Senior Backend Engineer – Platform & Integrations

🔥 1 minute ago

🇩🇪 Germany – Remote

⏰ Full Time

🟠 Senior

🔙 Backend Engineer

👻 Ghost score 15%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

Apply Now

Find Similar Remote Jobs

Set Up Email Alert For New Jobs

📊 Check your resume score for this job

Improve your chances of getting an interview by checking your resume score before you apply.

Upload Resume

SaltRock GmbH

WebsiteLinkedInAll Job Openings

2 - 10 employees

Founded 2024

🔒 Cybersecurity

🤖 Artificial Intelligence

🏛️ Government

Cybersecurity • Artificial Intelligence • Government

SaltRock GmbH is a Cologne-based technology company focused on building secure, sovereign digital products and services for public institutions, defence and industrial clients. They provide cloud computing, software engineering, cybersecurity and AI solutions, and offer European-focused products such as Evida (an evidence/evidence-cloud protection solution) and SecureID (a PKI wallet for digital identities). SaltRock emphasizes digital sovereignty, secure architectures, and long-term operational resilience for sensitive and regulated sectors (public sector, police & justice, industry, and defence).

📋 Description

• Take technical ownership of the continued development of the backend and the product’s technical direction • Make architectural decisions and ensure stable operations • Develop a backend that scales with a growing number of customers, users, and devices • Implement efficient database access, horizontal scaling, caching, and relevant load tests • Develop retry mechanisms with exponential backoff and jitter, idempotency, timeouts, circuit breakers, and rate limiting • Ensure fast response times and expand logging, metrics, and tracing • Replace legacy data access patterns with clear REST endpoints and move business logic into the backend • Help develop the integration platform for OpenID Connect, SAML, and SCIM • Review code and AI agent outputs • Support frontend and mobile teams with API design • Set the backend direction and provide technical leadership

🎯 Requirements

• Several years of professional experience in backend development with TypeScript/Node.js or Python for production SaaS products • Strong experience with API design (REST, OpenAPI) and relational databases, ideally PostgreSQL • Experience with systems operating under load, including retries, idempotency, timeouts, and backpressure • Experience taking technical ownership of a product or system • Proficient use of AI tools in development; able to understand, review, and take responsibility for generated code • Willingness to learn new technologies • Fluency in written and spoken German and English • Nice to have: Fastify, Drizzle, Zod, and Python/FastAPI • Nice to have: Circuit breakers, bulkheads, queues, and the Outbox pattern • Nice to have: Multi-tenancy and Row-Level Security • Nice to have: OIDC, OAuth 2.0, SAML, or SCIM • Nice to have: Kubernetes, Argo CD, observability, and load testing • Nice to have: Anonymized product analytics and A/B testing • Nice to have: Basic knowledge of PKI and X.509

🏖️ Benefits

• Latest MacBooks or Windows Surfaces, also available for personal use • Company credit card including expense management software • Edenred City Card with €50 per month • 30 days of annual leave • Trust-based working hours • Remote work options • Modern offices in Münster and Cologne • Professional certifications • Leadership and soft-skills training • Access to LinkedIn Learning and Udemy • Meaningful work on projects with social impact • High degree of ownership and room to shape your work • Interdisciplinary team • Technological excellence and an engineering-focused culture • Involvement in strategic decisions and business development • Short decision-making paths without corporate bureaucracy • Opportunity to help shape customer relationships, business areas, and partnerships