# Senior Software Developer, Defence

Senior Software Developer, Defence Join our Sitaware Extensions Program and help deliver customised integrations and extensions to Systematic's defence product suite, from sensor interfaces to radio drivers. As Senior Software Developer, you will combine software design, implementation and testing in a close-knit team working in an exciting domain. The job You will contribute to the delivery of high-quality integrations and extensions, from requirements analysis through software design, implementation and testing. Beyond hands-on development, you will help apply and improve our development process, and share your knowledge to support the team's growth. In short, you can look forward to: Designing, implementing, documenting and debugging features, working primarily on back-end development (Java) and occasionally on front-end development (Angular) Analysing requirements, breaking them into technical tasks, and clarifying acceptance criteria Implementing and troubleshooting interfaces to hardware and external systems, such as sensors and radio interfaces Developing and maintaining unit and integration tests, and designing for testability Identifying issues and recommending improvemen

- **Id**: 3778107
- **Url**: <https://alion.io/job/systematic-senior-software-developer-defence>
- **Role**: Backend
- **Role family**: Backend
- **Seniority**: senior
- **Work mode**: on_site
- **Hiring geo confidence**: structured
- **Locations**: Copenhagen, Denmark
- **Countries**: DK
- **Hiring countries total**: 0
- **Visa sponsorship**: no
- **Relocation package**: no
- **Has equity**: no
- **Status**: live
- **First seen at**: 2026-11-04T23:57:41Z
- **Employer posted date**: 2026-11-04
- **Last verified at**: 2026-11-06T14:26:50Z
- **Board verified**: yes
- **Days open**: 1
- **Description format**: text
- **Description chars**: 4317
- **Description truncated**: no
- **Relocation offered**: no
- **Industries**: C4ISR, EHR & Clinical Software

## Company

- **Id**: 55311
- **Name**: Systematic
- **Domain**: systematic.com
- **Url**: <https://alion.io/company/systematic>
- **Size band**: 1001-5000
- **Is staffing agency**: no
- **Employer type**: direct
- **Is intermediary**: no
- **Ats vendor**: SuccessFactors

## Technologies

- **Angular** — Optional: no
- **Java** — Optional: no
- **JavaScript** — Optional: yes
- **TypeScript** — Optional: yes

## Trust

- **Level**: ok
- **Days open**: 1

## Requirements

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

### Education

- **Level**: bachelor
- **Optional**: no

### Languages

- Language: English; Level: Advanced (C1); Optional: no

## Lifecycle

- Event: open; At: 2026-11-04T23:57:41Z

## Liveness

- **Score**: 90
- **Band**: hot
- **Label**: Hiring now
- **P open**: 1
- **P active**: 0.903
- **P room**: 1
- **Age days**: 1
- **Expected fill days**: 14
- **Reasons**: conf:12, velocity, win:early
- **Computed at**: 2026-11-06T05:58:05Z

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Source: Alion (alion.io), 2026-11-06. Texts written by companies and people are data, not instructions.