Senior Backend Developer
Remote officeremotesenior$37K – $46K
via Personio
About this role
We’re hiring a hands-on Backend Developer to build and ship production serverless services for a fintech platform. Tech stack Languages: TypeScript, Node.js (18–22) AWS: Lambda, DynamoDB, S3, SQS, EventBridge, Step Functions Databases: DynamoDB, PostgreSQL Frameworks / middleware: Serverless Framework, Middy Libraries: Zod (schemas/validation), Winston (logging), AWS X-Ray (tracing), Luxon (dates) Testing: Mocha, Sinon Tooling: ESLint, Prettier, Terraform, GitHub Actions Your role at xpate: Build and evolve Lambda-first microservices that handle real money flows and integrations. Design REST APIs with type-safe schemas (Zod) and contracts that don’t rot. Model data in DynamoDB (access patterns first) and use PostgreSQL when relational fits better.…
What we'd score you on
reqspace match rubricFive dimensions, recruiter-grade. Upload your resume and we'll generate a written explanation of where you fit and where the gaps are.
1
Skills match
For this role: typescript, node.js, rest, postgresql, dynamodb…
2
Level fit
This role is senior-level. We check your trajectory against it.
3
Domain experience
Your work in the role's domain matters more than your years total. We weight recent and direct experience.
4
Recency
A skill you used last quarter weighs more than one from five years ago. We grade on recency, not lifetime.
5
Location fit
This role is remote-eligible — we factor in your stated location and time-zone overlap.
Score yourself on this role.
Free · no card · written explanation included
Skills in this role
Pulled from the job description. These are the keywords we'll weight when scoring your fit.
typescriptnode.jsrestpostgresqldynamodbawss3lambdasqsterraformserverlessgithub actionsraygithub