Numeral, a Mambu company

About the Company

Numeral, a Mambu company, is a payment technology provider for fintechs and banks.

We offer financial institutions a universal gateway to connect to partner banks and access schemes and a modern payments hub to automate payment processing.

With Numeral, fintechs and banks can unlock growth by launching new products and expanding geographically faster, eliminating hidden payment complexity and making their payments future-proof and ever-compliant.

Launched in 2021 and acquired by Mambu (www.mambu.com) in 2024 Numeral provides the payment infrastructure for the most innovative European banks and fintechs like WorldFirst, Argentex and Alma and partners with Europe’s leading banks, including BNP Paribas, Barclays, BPCE, HSBC and LHV.

Listed Jobs

Company Name

Numeral, a Mambu company

Job Title

Software Engineer

Job Description

Join Numeral – A Mambu Company, Shaping the Future of Financial Technology!

At Numeral, a proud part of the Mambu family, we are revolutionizing the banking and financial services landscape with cutting-edge solutions that empower businesses and transform financial services. As a global leader in payment operations and innovative banking solutions, we thrive on a culture of collaboration, creativity, and a shared mission to make financial technology simpler, smarter, and more accessible.

As part of Mambu, we believe that banking and financial services can change the world for the better. We also know that inflexible systems are slowing innovation and limiting impact. We’re on a mission to change that, to make banking work better for everyone.

Join us as we bring banking and financial services technology into the digital-first world. Where our best-in-class, cloud-banking platform is igniting financial change globally. Where we are enabling our customers to build great banking experiences for their customers; in a faster, more flexible and more dependable way than ever before.

Let’s rewrite the rules of banking together!

What You’ll Do

As a QA Software Engineer, you will play a critical role in ensuring the reliability, performance, and security of our payments platform. You’ll be responsible for designing and executing test strategies, automating tests, and collaborating with cross-functional teams to deliver high-quality software that meets customer and regulatory requirements. Key Responsibilities include:

Designing, developing, and maintaining automated test suites with a primary focus on back-end systems
Collaborating with Product Management, Software Development, DevOps, and Security teams to maintain a fast-paced, iterative, and continuously improving delivery process
Developing and executing test plans and strategies that encompass both functional and non-functional testing, including performance and security
Creating and managing comprehensive test cases, leveraging tools and frameworks for automated testing of APIs and UI where necessary
Integrating automated tests into CI / CD pipelines to ensure seamless and reliable deployments
Providing feedback to the engineering team by identifying, documenting, and tracking issues and defects
Ensuring the scalability, reliability, and performance of back-end services and APIs

What You’ll Bring

Solid experience in building and maintaining automated test frameworks, with a primary focus on backend testing
Proficiency in testing modern APIs, including functional, integration, and security testing
Experience with CI / CD pipelines and integrating automated tests into build processes
Knowledge of software testing best practices, including TDD and BDD methodologies
Strong analytical and problem-solving skills, with an eye for detail
Autonomous and proactive, with a strong focus on quality and continuous improvement
Experience in cloud technologies
Exposure to DevOps practices and tools, including GitLab, Kubernetes (K8s), and AWS (EC2, S3, EKS, RDS)
Nice to have: experience with banking and payment systems (SEPA, Swift, Ebics...)

Advantageous

familiarity with message broker middleware such as Kafka
familiarity with SQL and NoSQL data stores
knowledge of performance testing tools and strategies
security testing experience for APIs and frontend applications

Your future

We aim to be the leading cloud-banking platform, powering the future of banking and igniting financial change globally. If you want to join a collaborative, inclusive team of experts changing the lives of billions, this is where you belong.

Let's connect!

Follow Mambu on LinkedIn for the latest Fintech trends and success stories. Connect with us on Facebook , Instagram , and YouTube to experience our vibrant culture. Explore our mission, values, and the world we're building at mambu.com/careers .

Follow the work of our Product and Engineering teams as they continuously make our products and platform bigger, better, faster and stronger. Check out our Medium Product & Tech Log.

As part of the recruitment or HR onboarding process, you will undergo background check screening. This includes a criminal background check and a review against sanctions, anti-money laundering, counter-terrorism financing, and politically exposed persons screening services. Your employment is conditional upon the successful approval of these results.

