Principal Developer

Hackajob Ltd; Leeds; On-site; GBP 81,000 - 99,000; Full time

Benefits offered by this job

Quarterly profit share

Flexible and remote working

Career progression and mentorship

Wellbeing initiatives

Generous leave

Educational assistance

Certifications

Reward schemes

Job summary

Hackajob Ltd in Leeds is seeking a senior software engineering lead to drive architectural decisions, align on delivery with agile methods, and own end-to-end design and estimation for complex digital services.

You will mentor juniors, coordinate stakeholders, and document architecture, releases, and handovers while promoting best practices across teams.

Qualifications

• Deep understanding of coding best practices and modern architectural patterns, including microservices and message-driven architectures.
• Experience with non-functional requirements in mind.
• Experience in application and digital services design.
• Proficiency in software engineering practices such as code reviews, CI/CD pipelines, and SOLID/DRY.
• Hands-on experience with JavaScript/TypeScript, Angular, React, and Node.
• Hands-on experience with Java, Spring Boot, and Hibernate.
• Desirable: Kotlin.
• Experience in estimation and sizing.
• Experience in integration and API design.
• Proficiency in cloud technologies.
• Appetite to work with emerging AI technologies.
• SC eligible.

Responsibilities

• Provide technical leadership within a team to coordinate and deliver scalable, secure solutions in line with industry best practices.
• Work within a project management and agile delivery methodology to ensure timely and high-quality delivery of software applications.
• Take technical ownership of a product or software solution, covering design, estimation, shaping, and user story and requirement creation.
• Document solutions, including architecture, configuration, release, and support handover.
• Collaborate and liaise with stakeholders and end users throughout the software development lifecycle, including PMs, BAs, testing, and product teams.
• Clearly communicate technical designs in conversation, documentation, and presentations to stakeholders of varying technical ability.
• Provide effective knowledge transfer to team members and customers.
• Manage, coach, and develop junior members of the team and the wider community.
• Foster a positive working environment and facilitate team collaboration and communication.

Skills

Coding best practices

Microservices

Non-functional reqs

Architectural patterns

CI/CD pipelines

SOLID/DRY

Code reviews

JavaScript/TypeScript

Java/Spring Boot

Kotlin

API design

Cloud technologies

AI technologies

APIs

Security

DevOps

Tools

AI

API

AWS

Angular

CI/CD

Cloud

Hibernate

Java

JavaScript

Kotlin

Oracle

React

Spring

Spring Boot

TypeScript

microservices

NodeJS

Backend

DevOps

Embedded

OutSystems

Snowflake

Job description

Salary: £90,000 - 90,000 per year

Requirements

• Deep understanding of coding best practices and modern architectural patterns, including microservices and message-driven architectures.
• Experience developing applications with non-functional requirements in mind.
• Experience in application and digital services design.
• Proficiency in software engineering practices such as code reviews, CI/CD pipelines, and SOLID/DRY principles.
• Hands-on experience with JavaScript/TypeScript, Angular, React, and Node.
• Hands-on experience with Java, Spring Boot, and Hibernate.
• Desirable: Kotlin.
• Experience in estimation and sizing.
• Experience in integration and API design.
• Proficiency in cloud technologies.
• Appetite to work with emerging AI technologies.
• SC eligible.

Responsibilities

• Provide technical leadership within a team to coordinate and deliver scalable, secure solutions in line with industry best practices.
• Work within a project management and agile delivery methodology to ensure timely and high-quality delivery of software applications.
• Take technical ownership of a product or software solution, covering design, estimation, shaping, and user story and requirement creation.
• Document solutions, including architecture, configuration, release, and support handover.
• Collaborate and liaise with stakeholders and end users throughout the software development lifecycle, including PMs, BAs, testing, and product teams.
• Clearly communicate technical designs in conversation, documentation, and presentations to stakeholders of varying technical ability.
• Provide effective knowledge transfer to team members and customers.
• Manage, coach, and develop junior members of the team and the wider community.
• Foster a positive working environment and facilitate team collaboration and communication.

Technologies

• AI
• API
• AWS
• Angular
• CI/CD
• Cloud
• Hibernate
• Support
• Java
• JavaScript
• Kotlin
• Oracle
• React
• Spring
• Spring Boot
• TypeScript
• microservices
• NodeJS
• Backend
• DevOps
• Embedded
• Frontend
• OutSystems
• Security
• Snowflake

More

We are Version 1, a trusted technology and transformation partner with 30 years in business, working with global brands to deliver customer-focused solutions. We are a 3,300-strong, award-winning employer and a premier AWS, Microsoft, and Oracle partner in the UK and Ireland. Our Digital & Cloud Practice is growing rapidly, offering opportunities to work on large-scale transformational and migration projects across public and private sectors. We offer a comprehensive benefits package including quarterly profit share, career progression and mentorship, flexible and remote working, financial wellbeing support, wellbeing initiatives, generous leave, educational assistance, certifications, reward schemes, and community-focused initiatives. We are committed to diversity, inclusion, and a respectful workplace where everyone can thrive.

last updated 40 week of 2026