W

Worldpay

Omnichannel payment processing for merchants

Technical Lead - Agentic Commerce Engineering

Full-Time
$127.5k - $192.5k/yr
Senior, Expert
Salt Lake City, UT, USA+3 moreMore locations: Denver, CO, USA | Atlanta, GA, USA | Cincinnati, OH, USA
HybridHybrid work is required; the specific in-office schedule is not stated.

About the job

Requirements
  • At least 8 years of software engineering experience, including architecture and production ownership of distributed services, application programming interfaces, or transaction-processing platforms requiring high reliability, security, observability, and operational readiness.
  • Strong cloud-native engineering experience with Amazon Web Services, Google Cloud Platform, Microsoft Azure, or comparable public cloud environments, including architecture decisions involving scalability, resilience, deployment, monitoring, and cost.
  • Practical understanding of artificial intelligence agent systems, including tool and application programming interface use, structured inputs and outputs, delegated permissions, and external services, with the ability to design safe, deterministic, and auditable payment flows.
  • Proven technical leadership experience including architecture ownership, mentoring engineers, leading design reviews, influencing cross-functional teams, and making tradeoffs in ambiguous or emerging product areas.
  • Experience designing application-programming-interface-first platforms with clear contracts, versioning, documentation, testing strategies, predictable error handling, secure integration patterns, and strong developer experience.
Responsibilities
  • Lead the design and delivery of secure checkout and payment application programming interfaces that artificial intelligence agents can invoke reliably and deterministically, including support for UCP, ACP, AP2, agentic tokens, delegated credentials, verifiable intent, and MPP.
  • Define platform patterns for agent identity, delegated authority, user intent, authentication, tokenization, fraud signals, evidence records, reporting, and downstream payment integration.
  • Partner with internal teams and external ecosystem participants, including standards groups and artificial intelligence commerce partners, to shape interoperable approaches to agent-led payments.
  • Architect and ship merchant-facing application programming interfaces and software development kits with clear contracts, predictable error handling, strong documentation, sandbox-friendly flows, and strong developer experience.
  • Design for discoverability, fast time-to-first-transaction, reliable testing, and feedback loops from merchants, partners, and external developers.
  • Contribute to application programming interface governance and platform standards across the engineering organization.
  • Set technical direction for a greenfield agentic commerce squad while balancing speed, interoperability, security, reliability, and long-term platform extensibility.
  • Provide hands-on technical leadership through architecture reviews, design decisions, code reviews, mentoring, incident learning, and engineering standards.
  • Help recruit and develop artificial-intelligence-focused engineers.
Desired Qualifications
  • Experience in payments, financial technology, commerce platforms, card-not-present processing, checkout, gateways, tokenization, 3DS/SCA, fraud and risk systems, dispute workflows, merchant reporting, or other real-time money movement platforms.
  • Experience with large-language-model-powered applications, artificial intelligence agent frameworks, tool-calling systems, MCP-style integrations, A2A-style protocols, or standards work related to agent identity, delegated authority, verifiable intent, safe artificial intelligence integration, or agentic commerce.
  • Public engineering presence or ecosystem involvement through meaningful GitHub contributions, open-source participation, standards work, technical writing, conference or forum participation, community engagement, or greenfield product development in complex enterprise environments.

About the company

Worldpay, now part of FIS, provides payment processing and fintech services for online and in-store transactions. It supports merchants, financial institutions, and technology partners with omnichannel payment solutions, card issuing, merchant services, and API-driven integrations. Its products enable B2B and B2C payments across eCommerce and physical channels, integrating with third-party applications used by ISVs and VARs. The company earns revenue from transaction fees, subscriptions for advanced payment features, and value-added services. Their API-enabled platform helps businesses connect payment systems quickly and scale with demand. The goal is to help businesses improve customer experiences and grow by delivering reliable, scalable payment processing across multiple channels.

Company Size

5,001-10,000

Company Stage

Acquired

Total Funding

$2.9B

Headquarters

Cincinnati, Ohio

Founded

1990

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Simplify Jobs

Simplify's Take

What believers are saying

  • Global Payments closed Worldpay on January 9, 2026, creating enormous distribution leverage.
  • June 2026 product updates expand Worldpay's partner ecosystem and support AI-driven commerce.
  • Payments Advisory Group joined Worldpay's partner directory on August 24, 2026, signaling channel pull.

