Senior Software Engineer (Python / React) I Switzerland I On-site

Peoplemore; Baar; Vor Ort; CHF 41.000 - 63.000; Vollzeit

Benefits dieser Stelle

Private medical care

Sports card

Training courses

On-site in Switzerland

Zusammenfassung

People More is seeking a Senior Software Engineer (Python / React) for an on-site role in Switzerland (Baar). You will develop backend services in Python (FastAPI, Pydantic, SQLAlchemy), support React frontend work, and optimise SQL Server databases.

You’ll bridge the local Swiss team and the Central IT team in Greece, delivering scalable solutions across the stack. The role requires strong English, independence, and ownership, with opportunities to influence architecture and processes, while

Qualifikationen

• Proficient in developing and maintaining production software systems.
• Very good knowledge of modern, typed Python.
• Experience with FastAPI, Pydantic, SQLAlchemy, or similar technologies.
• Strong knowledge of Microsoft SQL Server and T-SQL: queries, indexing, execution plans, schema design, large datasets.
• Experience with Docker and multi-service environments.
• Practical knowledge of React and JavaScript; able to work across the full stack.
• Strong analytical skills to understand complex processes and data flows.
• Excellent communication and ability to challenge technical decisions constructively.
• Independence, ownership, and willingness to lead from analysis to deployment.
• Fluent English skills.

Aufgaben

• Develop and maintain backend services, frontend applications, and data pipelines.
• Build backend solutions in Python using FastAPI, Pydantic, and SQLAlchemy.
• Analyse and optimise Microsoft SQL Server databases and queries.
• Support frontend apps developed with React and JavaScript.
• Develop and maintain data pipelines feeding the platform with market data.
• Support quantitative models used for valuation, risk management and market analysis.
• Review solutions from Central IT and identify performance or architecture improvements.
• Provide professional technical feedback and act as a link between Switzerland and Greece IT teams.
• Translate traders’ needs into practical technical solutions.
• Support Docker-based deployments in multi-service environments.

Kenntnisse

Python

React

English

Analytical thinking

Communication skills

Ownership

Problem solving

Tools

FastAPI

Pydantic

SQLAlchemy

Microsoft SQL Server

T-SQL

Docker

JavaScript

React.js

Jobbeschreibung

Hello,

We are called People More because we treat our employees with respect, but also because the projects we work on are for people and should be easy and pleasant to use. We are technological, but we look at the bigger picture :)

The company is made up of people with a huge client base in the country and abroad, for whom we build projects from scratch (UX, UI, frontend, backend, mobile) or in part. We work directly for our clients and also support our partners in their own solutions. This ensures a wide range of projects and the ability to change! We work with clients all over the world.

For the project that we are working on with our partner, we are looking for Senior Software Engineer (Python / React) I Switzerland I On-site.

Your Duties Will Include

• Developing and maintaining backend services, frontend applications, and data pipelines.
• Building backend solutions in Python using FastAPI, Pydantic, and SQLAlchemy.
• Analysing and optimising Microsoft SQL Server databases, including queries, indexes, and execution plans.
• Supporting frontend applications developed with React and JavaScript.
• Developing and maintaining processes responsible for supplying the platform with market data.
• Supporting quantitative models used for valuation, risk management, and market analysis.
• Reviewing solutions delivered by the Central IT team and identifying technical, performance, and architectural issues.
• Providing professional and constructive technical feedback.
• Acting as a technical link between the local office in Switzerland and the Central IT team in Greece.
• Translating the needs of traders and analysts into practical technical solutions.
• Supporting Docker-based deployments and multi-service environments.
• Combining locally developed business tools with corporate solutions, standards, and platforms

Requirements That Must Be Met

• Experience in developing and maintaining production software systems.
• Very good knowledge of modern, typed Python.
• Experience with FastAPI, Pydantic, SQLAlchemy, or similar technologies.
• Very good knowledge of Microsoft SQL Server and T-SQL, particularly in the following areas:
  • query optimisation,
  • indexing,
  • execution plan analysis,
  • database schema design,
  • working with large datasets.
• Experience with Docker and multi-service environments.
• Practical knowledge of React and JavaScript. The role may be more backend-focused, but it requires the ability to work across the full technology stack.
• Ability to analyse existing solutions and assess their quality, performance, and architecture.
• Strong analytical skills and the ability to understand complex business processes and data flows.
• Excellent communication skills.
• Ability to professionally challenge technical decisions and propose better solutions.
• Independence, ownership, and willingness to lead solutions from analysis through implementation and deployment.
• Very good English

Nice To Have

• Experience in energy, commodity trading, or financial markets.
• Knowledge of areas such as power, gas, emissions, forward curves, positions, P&L, valuation, or risk.
• Experience with pandas, NumPy, PyArrow, Dagster, or Jupyter.
• Knowledge of Rust, C++, C#, or F# in performance-sensitive solutions.
• Experience working at the intersection of local business needs and centralised corporate IT structures.

What We Offer

• We are open and honest and we solve problems instead of generating them.
• Maybe it’s obvious, but we really respect our employees and associates. We used to be software developers, too, and we appreciate that job!
• A small team
• An international working environment and international projects
• Private medical care
• Sports card
• Training courses
• Work on-site in Switzerland.

Why it’s a good idea to work with People More?

• If you are not satisfied with your work or your tasks, we’ll find a way out together!
• If you get bored, we will offer you a new product and new, fascinating tasks
• We will work on your brand together: you will get an opportunity to attend conferences, including as a speaker, and we will help you publish in recognized magazines and online
• We will facilitate your access to challenges that are usually difficult to get
• At any time, you can talk directly to the board of People More—we talk your language because the company’s founders are software developers and designers!

What does the recruitment process look like?

• A friendly remote initial interview
• A remote technical talk
• The decision to work together!

Salary

140 - 210 zł/h

30 - 46 CHF

contract

B2B

Location

Switzerland / Baar / on-site