Nium provides global infrastructure for real-time cross-border payments. We were founded on the mission to deliver the global payments infrastructure of tomorrow, today. Our platform enables banks, fintechs, and global businesses to move money instantly, everywhere.
Co-headquartered in San Francisco and Singapore with offices in 14 markets worldwide, we are entering one of the most exciting chapters in our journey. In March 2026, we delivered the largest month in our 11-year history with record revenue, record volumes, and EBITDA profitability. Today, Nium moves nearly $60B in payments annually, almost entirely for enterprises, while continuing to strengthen an already healthy balance sheet.
It is an incredible time to join us, and we are only just getting started.
Our payout network spans 190+ countries and 100 currencies, with 100 + corridors in real time. We power seamless transfers to accounts, wallets, and cards, support local collections in 35 markets, and as a principal card issuer on Visa, Mastercard, Discover, and UATP, Nium issues over 50 million card tokens every year. Backed by regulatory licenses in 40+ markets, we make it simple for our partners to onboard, integrate, and scale globally. This scale and innovation have earned us recognition as one of CNBC’s World’s Top Fintech Companies 2025, winner of Best Cross-Border Payments Solution at the PayTech Awards, and inclusion in FXC Intelligence’s Top 100 Cross-Border Payments Companies list.
In 2024, we raised US$50 million in Series E funding at a US$1.4 billion valuation to accelerate network expansion, product innovation, and talent growth. With the B2B payments market projected to hit US$175 trillion by 2030, Nium offers ambitious builders the chance to shape the future of global money movement with the scale of a leader and the energy of a high-growth company.
Role Overview
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 Mumbai, and working closely with our teams in Malta, you will help lead a talented engineering team in building and maintaining our card issuance capabilities that are shaping the future of the industry.
Key Responsibilities
Platform & Business Insight
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.
Required Skills & Experience
Software Engineering & Design
4 to 6 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
Backend Development
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
DevOps & Infrastructure
Experience or familiarity with tools like MySQL, Postgres, Kafka, Zookeeper, Docker, and Kubernetes
Skilled in version control, build configuration, and automation tooling
Quality Assurance
Advocate for software quality through automated and manual testing
Proficient with unit testing frameworks and related tools
Collaboration & Communication
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