What critics are saying

  • Global Payments' January 2026 integration with Worldpay invites layoffs and executive churn through 2027.
  • Stripe and Adyen out-innovate Worldpay on developer experience, compressing pricing and margins.
  • Worldpay's commoditized acquiring business faces existential pressure if merchants standardize on API-first platforms.

What makes Worldpay unique

  • Worldpay spans 175 countries and 94 billion annual transactions after January 2026.
  • Worldpay serves enterprise, SMB, and embedded payments through one merchant platform.
  • Worldpay launched MCP in June 2026, supporting agentic-commerce integrations for developers.

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Benefits

Parental Leave

Global Recognition Platform

Global Employee Assistance Program

Growth & Insights and Company News

Headcount

6 month growth

↑ 0%

1 year growth

↑ 0%

2 year growth

↑ 2%
Ae3 Media Ltd
Sep 24th, 2026
Hunnisett and Porter join L&C Mortgages in senior roles.

Hunnisett and Porter join L&C Mortgages in senior roles. September 24, 2026 L&C Mortgages has made two appointments to its senior team, with Rachael Hunnisett joining as director of partnerships and communications and Kristina Porter as chief transformation and technology officer. Hunnisett was most recently director of mortgage distribution at April Mortgages and brings experience from across the mortgage lending and advice sectors, having previously worked at the Green Finance Institute (GFI) and Skipton Building Society. She will also support L&C's integrated communications and public relations strategy, strengthen relationships with key stakeholders and raise awareness of partnership opportunities across the sector. Hunnisett (pictured, left) said: "I am delighted to be joining the team. It's an incredibly exciting time to be joining L&C, with a huge amount of opportunity ahead. I'm passionate about building strong partnerships, bringing teams together around shared goals and, ultimately, making sure what Mortgagesolutions do delivers real value for both its customers and the business. "I'm very much looking forward to building on the existing strengths of the business and driving forward the next phase of growth." Porter will lead L&C's transformation, aligned with technology to support its growth strategy. She will work with the executive team to deliver its strategy into measurable business outcomes. She has more than 20 years' experience leading large-scale transformation across technology, operating models, and business performance in complex, regulated environments. Porter was most recently transformation director at Worldpay, a payments technology and software company. There, she led a global portfolio of strategic initiatives. Before this, she held senior transformation roles at Sky and Simplyhealth, where she delivered technology and business change programmes, including operating model redesign, digital transformation, scaled agile delivery, and enterprise-wide portfolio governance. Porter (pictured, right) said: "I'm thrilled to join the L&C team and be a part of the exciting growth trajectory that the business is targeting. I'm looking forward to building on all the good work that's already underway, as Mortgagesolutions look to underline L&C's position as the UK's favourite mortgage partner. "I was particularly attracted by L&C's commitment to putting its people at the heart of its transformation. My passion is in using technology and data to drive better customer experiences, improve productivity, and unlock growth. The focus on colleagues and customers will not only allow technology to power the business forward but also ensure that the change is managed and seamless." Mark Harrington, chief executive of L&C Mortgages, added: "I'm excited to announce the addition of Rachael and Kristina to the L&C team. L&C is at an important stage in its growth and transformation, and their experience will be key to helping shape the next phase of its development. "Rachael's focus on not only strengthening our existing partnerships but also driving new opportunities and Kristina's experience in managing transformation across a broad range of businesses will be invaluable, as L&C takes the next stride forward." He said: "The addition of Rachael and Kristina to the team will help L&C achieve its goal of continuing to lead the way in delivering great value mortgage advice and service to our customers."

Barcadia Media Limited
Sep 24th, 2026
Hunnisett joins L&C Mortgages in senior team expansion.

