Senior Software Engineer and Team Manager

State Street; Kraków; On-site; PLN 288,000 - 352,000; Full time

Benefits offered by this job

Permanent contract from day one

Holiday days off

Medical package

Life insurance

Pension plan

Job summary

State Street in Kraków is seeking an experienced tech leader to combine hands-on engineering with leading a growing software team. You will guide Java/C# development, drive cloud-native and microservices initiatives, and mentor 5–10 engineers while coordinating cross-team work in an agile environment.

You will shape architectural decisions, ensure low-latency, high-throughput systems, and participate in SDLC best practices.

Qualifications

• 10+ years of full lifecycle Java app development experience.
• 2+ years leading a team of 5–10 people.
• Expert in Java or C#/.NET and OOP design.
• Strong with high-throughput, low-latency systems.
• Deep understanding of databases and data models.

Responsibilities

• Lead and mentor a 5–10 engineer team.
• Analyze, design, develop, test, and debug software enhancements.
• Collaborate with Analysts and PMs to craft scalable solutions.
• Guide code reviews and provide technical leadership.
• Support cloud-native, microservices-based architecture evolution.

Skills

Java

C#/.NET

OOP design

High-throughput systems

Cloud-native

Event-driven

Database internals

Agile & SDLC

Team leadership

Mentoring

Education

B.S. in CS or related field

MS degree preferred

Tools

Spring Framework

Kafka

Docker

Kubernetes

Job description

Summary

We are looking for experienced leader who wants to combine his technical expertise with leading a growing team of software engineers.

Responsibilities

• Analyze, design, develop, test, and debug large and complex software enhancements and solutions within Charles River’s business and technical problem domains including modifications to core frameworks and other primary facilities critical to system operation
• Collaborate with Business Analysts and Product Managers to create simple and sustainable software solutions for complex problems
• Direct problem solving for projects or major phases of projects to resolve software technical issues
• Develop, test, debug, and implement software programs, applications and projects using Java and being open to learn and utilize needed languages
• Provide informed guidance and critical analysis of proposed changes during code reviews
• Provide troubleshooting on large, mission critical client implementations
• Engage in the agile software development process by adhering to and advancing the CRD scrum methodology, including attending all daily standups, sprint planning, backlog grooming, and retrospectives
• Plan and coordinate cross-team activities groups to complete assignments
• Identify opportunities to modernize the codebase by transitioning to a cloud-native architecture and adopting a microservices-based approach
• Leverage artificial intelligence capabilities to enhance and automate processes, improving efficiency and scalability
• Mentor and guide Junior Engineers
• Lead a team of 5-10 engineers both from technical and managerial perspective

Qualifications

Recommended Education:

• B.S. degree (or foreign education equivalent) in Computer Science, Engineering or other technical course of study required. MS degree strongly preferred.

What We Are Looking For

• At least 10 years of experience with full lifecycle of project development for Java applications from similar industry
• At least 2 years of experience leading a team of 5 -10 people (this includes managing employee through whole life cycle from hiring to offboarding)
• Expert level proficiency in Java or C#/.NET, object-oriented design
• Strong experience with high-throughput low-latency systems
• Deep understanding of database internals and data model design
• Proven experience designing and building cloud-native systems that are observable, scalable, and resilient
• Familiar with event-drive architecture
• Strong understanding of financial system characteristics regarding transaction integrity, data consistency and reconciliation, auditability, and traceability
• Excellent problem-solving skills and ability to work independently and collaboratively in a team-oriented environment
• Experience in Agile and SDLC development methodologies

Minimum Salary

zł282 000 Annual

The minimum salary quoted above applies to the role in the primary location specified. If the candidate ultimately works outside of this primary location, the applicable minimum salary may differ.

Salary will be determined based on factors such as the position, type of work performed, individual skills, job description, working hours, diligence, initiative, self-management, length of employment, availability, and the quantity and quality of work delivered, as well as other objective and non-discriminatory criteria relevant to State Street employees.

In addition to salary, employees are eligible to be considered for discretionary annual performance-based awards.

We Offer

• Permanent contract from day one
• Additional holidays (Birthday Day Off, 3rd and 5th year anniversary Day Off)
• Gold Medical Package for employees and their families (partner and children)
• Premium life insurance package and private pension plan
• Wide range of soft skills training, technical workshops, language classes and development programs
• Opportunities to volunteer your time to company-driven initiatives, employee networks or organizations of your choice
• Variety of well-being programs
• Additional benefits available depending on the seniority of the role

About State Street

Across the globe, institutional investors rely on us to help them manage risk, respond to challenges, and drive performance and profitability. We keep our clients at the heart of everything we do, and smart, engaged employees are essential to our continued success.

We are committed to fostering an environment where every employee feels valued and empowered to reach their full potential. As an essential partner in our shared success, you’ll benefit from inclusive development opportunities, flexible work-life support, paid volunteer days, and vibrant employee networks that keep you connected to what matters most. Join us in shaping the future.

As an Equal Opportunity Employer, we consider all qualified applicants for all positions without regard to race, creed, color, religion, national origin, ancestry, ethnicity, age, disability, genetic information, sex, sexual orientation, gender identity or expression, citizenship, marital status, domestic partnership or civil union status, familial status, military and veteran status, and other characteristics protected by applicable law.

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Job ID: R-792464