Careers in Payments, Fintech & Operations · Midcore Operations
Midcore Operations
Careers

Operators who have done the work

We hire people who have run the function they are being asked to run.

Midcore is about 52 people. Every engagement is owned by a US-based practice lead, and our delivery teams are US-based, offshore, or blended depending on what the client approves. We hire people who have run the function they are being asked to run.

Open roles
6
Across every practice
People
~52
US-led, with global delivery
Practices to join
6
Each with a named lead
Vendor quotas
0
Nobody here sells a partner product
How we work

Four things that actually hold

These are the same commitments we make to clients. They only work if they run internally too.

01

Say the hard thing

We tell clients when the problem is upstream of what we were hired for, and when an engagement should shrink. That only works if the same honesty runs internally.

02

Work in the open

We work inside the client's systems, and every number we report traces to a record they can open. No black boxes, internally or externally.

03

Own the outcome

Named leads, direct lines, and response-time commitments in writing. Accountability is not distributed until it disappears.

04

Neutral by construction

We take no referral fees, commissions, or revenue shares from any vendor. Nobody here has a quota tied to a partner's product.

What you get

The offer

No vendor quotas, no distributed accountability, and no black boxes. The same commitments we make to clients apply internally.

  • Remote-first, with a Pacific-time business core
  • A named lead and a real development path in your practice
  • Direct client exposure from your first engagement
  • No vendor quotas, ever
  • Work on payments problems at portfolio scale
  • Blended US and global teams
Open roles

6 roles open now

Every role sits inside a practice with a named lead. If nothing fits, send a general application. We read them.

Dispute SpecialistManaged Payments Operations Remote (US or blended) Full-time

Own chargeback and retrieval queues end to end for merchant and portfolio clients: evidence, reason-code-specific rebuttals, representment, and pre-arbitration. This role sits inside our Managed Payments Operations practice.

What you would do

  • Monitor dispute queues daily across client processors and gateways
  • Assemble evidence from client order, shipping, and support systems
  • Write rebuttals matched to card brand reason codes
  • Handle pre-arbitration and arbitration filings
  • Produce weekly win-rate and ratio reporting that traces to source records

What we look for

  • Hands-on chargeback experience at a merchant, ISO, PayFac, or processor
  • Working knowledge of card brand reason codes and monitoring thresholds
  • Comfort working inside client portals under scoped, logged access
  • Written clarity: the rebuttal is the product
Apply for this role
Merchant Underwriting AnalystManaged Payments Operations Remote (US or blended) Full-time

Prepare and package merchant applications so they are approved quickly and on the right terms, including complex and high-risk verticals. This role sits inside our Managed Payments Operations practice.

What you would do

  • Collect and verify documentation, and complete applications
  • Run pre-submission risk review and package the file so it tells the story
  • Manage processor submission, conditions, and decline responses
  • Track approvals through to boarding handoff

What we look for

  • Experience preparing or reviewing merchant applications
  • Familiarity with high-risk vertical requirements
  • Judgement about what an underwriter needs to see, and why
Apply for this role
Payments Solutions ConsultantPayments & Fintech Advisory Remote (US) Full-time

Run Assess engagements and partner selections: model program economics, shortlist partners, and review terms before a client signs. This role sits inside our Payments & Fintech Advisory practice.

What you would do

  • Read client records and produce the written Assess read
  • Model referral, ISO, PFaaS, BaaS, CaaS, and LaaS economics
  • Run partner shortlists, introductions, and diligence
  • Review revenue share, reserves, liability, termination, and data ownership

What we look for

  • Operating experience inside an ISO, PayFac, processor, or fintech
  • Fluency in interchange, residuals, and program economics
  • Ability to recommend against your own upsell when the numbers say so
Apply for this role
Integrations EngineerEngineering Remote (US or blended) Full-time

Build and certify integrations against processor, gateway, issuer, BaaS, and KYC APIs, with the error handling that decides whether money moves correctly. This role sits inside our Engineering practice.

