Hackajob Ltd

Hackajob Ltd

Charing Cross, London

Principal Developer

Full-Time£90,000 - 90,000 per yearyesterdayUnited Kingdom
IT

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 36 week of 2026

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About Hackajob Ltd

Hackajob Ltd

Hackajob Ltd

Charing Cross

IT

Skills & Technologies

JavaScriptTypeScriptJavaRustKotlinScalaReactAngularSpringAWSGitCI/CD

Inferred from job description

Salary Insight

£90,000

This role

£55,000

UK median

This salary is 64% above the UK median for Developers55,000/yr).

Based on 2024–2025 UK technology sector benchmarks

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