Senior .NET Developer

Talanto; Województwo pomorskie; Hybrid; PLN 234,000 - 307,000; Full time

Job summary

Talanto is seeking a Senior .NET Developer to join our team and help build innovative backend solutions for a European energy market client.

You will design and implement services in C#/.NET, work with microservices, databases, and messaging systems (RabbitMQ/Kafka), and contribute to CI/CD pipelines in a fully remote or hybrid Polish setup.

Qualifications

• 10+ years experience as a C#/.NET developer with strong SQL background.
• Experience with microservices and messaging infra (RabbitMQ & Kafka).
• CI/CD tooling experience (GitHub, GitHub Actions, Octopus Deploy or similar).

Responsibilities

• Design, develop, and maintain backend services and APIs using C# and .NET.
• Build and enhance scalable microservice-based solutions.
• Develop and optimize SQL database integrations and data processing workflows.
• Implement and maintain messaging solutions using RabbitMQ, Kafka, or similar technologies.
• Contribute to CI/CD pipelines and deployment automation.
• Collaborate with cross-functional teams to deliver high-quality software solutions.
• Participate in code reviews, architecture discussions, and technical decision-making.
• Monitor, troubleshoot, and improve application performance, scalability, and reliability.

Skills

C#

NET

SQL

Microservices

Messaging

CI/CD

Angular

Azure

Tools

RabbitMQ

Kafka

GitHub

GitHub Actions

Octopus Deploy

Docker

Kubernetes

Terraform

Elasticsearch

AWS

Job description

21,000 – 27,500 PLN

Important: if an employer asks you to log into their system via iCloud or Google, send a code, an SMS or Telegram password, run some code, or install software — refuse. These are signs of fraud.

Salary: 1000 - 1300 PLN/MD on B2B

Work model

100% remote or elastic hybrid from Gdańsk / Warsaw / Kraków(1 day from the office a week)

Why choose this offer?

Working for a leading European energy exchange

Collaboration with a team of specialists to create innovative solutions using the latest technologies

You can expect a flexible work organization

The Jit community will bring you a nice time duringregular integration meetings

Project

We're looking for a Senior .NET Developer to join our team and help build innovative solutions for a global leader in the energy market.

Responsibilities you'll have

• Design, develop, and maintain backend services and APIs using C# and .NET
• Build and enhance scalable microservice-based solutions
• Develop and optimize SQL database integrations and data processing workflows
• Implement and maintain messaging solutions using RabbitMQ, Kafka, or similar technologies
• Contribute to CI/CD pipelines and deployment automation
• Collaborate with cross-functional teams to deliver high-quality software solutions
• Participate in code reviews, architecture discussions, and technical decision‑making
• Monitor, troubleshoot, and improve application performance, scalability, and reliability

Expected competences and knowledge

• Experienced C# .NET developer (ideally 10+ yrs), with experience of SQL databases
• Experience with microservices and messaging infra (RabbitMQ & Kafka or similar)
• Experience in CI/CD tools such as GitHub, GitHub Actions, Octopus Deploy or similar

What we consider a plus

• Frontend experience (Angular or similar)
• Experience using Microsoft Azure platform and infrastructure services
• Some prior experience or knowledge about containerization and container orchestration (Kubernetes)
• Experience of implementing high-load and scalable applications using the Actor Model (Orleans)

Technologies you'll work with

• C#
• .NET
• SQL
• Messaging solutions
• CI/CD tools
• Angular

Client – why choose this particular client from the Jit portfolio?

Our client is the leading European power market company which delivers efficient, simple, and secure trading across Europe. In 2023 they celebrate 30 years of powering the market. The company offers day-ahead and intraday trading, clearing and settlement, and additional services to customers, regardless of size or location. Currently, 360 traders from 20 countries operate on their markets.

The company provides services on markets in the Nordic and Baltic regions, Germany, Poland, France, the Netherlands, Belgium, Austria, Luxembourg, and the UK. Our client is a Nominated Electricity Market Operator (NEMO) in 15 European countries, while also servicing power markets in Bulgaria, Croatia, and Georgia. In 2021 they had a total traded power turnover of 963 TWh.

Our client has three decadesof power market experience built on offering flexibility, transparency, innovation, greater choice, and opportunities on the electricity market.

The Human Factor of IT

‑ it’s not just a slogan, it’s a philosophy. The foundation of is people, which is why we prioritise you. We employ over 770 experienced experts, to whom we offer developmental projects, a wide range of benefits, and a proprietary professional development programme. Together with clients from around the world, we create innovative IT solutions delivered by highly specialised and efficient teams.

Behind our maxim are also charitable and educational activities. We support schools, universities, and educational institutions by conducting workshops, running educational projects, sponsoring events, and donating learning equipment. We offer internships that help launch careers in IT. We support water rescuers and hospitals by providing the necessary equipment. We also support numerous charitable organisations helping people in need, children, and the elderly. We are a Polish company and we share what we have achieved over more than 15 years of activity. By supporting local initiatives, we contribute to the circulation of good energy.

• DevOps
• Docker
• Terraform
• CI/CD
• Elasticsearch
• AWS