KS 30.10 - Angular Developer with experience in AI, Python etc. from 1.1.2027 remote and partly to Frankfurt needed

Project overview

Your contact person for this request

Kirsten Schmidt-Horst

Tel.: [contact removed]

E-Mail: [contact removed]

By using the masculine form of the word "consultant / developer etc.", all gender forms female/male/diverse are meant

The services must be provided onshore - i.e. from Germany!

Important: The must-have and should-have requirements must be evident from the profile!!!!

With this request, we are looking for an Angular developer with experience in AI, Python etc.

DEADLINE FOR OFFERS: 30.10.2026 - 2 p.m.

3.1 Description of the Scope

The contractor will perform the services listed below independently and self-organized:

Further development and maintenance of an Angular-22 web application with Standalone Components and

signal-based state management

Implementation of data-driven analysis views (time series, maps, tables, timetable diagrams) based on

a generic KPI framework with GraphQL connection

Further development of the WebGL-based map visualization (Deck.gl) for railway infrastructures and

train movements

Development of editor interfaces for various data objects (timetable, infrastructure, master data,

model parameters)

Development and maintenance of reusable UI components (project-internal component library) based on

a company-wide design system

Connection of REST and GraphQL interfaces as well as Protobuf-based data communication

Reduction of technical debt: Resolution of architectural violations, migration from Leaflet to Deck.gl, increase

of test coverage

Conception and execution of automated quality assurance measures (unit tests, E2E tests)

Development and maintenance of REST endpoints of the Python backend (FastAPI, Pydantic, SQLAlchemy) incl.

database schema migrations (Alembic, PostgreSQL)

Extension of a GraphQL API (Ariadne) for the evaluation of large result data sets via a

column-oriented analysis database (Athena/Parquet)

Further development of serverless data pipelines (AWS Lambda, AWS Batch, S3, Glue) for import, ETL and

simulation runs

End-to-end implementation of features across frontend, API, and pipeline (one merge request per

E2E feature)

Requirement

Required experience / references

Proven senior experience in Angular development: professional frontend development, primarily with Angular, including a leading role in module and component interfaces and state management strategy

Senior, more than 5 years

Experience in the architectural further development of grown applications across frontend and backend: module and component interfaces, dependency directions, layer boundaries, and resolution of existing architectural violations

Practical experience with agent-based, AI-supported software development (agent mode, not just code auto-completion) with tools like Kiro, Claude Code, Cursor, or OpenCode

2 references

Python web APIs: FastAPI with Pydantic and relational data storage via SQLAlchemy including schema migrations

Experience in the development and implementation of algorithms for planning rail freight transport

1 reference

Source: Service description, page 7.

BA-0003393_Developer_Senior_DigLB.pdf

References

Weighting

Experience with WebGL-based map and geodata visualization of large, dynamic data sets and interactive editing of map objects (selection, moving, editing of geometries and attributes) with Deck.gl, MapLibre, or Three.js

2

25 %

Experience with complex, performant table representations of large data sets using AG Grid

Experience in the development of complex, interactive editor and form interfaces for structured data objects (dynamic forms, validation, dirty/undo handling, conflict resolution for simultaneous editing)

20 %

Experience with the performant representation of large data sets using Plotly.js, especially time series and interactive diagrams

10 %

Proven depth in the development of productive Python web services with FastAPI or comparable: authentication and role/permission-based authorization (OIDC/JWT, API keys), versioned schema migrations on a live relational database

Experience in implementing UI based on a design system with Figma, including design tokens/variables and integration of design and code (e.g., Figma Code Connect)

1

Project language: German

Utilization: 171 days remote and 45 days on-site in Frankfurt

Fee: €580.00 per day for remote and Frankfurt

Payment term:

30 days

Other

onshore

• Must-Have Requirements
• Should-Have Requirements

Project details

01.01.2027

Duration / End

30.12.2027

remote, partly Frankfurt

If you can support us in this matter, please send us suitable profiles.

Please remember when submitting your offer that we require the CV as a Word file.

Furthermore, please be so kind as to state your fee or confirm the fee guideline.

Start / End

01.01.2027 - 30.12.2027

Languages

German

Utilization

171 days remote and 45 days on-site in Frankfurt

remote and Frankfurt

Payment term

30 days

Fee

€580.00 per day for remote and Frankfurt

Other

If you can submit a qualified offer for this request, please send us a meaningful profile, including a concrete statement on availability and conditions. Please note that we will use the data you provide exclusively for the purpose of mediating project assignments in accordance with §5 BDSG. It will only be passed on to third parties within this scope after obtaining your consent. Thank you in advance for your support.

• Start: 01.01.2027
• Duration: bis 30.12.2027
• Remote: hybrid
• Location: remote und Frankfurt, DE
• Rate: 73-73 EUR/h
• Languages: German