Position: Expert Java Developer at Ciklum Poland
Company: Ciklum
Experience required: 5y
English level: upper

You will join a highly motivated team and will be working on a modern solution for our existing client. We are looking for technology experts who want to make an impact on new business by applying best practices and taking ownership.

Project description:

CellPoint Digital, a leading provider of omnichannel payment and commerce solutions to global clients, is experiencing tremendous growth and seeking an experienced Senior Software Engineers for augmenting our payment integration team to achieve our mission: to help you simplify, unify, accelerate and boost your digital channels, whatever travel segment you are in.
Founded in 2007 in Copenhagen, Denmark, CellPoint Digital embraces the Scandinavian values of minimalism, simplicity and quality. As a member of our payment integration team, you will work closely with architects in Copenhagen and software engineers in Pune, India.

Responsibilities
Lead development team
Lead and improve the decision-making process in design solution architecture, solution development, architecture and code review
Back-end development to meet customer’s business needs and implement components according to modern software development environment (cloud-based platforms, microservice architecture, etc.)
Develop and review feature design documents and provide inputs/update to specifications for the solution
Design and implement a set of various types of tests (unit, integration, functional, etc)
Proactive position in architecture preparation, solution development, processes improvements
Working in an international distributed team in an Agile environment
Communicate with PMs, engineers, Architects, QA and other colleagues and stakeholders
Delivering the product roadmap and plannings
To use high coding standards, software best practices and write highly testable, automatable and performant code over the whole SDLC

Requirements
Experience in software development for more than 7 years
Excellent knowledge in Computer Science, Computing Theory:
Paradigm & Principles (OOP, SOLID, DDD, TDD, BDD)
Database theory (RDBMS, NoSQL)
Code testing practices
Algorithms
Data structures
Architectural, Enterprise and Design Patterns
Deployment patterns
Security patterns, Reverse engineering resistance, Common attacks types (OWASP)
Understanding of network interactions:
protocols
conventions (e.g. REST, RPC)
authentication and authorization flows
standards and practices (e.g. oAuth, JWT)
Excellent knowledge and experience in Java (more than 5 years)
A deep understanding of Java backend development and web service integration based on various technologies that utilize the HTTP protocol including REST, XML, JSON, and SOAP
Practical commercial experience with:
Payments
REST API development
Web application frameworks (e.g. Spring Boot Framework) (more than 4 years)
Testing frameworks (e.g.e.g. JUnit, PowerMock, WiresMock) (more than 4 years)
ORM (e.g. Hibernate) (more than 2 years)
RDBMS (e.g MySQL/MariaDB, PostgreSQL, Oracle) (more than 4 years)
NoSQL (e.g. MongoDB, ElasticSearch, CouchDB)
Search Engines (e.g. ElasticSearch, Azure Search, Apache Solr)
Key-value storages (e.g. Redis, Memcached)
Messaging systems (e.g. RabbitMQ, Apache Kafka, Active MQ, AWS SQS, Azure Service Bus, Google Pub/Sub)
Web Servers
Version control systems (GIT)
Cloud solutions (e.g. AWS, Google Cloud Platform, Microsoft Azure)
Integration with 3rd party solutions
Docker
Continuous Integration tools (e.g. Gitlab Pipeline, Jenkins, TeamCity, Bamboo)
Builders
Experience with:
Leading Team
Troubleshooting, profiling and debugging applications
Creation software architecture and design of complex applications, platforms, microservices solutions
Agile software processes and technologies
Code Review process
Refactoring process
Fluent or Upper-Intermediate English is a must
Desirable
Certifications on:
Java
Spring Frameworks
Cloud providers
Kubernetes
Kafka
Delivery processes (SAFe, Agile, etc)
Experience with Leading and Supporting medium to large size solution delivery projects
Understanding of orchestration and containerisation (e.g. Kubernetes, Swarm)
Practical commercial experience with:
Serverless architecture
Provisioning tools (e.g. Terraform, Ansible)
Quality tools (e.g. SonarQube)
You can:

Perform a broad range of complex technical or professional activities, in a variety of contexts. Investigate, define and resolve complex issues
Able to work in distributed cross-functional teams effectively
Influence customers and team members on the project level
May supervise others or make decisions which impact the work assigned to individuals or phases of projects
Plan, schedule and monitor own work (and of others where applicable) competently
Have learning agility (readiness for challenge and being open to change)

What's in it for you
Career growth opportunities
Realization of your innovative ideas in building new Ciklum Solutions and Services
Friendly collaborative teams and enjoyable working environment
Professional skills development and training programs
Variety of knowledge sharing, training and self-development opportunities
State of the art, cool, centrally located offices with warm atmosphere which creates really good working conditions Gdansk or Wroclaw
Work from home/100% remote
Private medical healthcare fully covered by Ciklum with a possibility to cover family members
Fully covered life insurance – 100 000 PLN
Fully covered drug insurance – up to 2 000 PLN/year
Multisport card 100% covered by Ciklum – Benefit Systems, Plus package
Parking space 50% covered by Ciklum