Role Description We are expanding our engineering capabilities and looking for a Senior Backend Engineer to join our growing team. In this role, you will play a key part in designing and building scalable, high-performance backend systems, contributing to the development of robust services that support a range of internal and customer-facing products. You will work in a fast-paced environment where system performance, scalability, and reliability are critical. Location: Remote from Poland (Contractor arrangement) or Cyprus Onsite (Relocation support provided) Reporting to: Group CTO What you will do: - Design and implement scalable Python microservices in a distributed architecture. - Build and optimize high-performance backend systems, ensuring scalability and reliability under high load. - Integrate and manage third-party APIs and external services. - Collaborate with cross-functional teams to define technical solutions and system design approaches. - Work with AWS services (e.g. Lambda, cloud infrastructure) to architect and deploy solutions. - Improve and maintain CI/CD pipelines and deployment processes in collaboration with DevOps. - Lead and contribute to code reviews, ensuring high engineering standards. - Identify system bottlenecks and drive performance and scalability improvements. - Troubleshoot complex production issues in distributed systems. - Contribute to technical discussions and guide best practices within the team. Qualifications - 5+ years of backend engineering experience with strong Python expertise. - Proven experience building and scaling microservices architectures. - Strong knowledge of FastAPI or Django. - Experience working with AWS (including services such as Lambda). - Strong experience with Docker and containerization. - Experience with CI/CD pipelines (GitLab preferred). - Strong understanding of distributed systems and high-load environments. - Experience designing and optimizing systems for performance and scalability. - Solid experience integrating third-party APIs. - Strong problem-solving and analytical skills. - Excellent communication skills and ability to work in a remote-first environment. - Experience in fintech, payments, or financial platforms. - Experience with high-throughput systems (e.g. trading, payments, real-time processing). - Familiarity with event-driven architecture (Kafka, messaging systems). - Experience mentoring or supporting other engineers. Hiring Process - Step 1 – Thinking in Action (40 minutes): Your first conversation will be with our Talent Acquisition team. We'll explore your background, career journey, motivations, and overall fit for the role. As part of this discussion, you'll also complete a short technical screening that will be reviewed by our engineering team. - Step 2 – Build in Production (60–90 minutes): Meet with the Team Lead and technical experts for a practical assessment. Depending on the role, this may involve a live coding exercise or a real-world scenario designed to evaluate your technical skills, problem-solving approach, and ability to work through challenges similar to those faced by our teams. - Step 3 – Final Interview (45 minutes): The final stage is a group interview with senior members of our Technology squad, which may include the CTO, CPO, and Team Lead. Together, we'll discuss team fit, collaboration style, expectations from both sides, and any remaining questions about the role, team, or technology domain. Benefits - Grow with Us: Annual Learning Budget for professional development (eligible after probation)—because your growth is our growth. - Celebrate Together: We bring colleagues from all offices together for unforgettable company celebrations. - Global Collaboration & Events: Opportunities to participate in international company events and initiatives, connecting with colleagues from all regions and contributing to a truly global community. This is a fully remote role for candidates based in Poland. If you are open to a relocation to Cyprus, your assigned Talent Acquisition Partner will walk you through the specific working arrangements and any applicable conditions during the process. Let's embark on a journey to redefine the landscape of payments together. We're not just offering a role; we're inviting you to be a part of something bigger. Join our team, and let's innovate, disrupt, and lead the future of payments. Together, we can make an impact that resonates. Welcome to the team! Please review our Privacy Policy to understand how we process your personal data during the recruitment process: https://payabl.com/privacy-policy

• Own the infrastructure that keeps fleets running • Design, build, and maintain backend services for real-time vehicle tracking, route optimization, billing, and dispatch • Own the reliability and observability of our platform