Hunnisett joins L&C Mortgages in senior team expansion. L&C Mortgages has announced two new appointments to its senior team. Rozi Jones | Editor, Financial Reporter 24th September 2026 L&C Mortgages has appointed Rachael Hunnisett as its new director of partnerships and communications. Hunnisett has worked in roles spanning the mortgage lending and advice market, most recently as director of mortgage distribution at April Mortgages. In her new role, she will lead the development of L&C's existing partnerships while identifying new opportunities to expand L&C's reach to a broader customer base, playing a key role in shaping the future direction of the partnership proposition. Rachael will also contribute to L&C's integrated communications and public relations strategy. Kristina Porter has also joined the senior L&C team as its chief transformation and technology officer. Porter brings over 20 years' experience delivering large-scale transformation across technology, operating models, and business performance in complex, regulated environments. Most recently, Kristina was transformation director at Worldpay, the payments technology and software company, where she led a global portfolio of strategic initiatives. Prior to that, she held senior transformation roles at Sky and Simplyhealth, where she delivered major technology and business change programmes, including operating model redesign, digital transformation, scaled agile delivery, and enterprise-wide portfolio governance. Rachael Hunnisett commented: "I am delighted to be joining the team. It's an incredibly exciting time to be joining L&C, with a huge amount of opportunity ahead. I'm passionate about building strong partnerships, bringing teams together around shared goals and, ultimately, making sure what Financial Reporter do delivers real value for both its customers and the business. "I'm very much looking forward to building on the existing strengths of the business and driving forward the next phase of growth." Kristina Porter said: "I'm thrilled to join the L&C team and be a part of the exciting growth trajectory that the business is targeting. I'm looking forward to building on all the good work that's already underway, as Financial Reporter look to underline L&C's position as the UK's favourite mortgage partner. "I was particularly attracted by L&C's commitment to putting its people at the heart of its transformation. My passion is in using technology and data to drive better customer experiences, improve productivity, and unlock growth. The focus on colleagues and customers will not only allow technology to power the business forward but also ensure that the change is managed and seamless." Mark Harrington, CEO of L&C, added: "I'm excited to announce the addition of Rachael and Kristina to the L&C team. L&C is at an important stage in its growth and transformation, and their experience will be key to helping shape the next phase of its development. "Rachael's focus on not only strengthening its existing partnerships but also driving new opportunities and Kristina's experience in managing transformation across a broad range of businesses will be invaluable, as L&C takes the next stride forward. "The addition of Rachael and Kristina to the team will help L&C achieve its goal of continuing to lead the way in delivering great value mortgage advice and service to our customers." Popular this week Latest from Property Reporter Latest from Protection Reporter

Switch4Profit
Sep 17th, 2026
Compare card payment providers: What should your business really be looking for?

