or apply directly on OpenFX's site. We never take the application ourselves.
Is this posting real?
- This role has been open
- 22 days OpenFX's roles stay open a median of 45 days
- Reposted
- No
- Salary listed
- No 0% of OpenFX's roles list one
- Ghost-job risk at OpenFX
- high 24 stale, 1 reposted of 43 open
- Hiring momentum
- 54 roles opened in the last 90 days ↑ up vs. the prior 90 days
- Last confirmed on the employer's board
- 2026-09-17
Measured from postings appearing on and disappearing from OpenFX's own greenhouse board since 2026-08-03. Full hiring picture for OpenFX.
About this role
The Senior Backend Engineer will be responsible for managing backend systems that facilitate payment flows for clients, ensuring accurate tracking and reconciliation of transactions. This role involves building and extending partner integrations, designing systems for reliability under failure, and collaborating closely with product and operations teams to deliver features end-to-end. The engineer will also mentor junior team members and participate in incident response, emphasizing the urgency of maintaining accurate money states.
- benefits
- 3/5
- freshness
- 4/5
- career value
- 5/5
- role clarity
- 5/5
- pay transparency
- 0/5
Scored from the posting itself — how clearly the role is described, how much it says about pay and benefits, and how recently it was listed. Not a judgement of OpenFX as an employer.
What you need
- 5–7 years of experience building production backend systems, with a focus on server-side and distributed systems work
- A payments or fintech background, with experience in a payments company, gateway, PSP, or bank-facing fintech
- Deep expertise in TypeScript and Node.js
- Strong command of designing and operating REST APIs on non-trivial systems
- Strong data modelling and query skills on PostgreSQL
- Sound instincts for correctness under failure, including idempotency and retries
Nice to have
- Experience with cross-border payments, FX, or multi-currency systems
- Experience building or operating against a double-entry ledger or reconciliation systems at scale
- Experience with regulated controls such as safeguarding and transaction monitoring
- Experience with durable workflow or orchestration engines
- Experience with observability tooling on high-stakes flows
What you get
- Competitive salary and benefits package
- Equity in a rapidly growing company
- Opportunity to work in a fast-paced startup at the forefront of fintech innovation
- Opportunity to make a significant impact on global financial infrastructure
- Collaborative work culture with emphasis on personal and professional growth
Worth weighing
- No specific salary listed
- The role requires a strong focus on backend systems with some frontend responsibilities
- The position involves high stakes and urgency related to financial transactions
- The company emphasizes a diverse and inclusive workplace, which may appeal to candidates valuing such environments
Summarised from OpenFX's posting. Read the full original.
Listed by OpenFX on their greenhouse job board, last confirmed open on 2026-09-17. PitchMeAI is not the employer.
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