Don’t meet every single requirement? Studies have shown that many job seekers (including women, people of colour and people from diverse backgrounds) are reluctant to apply to jobs unless they meet every single qualification.

Here at Mambu we are dedicated to building a diverse, inclusive and authentic workplace, so if you’re excited about this role but your past experience doesn’t align perfectly with every qualification in the job description, we encourage you to apply anyway. You may be just the right candidate for this or other roles.

Mambu is committed to working with and providing equal opportunities to people with disabilities. If you have a medical condition or disability which inhibits your ability to complete any part of the application process, and are in need of a reasonable adaptation of the process to accommodate your needs, please contact us at talent.acquisition@mambu.com and let us know how we may assist you.

France

Remote

10-03-2025

Company Name

Numeral, a Mambu company

Job Title

Delivery Manager

Job Description

Join Numeral – A Mambu Company, Shaping the Future of Financial Technology!

At Numeral, a proud part of the Mambu family, we are revolutionizing the banking and financial services landscape with cutting-edge solutions that empower businesses and transform financial services. As a global leader in payment operations and innovative banking solutions, we thrive on a culture of collaboration, creativity, and a shared mission to make financial technology simpler, smarter, and more accessible.

As part of Mambu, we believe that banking and financial services can change the world for the better. We also know that inflexible systems are slowing innovation and limiting impact. We’re on a mission to change that, to make banking work better for everyone.

Join us as we bring banking and financial services technology into the digital-first world. Where our best-in-class, cloud-banking platform is igniting financial change globally. Where we are enabling our customers to build great banking experiences for their customers; in a faster, more flexible and more dependable way than ever before.

Let’s rewrite the rules of banking together!

What You’ll Do

We are hiring a highly motivated and skilled Delivery Manager to lead customer delivery projects. In this role, you will oversee the delivery of critical projects, ensuring that they are completed on time, within scope, and to the highest quality standards. You will work closely with cross-functional teams, customers, and partners. This role might require frequent travel to customer sites and Mambu Payments / Numeral offices.

Key Responsibilities

Manage the end-to-end delivery of customer delivery projects involving multiple stakeholders, complex scopes, internal and external dependencies, and strict timelines
Ensure projects are delivered on time through thoughtful planning, dynamic project management, stakeholder management, and proactive resolution of blockers
Ensure project scope completion while avoiding scope creep
Prepare meeting agendas, materials, and minutes to align internal teams, customers, and partners
Provide visibility over project progress, milestones, next steps, and blockers
Continuously build and improve Mambu Payments / Numeral’s customer project delivery knowledge base and processes

What You’ll Bring

5+ years of experience in a project management or professional services role in a demanding environment (consulting, banking, enterprise software, etc.)
Strong project planning skills combined with a solution-oriented approach and bias for action
Ability to anticipate and resolve issues before they happen
Excellent written and verbal communication skills
Familiarity with financial technology and banking and payment infrastructure is a plus

Your future

We aim to be the leading payments and cloud-banking platform, powering the future of banking and igniting financial change globally. If you want to join a collaborative, inclusive team of experts changing the lives of billions, this is where you belong.

Let's connect!

Follow Mambu on LinkedIn for the latest Fintech trends and success stories. Connect with us on Facebook , Instagram , and YouTube to experience our vibrant culture. Explore our mission, values, and the world we're building at mambu.com/careers .

Follow the work of our Product and Engineering teams as they continuously make our products and platform bigger, better, faster and stronger. Check out our Medium Product & Tech Log.

As part of the recruitment (or HR onboarding) process, you will undergo background check screening. This includes a criminal background check and a review against sanctions, anti-money laundering, counter-terrorism financing, and politically exposed persons screening services. Your employment is conditional upon the successful approval of these results.

Don’t meet every single requirement? Studies have shown that many job seekers (including women, people of colour and people from diverse backgrounds) are reluctant to apply to jobs unless they meet every single qualification.

Here at Mambu we are dedicated to building a diverse, inclusive and authentic workplace, so if you’re excited about this role but your past experience doesn’t align perfectly with every qualification in the job description, we encourage you to apply anyway. You may be just the right candidate for this or other roles.