What you would do

  • Design and build integrations in sandbox through to production certification
  • Build onboarding flows, portals, and dashboards on partner APIs
  • Own error handling, idempotency, reconciliation, and observability
  • Write the documentation the client's team will run from

What we look for

  • Production experience against payment or banking APIs
  • Comfort with poorly documented, frequently changing vendor interfaces
  • Modern web stack proficiency and a testing habit
Apply for this role
Cloud Reliability EngineerCloud & Infrastructure Remote (US or blended) Full-time

Run payment-grade infrastructure under managed agreements: monitoring, incident response, patching, and cost governance in clients' own accounts. This role sits inside our Cloud & Infrastructure practice.

What you would do

  • Operate 24/7 monitoring and incident response against defined SLAs
  • Build and maintain infrastructure as code, pipelines, and observability
  • Run rightsizing, purchasing, and FinOps reporting
  • Maintain runbooks that survive handover

What we look for

  • AWS, Azure, or Google Cloud production operations experience
  • Segmentation, identity, and audit-readiness fundamentals
  • On-call discipline and calm incident communication
Apply for this role
Demand Generation ManagerMarketing Remote (US) Full-time

Run search, AI search, email, and outbound programs for clients selling payments and financial products to sceptical buyers. This role sits inside our Marketing practice.

What you would do

  • Own channel strategy and monthly plans with weekly optimisation
  • Build tracking that ties spend to qualified meetings and closed accounts
  • Run GEO programs and report share of citations across AI engines
  • Kill channels that do not produce

What we look for

  • B2B demand generation experience, ideally selling to merchants or fintechs
  • Deliverability and attribution fundamentals
  • Willingness to report the number that is true rather than the one that flatters
Apply for this role
Nothing fits?

Send a general application anyway

Tell us the function you have actually run and the size of portfolio you have run it at. We read every one, and roles open across all 6 practices through the year.

Questions buyers ask

Straight answers

What candidates ask before applying, and what clients ask about how we staff.

How does an engagement start?
Every engagement opens with an Assess. We read your actual records and talk to the people doing the work today, then send back a written read of one to three pages: what is happening, what it costs or risks, which services fit, and which do not. It runs 1 to 4 weeks.
What does an engagement cost?
Every engagement is custom quoted after an Assess step. There is no rate card, no published pricing, and no standard engagement. The Assess is quoted separately and up front, and the engagement that follows is quoted against the scope you agree at the end of it.
Can we stop after the Assess?
Yes. The Assess is priced on its own and the written read is yours to keep whether or not you continue. If the problem is upstream of what we would be hired for, that goes in the read too.
How long does an engagement take?
The published timeline runs to 5 phases. Exact dates are set at the Assess step, once the scope is known, and each phase ends in a written decision rather than on a date.
Who actually does the work?
US-led, with global delivery centres. Teams are US-based, offshore, or blended; the client approves the model before work begins. A US-based practice lead owns every engagement.
Do you work inside our systems?
Yes, unless there is a written reason not to. We work in your portals, CRM, cloud accounts, and repositories under access that is scoped to the work, logged, and revocable by you at any time.
What do you need from us to start?
Read-only access or exports of the relevant records, two to four hours of your team's time, and the governing contracts and policies. Anything you share is handled under NDA.

Still not sure whether there is a seat for you is what you need?

That is what the Assess is for. Book a 30-minute call and we will tell you which service fits, whether you need one at all, and what the first engagement would cost. We will also tell you when the answer is no.

+1 (786) 619-0152
Free consultation

Hiring for your own team instead?

Our Business Operations practice supplies dedicated teams under your direction. Tell us what you are trying to staff.

  1. 01Within 1 business dayA US-based practice lead replies and books a 30 minute call.
  2. 02On the callWe map the problem, the volume, the partners, and the constraints.
  3. 03After the callYou get a written read of one to three pages, yours to keep.
  • Handled under NDA
  • Written, not a slide deck
  • No obligation to continue

No obligation. We will tell you if you do not need us.

Before you go

Take the written read with you

Every engagement opens with an Assess: a written read of what is happening, what it costs, and what to do about it. It is quoted on its own and you can stop after it.

+1 (786) 619-0152