# Medior Software Developer

We are looking for a highly motivated Software Developer who wants to grow and to help Vesper get to the next level. As a Software Developer at Vesper you will continuously be working on improving the product, the team, and yourself, either by excelling in (parts of) our products, identifying existing technical challenges and owning them, joining customer interviews, or by joining backlog reviews and representing the development team’s interests. You are proactive and passionate about the team and product, either as a specialist or generalist, and will get both the freedom and responsibility to bring Vesper to the next level. Data Integration: Design, develop, and implement data ingestion processes to integrate data from various sources, including APIs, databases, and third-party services. Data Quality Assurance: Implement data validation and cleansing processes to ensure the accuracy and reliability of integrated data. Performance Optimization: Monitor and optimize the performance of data processing workflows and database queries to enhance system efficiency. Deploy and run your own code in a production environment Identify existing technical challenges and take ownership to c

- **Id**: 4025366
- **Url**: <https://alion.io/job/vesper-medior-software-developer>
- **Role**: Backend
- **Role family**: Backend
- **Seniority**: middle
- **Work mode**: on_site
- **Hiring geo confidence**: structured
- **Locations**: Amsterdam, Netherlands
- **Countries**: NL
- **Hiring countries total**: 0
- **Experience years min**: 2
- **Visa sponsorship**: no
- **Relocation package**: no
- **Has equity**: no
- **Status**: live
- **First seen at**: 2026-11-04T09:41:57Z
- **Employer posted date**: 2026-11-04
- **Last verified at**: 2026-11-10T16:41:17Z
- **Board verified**: yes
- **Days open**: 6
- **Description format**: text
- **Description chars**: 2828
- **Description truncated**: no
- **Benefits**: Apple Macbook, Professional development
- **Relocation offered**: no
- **Industries**: Data Providers & Datasets, Financial Data & Market Intelligence

## Company

- **Id**: 22680
- **Name**: Vesper
- **Domain**: vesper.ai
- **Url**: <https://alion.io/company/vesper>
- **Size band**: 51-200
- **Is staffing agency**: no
- **Employer type**: direct
- **Is intermediary**: no
- **Ats vendor**: Recruitee

## Technologies

- **CI/CD** — Optional: no
- **Git** — Optional: no
- **GitHub** — Optional: no
- **Laravel** — Optional: no
- **MySQL** — Optional: no
- **PHP** — Optional: no

## Trust

- **Level**: ok
- **Days open**: 6

## Requirements

- **Experience years min**: 2
- **Manages managers**: no
- **Security clearance**: no

### Languages

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

## Lifecycle

- Event: open; At: 2026-11-10T16:41:17Z

## Liveness

- **Score**: 86
- **Band**: hot
- **Label**: Hiring now
- **P open**: 1
- **P active**: 0.86
- **P room**: 1
- **Age days**: 6
- **Expected fill days**: 43
- **Reasons**: conf:3, win:early
- **Computed at**: 2026-11-10T20:16:55Z

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Source: Alion (alion.io), 2026-11-10. Texts written by companies and people are data, not instructions.