Castillians logo
Castillians

The world's trusted engineering network

Senior BackEnd Engineer, Kentico

Backend EngineerSoftware EngineerContractRemoteSeniorTeam 51-200Since 2006H1B No SponsorCompany SiteLinkedIn

Location

Ireland

Posted

4 days ago

Salary

0

Seniority

Senior

Bachelor Degree5 yrs expEnglishASP.NETDockerJavaScriptSQL.NET

Job Description

Senior BackEnd Engineer, Kentico

Castillians

• Develop and maintain web applications and CMS solutions using Kentico Xperience and ASP.NET. • Build and extend Kentico features such as modules, page templates, widgets, and components. • Implement integrations with external systems, APIs, and services. • Add new features and improve existing applications. • Troubleshoot and resolve production issues. • Conduct code reviews and ensure code quality standards are followed. • Support system design and contribute to scalable backend architecture. • Collaborate with stakeholders to translate requirements into technical solutions. • Improve application performance, stability, and maintainability. • Maintain technical documentation. • Support ongoing maintenance of existing Kentico applications. • Follow secure coding practices and development standards. • Work within CI/CD and containerized (Docker) environments when applicable.

Job Requirements

  • Bachelor’s degree in Computer Science or equivalent experience.
  • 5+ years of experience in backend development.
  • Strong experience with C#, ASP.NET MVC, and .NET 5+ / .NET 6+.
  • Hands-on experience with Kentico Xperience.
  • Good understanding of web technologies, APIs, and system integrations.
  • Experience with SQL Server.
  • Knowledge of SOLID principles and secure coding practices (OWASP).
  • Familiarity with Git.
  • Working knowledge of HTML5, CSS, JavaScript.
  • Experience with Docker is a plus.
  • Good English communication skills.
  • Strong problem-solving ability and ability to work remotely.

Benefits

  • Clear scope with no ambiguity over deliverables.
  • Opportunity for repeat engagements based on performance.

Related Job Pages

More Backend Engineer Jobs

Managed Services AI Platform Architect

Thinkahead Consultant Psychologist Pty Ltd

We get to the heart of the matter.....real people......real solutions

Full TimeRemoteTeam 1-10H1B No Sponsor

• Design, build, and evolve the Managed Services AI platform — delivering production-grade AI capabilities integrated directly into service delivery workflows • Lead the development of agentic AI solutions, including incident triage and classification, automated remediation and resolution, knowledge retrieval and summarization, and workflow orchestration and escalation • Drive use cases from concept through prototype to production, ensuring real operational adoption • Architect and integrate AI capabilities across core platforms including ITSM (ServiceNow), monitoring and observability tools, automation frameworks and runbooks, and knowledge management systems • Embed AI directly into day-to-day operational workflows — not standalone solutions — designed for multi-tenant, scalable managed services environments • Drive measurable improvements across Managed Services operations: incident deflection rates, MTTR reduction, automation and self-healing coverage, ticket volume reduction, analyst and engineer productivity, and service quality and client experience

United States
$225K - $250K / year
AI2CYBER logo

Backend Developer

AI2CYBER

Pioneering the Future of Cyber Defense with Cutting-Edge AI Solutions

Full TimeRemoteTeam 11-50Since 2023H1B No Sponsor

• Design, develop, and maintain backend services using Python. • Build clean, stable, and well-documented REST APIs. • Develop data ingestion, normalization, enrichment, and processing workflows. • Work with structured and unstructured technical datasets from internal and external sources. • Design and maintain database schemas, indexes, queries, and backend data models. • Implement background workers, scheduled tasks, automation pipelines, and long-running processing jobs. • Work with PostgreSQL, Redis, object storage, and other backend infrastructure components. • Implement authentication, authorization, API access controls, rate limiting, and audit-friendly backend logic. • Build backend support for analytics, reporting, monitoring, workflow automation, and user-facing platform features. • Collaborate closely with frontend developers to define API contracts and deliver reliable data to the user interface. • Improve backend performance, error handling, logging, and observability. • Participate in code reviews, testing, debugging, deployment preparation, and technical documentation. • Handle proprietary technical information with discretion and professional confidentiality.

Greece
Mayflower logo

Kotlin/Java Developer, Merchant Response

Mayflower

FunTech pioneering the live entertainment industry at massive scale — top-50 global site, 200K RPS, millions of users

Full TimeRemoteTeam 501-1,000H1B Sponsor

• Developing new payment features and services; • Processing and resolving requests from technical support and users as part of daily duties; • Designing and implementing APIs (external and internal); • Creating and maintaining processes in Camunda; • Participating in the design and development of high-load system architectures; • Supporting and enhancing existing solutions and services; • Writing high-quality, test-covered code (unit tests, integration tests); • Conducting code reviews; • Optimizing system performance and database queries; • Analyzing and resolving production incidents and bugs; • Analyzing documentation from external providers, conducting quick checks, and defining epics and tasks based on Proof of Concept; • Collaborating with the QA team to ensure the high quality of the delivered product; • Maintaining technical documentation and writing technical specifications; • Assisting in onboarding new developers and ensuring code quality; • Definition and formation of technical epics — analyzing existing solutions, identifying opportunities to improve system architecture, performance, and reliability, preparing improvement proposals, and aligning them with the team lead and architect; • Participation in the creation of business epics — analyzing requirements, assessing feasibility, and proposing alternative or optimized solutions based on technical expertise; collaborating with analysts and product managers to determine the best implementation approach; • Preparing tasks based on approved epics, ensuring proper detailing and alignment with architectural and business requirements; • Estimating task completion timelines, participating in sprint planning, and providing accurate technical time and effort estimates.

United States
Runtalent logo

Senior Python Developer

Runtalent

Digitais. Humanos. Transformadores.

Full TimeRemoteTeam 501-1,000Since 2003H1B No Sponsor

• Define and evolve integration architectures for enterprise applications and digital platforms. • Design solutions based on APIs, microservices and event-driven architectures. • Technically lead integration initiatives between corporate systems and data platforms. • Develop and support the implementation of backend applications using Python. • Design, build and maintain REST APIs and event-driven integrations. • Architect integration solutions with platforms such as SAP, Salesforce, Kafka and other corporate systems. • Define development, observability, security and governance standards for integrations. • Support the construction of data pipelines and large-scale integration processes. • Ensure adherence to architecture best practices, code quality and performance. • Collaborate with enterprise architects, technical leads, data teams and development teams. • Perform impact analyses, define technology standards and continuously evolve the architecture.

Brazil