Senior Software Engineer and Team Lead

State Street; Kraków; On-site; PLN 164,000 - 200,000; Full time

Benefits offered by this job

Permanent contract from day one

Birthday/Anniversary days off

Gold Medical Package

Private pension plan

Soft skills training

Job summary

State Street Corp in Kraków is seeking a Senior Java Developer and Team Lead to guide an engineering group responsible for Alpha/Charles River modules and core platform components.

You will mentor engineers, drive design discussions, and own day-to-day people management while delivering scalable, secure, production-grade software in a complex, mission-critical environment.

Qualifications

• 7+ years of software engineering experience with Java/backend tech, including leadership.
• Strong knowledge of core Java, JVM/server-side tech, Spring, SQL and OOP.
• Experience with large, complex production systems and legacy/migration projects.
• Familiarity with messaging and distributed systems (Kafka/JMS/MQ).
• Understanding of security, TLS, authentication/authorization and CVE remediation.

Responsibilities

• Lead a team of engineers from technical and managerial perspectives, including mentoring.
• Analyze, design, develop, test, and debug complex software enhancements.
• Provide technical direction and facilitate decisions on complex problems.
• Collaborate with analysts, product managers, architects, and other teams.
• Support troubleshooting of production issues and coordinate cross-team activities.
• Drive modernization, performance, security, and scalability initiatives.
• Own day-to-day people management including development and performance reviews.

Skills

Java

Team Leadership

Spring

SQL

Distributed Systems

Kafka

JMS

MQ

Security Best Practices

Gradle

Tools

Gradle

Kafka

JMS

MQ

Job description

SummaryAct as a Senior Java Developer and Team Lead responsible for leading an engineering team and supporting the enhancement, modernization, and maintenance of Alpha/Charles River Development modules and core platform components.The role combines people's leadership with strong technical understanding , requiring the ability to guide engineers working across complex, mission-critical systems.ResponsibilitiesLead a team of engineers from both a technical and managerial perspective, including mentoring, development, and the employee lifecycle.Analyze, design, develop, test, and debug complex software enhancements, including changes to core frameworks and platform components.Provide technical direction and facilitate decisions across complex engineering problems, balancing delivery, maintainability, security, stability, and technical debt.Collaborate with Business Analysts, Product Managers, architects, and other engineering teams to deliver sustainable solutions.Provide informed guidance and critical analysis during design discussions and code reviews.Support troubleshooting of complex, mission-critical client and production issues.Coordinate cross-team activities and dependencies required to deliver larger initiatives.Lead effectively in areas involving legacy systems, modernization, security, performance, messaging, build/dependency management, and cloud/container adoption.Mentor engineers while recognizing and leveraging deeper technical expertise within the team.Participate in and continuously improve Agile software development practices.Own day-to-day people management, including employee development and growth planning, performance reviews, leave planning, required training, and other administrative responsibilities.What we are looking forAt least 7 years of software engineering experience, primarily with Java/backend technologies, and at least 1 years of team leadership experience.Strong knowledge of core Java, JVM/server-side technologies, Spring, SQL, and object-oriented design.Experience with large, complex, production systems, ideally including legacy or mission-critical platforms.Good understanding of messaging and distributed systems such as Kafka, JMS, or MQ.Experience with build and dependency management, preferably Gradle, and troubleshooting issues spanning code, build, runtime, and infrastructure.Strong awareness of software security, including TLS, authentication/authorization, dependency vulnerabilities, and CVE remediation.Ability to understand and lead discussions around performance, scalability, concurrency, and production troubleshooting.Strong technical judgment and the ability to lead engineers who may have deeper expertise in individual technologies or components.Experience managing engineers throughout the employee lifecycle, including hiring, onboarding, development, and performance management.Ability to balance new development, modernization, technical debt, operational stability, and delivery commitments.Minimum Salary:zł182 004 AnnualThe 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 oneAdditional 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 planWide range of soft skills training, technical workshops, language classes and development programsOpportunities to volunteer your time to company-driven initiatives, employee networks or organizations of your choiceVariety of well-being programsAdditional benefits available depending on the seniority of the roleAbout State StreetAcross 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.Discover more information on jobs at StateStreet.com/careersRead our CEO StatementState Street's Speak Up LineZałącznik do standardu Whistleblowing i Speak Up SSBI GmbH dla Oddziału w Polsce