Nium

SDE II - Backend

Posted 3 Days Ago

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Mumbai, Maharashtra, IND

In-Office

Mid level

Blockchain • Fintech • Payments • Cryptocurrency

The Role

The SDE II - Backend role involves building scalable backend systems with Java, delivering impactful features, and ensuring system reliability. Responsibilities include design, coding, testing, and deployment.

Summary Generated by Built In

Nium is the global infrastructure company powering real-time cross-border payments. Founded to deliver the payments infrastructure of tomorrow, today, we are building a programmable, borderless, and compliant money-movement layer that powers transactions between people, businesses, and intelligent systems — enabling banks, fintechs, payroll providers, travel platforms, marketplaces, and other global enterprises to move money instantly, anywhere in the world.

Co-headquartered in San Francisco and Singapore, with offices in 14 markets and team members across 20+ countries, we take pride in a culture anchored in Keeping It Simple, Making It Better, and Winning Together. 2025 was the strongest year in our 10-year history, with record revenue, record transaction volumes, and EBITDA profitability — and we are now entering one of the most dynamic chapters in our journey. We believe the best work happens face-to-face, and we operate a hybrid model with three in-office days per week to strengthen collaboration, alignment, and innovation.

We move over $50B annually across a network that spans 190+ countries, 100 currencies, and 100 real-time corridors. We power fast payouts to accounts, wallets, and cards; enable local collections in 35 markets; and support card issuance in 34 countries — all backed by licenses across 40+ markets.

With over $300M raised to date, Nium offers ambitious builders the opportunity to shape the future of global money movement — at scale.

About the Role

Our ideal candidate has deep experience in building scalable and reliable backend systems using Java, services and APIs that deliver value to our customers. This role will make impactful contributions and will proactively identify gaps and future work for the team.

Key Responsibilities

Deliver and own large features end-to-end
Collaborate with our product team to deliver high impact for our customers
Proactively identify ways to monitor the quality, reliability, and security of our systems
Abide by engineering best practices
You will design, analyse, code, test, and deploy applications to satisfy business requirements for large, complex projects

Requirements

2-3 yrs of solid development experience using Java/J2EE
Experience working with Spring framework
Strong technical knowledge of CS fundamentals
Experience building and operating highly available backend distributed systems
Strong communication (written and verbal) and interpersonal skills
Thrive in a collaborative and fast-paced environment
Passion for turning business and product ideas into engineering solutions

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 for Our Employees: 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 working 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 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.

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The Company

713 Employees

Year Founded: 2015

What We Do

Nium is an advanced payments platform redefining the way consumers and businesses send, spend, and receive funds across borders. Nium’s goal is to make the movement of money seamless through being a universal plug for financial services. The company uses agile, elegant, and modular solutions for complex business problems. Be it an Individual, new-age digital bank, or a traditional industry behemoth, Nium prides itself on creating financial infrastructure for every level of sophistication. Nium’s key solutions: • Pay-ins • Pay-outs • Card issuance • Banking-as-a-service • Crypto-as-a-service We are a global leader in B2B modern money movement • Launched the world’s first global platform for crypto-as-a-service • $280M Funding • Series D • $2B Valuation o 130+M End customers o 190+ Payout markets o 100+ Supported currencies • Named on CB Insight’s Fintech 250 List • Financial Times’ List of Asia-Pacific High-Growth Companies 2021 • Fintech Employer of the Year’ at the 2021 Singapore Fintech Festival • Best B2B Payment Platform’ at the 2021 Future Digital Awards

Why Work With Us

We, at Nium, are on a mission to transform modern money movement. We are driven by our co-created values of "seek the simple", "make it better" and "win it together". These aren't just buzzwords; they're how we do business every day and owned by each and every employee at Nium. We create new rules and new possibilities for a world of open money.