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About The Company
We are a rapidly expanding business and technology consulting firm established in 2019. Our company specializes in delivering custom-tailored, white-glove engineering services designed to meet the unique needs of our clients. Recognizing that digital transformation encompasses more than just technology, we focus on providing comprehensive solutions that drive real business impact. With a proven track record of serving Fortune 500 companies and establishing ourselves as a trusted partner for leading organizations across various industries, our global team of talented professionals is committed to helping clients achieve their strategic goals. Our approach emphasizes innovation, collaboration, and excellence, ensuring that every project we undertake delivers measurable results and sustainable growth.
About The Role
We are seeking an experienced and opinionated Principal Java Engineer to join our high-performing engineering team. This role is pivotal in designing and developing low-latency, high-throughput systems within the payments processing domain. Based in the UK, this hybrid position offers an exciting opportunity to build scalable, real-time services utilizing modern cloud and container technologies. The ideal candidate will possess a strong passion for performance optimization, deep expertise in Core Java and Spring Boot, and thrive in a collaborative yet opinionated engineering environment. As a key technical leader, you will influence architectural decisions, mentor peers, and drive initiatives to improve system resilience, observability, and performance.
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Qualifications
- 10+ years of professional experience in Java development, with a focus on performance and memory optimization
- Proficiency in MongoDB, Spring Boot, and microservice architecture
- Hands-on experience with low-latency, high-throughput application development (sub-millisecond response times preferred)
- Experience deploying applications on Red Hat OpenShift and/or Kubernetes environments
- Strong cloud platform knowledge, especially AWS services such as ECS, EKS, Lambda, and S3
- Excellent communication skills with a proactive, action-oriented approach
- Demonstrated ability to make opinionated design decisions and drive technical excellence
Responsibilities
- Design, develop, and optimize backend systems that require low latency and high throughput using Java
- Build and maintain RESTful APIs and microservices supporting secure payment workflows
- Work with messaging standards and protocols common in financial transactions, ensuring compliance and reliability
- Deploy, monitor, and scale applications within Red Hat OpenShift and AWS cloud environments
- Integrate with NoSQL and SQL datastores such as MongoDB for real-time data management
- Collaborate closely with DevOps, Product, and QA teams to deliver production-grade solutions
- Lead architectural initiatives, advocate for best practices, and mentor junior team members
- Drive performance tuning, fault tolerance, and observability improvements across services
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Benefits
- Competitive salary package aligned with experience and skills
- Hybrid work model based in London, UK, offering flexibility and work-life balance
- Opportunities for professional growth and development within a dynamic environment
- Collaborative and fast-paced engineering culture emphasizing autonomy and innovation
- Access to cutting-edge technologies and cloud platforms
- Comprehensive health and wellness benefits (details available upon request)
Equal Opportunity
We are an equal opportunity employer and value diversity at our company. We 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. We are committed to creating an inclusive environment where everyone can thrive and contribute to our shared success.
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