Be a part of a new team delivering Future State Architecture for payment processing. Introduce lean and reusable payment processing engine that will form the basis of our next generation payment capabilities. Leverage software already available in our catalogue, working in an inner sourcing model with strong focus on reuse and enhancement of existing software. This will be an enabler to deliver new product features at high speed, low cost and with the desired quality.
 

Job details:

• Role:Lead Software Engineer with Java
• Full-time
• Hybrid work – 8 days a month in Krakow office
• Start date: 02/03/2026
• End date: 30/11/2026

Scope:

• Set the level expected for software delivery within the team, leading by example
• Serve as expert in area of responsibility, identifies process improvements and problem prevention, and advises department and management of relevant information as appropriate
• Provides analysis and solutions to technical and business issues
• Understand and apply technology and corporate vision setting direction on implementation.
• Maintain awareness of business and technology strategies and implements technical alternatives and strategies to gain competitive advantage
• Maintains the complex technical infrastructure of assigned area to meet the business requirements.
• Provides technical solutions to business problems, technical leadership and direction to management.
• Remain current on technical and professional advances and business strategies regarding area of responsibility
• Resolve architectural or development blockers raised
• Partner with DevOps team to enable automated infrastructure delivery, DevSecOps value streams are executed and CI /CD pipelines to deploy services
• Initiate analysis for complex problems and issues, determine technical alternatives, analyse vendor solutions and negotiate contracts, and develop appropriate standards for technology application.
• Provide technical leadership and consultation to project team members as directed by the project manager
• Initiate and conduct feasibility studies of new and modified operational procedures.
• For large systems, prepare cost/benefit analyses, functional and detail specifications
• Provide direct guidance in planning, designing, programming, documentation and implementation of the systems
• Perform reviews of new and existing systems to ensure operational integrity and accomplishment of stated objective
• Design, code, test, debug and document programs as required.
• Provide architecture guidance to developers based on best practices and in alignment with global standards
• Ensuring compliance with all relevant controls and standards
• Keep up-to-date and have expertise on current tools, technologies and areas like cyber security and regulations pertaining to aspects like data privacy, consent, data residency etc. that are applicable

Skills:

• Bachelor’s Degree required in Computer Science, Engineering or related majors
• Minimum of 8 years’ applied experience as an  engineer
• Strong experience in API designing and creating architectural artefacts such as gap analysis, low level designs, data models etc.
• More than 5 years of engineering background in back-end microservices application development, application security and authentication development, cache and middleware
• More than 8 years’ experience programming in Java and ideally Go and Rust
• Expertise in JVM tuning and diagnostic for application troubleshooting and performance-optimization
• Expertise in distributed system design including microservices, Springboot
• Experience working with Kafka, Docker, k8s, service mesh
• Experience with monitoring and observability technologies: Splunk, Grafana, Prometheus, Jaeger, Kiali, Open Telemetry
• Experience in cloud and DevOps, familiar to network (VPC) and firewall on cloud, identity and access management, cloud delivery including sizing and costing
• Demonstrable knowledge on infrastructure like Linux OS, networking, storage, network load-balancing, Kubernetes CNI.
• Strong SQL coding abilities is preferred
• Experience of working in a financial institution, ideally in payments
• Ability to work independently and think out of the box
• The passion and ability to lead/motivate and develop technologist, including mentoring and coaching.
• Superior listening skills, ability to learn quickly, and willing to accept accountability for company and individual success
• Extensive critical thinking skills for problem identification and solution recommendation
• Exceptional team player that can lead others in demonstrating initiative and sound business judgment and is interested in expanding skills and growing professionally
• Highly flexible, set priorities and meet deadlines in a changing environment
• Excellent written and verbal communication skills in English, ability to negotiate, resolve conflicts and influence technical choices relating to business, development and architectural requirements

SNI sp. z o.o. will process personal data for the purpose of the recruitment process in accordance with Data Privacy Policy. The data may also be stored and processed for future recruitment purposes, in accordance with the given consent.