Staff Engineer

Company Description

At The Stepstone Group, we have a simple yet very important mission: 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 fair and equitable way. With over 20 brands across 30+ countries, we strive for fair and unbiased hiring.  

At our Tech Hub, located near Wilanowska Metro, 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 the labour market and becoming the world’s leading job-tech platform.  

Job Description

Join our team and you’ll be responsible for building a state-of-the-art platform that powers scalable, event-driven recruiter facing systems.
Working in the B2B department, you will design and evolve architectures that integrate complex dependencies, ensure reliability, and deliver high-quality solutions both to our internal and external customers.

By joining our team, you will be playing a vital role as together we reimagine the labour market to make it work for everybody.

Your Responsibilities:

As a Staff Engineer you’ll be responsible for:

• Architectural Leadership
• Analytics & Insight
• Cross-Functional Collaboration
• Mentorship & Technical Excellence
• Execution & Reliability
• Define and evolve system architectures, applying Domain-Driven Design (DDD) to ensure scalability, resilience, and adaptability.
• Own and drive architectural decisions across teams, ensuring alignment with long-term business strategy and technical vision.
• Evaluate dependencies (internal and external) and design robust integration strategies, including API contracts and data flow ownership.
• Provide engineering insight and architectural trade-off analysis for Engineering Directors and VPs of Engineering.
• Assess performance, scalability, and cost through data-driven evaluations of systems, dependencies, and cloud infrastructure.
• Develop and maintain architectural dashboards/metrics that track technical debt, dependency health, and system performance.
• Partner with Engineering Managers and Product Managers to align technical roadmaps with business outcomes.
• Influence product planning with architectural foresight, identifying risks and opportunities in dependency management and analytics.
• Recommend and validate toolset and framework selections based on system needs, operational constraints, and team capabilities.
• Mentor engineers on architectural thinking, dependency management, and system observability.
• Lead and participate in design and code reviews, ensuring adherence to best practices in architecture, testing, and integration.
• Promote a culture of analytical decision-making and continuous improvement.
• Oversee the design, implementation, and monitoring of critical systems and APIs, with a focus on inter-system dependencies.
• Drive cloud optimization strategies (performance vs. cost), container orchestration, and dependency resilience.
• Ensure product stability and reliability through structured test strategies (Test Pyramid: unit, integration, E2E).

Qualifications

• Java & Frameworks:
• Event-Driven Systems (Kafka):
• Cloud & Infrastructure (AWS):
• Expert-level in Java (17+), JVM internals, concurrency, performance tuning, memory management.
• Advanced proficiency with Spring Boot, Spring Cloud, and reactive programming models.
• Strong grasp of design patterns, functional programming, and Domain-Driven Design (DDD).
• Deep knowledge of Kafka architecture: producers, consumers, partitions, replication, and retention.
• Experience designing fault-tolerant event-driven architectures.
• Strong understanding of stream processing.
• Skilled in schema management (Avro, Protobuf, JSON Schema) and schema registry strategies.
• Expertise in handling event ordering, idempotency, and exactly-once semantics.
• Proficiency in AWS core services: EC2, ECS/EKS, Lambda, S3, RDS, DynamoDB, API Gateway, CloudWatch.
• Strong experience with containerization and orchestration (Docker, Kubernetes, AWS ECS/EKS).
• Infrastructure as Code (Terraform, AWS CDK, or CloudFormation).
• Scaling strategies, observability (CloudWatch, OpenTelemetry, Prometheus, Grafana).

Additional Information

Benefits

We’re a community here that cares as much about your life outside work as how you feel when you’re with us. Because your job shouldn’t take over your life, it should enrich it. Here are some of the benefits we offer:

• Medical and dental care
• Life insurance
• Benefit platform budget
• Employee Referral Programme
• Hackathons, Knowledge Sharing Hours
• In-house projects
• Events and integration parties
• Charity initiatives, 2 extra volunteer days
• English/German lessons
• 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.