FullStack Engineer (API Engineer)

Qualifications:

• Bachelor’s Degree required in Computer Science, Engineering or related majors

• Minimum of 8 years’ applied experience as an API 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

Work model: hybrid work, 8 days a month in the office, Kraków

Type of contract:  B2B, contracting
Rate: 200–220 PLN/hour  

Major responsibilities:

· Deliver engineering expertise for our Future State Architecture, producing best in class payment processing capabilities

· Deliver high quality code artefacts ensuring quality gates are surpassed and robust test scripts are included

· Focus on delivering highly available, highly resilient software and service capability

· Participate in a wider delivery team providing development of the new capabilities

· Support transformation of the current payment estate, with laser focus on modernization and adoption of cloud-based technology

Responsibilities:

· 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

Requirements: Degree, API, Data models, Backend, Microservices, Security, Cache, Java, Go, Rust, JVM, Spring Boot, Kafka, Docker, K8s, Splunk, Grafana, Prometheus, Cloud, DevOps, VPC, Linux, Networking, Storage, Kubernetes, SQL, Communication skills