# Principal Software Engineer

You’ll be a Technical Leader, unblock the engineering team by resolving complex technical impasses, standardising engineering practices, and owning cross-functional initiatives. You'll still be a highly hands-on engineer, responsible for rapidly prototyping, shipping MVPs, and turning product ideas into polished user experiences. You’ll work across the stack, collaborating closely with product, design, and engineering teams while operating with a high degree of independence. What you'll do Build and ship new product features end-to-end Lead rapid prototyping and MVP development Develop modern frontend applications using TypeScript, Vue 3 Composition API, and Tailwind Contribute to backend services using Node, Bun, Koa, PostgreSQL, Prisma, and AWS Collaborate closely with cross-functional teams to shape product direction Improve performance, reliability, and developer experience across the platfor Support on hiring, performance and technical roadmaps. What you'll need Extensive experience building modern frontend applications with TypeScript and Vue3 Solid backend experience with Node-based services and relational databases Experience working with PostgreSQL, Prisma, AWS, a

- **Id**: 1191323
- **Url**: <https://alion.io/job/cytix-principal-software-engineer>
- **Role**: Backend
- **Role family**: Backend
- **Seniority**: lead
- **Employment type**: full_time
- **Work mode**: hybrid
- **Hiring geo confidence**: structured
- **Locations**: Manchester, United Kingdom
- **Countries**: GB
- **Hiring countries total**: 0
- **Visa sponsorship**: no
- **Relocation package**: no
- **Has equity**: no
- **Status**: live
- **First seen at**: 2026-09-17T16:18:59Z
- **Employer posted date**: 2026-09-17
- **Last verified at**: 2026-11-11T06:20:36Z
- **Board verified**: yes
- **Days open**: 54
- **Description format**: text
- **Description chars**: 4173
- **Description truncated**: no
- **Benefits**: Hybrid work
- **Relocation offered**: no
- **Industries**: Application Security, DevSecOps

## Company

- **Id**: 2681162
- **Name**: Cytix
- **Domain**: cytix.io
- **Url**: <https://alion.io/company/cytix>
- **Size band**: 51-200
- **Is staffing agency**: no
- **Employer type**: direct
- **Is intermediary**: no
- **Ats vendor**: Ashby

## Salary

- **Min**: 100000
- **Max**: 120000
- **Currency**: GBP
- **Period**: year
- **Usd annual**: 160629

## Technologies

- **AWS** — Optional: no
- **PostgreSQL** — Optional: no
- **Prisma** — Optional: no
- **Rest API** — Optional: no
- **Tailwind CSS** — Optional: no
- **TypeScript** — Optional: no
- **Vue.js** — Optional: no
- **JavaScript** — Optional: yes
- **Node JS** — Optional: yes

## Trust

- **Level**: ok
- **Days open**: 54

## Requirements

- **Manages managers**: no
- **Security clearance**: no

## Hiring locations

- **United Kingdom** — Iso: GB; Kind: country

## Lifecycle

- Event: open; At: 2026-09-24T16:53:16Z

## Visa

- Country: GB; Licensed sponsor: yes; Adverts offering sponsorship 24m: 0; Sanctioned now: no; Evidence: Licensed UK visa sponsor (Skilled Worker); Route: Skilled Worker

## Liveness

- **Score**: 26
- **Band**: fade
- **Label**: Fading
- **P open**: 1
- **P active**: 0.586
- **P room**: 0.45
- **Age days**: 54
- **Expected fill days**: 31
- **Reasons**: conf:3, win:tail
- **Computed at**: 2026-11-11T05:49:22Z

## Pay

- **Stated usd annual**: 160629
- **Is top pay**: no

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Source: Alion (alion.io), 2026-11-11. Texts written by companies and people are data, not instructions.