FullStack Engineer (API Engineer)
Work model: hybrid work, 8 days a month in the office, Kraków
Type of contract: B2B, contractingRate: 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
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
Why apply for an Antal job offer?
When your application is successful, you will be supported by a dedicated Consultant who will stay in regular contact with you (via email or phone), help you prepare for interviews with your future employer, and ensure a smooth and professional recruitment process.
About Antal
Antal is a leading recruitment and HR advisory company, present in Poland since 1996 and later expanded to the Czech Republic and Hungary. Across the CEE region, we employ around 150 professionals who deliver a full range of services – from specialist and executive recruitment, employee outsourcing and HR consulting, to employer branding and market research.
Our division-based structure combines deep industry expertise with functional specialisation, enabling us to provide tailored solutions for companies in every sector. We act as a trusted partner for both employers and candidates, sharing our knowledge and guiding them through every stage of the talent journey. We connect exceptional people with the right opportunities and help organisations build successful teams.
Discover our latest job openings: https://en.antal.pl/candidatesFollow us on LinkedIn: https://www.linkedin.com/company/antalpoland
FullStack Engineer (API Engineer)
FullStack Engineer (API Engineer)