SDE II - Backend

Reposted 2 Days Ago
Be an Early Applicant
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 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. 


 
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.  

Skills Required

  • 2-3 years of 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 and interpersonal skills
  • Ability to thrive in a collaborative environment

Nium Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Nium and has not been reviewed or approved by Nium.

  • Fair & Transparent Compensation Pay is considered market-competitive in certain tech and sales roles and higher‑paying geographies, with upside evident for specific functions and seniority. Signals of strong totals in U.S. engineering/product and top‑end sales support a generally favorable footing.
  • Healthcare Strength Company materials and external listings describe comprehensive health coverage and 24×7 assistance support aligned with a modern fintech package. These elements are positioned as core parts of the global offering.
  • Leave & Time Off Breadth Generous parental leave, standard PTO, and a company‑wide year‑end shutdown expand time‑off support beyond basics. Public career materials and job ads consistently reference these components.

Nium Insights

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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.

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