Compare card payment providers: What should your business really be looking for? If you're reviewing your business costs, it's easy to focus on one number: the rate you're paying to take card payments. But in its experience at Switch4Profit, that's only part of the picture. The right payment solution needs to work with your EPOS, support your team when things go wrong, get your money into your bank quickly and give you the flexibility to change as your business grows. That's why Switch4Profit Ltd believe it's worth looking at the whole package, rather than simply comparing headline rates. So, how do they compare? There are plenty of payment providers competing for UK businesses, from established names such as Worldpay and Barclaycard to newer providers including Dojo, Teya, Square, SumUp and Flatpay. They all have their strengths, but there can be some important differences when you look beyond the headline price. It's not just about the headline rate. Switch4Profit Ltd has seen businesses spend far too much time comparing transaction rates without looking at what they're actually paying overall. For example, a flat rate might look attractive when you're processing a relatively small amount each month. But as your turnover increases, the difference between a flat rate and a properly structured pricing model can become significant. There can also be other costs to consider - monthly fees, settlement charges, terminal rental, PCI fees, authorisation fees and contract termination costs. The rate on the sales proposal isn't necessarily the number that matters most. Your total cost is. That's why Switch4Profit Ltd always recommend looking at your actual statements and invoices before deciding whether you're getting a good deal. Technology matters too. For a busy pub, restaurant, club or retail business, your card machine doesn't operate in isolation. It needs to work with your tills and EPOS, keep transactions moving when you're busy and make life easier for the people running the business. Dojo has integrations with more than 450 EPOS systems, meaning businesses have a wide choice of technology rather than being forced into one particular ecosystem. For hospitality businesses in particular, the ability to connect payments with EPOS, bookings and other systems can make a real difference. It can reduce manual keying, speed up service, simplify reconciliation and give you better visibility of what's happening across the business. And then there's support. A payment system can work perfectly for months - until it doesn't. When you're standing behind a busy bar on a Saturday night and payments stop working, being able to speak to someone quickly is very different from submitting an online support request and waiting for a response. Dojo provides 24/7 UK-based human support, which is particularly relevant for businesses that trade evenings and weekends. Cash flow is another big consideration. Getting paid isn't the same as having access to your money. For businesses with significant weekend turnover, waiting several days for funds to reach the bank can put unnecessary pressure on cash flow. Dojo offers next-business-day settlement, with faster settlement options also available. For a hospitality business that can take a significant amount of money over a weekend, that can make a meaningful difference. What about the other providers? There isn't a single payment provider that is right for every business. Square has built a strong reputation for simplicity and ease of getting started, particularly among smaller businesses. However, businesses wanting more advanced functionality may need to move onto paid plans, and its approach is more closely tied to the Square ecosystem. SumUp is another popular option for smaller businesses and mobile traders, with simple hardware and straightforward pricing. However, flat-rate pricing can become less attractive as transaction volumes increase. Flatpay promotes a very simple proposition and a low headline transaction rate. But businesses should look closely at the length of the agreement, terminal costs and what is included within the headline rate. Teya offers an increasingly broad range of payment, EPOS and financial services for SMEs. As with any provider, it's important to look beyond the headline offer and understand the full pricing structure, settlement options and contract terms. Worldpay, Elavon and Barclaycard are established providers with extensive experience and large customer bases. However, businesses should check contract length, settlement times, additional fees and termination arrangements before signing up. The point isn't that one provider is automatically right for everyone. It's about finding the right fit for your business. So, what should you actually compare? Before switching payment provider, Switch4Profit Ltd'd suggest looking at these five things: 1. Your total monthly cost. Don't just compare the transaction rate. Look at every fee you're paying. 2. Your contract. How long are you tied in for? What happens if you want to leave? Are there automatic renewals or termination charges? 3. Your technology. Will the payment system integrate properly with your existing EPOS, bookings and other systems? 4. Your cash flow. How quickly will your money reach your bank account, particularly after busy weekends? 5. The support you'll receive. That's where Switch4Profit comes in. At Switch4Profit, Switch4Profit Ltd don't believe businesses should switch provider simply because someone has offered them a lower rate. Switch4Profit Ltd look at the bigger picture. Switch4Profit Ltd review your current setup, your costs, your technology and your contracts, then help you understand where there may be opportunities to save money or improve the way your business operates. And its advice is completely free. If you're a pub, restaurant, club, retailer or other SME and you're wondering whether you're getting a good deal, send Switch4Profit Ltd your current statement. Switch4Profit Ltd'll take a look and tell you what Switch4Profit Ltd find. No hard sell. No obligation. Just straightforward advice.

Aerona Software Ltd
Sep 17th, 2026
Cloud Dental Software - smarter Practice Management.

Cloud Dental Software - smarter Practice Management. As the name suggests, Cloud Dental Software means your practice management software is hosted in the cloud. No clunky hardware installed in the practice, no regular maintenance to manage and no being tied to one particular computer. Instead, your authorised team can access the software wherever they need it... within the practice, across multiple practices or even from home. And that can remove a headache and a weight that simply doesn't need to be there. Need to check tomorrow's diary to see how many patients you have and what time they are booked? Need to check tomorrow's staff rota because of a last-minute staffing issue? Working across different locations next week and need access to connected patient information? The answer is the cloud and with AeronaDental, your practice management software is there when you need it. How can cloud software benefit your practice? AeronaDental has been cloud-based from the outset, rather than being a traditional desktop system that was later moved to the cloud. It brings the tools your practice needs together within one connected Cloud Dental Practice Management Software (CDPMS) platform. Clinical management: Manage patient records, treatment planning and clinical workflows with tools including Charting+. Appointment management: Keep your practice diary, appointments and staff schedules connected and accessible to your team. Patient engagement: With the AeronaDental Patient Portal, patients can book, reschedule or cancel appointments, make payments, complete forms and access their information online. Business reporting: Built-in KPI and reporting tools give practice owners and managers a clearer view of practice and clinician performance. Multi-site management: Managing more than one location? AeronaDental helps keep your practices connected, giving teams access to the information they need across multiple sites. Payments and integrations: Connect AeronaDental with payment providers such as Worldpay and communication platforms such as Dental Audio Notes (DAN) and other clinical technologies to help create a more connected digital workflow. Why move your Dental Practice to the cloud? Cloud software isn't simply about being able to log in from another computer. It's about having the flexibility, accessibility and connected tools to manage your practice wherever you are. For a busy dental practice, that can make everyday tasks easier, keep teams connected and provide the flexibility to work the way modern practices need to. With clinical management, appointments, patient engagement, reporting, payments, integrations and multi-site functionality brought together in one platform, AeronaDental provides a smarter way to manage your practice. Looking for Cloud Dental Software for your practice?

