Job Description

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About Smartnumbers

We are on a mission to stop fraud and improve customer authentication. Fraud is a huge problem affecting millions of people, it costs the UK nearly 7bn and represents 40% of all crime. Too often the solution has been to put in place cumbersome authentication processes that frustrate genuine customers, cause inefficiencies for organisations and fail to prevent fraud.


We are changing this by providing organisations with real-time insight into the risk of a caller. We combine patented machine learning technology with our deep domain knowledge to prevent contact centre fraud.


We recognise that we need to work together to fight fraud, that is why we have fostered strategic partnerships with leading global organisations like Amazon, BT, Genesys and NICE. Together, we protect the UKs largest retail banks, investment banks and emergency services. We also believe in developing our people and developing high performing teams, reflected by our Platinum Investors in People accreditation.

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What you'll be working on

Role & responsibilities

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We're seeking an experienced Senior Solutions Architect to join our Technical Solutions Team, reporting to the Head of Customer Operations.


This team designs and maintains integration solutions that enable seamless connectivity across our customers, partners, and ecosystem; ensuring reliability, scalability, and alignment with our principles of Resilience, Flexibility, Security, and Privacy.


You'll translate business requirements into robust technical integration designs, ensuring compliance with architectural standards and efficient resource use. The role includes design sign-off, researching emerging technologies, and acting as an escalation point for complex connectivity projects.

You'll collaborate closely with Product, Sales, and Engineering on long-term integration initiatives and help enhance our connectivity ecosystem to support new business opportunities.

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Integration Design

Produce high-quality integration designs delivering seamless customer and partner connectivity Serve as the technical authority for integration architecture Maintain a strategic outlook on integration technologies and frameworks Influence decisions on customer and partner onboarding approaches
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Customer & Partner Engagement

Translate customer connectivity requirements into clear, actionable designs Communicate complex integration concepts to technical and non-technical audiences Support customers and partners in addressing integration challenges and solution options Present integration architectures clearly to stakeholders at all levels
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Technical Design & Documentation

Apply best practices to develop fully assured integration solutions Create templates and documentation used by Technical Solutions, Engineering, and Support teams Build reusable frameworks and documentation to accelerate onboarding
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Quality Assurance & Risk Management

Define and validate testing approaches for integration changes Identify, quantify, and communicate risks clearly to internal and external stakeholders
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Innovation & Strategy

Monitor industry trends and recommend new integration approaches and technologies Collaborate with Product, Sales, and Engineering teams to shape future capabilities and continual development of our connectivity ecosystem Produce integration roadmaps aligned to customer acquisition and partner growth
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Team Leadership & Governance

Peer-review integration designs and act as final sign-off authority for customer and partner integration designs and modifications Provide escalation support for complex customer integration challenges Work alongside BAU teams when specialist expertise is required Maintain high standards for integration documentation through the peer review process with team leadership
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What you'll need for the role

Smartnumbers values diversity of experience. Candidates should have a strong combination of several of the following skills, competencies and experience:

Comprehensive experience working in a similar technical role Strong background in integration technologies, APIs, and connectivity protocols Hands-on experience with telecommunications technologies and platforms including network voice solutions and communications infrastructure Proven ability to design and sign-off enterprise-grade connectivity solutions Experience translating business requirements into technical architectures Track record of producing high-quality integration documentation Strong client-facing communications skills and interpersonal skills with the ability to engage directly with customers, partners, and senior stakeholders, creating solid working relationships Experience managing expectations and delivering high-quality outcomes on time Ability to troubleshoot complex connectivity issues Experience driving change across customer environments Strategic mindset and scalable solution thinking Strong organisation and prioritisation skills Excellent written and verbal communication skills Ability to present to different audiences, including executives Experience building reusable templates and best-practice guides
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Desirable knowledge & certifications

SIP / SBCs / voice and UC technologies Telecoms: PSTN, VoIP, CCaaS / IVR Cloud platforms & architecture (AWS, Azure, GCP) Networking (OSPF, BGP, IPSEC, NAT, QoS, Direct Connect) API management platforms (MuleSoft, Apigee, Azure API Mgmt) EA frameworks (TOGAF, Zachman) Integration patterns, ESB / iPaaS REST, SOAP, GraphQL, AMQP, MQTT IAM, ETL/ELT, DevOps, automation Experience mentoring or managing within technical functions
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What we can offer you

As well as a competitive salary of circa 80,000 per annum, we also offer a comprehensive benefits package, covering a variety of areas, both professional and personal. These benefits include:

Hybrid working style, with the expectation of two days in the office (with a great City of London office base!) Family friendly benefits including paid parental leave policies An extensive health insurance policy for you, with an option to add your family members A workplace pension with Aegon Life insurance of 4 x your salary A discretionary annual bonus of up to 10% of your salary Weekly self-development time to spend exploring your professional development interests 25 days of annual leave (plus bank holidays), your birthday off, and an opportunity to buy up to 5 days annual leave per year A holistic wellbeing support plan encompassing a variety of offerings to assist you. We provide you with a monthly 50 allowance to fund activities to best support your wellbeing as well as workshops and training to provide tools and guidance. Additionally, there is a wide-ranging employee assistance programme available to advise on personal, family or financial matters, and also fun social events during the year.
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The application process

The interview process will look like:

Screening interview with the hiring manager Technical and competency based interview with Technical Solutions Team members Culture and values stage including a Meet the Team, HR and Bar-raiser interviews.


Smartnumbers is committed to promoting equal opportunities in employment. You will receive equal treatment regardless of age, disability, neurodiversity, gender, gender identity, gender reassignment, marital or civil partner status, pregnancy or maternity, race, colour, nationality, ethnic or national origin, religion or belief, sex and sexual orientation. We welcome all applications for this role.


We are committed to providing reasonable support/adjustments in our recruiting processes. If you need support, please reach out to the hiring contact.


Please see our privacy notice: https://smartnumbers.com/privacy-notice/####

About us

We help companies in the fight against fraud. Our solutions help protect organisations from downstream fraud by ensuring the contact centre stays secure. Through our consortium of customers and partners, we enable organisations to work together to fight fraud by sharing intelligence and best practice.



As a software company with a telecommunications pedigree, we create market-leading security solutions for the contact centre. It's why more than a thousand organisations trust us to help them fight fraud.



Our cloud-based AI-powered platform uses direct access to the carrier network, shared data on known fraudsters from our consortium and machine learning technology to protect your contact centre and your customers.



Find out more on how Smartnumbers helps organisations to prevent fraud and authenticate customers in one go here.