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INDEPENDENT EMPLOYER RESEARCH

Fourthline careers

Bank-grade KYC and event-driven backend engineering

The Barcelona senior backend role names .NET, PostgreSQL and event-store tooling. It requires three office days weekly. Public sources disagree on whether the announced Veridas merger has completed.

What this snapshot covers

Employer-board counts are unavailable or the last read failed. Check the official careers page; missing counts do not mean no vacancies.

1 dated employer role briefs are included below. They preserve disclosed currency, period and country restrictions without changing board totals.

Missing compensation is unknown, not zero. An equity mention does not establish an allocation or value.

Read the source and classification method

Read the terms behind the title

These observations describe inspected postings, not every job at Fourthline.

Hiring evidence

The Barcelona senior backend role names .NET, PostgreSQL and event-store tooling. It requires three office days weekly. Public sources disagree on whether the announced Veridas merger has completed.

Ownership and limits

July announcement says signed agreement with closing conditions; current portfolio says merged. Independent completion date not established. Do not label standalone or completed merger without clarification.

Employer source: Senior Backend Software Engineer · checked 2026-10-21

Selected roles to compare

1 of 1 leads were matched to a canonical employer posting. Each card shows its own check date. Publisher-only leads remain unverified. Open the employer link before applying.

Save a role to keep its source and check date in your private workspace. You can add a next action there. Saving does not submit an application.

  1. Role brief · source checked 2026-10-21. Vacancy totals come only from full-board reads.

    Senior Backend Software Engineer

    Barcelona, Spain · Two or more office days a week

    Hybrid; three office days per week

    Engagement: Advertised through employer recruitment; no B2B engagement verified.

    Pay: Numeric salary not disclosed. Equity not stated.

    Work owned: C#/.NET; Marten event stores; Wolverine; RabbitMQ; PostgreSQL.

    Required experience: Check the canonical posting for required depth and experience; technical fit is not established by this brief.

    Success measures: Performance targets were not captured. Ask the hiring team how success in this role is assessed.

    Eligibility: Barcelona, Spain. Hybrid; three office days per week. Sponsorship and personal work authorization not established.

Outreach brief

Prepare a role-specific conversation. Nothing is sent from this page.

Candidate approach

Use concrete event-sourcing and distributed-system evidence, while stating the boundary of any .NET experience. Resolve Spanish authorization and office attendance before applying.

Proof to prepare
  • An event-store or message-processing design with replay, consistency and failure handling.
  • Evidence of the required .NET stack, or an explicit experience gap.

Resolve before applying

  • What Spanish work authorization and office attendance are required?
  • Which team and reporting line apply after the Veridas transaction?
  • What are the salary and equity terms?

Employer partnership approach

Offer Fourthline's recruiting team a source-linked profile for factual correction, then an optional engineering-work Q&A. No candidate-volume, audience or employer-approval claim.

Route checked 2026-10-21. Published email addresses are not delivery-verified. Use the exact role's employer link to apply; saving a role does not submit it.

Ownership evidence and limits

private investor backed merger status unresolved. July announcement says signed agreement with closing conditions; current portfolio says merged. Independent completion date not established. Do not label standalone or completed merger without clarification.

Read ownership source