• Advise on SAP system architecture in the context of the existing SAP system landscape • Evaluate solution concepts for SAP-related applications and integration initiatives • Prepare technical-business approval recommendations for solution concepts • Review solution concepts for compliance with architectural guidelines for SAP-O • Create and maintain architectural guidelines for SAP-O in the context of Onapsis • Create and maintain architectural guidelines for SAP-O in the context of Clean Core • Create and maintain architectural guidelines for SAP-O in the context of programming guidelines • Create and maintain architectural guidelines for SAP-O in the context of archiving • Create and maintain architectural guidelines for SAP-O in the context of data deletion • Assess SAP HANA technologies with respect to architectural conformity and integration capability • Assess C# developments for architectural conformity and integration into the existing system landscape • Assess Oracle-based components with respect to architectural conformity and integration capability • Evaluate SaaS solutions for architectural conformity, interface compatibility and integration into the existing system landscape • Revise and maintain application information in LeanIX • Produce architecture-related documentation in Confluence • Record and maintain architecture-relevant tasks, assessments and status information in Jira • Prepare decision papers on architectural variants for SAP-related integration scenarios

Role Description Ciklum is looking for an AI Back End Software Engineer to join our team full-time in Ukraine. As an AI Back End Software Engineer, become a part of a cross-functional development team engineering experiences of tomorrow. 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. - Own the software products from conception to operation, taking over full responsibility for its applications, from design to operation, as part of a cross-functional team. - Tackle the whole software development cycle of designing, building, testing and deploying applications, with a broad toolkit of technologies and methods and a strong DevOps/DevSecOps mindset. - Architect and deliver advanced AI-powered Search solutions using AWS Bedrock, including orchestration of multimodal foundation models, custom model fine-tuning, vector-based retrieval augmentation, and latency-optimized inference paths. - Design microservices that consume Bedrock-hosted models securely and cost-efficiently, integrate them into our event-driven AWS architecture, and ensure observability, governance, and continuous delivery via GitLab CI and Terraform. - Work in an agile environment and keep up with the ever-evolving technical landscape as a lifelong learner. - Support your team in delivering the best answers to our customers' needs. - Together with the domains Practice teams as well as the Group Enabler teams, research, evaluate, test new approaches, processes, and tools and help teams to use them effectively. - Drive for technical excellence, ownership, and self-organisation at team and personal level. Qualifications - Proficiency in Java or Kotlin and their respective ecosystems. - Experience in Micronaut or SpringBoot framework, Terraform. - Experience building AI/LLM features, Hands-on with AWS Bedrock, and configuring Guardrails. - Understanding of machine learning/AI frameworks and libraries. - Proficiency in data preprocessing and feature and/or prompt engineering. - Experience with Open Search. - Experience with implementing resource-oriented APIs (REST, GraphQL) on client and server side. - Expertise in cloud design, infrastructure as code, tools, and services on AWS. - Experience with data persistence (SQL/noSQL). - Creating Microservices. - Good experience with CI/CD, preferably Gitlab CI. - Ability to design, build, test, and deploy applications. - Customer-centric, passionate about delivering great digital products and services. - Demonstrating true software craftsmanship mindset. - Passionate about continuous improvement, collaboration, and great teams. - Strong problem-solving skills coupled with good communication skills. - Understanding of social and ethical implications of software engineering. - Open-minded, inquisitive, life-long learner. - Comfortable with ambiguity, highly autonomous. Benefits - Strong community: Work alongside top professionals in a friendly, open-door environment. - Growth focus: Take on large-scale projects with a global impact and expand your expertise. - Tailored learning: Boost your skills with internal events (meetups, conferences, workshops), Udemy access, language courses, and company-paid certifications. - Endless opportunities: Explore diverse domains through internal mobility, finding the best fit to gain hands-on experience with cutting-edge technologies. - Flexibility: Enjoy radical flexibility – work remotely or from an office, your choice. - Care: We’ve got you covered with company-paid medical insurance, mental health support, and financial & legal consultations. Company Description At Ciklum, we are always exploring innovations, empowering each other to achieve more, and engineering solutions that matter. With us, you’ll work with cutting-edge technologies, contribute to impactful projects, and be part of a One Team culture that values collaboration and progress. - As one of Ukraine’s largest IT companies and a top employer recognized by Forbes, we’ve spent over 20 years delivering meaningful tech solutions. - We proudly support diverse talent and military veterans, recognizing their unique skills and perspectives they bring to shaping the future.