AWS Developer/Architect - Northampton and remote - 6 months+

Octopus Computer Associates; Remote; GBP 55,000 - 65,000; Full time

Job summary

A leading technology firm in the UK is seeking a skilled developer to join their fraud detection team. The role requires strong AWS expertise and Java programming skills, as well as experience with real-time data streaming using Kafka. Collaborating with cross-functional teams, the successful candidate will lead data migration and enhance fraud detection solutions. This position offers immediate interviews and requires the ability to work in a fast-paced, collaborative environment.

Qualifications

• Strong AWS expertise with cloud-native databases, relational stores and caching technologies.
• Proficient in Kafka for data streaming; experience with NodeJS on AWS.
• Solid programming skills in Java and microservices architecture.
• Hands-on experience with CI/CD tools like Jenkins and GitHub Actions.

Responsibilities

• Collaborate with teams to design and deliver fraud detection PoCs.
• Lead data migration to cloud-native databases.
• Integrate Databricks into the fraud detection pipeline.
• Participate in weekly stand-up calls for progress updates.

Skills

AWS expertise

Kafka for real-time data streaming

NodeJS on AWS

Java programming

CI/CD pipelines and tools

Unit testing and framework understanding

Agile mindset

Collaboration and communication skills

Job description

Responsibilities

• Collaborate with cross‑functional teams to architect, design, develop and deliver PoCs related to fraud detection.
• Lead the migration of data and services from Aerospike to cloud‑native databases as required.
• Integrate Databricks‑based back‑testing into the fraud detection pipeline.
• Work closely with architects and other developers to ensure seamless integration with existing systems.
• Participate in weekly stand‑up calls to demonstrate progress and align on deliverables.
• Take ownership of tasks from the backlog, ensuring timely and high‑quality delivery.

Qualifications

• Strong AWS expertise, particularly with experience in cloud‑native databases, relational stores and caching technologies (eg. DynamoDB, Redis, Postgres, Aerospike, etc.).
• Proficiency in Kafka for real‑time data streaming and integration.
• Experience with NodeJS on AWS.
• Working knowledge of Aerospike and its data model (advantage).
• Solid programming skills in Java (back‑end development).
• Hands‑on experience in microservices‑based distributed environments, with a solid understanding of service orchestration and inter‑service communication.
• Commitment to building high‑performance, scalable, and resilient distributed systems, with emphasis on clean, maintainable, and testable code.
• Hands‑on experience with CI/CD pipelines and tools (eg. Jenkins, GitHub Actions, GitLab CI, etc.) for automated build, test, and deployment processes.
• Awareness of secure coding standards, data protection principles, and experience working in regulated environments (especially relevant for fraud detection and financial services).
• Strong understanding of unit testing, integration testing, and test automation frameworks (eg. JUnit, Jest, PyTest, etc.) to ensure code quality and reliability.
• Familiarity with cloud‑native development and CI/CD practices.
• Agile mindset with a proactive, developer‑driven approach to problem‑solving. A hands‑on architect & developer with a strong sense of ownership and accountability.
• Comfortable working in a collaborative, fast‑paced environment.
• Able to pick up tasks independently, contribute to design discussions, and deliver integrated solutions.
• Strong communication skills to engage with both technical and non‑technical stakeholders.

Please send CV for full details and immediate interviews. We are a preferred supplier to the client.