and how you overcame them. We love candidates who can 'Get Shit Done' and think critically.
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 shows us you’re keen to join our team!
How to prepare for a job interview at RE Partners
✨Know Your Java Inside Out
Make sure you brush up on your Core Java skills, especially around performance and memory optimisation. Be ready to discuss specific projects where you've implemented these concepts, as this will show your depth of knowledge.
✨Showcase Your SpringBoot Expertise
Prepare to talk about your experience with SpringBoot and microservices. Have examples ready that demonstrate how you've built and maintained RESTful APIs, and be prepared to discuss any challenges you faced and how you overcame them.
✨Familiarise Yourself with Payments Processing
Since the role focuses on low-latency payments systems, it’s crucial to understand the financial domain. Brush up on XML messaging standards and any relevant protocols, and be ready to explain how you've worked with them in past roles.
✨Emphasise Collaboration and Communication
This company values a collaborative culture, so be prepared to discuss how you've worked with cross-functional teams like DevOps and QA. Highlight your communication skills and any mentorship experiences, as they want someone who can advocate for best practices.