Mambu is committed to working with and providing equal opportunities to people with disabilities. If you have a medical condition or disability which inhibits your ability to complete any part of the application process, and are in need of a reasonable adaptation of the process to accommodate your needs, please contact us at talent.acquisition@mambu.com and let us know how we may assist you.

France

Remote

18-03-2025

Company Name

Numeral, a Mambu company

Job Title

Support Engineer

Job Description

Join Numeral – A Mambu Company, Shaping the Future of Financial Technology!

At Numeral, a proud part of the Mambu family, we are revolutionizing the banking and financial services landscape with cutting-edge solutions that empower businesses and transform financial services. As a global leader in payment operations and innovative banking solutions, we thrive on a culture of collaboration, creativity, and a shared mission to make financial technology simpler, smarter, and more accessible.

As part of Mambu, we believe that banking and financial services can change the world for the better. We also know that inflexible systems are slowing innovation and limiting impact. We’re on a mission to change that, to make banking work better for everyone.

Join us as we bring banking and financial services technology into the digital-first world. Where our best-in-class, cloud-banking platform is igniting financial change globally. Where we are enabling our customers to build great banking experiences for their customers; in a faster, more flexible and more dependable way than ever before.

Let’s rewrite the rules of banking together!

What You’ll Do

We are hiring an experienced Support Engineer to join our team. As the first line of support, you will ensure the timely and effective resolution of technical issues while collaborating with our product and engineering teams. This role requires a combination of strong problem-solving skills, functional and technical expertise, and excellent customer communication.

Key Responsibilities

Provide Mambu Payments / Numeral first line of support to customers and partners
Manage incoming support requests based on triage rules and service level agreements
Assist customers in deploying and using Mambu Payments / Numeral
Troubleshoot and collaborate with product and engineering teams to resolve complex technical issues related to Mambu Payments / Numeral’s platform, APIs, bank integrations, and configurations
Ensure all support tickets are responded within the agreed SLA
Drive product reliability improvement efforts across Mambu Payments / Numeral
Continuously build and improve Mambu Payments / Numeral’s technical knowledge base and support processes

What You’ll Bring

5+ years of experience in technical support, product support, or a similar role
Strong understanding of APIs and integration-heavy software
Experience with incident management, troubleshooting, and customer communication
Excellent problem-solving skills with the ability to diagnose complex technical issues
Strong written and verbal communication skills, with a focus on customer satisfaction
Proficiency with data exploration and visualization tools (e.g. Metabase) and ticketing systems (e.g., Zendesk, Jira…)
Experience with monitoring tools (e.g., Datadog, Grafana, Sentry…) is a plus
Familiarity with financial technology and banking and payment infrastructure is a plus

Your future

We aim to be the leading payments and cloud-banking platform, powering the future of banking and igniting financial change globally. If you want to join a collaborative, inclusive team of experts changing the lives of billions, this is where you belong.

Let's connect!

Follow Mambu on LinkedIn for the latest Fintech trends and success stories. Connect with us on Facebook , Instagram , and YouTube to experience our vibrant culture. Explore our mission, values, and the world we're building at mambu.com/careers .

Follow the work of our Product and Engineering teams as they continuously make our products and platform bigger, better, faster and stronger. Check out our Medium Product & Tech Log.

As part of the recruitment (or HR onboarding) process, you will undergo background check screening. This includes a criminal background check and a review against sanctions, anti-money laundering, counter-terrorism financing, and politically exposed persons screening services. Your employment is conditional upon the successful approval of these results.

Don’t meet every single requirement? Studies have shown that many job seekers (including women, people of colour and people from diverse backgrounds) are reluctant to apply to jobs unless they meet every single qualification.

Here at Mambu we are dedicated to building a diverse, inclusive and authentic workplace, so if you’re excited about this role but your past experience doesn’t align perfectly with every qualification in the job description, we encourage you to apply anyway. You may be just the right candidate for this or other roles.

Mambu is committed to working with and providing equal opportunities to people with disabilities. If you have a medical condition or disability which inhibits your ability to complete any part of the application process, and are in need of a reasonable adaptation of the process to accommodate your needs, please contact us at talent.acquisition@mambu.com and let us know how we may assist you.

France

Remote

18-03-2025