Senior Software Engineer II

StepStone Group; Warszawa; On-site; PLN 10,155,600 - 12,164,400; Full time

Benefits offered by this job

Premium medical and dental care

Life insurance

Employee Referral Program

Hackathons

Knowledge Sharing Hours

In-house projects

Tech communities

Events and integration parties

Game room

Job summary

The Stepstone Group Poland is hiring a Senior Software Engineer II to own complex backend challenges in the Apply domain, primarily on .NET Core. You will be a hands-on technical anchor, shaping architecture and delivering solutions with the team.

You will mentor engineers, tackle ambiguous problems with minimal supervision, and drive architectural initiatives that align with business needs across a global platform.

Qualifications

• Proven experience with .NET Core, SQL, AWS and building scalable microservices.
• Strong understanding of asynchronous communication and message queues.
• Experience with automated testing, CI/CD pipelines and modern delivery practices.
• Ability to mentor engineers and participate in technical interviews.

Responsibilities

• Lead technical initiatives within the team and coordinate cross-team efforts.
• Design and implement architectural solutions while staying hands-on.
• Identify technical risks and optimization opportunities and justify solutions.
• Mentor and coach engineers and contribute to hiring and promotion processes.
• Share knowledge across the org via Communities of Practice and tech talks.

Job description

• Legal Entity: The Stepstone Group Polska sp. z o.o.
• Compensation: PLN 0 - PLN 1000000 - monthly

Company Description

Who we are

At The Stepstone Group, we have a simple yetvery importantmission: The right job for everyone. Using our data, platform, and technology, we create opportunities for job seekers and companies around the world to find a perfect match, in a fair andequitableway. With over 20 brands across 30+ countries, we strive for fair and unbiased hiring.

At our Tech Hub,locatednearWilanowskaMetro, we are here as more than 300 ambitious specialists who work on the development of our IT products. We are proud to be part of The Stepstone Group, a global expert in job-tech platforms and e-recruiting.

Join our team of 4,000+ employees and be part of reshaping thelabourmarket and becoming the world's leading job-tech platform.

Job Description

The jobat a glance

Join our Apply domain as a Senior Software Engineer II and take ownership of complex backend challenges built primarily on .NET Core. This is a senior individual contributor role where you will act as a hands-on technical anchor, shaping architectural solutions while building them together with the team.

Working in the Apply domain, you will solve ambiguous technical problems with low to moderate supervision, choose or adapt the right approach, and help teams connect engineering solutions back to business needs. You will also mentor less experienced engineers and contribute to technical initiatives that go beyond your immediate team.

This is so important to us. By joining our team, you will be playing a vital role as together we reimagine thelabourmarket to make it work for everybody.

Your responsibilities

Lead technical initiatives within the team and support cross-team engineering efforts.

Design and implement architectural solutions,remaininghands-on throughout delivery while ensuring code quality, engineering best practices, and modern software delivery standards.

Identifytechnical risks and optimization opportunities, recommending and justifying the most effective solutions.

Mentor and coach engineers, contributing to technical reviews, hiring, and promotion processes.

Drive knowledge sharing across the engineering organization through Communities of Practice and communicate technical decisions and trade-offs to both technical and non-technical stakeholders.

Qualifications

Your skills and qualifications

Strong hands-on experience with.NET Core, SQL, AWS, and building scalablemicroservices/event-driven architectures, including asynchronous communication and message queues.

Solid understanding ofautomated testing, CI/CD pipelines, and modern software delivery practices, with experience using or adoptingAI-assisted development tools.

Proven ability to independently solvecomplex and ambiguous technical challenges, selecting and adapting the mostappropriate solutions.

Experiencementoring and coaching engineers, with exposure to technical interviews, promotion reviews, or other engineering talent processes.

Self-driven and proactive engineer with excellent judgement, strong ownership mindset, anda track recordof contributing toknowledge-sharing initiativessuch as Communities of Practice, tech talks, or similar forums.

Additional Information

We'rea community here that cares as much about your life outside workas howyou feel whenyou'rewith us. Because your jobshouldn'ttake over your life, it should enrich it. Here are some of the benefits we offer:

Premium medical and dental care

Life insurance

Employee Referral Program

Hackathons, Knowledge Sharing Hours, In-house projects

Tech and sport communities

Events and integration parties

Game room and chillout zone

Our commitment

Equal opportunities are important to us. We believe that diversity and inclusion at The Stepstone Group are critical to our success as a global company, so we want to recruit, develop, and keep the best talent. We encourage applications from everyone, regardless of background, gender identity, sexual orientation, disability status, ethnicity, belief, age, family or parental status, and any other characteristic.

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