Senior Software Engineer

Nium, Global Leader in Payments

Nium, the global leader in real-time, cross-border payments, was founded on the mission to deliver the global payments infrastructure of tomorrow, today. With the onset of the global economy, its payments infrastructure is shaping how banks, fintechs, and businesses everywhere collect, convert, and disburse funds instantly across borders.

Its payout network supports 100 currencies and spans 220+ markets, 100 of which in real-time. Funds can be disbursed to accounts, wallets, and cards and collected locally in 35 markets. Nium's growing card issuance business is already available in 34 countries. Nium holds regulatory licenses and authorizations in more than 40 countries, enabling seamless onboarding, rapid integration, and compliance – independent of geography. The company is co-headquartered in San Francisco and Singapore. 

As a Senior Software Engineer at Nium, you will be a key contributor within a cross-functional team, collaborating with stakeholders across the organisation to design, build, and maintain our core platforms. You will leverage your experience to develop robust, scalable solutions to complex challenges, playing a critical role in the ongoing transformation of our technology landscape.

In this hands-on role, you will actively contribute to development efforts while mentoring fellow engineers and guiding the team toward high standards of technical excellence. You will take ownership of code quality and foster a culture of continuous improvement through constructive feedback and leadership by example.

You will advocate for engineering best practices, drive enhancements to tools and processes, and promote collaboration and knowledge sharing. Based in Malta, you will help lead a talented engineering team in building innovative payment technologies that are shaping the future of the industry.

• Platform & Business Acumen

Develop and maintain a deep understanding of the company's software platforms, business logic, infrastructure, and delivery processes.

• Technical Leadership

Lead the design and planning of technical and product initiatives.

Make informed engineering decisions aligned with business objectives.

Act as a subject matter expert and set the benchmark for code quality and best practices.

• Team Contribution & Delivery

Collaborate within a cross-functional team to deliver high-quality software solutions.

Take ownership of the team’s output, ensuring adherence to quality and process standards.

• Mentorship & Knowledge Sharing

Mentor engineers through code reviews, pair programming, and project leadership.

Contribute to team development through training sessions, technical talks, and informal mentoring.

• Problem Solving & Process Improvement

Identify technical challenges and lead the development of effective solutions.

Enhance team collaboration by identifying skill gaps or inefficiencies and recommending actionable improvements.

• Communication & Alignment

Clearly communicate technical decisions, standards, and processes.

Foster a culture of transparency, open communication, and shared ownership.

• Talent Development

Support recruitment efforts by participating in hiring processes and providing feedback on candidate competencies.

• 5+ years of experience in designing and building robust, scalable software systems
• Strong passion for engineering and a pragmatic approach to high-quality delivery
• Up to date with current development trends, technologies, and best practices
• Solid understanding of modern software engineering methodologies and delivery processes

• Deep expertise in Java and frameworks like Spring and Spring Boot
• Strong SQL and relational database design skills, including performance tuning and query optimization
• Proficient in designing and consuming RESTful APIs
• Familiarity with OpenAPI for API documentation

• Comfortable working with modern frontend frameworks such as Angular and React

• Experience or familiarity with tools like MySQL, Kafka, Zookeeper, Docker, and Kubernetes
• Skilled in version control, build configuration, and automation tooling

• Advocate for software quality through automated and manual testing
• Proficient with unit testing frameworks and related tools

• Excellent communication skills, with the ability to explain complex technical concepts to both technical and non-technical audiences
• Strong team player who provides leadership and guidance on key initiatives

What we offer at Nium

We Value Performance: Through competitive salaries, performance bonuses, sales commissions, equity for specific roles and recognition programs, we ensure that all our employees are well rewarded and incentivized for their hard work. 

We Care: The wellness of Nium’ers is our #1 priority. We offer medical coverage along with 24/7 employee assistance program, generous vacation programs including our year-end shut down. We also provide a flexible hybrid working environment (3 days per week in the office). 

We Upskill Ourselves : We are curious, and always want to learn more with a focus on upskilling ourselves. We provide role-specific training, internal workshops, and a learning stipend. 

We Constantly Innovate : Since our inception, Nium has received constant recognition and awards for how we approach both our business and talent opportunities. Check out

We Celebrate Together : We recognize that work is also about creating great relationships with each other. We celebrate together with company-wide social events, team bonding activities, happy hours, team offsites, and much more!

We Thrive With Diversity : Nium is truly a global company, with more than 33 nationalities, based in 18+ countries and more than 10 office locations. As an equal opportunity employer, we are committed to providing a safe and welcoming environment for everyone.

For more detailed region-specific benefits:

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