# Senior Java Engineer - Flix Train Operations Management System

89-119 PLN/hour We are looking for a skilled Senior Java Engineer for service agreement collaboration (B2B contract) to cooperate with a team that focuses on automating and streamlining FlixTrain’soperational processes, creating internal tools that help teams manage a growing and increasingly modern fleet. The team works in a collaborative, pragmatic, low-bureaucracy way. Scope of services This engagement sits in a greenfield environment, where many systems are designed and built from scratch. Engineers are actively involved throughout the entire lifecycle: understanding operational challenges, contributing to architectural decisions, and ensuring high quality through solid testing practices. We value engineers who are curious about the business, eager to participate in discovery and problem framing, and comfortable navigating ambiguity. About the Engagement Collaborate with a self-organized, cross-functional distributed team responsible for a set of products, contributing directly to the success of the business Place our users at the center when developing solutions together with the team Contribute to the development process within an Agile environment Design new products fr

- **Id**: 4019322
- **Url**: <https://alion.io/job/flix-senior-java-engineer-flix-train-operations-management-system>
- **Role**: Backend
- **Role family**: Backend
- **Seniority**: senior
- **Employment type**: freelance
- **Work mode**: on_site
- **Hiring geo confidence**: structured
- **Locations**: Warsaw, Poland
- **Countries**: PL
- **Hiring countries total**: 0
- **Experience years min**: 7
- **Visa sponsorship**: no
- **Relocation package**: no
- **Has equity**: no
- **Status**: live
- **First seen at**: 2026-11-10T09:26:47Z
- **Employer posted date**: 2026-11-10
- **Last verified at**: 2026-11-10T19:21:33Z
- **Board verified**: yes
- **Days open**: 0
- **Description format**: text
- **Description chars**: 2670
- **Description truncated**: no
- **Relocation offered**: no
- **Industries**: Public Transport, Travel Technology

## Company

- **Id**: 1788217
- **Name**: Flix
- **Domain**: flix.com
- **Url**: <https://alion.io/company/flix-com>
- **Size band**: 1001-5000
- **Is staffing agency**: no
- **Employer type**: direct
- **Is intermediary**: no
- **Ats vendor**: Greenhouse

### Truth index

- **Grade**: A
- **Score**: 85
- **Open postings**: 30
- **Ghost share**: 0
- **Stale share**: 0.8
- **Repost share**: 0.033
- **Time to fill p50 days**: 21
- **Computed at**: 2026-11-10T06:52:35Z

## Salary

- **Min**: 89
- **Max**: 119
- **Currency**: PLN
- **Period**: hour
- **Usd annual**: 60000

## Technologies

- **Agile** — Optional: no
- **Amazon DocumentDB** — Optional: no
- **Amazon EC2** — Optional: no
- **Amazon S3** — Optional: no
- **Apache Kafka** — Optional: no
- **AWS** — Optional: no
- **CI/CD** — Optional: no
- **Datadog** — Optional: no
- **Docker** — Optional: no
- **GitLab CI** — Optional: no
- **Java** — Optional: no
- **Kubernetes** — Optional: no
- **MySQL** — Optional: no
- **PostgreSQL** — Optional: no
- **RabbitMQ** — Optional: no
- **Redis** — Optional: no
- **Spring Boot** — Optional: no
- **Terraform** — Optional: no
- **ETL/ELT** — Optional: yes
- **Snowflake** — Optional: yes

## Trust

- **Level**: ok
- **Days open**: 0

## Requirements

- **Experience years min**: 7
- **Manages managers**: no
- **Security clearance**: no

### Languages

- Language: English; Level: Upper-Intermediate (B2); Optional: no

## Lifecycle

- Event: open; At: 2026-11-10T14:20:37Z

## Liveness

- **Score**: 86
- **Band**: hot
- **Label**: Hiring now
- **P open**: 1
- **P active**: 0.86
- **P room**: 1
- **Age days**: 0
- **Expected fill days**: 21
- **Reasons**: conf:4, win:early, comp:brand
- **Computed at**: 2026-11-11T00:04:36Z

## Pay

- **Stated usd annual**: 60000
- **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.