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Senior Java Engineer

at Kin + Carta Europe

Location: Veliko Tarnovo

Department: Software Engineering: Web

About Kin + Carta

Want to help build a world that works better for everyone? Kin + Carta is a global digital transformation consultancy that makes a difference to the billions who now work, play, shop, communicate and share online.

Join a global team of curious and diverse minds in connecting people, data and technology to produce amazing experiences for some of the world’s most influential companies. Become a maker, builder or creator as we explore the possibilities of sustainable digital technology, helping clients to rapidly innovate, modernize their systems, enable their teams, and optimize for continued growth. 

We focus on tech but we’re a proudly inclusive business with trust and human connection at its heart. People, the planet, and profit matter equally to us which is why we’re a certified B Corporation in the United States and Europe. 

The role in a nutshell:

As a Senior Java Engineer, you'll play a pivotal role in every project you engage with. Your expertise will serve as the backbone to guide and support your project team in various capacities.  Sharing your enthusiasm and experience, you'll empower your colleagues, encouraging them to embrace new challenges and excel. Your success will be largely based on the success of those you mentor and guide.

At Kin + Carta, you'll have the chance to emerge as a standout expert in Java development. Collaborating with the team, you'll actively contribute to refining our product proposition for new clients and grow our in-house team of engineering experts.

What you can expect

  • Work on custom projects for clients, sometimes very closely with their team
  • Keep a healthy communication with your project manager and client
  • Take active part in all project stages – analysis, estimation, documentation, coding, bug fixing and support
  • Develop our own products
  • Learn from your colleagues and teach them what you know 

The type of person we’d like to meet:

  • 5+ years commercial software experience
  • Excellent understanding of Java 8+
  • Excellent knowledge of OOP, data structures and algorithms
  • Understanding of Big O notation and performance analysis
  • Excellent knowledge with Spring and Spring Boot
  • Experience with git or other version control
  • Excellent knowledge and understanding of software architectural and design patterns and experience as software architect
  • Experience with distributed architecture principles and solutions for performance, scale, and reliability
  • Experience building and packaging components/services, cloud/on-premise deployments, CI/CD pipelines, operational monitoring and observability, experience working with Docker and orchestration of containers
  • Experience with databases (relational and non-relational), database architecture and distributed transaction management; fluent in SQL
  • Solid understanding of network and content delivery services (VPC services, Gateway services, NLB, ALB)
  • Experience with distributed system security
  • Experience with writing/reviewing technical design documents, choosing right technology stack
  • Experience working in Agile/Scrum
  • Good communication and analytical skills

Nice to have:

  • Experience building RESTful APIs
  • Experience handling large data sets
  • Integration experience with third party API’s
  • Performance analysis of JVM technology
  • Experience working with Kubernetes
  • Experience with Spring Cloud or Quarkus
  • Experience with Maven/Gradle/Ant
  • Experience with developing batch/streaming data processing pipelines
  • Advanced knowledge in databases such as partitioning and indexing
  • Knowledge in Elastic services and tools is a plus
  • Knowledge in Salesforce is a plus
  • Experience with at least one of the following databases: MySQL, MariaDB, PostgreSQL
  • Experience with at least one of the following databases: MongoDB, DynamoDB, Redshift, Cassandra or other


What we offer

  • This is a full-time position that comes with an excellent salary and an opportunity to grow within the company based on demonstrated merit;
  • Flexible working hours;
  • Additional health insurance that guarantees fast access to contracted health services;
  • Our training policy for technical and other skills-related events, courses and certifications;
  • Hybrid working policy;
  • Our performance evaluation policy that paves the roadmap of personal career development;
  • Co-subsidized transportation, parking & sports activities coverage/ Multisport cards;
  • Refreshments and fruits at our offices;
  • Self-care program that provides individual and team psychological consultations;
  • The annual team building that gathers together our offices;
  • Mini-team buildings and other local company events that run throughout the year.

Apply for this role

Whoever you are, wherever you’re from and whoever you love, you’ll find an open door at Kin + Carta. It’s yours to walk through if you’re passionate about building a better world for everyone, and you’re keen to be part of a diverse and inclusive culture that plays to people’s strengths and thrives on togetherness.