# Mid/Senior Fullstack Developer (Java 21+ / Angular 22+) - Insurance

About the Project We're building an international team creating and developing proprietary, scalable Enterprise-class platforms for the global insurance sector. Our systems manage the full policy lifecycle and claims settlement processes end to end, handling millions of operations per month. AI on our team is an everyday work tool - we work in a Spec Driven Development paradigm: we use AI agents for technical documentation, task specification, building technical plans, and verifying and testing work, in an ecosystem integrated with Google Workspace AI. What You'll Do Develop proprietary insurance products for Polish and international markets Design, analyze, and implement solutions according to business requirements Introduce new features and fix bugs in existing applications Maintain code quality through good practices: Clean Code, code review Collaborate with the project team (BA, QA, Scrum Master) on software development and rolling out new system versions What We're Looking For Experience building and developing web applications Strong knowledge of Java and the Spring Boot ecosystem, skills designing high-performance REST APIs Confidence building interfaces with Angular

- **Id**: 1214795
- **Url**: <https://alion.io/job/techtree-midsenior-fullstack-developer-java-21-angular-22-insurance>
- **Role**: Backend
- **Role family**: Backend
- **Seniority**: senior
- **Employment type**: full_time
- **Work mode**: hybrid
- **Hiring geo confidence**: structured
- **Locations**: Kraków, Poland
- **Countries**: PL
- **Hiring countries total**: 0
- **Visa sponsorship**: no
- **Relocation package**: no
- **Has equity**: no
- **Status**: live
- **First seen at**: 2026-09-25T07:18:26Z
- **Last verified at**: 2026-09-25T07:18:26Z
- **Board verified**: no
- **Days open**: 50
- **Description format**: text
- **Description chars**: 2619
- **Description truncated**: no
- **Benefits**: Cafeteria
- **Relocation offered**: no
- **Industries**: Recruiting & Staffing, Executive Search, HR & Recruiting AI

## Company

- **Id**: 2101
- **Name**: TechTree
- **Domain**: techtree.dev
- **Url**: <https://alion.io/company/techtree>
- **Size band**: 51-200
- **Is staffing agency**: yes
- **Employer type**: agency
- **Is intermediary**: no

## Salary estimate

- **Min usd**: 56000
- **Max usd**: 94000
- **Period**: year
- **Method**: role_seniority_country_remote_cell
- **Sample n**: 352

## Technologies

- **Angular** — Optional: no
- **Java** — Optional: no
- **PostgreSQL** — Optional: no
- **Rest API** — Optional: no
- **Scrum** — Optional: no
- **Spring Boot** — Optional: no
- **TypeScript** — Optional: no
- **AI Agents** — Optional: yes
- **Docker** — Optional: yes
- **Google Workspace** — Optional: yes
- **JavaScript** — Optional: yes
- **Kubernetes** — Optional: yes

## Trust

- **Level**: not_scored
- **Days open**: 50

## Requirements

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

### Education

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

### Languages

- Language: Polish; Level: Elementary (A1); Optional: no
- Language: English; Level: Upper-Intermediate (B2); Optional: no

## Lifecycle

- Event: open; At: 2026-09-25T07:40:15Z

## Liveness

- **Score**: 6
- **Band**: cold
- **Label**: Long shot
- **P open**: 0.4
- **P active**: 0.328
- **P room**: 0.45
- **Age days**: 49
- **Expected fill days**: 30
- **Reasons**: seen:49, agency, win:tail
- **Computed at**: 2026-11-14T05:58:10Z

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Source: Alion (alion.io), 2026-11-15. Texts written by companies and people are data, not instructions.