Senior Software Developer

We are currently looking for a Senior Software Developer to join our team!

Job Description

We’re a growing team in the Operations Department with two dedicated developers working independently on diverse and impactful projects. Collaboration is key here, as you’ll often liaise with colleagues across different departments to deliver solutions. We value technical expertise, proactive problem-solving, and fresh ideas to enhance our capabilities.

Responsibilities

• Take ownership of projects, from an idea to roll out, making a direct impact on our operations.
• Collaborate with non-technical stakeholders to understand their needs and translate them into technical solutions.
• Develop and maintain robust, scalable applications using C# (.Net Core) for backend development and Angular for the frontend.
• Design and implement databases in MS SQL (T-SQL), utilizing both ORM tools and database procedures/functions.
• Mentor and guide team members, fostering a culture of learning and best practices.
• Optimize applications for performance and scalability.
• Stay informed about the latest trends in technology to continuously improve our solutions.
• Design, test and implement features for internal tools.
• Deliver high quality and well-structured code

Requirements

• 5+ years of experience in web development
• .NET Core (C#) Backend development experience
• Experience with Docker and cloud services (GCP, AWS)
• Knowledge of Angular and its ecosystem (TypeScript)
• Proficiency in modern JavaScript (ES6+), HTML5, and CSS3
• Solid understanding of responsive design, accessibility, and cross-browser compatibility.
• Proficiency in T-SQL and Entity Framework Core
• Proficiency in English

Advantages

• Experience with CI/CD.
• Experience with message queues (ex. RabbitMQ, Azure Service Bus, Kafka).
• Experience with PWA, offline caching, service worker, WebSockets.
• Experience in unit testing and integration testing
• Experience in Google Apps Script (Google Workspace environment)
• Ability to work in a dynamic environment

What we offer

• 2 hours per week for developing your hobbies or spending time with loved ones (work until 3:00 PM on Fridays),
• Hybrid work model - true and flexible ;)
• Pet-friendly office - feel free to take your pet to our office
• We make a good team - 96% of our employees are satisfied with working in their teams,
• Free access to the language platform (eTutor) - you can learn English or German,
• Unlimited access to the EAP platform to take care for your mental well-being,
• Private medical care and a MultiSport card,
• Organizational involvement in climate action - check out our Declaration with WWF Poland,
• Mutual exchange of knowledge with top experts in the market eg. presentations from the Inspiring Thursdays series, WTFAQ elaborations, and many, many more,
• Mega Teams - regular strategic meetings of all experts serving a particular client, regardless of their specialization and the company they work for,
• Internally developed evaluation system: development discussions, a clear career path, individual approach, and the possibility of changing specialization,
• Additional benefits for employees with at least 5 years seniority (+10 more days off, high insurance coverage),
• Baby bonus for new parents,
• Development program - People Manager,
• Employment contract - after the 3-months trial period, we will offer you a permanent contract,
• Onboarding program and Buddy to facilitate a quick start,
• Parking for bikes, gaming room.

Group One is the largest independent communication group in Poland, offering clients integrated strategic, creative, media, and technological services. We were established to challenge existing rules in broadly understood marketing communication and to implement positive business changes for our clients as one unified team.

Although we already employ over 800 people, we are far from being a corporation. We value our flexibility and the freedom to act. We focus on people, as they are the ones who define Group One. We are looking for talents that prove the saying "no one is irreplaceable" is untrue.

Want to know more? Visit us at: www.groupone.pl