C# Technical Leader

Societe Generale; Warszawa; Hybrid; PLN 420,000 - 560,000; Full time

Benefits offered by this job

Hybrid work

Health package

Meal allowance

Sports card

Insurance

Job summary

Societe Generale in Warsaw is seeking a Technical Leader to drive architecture and hands-on development for trading-related applications. You will work with global teams across Paris, Hong Kong, and New York to deliver scalable, high-quality solutions.

Ideal candidates have strong C#/.NET experience, cloud architecture in Azure, and a track record in technical leadership, mentoring, and complex code reviews. Fluency in English is required and a hybrid work model is available.

Qualifications

• Must have hands-on experience with C#/.NET, REST APIs, and microservices architecture.
• Experience with cloud-native design and Azure AKS.
• Familiarity with CI/CD pipelines, GitHub Actions, and modern observability stacks.

Responsibilities

• Owns technical architecture and design of new products and major initiatives.
• Remains an active software engineer contributing to complex solutions.
• Leads code reviews, promotes engineering best practices, and mentors engineers.

Skills

C#/.NET

REST APIs

ASP.NET Core

Microservices

Azure

AKS

Event Hubs

Blob Storage

GitHub Actions

CI/CD

Observability

OpenTelemetry

Serilog

Code Reviews

Mentoring

English Fluent

Capital Markets

Education

Tools

Job description

Responsibilities

As a Technical Leader based in Warsaw, you will join a globally distributed team supporting business stakeholders across Paris, Hong Kong, and New York. You will contribute to the Agile development of business-critical applications supporting FX, Rates, and Credit trading activities, with a focus on volatility products and pricing. This role combines technical leadership with hands-on development. You will drive architecture and engineering decisions, work directly with traders to address business challenges, and help deliver scalable, high-quality solutions in a global environment.

Your future scope of responsibility will cover:

• Technical Architecture & Design: You’ll own the architecture and technical design of new products and major initiatives
• Hands-on Development: You’ll remain an active software engineer and contribute directly to the design and development of complex solutions
• Technical Leadership: You’ll lead code reviews, promote engineering best practices, and support the technical growth of the team
• Hiring & Mentoring: You’ll participate in technical recruitment of software engineers and you’ll mentor them through their onboarding.
• Continuous Improvement: You’ll drive technology modernization initiatives and explore new technical approaches, including AI-assisted solutions
• Business Partnership & Production Support: You’ll work closely with Traders to understand business requirements, deliver practical solutions and support the investigation and resolution of production issues
• Global Teamwork: You’ll collaborate with teams distributed globally, across Warsaw, Paris, Hong Kong, and New York

You will be best suited for this role if:

• You have strong hands-on experience with C#/.NET environment (primarily .NET 8,9,10), building REST APIs with ASP.NET Core and designing scalable microservices-based applications
• You have experience in Cloud architecture (preferable Azure with AKS/Kubernetes, Event Hubs, Blob/Table Storage), as well as working with GitHub Actions, CI/CD pipelines, and continuous delivery practices
• You are familiar with modern observability and monitoring practices, including ElasticSearch, Kibana, Grafana, OpenTelemetry, and structured logging frameworks such as Serilog
• You have hands-on experience in technical leadership capacity, conducting code reviews, mentoring engineers, and participating in technical hiring and interview processes
• You have strong communication skills. You are comfortable working directly with business stakeholders/clients and you thrive in a global work environment
• You are fluent in English

Experience in Capital Markets, particularly Credit, FX, Rates, or volatility products, as well as previous exposure to Blazor WebAssembly will be considered a strong asset

Why join us

• Work in a pleasant atmosphere as part of an international team in a brand-new office in the center of Warsaw, designed with facilities for people with disabilities
• An active role in an international structure and the opportunity for growth
• Access to educational platforms and language courses
• Stability
• Competitive salary based on seniority and skills
• Support in quick adaptation in the company
• Extraordinary health package with extensive dental care
• Hybrid work (3 office days per week) and one-time bonus for home office equipment
• Even more benefits such as meal allowance, holiday fund, sports card and insurance
• Please be informed that we will be accepting only resumes in English.

Your future with Societe Generale will include:

• Work in a pleasant atmosphere as part of an international team in a brand-new office in the center of Warsaw, designed with facilities for people with disabilities
• An active role in an international structure and the opportunity for growth
• Access to educational platforms and language courses
• Stability
• Competitive salary based on seniority and skills
• Support in quick adaptation in the company
• Extraordinary health package with extensive dental care
• Hybrid work (3 office days per week) and one-time bonus for home office equipment
• Even more benefits such as meal allowance, holiday fund, sports card and insurance
• Please be informed that we will be accepting only resumes in English.

Business insight

At Société Générale, we are convinced that people are drivers of change, and that the world of tomorrow will be shaped by all their initiatives, from the smallest to the most ambitious.

Whether you’re joining us for a period of months, years or your entire career, together we can have a positive impact on the future. Creating, daring, innovating and taking action are part of our DNA.

If you too want to be directly involved, grow in a stimulating and caring environment, feel useful on a daily basis and develop or strengthen your expertise, you will feel right at home with us!

Still hesitating?

You should know that our employees can dedicate several days per year to solidarity actions during their working hours, including sponsoring people struggling with their orientation or professional integration, participating in the financial education of young apprentices, and sharing their skills with charities. There are many ways to get involved.

Diversity and Inclusion

We are an equal opportunities employer and we are proud to make diversity a strength for our company. Societe Generale is committed to recognizing and promoting all talents, regardless of their beliefs, age, disability, parental status, ethnic origin, nationality, gender identity, sexual orientation, membership of a political, religious, trade union or minority organisation, or any other characteristic that could be subject to discrimination.