Software Developer
3 days ago
Sabadell
ph3Role Overview /h3 pWe’re looking to bring a Software Developer (Electronic Invoicing) to join a small, technically focused team building and maintaining a B2B electronic invoicing platform. We work with international standards and integrate with national tax systems worldwide. In this role, you’ll take end-to-end ownership of backend systems — from design and implementation to production operations. /p h3About B2Brouter /h3 pB2Brouter is a leading European provider of electronic document exchange solutions, specializing in e-invoicing, e-procurement, and B2B data integration. We help companies automate, secure, and optimize their electronic transactions through reliable, scalable, and compliant digital platforms. /p h3Key Responsibilities /h3 ul liDesign, build, and maintain REST APIs for invoice processing, document exchange, and third-party integrations. /li liDevelop and manage asynchronous processing pipelines using background jobs and queue systems. /li liBuild and maintain integrations with external platforms, including government tax authorities and document exchange networks. /li liOptimize database queries, ensure data consistency, and manage concurrency in high-throughput environments. /li liParticipate in code reviews, technical discussions, and contribute to backend architecture decisions. /li liSupport production operations, including incident response, monitoring, and troubleshooting. /li liWrite and maintain technical documentation (systems, APIs, integration specs, and operational runbooks). /li /ul h3Required Skills Qualifications /h3 ul li4+ years of experience developing with Ruby on Rails in production environments. /li liStrong experience designing and maintaining RESTful APIs. /li liHands‑on experience with background job/queue systems and asynchronous workflows. /li liSolid SQL knowledge and experience in database performance tuning optimization. /li liComfortable working with XML-based formats and transformations (e.g., XML, XSLT) as well as JSON. /li liProven ability to work with third‑party integrations and external dependencies. /li liEnglish proficiency, as technical documentation, standards, and specifications are primarily in English. /li liFamiliarity with modern development workflows: Git and CI/CD. /li /ul h3Valuable / Nice‑to‑Have Skills /h3 ul liKnowledge of Redis and caching strategies. /li liExperience with observability tools: logging, monitoring, metrics, alerting. /li liUnderstanding of security best practices for APIs (auth, data protection, auditability). /li liExperience working in high‑availability / high‑throughput backend environments. /li liExperience in electronic invoicing standards and structured formats (e.g., UBL, CII, Factur‑X/ZUGFeRD, etc.). /li liExperience integrating with government tax authority systems (clearance/reporting models). /li /ul h3What We Offer /h3 ul liOpportunity to work in a fast‑growing international SaaS company, building a product used by businesses across multiple markets. /li liExposure to European and global digital transformation projects, working with international e‑invoicing standards and integrations with tax authorities. /li liA collaborative, innovative, and supportive team culture, with strong technical ownership and knowledge sharing. /li /ul pB2Brouter simplifies electronic invoicing and document exchange for businesses of all sizes. Our cloud‑based platform helps companies connect with public administrations and private companies ensuring compliance and saving time through fully digital and secure processes. /p /p #J-18808-Ljbffr