CoinDesk
Sep 10th, 2026
Velocity extends Series A to $48M at $200M valuation with backing from Visa, Circle, and Ripple.

Velocity extends Series A to $48M at $200M valuation with backing from Visa, Circle, and Ripple. The investment brings Velocity's Series A round to $48 million and values the London-based payments infrastructure firm at $200 million, CEO Eric Queathem said. * Stablecoin payments startup Velocity raised another $10 million from investors including Visa Ventures, Circle Ventures, Haun Ventures and Ripple, bringing its Series A round to $48 million. Stablecoin payments startup Velocity raised another $10 million from investors including Visa (V), Circle (CRCL) and Ripple, extending a Series A that now totals $48 million as financial heavyweights push deeper into blockchain-based payments infrastructure. Haun Ventures, Translink Capital and Mirana Ventures also participated in the extension, which follows a $38 million Series A announced in July. The new investment valued the London-based firm at $200 million post-money, CEO Eric Queathem told CoinDesk in an interview. The original Series A round was oversubscribed, he said. The funding comes as stablecoins, or cryptocurrencies tied to fiat money, are becoming a bigger part of global money movement. Once used primarily by crypto traders to shift dollars between exchanges, stablecoins have grown beyond $300 billion in circulation and are increasingly being used in payments, cross-border transfers and corporate treasury operations. Velocity is going after the infrastructure behind those transactions. Its platform is designed to let payment companies and banks use stablecoins for settlement, liquidity and treasury operations without ripping out the systems they already use. Payments plumbing. Queathem previously worked at Worldpay, which settles more than $2 trillion in annual payments volume. That experience helped shape the idea for Velocity. While consumer-facing payments have improved dramatically, much of the infrastructure moving money between issuers, card networks, acquirers and merchants remains cumbersome. "All this capital has flowed into payments over the last 15 years, and it's been 100% focused on how do you create a better experience on the front end for consumers," Queathem said. "But no one has fixed the back-end layer." Visa's investment is particularly notable because Velocity does not see stablecoins as replacing cards. The company expects blockchain-based digital money to sit underneath existing payment experiences, handling more of the funding and settlement that happens behind the scenes. "Stablecoins are playing an increasingly important role in reshaping how value moves across the Visa ecosystem," Rubail Birwadker, Visa's global head of growth products and strategic partnerships, said in a statement. Velocity, he added, is building infrastructure to bring "stablecoin-powered money movement to every business." Velocity Chief Growth Officer Matt Larson expects much of that shift to be invisible to consumers. "It probably doesn't lead to all of us switching to have stablecoin wallets as users," Larson told CoinDesk. Instead, he said, "all of the funding, all of the settlement" flowing around card networks could increasingly move toward stablecoins. Queathem expects global companies to eventually keep at least some of their capital onchain, creating demand for reconciliation, treasury management and other infrastructure connecting blockchain-based assets with existing financial systems. "I think in five years every global business is going to hold value onchain," he said. Even a relatively small shift of corporate money onchain would create a much larger infrastructure challenge than simply moving dollars into and out of stablecoins, Queathem said. Tokenized equities lead RWA inflows as the market recovers; Binance's bStocks hit ~$118.5M in two months, now #2 issuer and ~90% of on-chain equity DEX volume. Aug 27, 2026 Why it matters: Tokenized equities lead RWA inflows as the market recovers; Binance's bStocks hit ~$118.5M in two months, now #2 issuer and ~90% of on-chain equity DEX volume.