Senior Engineer

HKEX Group; Greater London; Hybrid; GBP 90,000 - 120,000; Full time

Job summary

HKEX Group in London is seeking a Senior Engineer to design and implement complex software solutions in a fast-paced, regulated environment. You will liaise with analysts, owners, and architects to translate requirements into robust designs and code.

Expect active participation in reviews, documentation, and deployment pipelines, with a focus on reliability and security. The role requires 5+ years of hands-on development across JVM languages, .Net, and Python frameworks, plus experience with

Qualifications

• 5+ years of software development experience with JVM languages (Java/Scala/Kotlin).
• Strong experience with Microsoft stack (.Net, SQL Server).
• Proficiency with Python frameworks (Django, Flask, Pandas).
• Experience in Agile and/waterfall lifecycles; writing tests and DevSecOps practices.
• Experience with distributed systems, big data processing, and microservices.
• Ability to create design docs and maintain knowledge bases.
• Ability to mentor peers and contribute to code quality and CI/CD pipelines.

Responsibilities

• Liaise with business analysts to understand complex requirements and craft designs.
• Collaborate with product owners and architects on solution design and estimates.
• Develop tasks per plan; contribute to peer reviews and documentation.
• Install, configure, and test software; support QA and operations teams.
• Provide guidance, training, and senior technical oversight across the team.

Skills

Java/Scala/Kotlin

.Net

Python frameworks

Kubernetes/Docker

Kafka/Big Data

Distributed systems

CI/CD / DevSecOps

JVM languages

Education

Bachelor's degree in CS/Engineering

Tools

Kafka

SQL Server

MapReduce

Job description

## Senior EngineerApply: UK-London: Full time: Posted Today: R004453Senior Engineer**Shift Pattern:**Standard 40 Hour Week (United Kingdom)**Scheduled Weekly Hours:**40**Corporate Grade:**D - Assistant Vice President**Reporting Line:**(UK Division) Information Technology**Location:**UK-London**Worker Type:**Permanent**Responsibilities:*** Liaise with business analysts, review and comprehend complex business requirements. Create application design to meet these requirements.* Work with product owners and architects to review and suggest solution design.* Compose high quality documentation and specifications.* Work alongside project stockholders to help ensure successful project delivery by assisting with accurate estimation, planning and task management. Commit to and carry out development tasks according to the development plan.* Conduct and contribute to peer reviews to improve overall code quality* Provide accurate advice, guidance, support and training to other individuals.* Install, configure and test software releases in development environment. Provide support and assistance to QA and operational personnel with queries in upstream environments.* Positively represent the software engineering function within the organization.* Adopt best practices around DevSecOps (automated builds, automated unit testing, increasing test code coverage, static code analysis, automated deployments etc.).* Compare multiple technical solutions and tools and explain/apply them in clear language if relevant.* Learn new technologies as and when required to cover other roles within the team and meet the evolving needs of the business.* Take on additional roles and responsibilities to meet project/departmental needs as necessary.* 3rd line support analysis, investigation and resolution of production incidents and problems.* Participation in an out of hours support rota to aid with investigation and resolution of production issues.* Support business on a technical and logical basis providing project support where required.* Be an active contributor to the product knowledge repository to further develop best practices and standard deployment methodologies.**Academic and Professional Qualifications Required:**Education to degree level desirable, preferably a Bachelors or Master’s degree in computer science, computer engineering or other technical discipline.**Required Knowledge and Level of Experience:**A candidate for this position must have got working experience in IT organisation as a technologist who has evolved from a strong background in hands on software development:* 5+ years of experience with software development, preferably working with JVM based languages (Java/Scala/Kotlin).* Good experience with Microsoft's software development stack ( .Net, SQL Server)* Good experience with Python Frameworks ( e.g. Django, Flask , Pandas etc)* Understanding of both scrum/agile and waterfall software development lifecycle models.* Experience in application development, including analysing stories, writing code, implementing automated tests, contributing to release and iteration planning and developing the working practices of the team.* Extensive project experience and participation.* Experience in creating and maintaining complex design documentation and knowledge bases.* Experience operating highly available services.* Experience with distributed systems, consistent hashing, distributed locking, check-pointing, and load balancing.* OOO/OOD concepts and design patterns, modularization, functional decomposition and system implementation using micro services.* Software engineering practices including various types of testing: BDD, TDD, Unit, Mock, functional, integration, automation.* Working knowledge of Map Reduce, Kafka or other Big Data processing platforms.* Demonstrates ability to work independently as well as in a team environment.* Experience with Data Streaming Standards and Design Patterns as well as use-cases.* Mentoring and peer review of designs and coded implementations* Ensure self and peers are actively seeking ways to objectively measure productivity. This will include a focus on automating code quality, code performance, unit testing, and build processing in the CI/CD pipeline* Beneficial + Experience in design and development of kafka integrations including topics, producers, consumers and streaming applications. + Dollar Universe.