Senior Backend Engineer

Justera Group; Solna kommun; Hybrid; SEK 600,000 - 800,000; Full time

Benefits offered by this job

Dynamic workplace

25 days of annual leave

3,500 SEK wellness allowance

Job summary

Justera Group, a leading IT consulting firm in Sweden, is looking for a Senior Backend Engineer for a large-scale digital platform. You'll design and develop scalable backend services while ensuring integration across systems.

The role requires expertise in Node.js, Java, C#, and API design. Enjoy a competitive compensation package and a supportive culture that promotes learning and professional growth.

Qualifications

• Experience in backend development with key technologies.
• Strong understanding of API design and integration.
• Proficient in database management and cloud infrastructure.

Responsibilities

• Design and develop scalable backend services.
• Maintain integrations across multiple systems.
• Develop RESTful and GraphQL APIs with documentation.

Skills

Node.js

Java

C#

REST

GraphQL

OpenAPI

SQL

JWT

Azure

Terraform

Docker

Tools

CI/CD pipelines

Contentful

Job description

About Justera Group Justera Group AB is a leading Swedish IT consulting firm with great experience specializing in building high-performing technology teams and delivering end-to-end IT solutions. Led by dynamic female executives, Justera Group focuses on helping businesses harness the power of digital technologies to continuously evolve in today’s rapidly changing economy. The company has deep expertise in IT consultancy, software development, and recruitment services, providing clients with purpose-driven, well-trained consultants who consistently deliver efficient and effective results. Justera Group manages the entire talent lifecycle, from hiring to ongoing management, ensuring the right fit for each project on time and within budget. With their strong commitment to quality, collaboration, and client success, Justera Group is a trusted partner for technology innovation across Sweden.

About the Role:

We are seeking a Senior Backend Engineer to join a large-scale digital platform initiative focused on building and evolving enterprise-grade planning and collaboration tools. The platform enables users across an organization to plan, visualize, and optimize complex environments and workflows through connected systems, data-driven insights, and modern digital interfaces. This role sits within a cross-functional product and engineering environment where scalability, integration, and clean architecture are key priorities.

Key Responsibilities:

• Design and develop scalable backend services and API-driven solutions
• Build and maintain integrations across multiple internal systems and data sources
• Develop RESTful and GraphQL APIs with clear documentation (OpenAPI/Swagger)
• Contribute to headless CMS-based architectures (e.g., Contentful or similar)
• Ensure secure, reliable, and well-structured data flows between services
• Implement authentication, authorization, and role-based access control (RBAC)
• Support CI/CD pipelines and infrastructure automation
• Collaborate with frontend, data, and platform teams to deliver end-to-end solutions
• Follow best practices in security, accessibility, and data privacy

Requirements:

• Backend development: Node.js / Java / C#
• API design: REST, GraphQL, OpenAPI (Swagger)
• Database: SQL (PostgreSQL or similar)
• Authentication: JWT, JWKS, SSO, RBAC workflows
• Cloud & infrastructure: Azure (Container Apps, Blob Storage, Managed Identity), Terraform, Bicep
• DevOps: Git, CI/CD pipelines, Docker, container-based deployments
• Headless CMS experience (e.g., Contentful)
• Schema validation (e.g., Zod or similar)
• Strong understanding of secure and scalable backend architecture
• Nice to Have:
  • Python / Flask
  • .NET / C# (integration or backend services)
  • Java Spring Boot
  • Event streaming: Kafka
  • Search technologies: OpenSearch
  • Observability tools: OpenTelemetry, Splunk
  • Multi-cloud experience (AWS, Cloudflare Workers, S3)
  • AI integrations (OpenAI, Anthropic, MCP SDKs)
  • Experience with automation or visualization platforms

What We Offer:

• A dynamic and innovative workplace, driving advancements in cutting-edge robotic technologies
• The opportunity to collaborate with talented cross-functional teams on meaningful and impactful projects
• Competitive compensation and a comprehensive benefits package
• A supportive culture that fosters continuous learning, growth, and professional development
• Flexible hybrid working model for an optimal work-life balance
• 25 days of annual leave to recharge and relax
• An annual wellness allowance of 3,500 SEK to support your health and wellbeing