Senior Software Engineer

Next Ventures; New York (NY); On-site; USD 140,000 - 190,000; Full time

Job summary

Next Ventures, a technology-driven firm in New York, seeks a Senior Backend Engineer to build secure, scalable services for digital assets and financial workflows in a cloud-native environment. You will own design decisions and collaborate with cross-functional teams to deliver robust systems.

The role demands 7+ years of experience, strong CS fundamentals, and expertise in Java or similar languages. You will contribute to high-throughput, low-latency platforms with a focus on reliability and

Qualifications

• 7+ years of professional software engineering experience.
• Strong foundation in computer science fundamentals and system design.
• Proven experience designing and building scalable backend systems.
• Expertise in Java, Scala, Kotlin, C#, or similar (Java preferred).
• Deep understanding of object-oriented programming principles.
• Experience with full development lifecycle, Agile environments, and production systems.
• Strong communication and collaborative mindset.

Responsibilities

• Design and architect scalable backend services on a cloud-native platform with focus on automation, reliability, and security.
• Build and enhance systems for transaction processing and asset inventory management.
• Develop and maintain staking and workflow management systems for digital assets.
• Collaborate with teams supporting trading, lending, settlement, frontend apps, and infrastructure.
• Contribute to system design decisions and architecture for high-throughput, low-latency environments.
• Participate in full SDLC from design through deployment and production support.

Skills

Backend design

Cloud-native platform

Distributed systems

Java

Scala

Kotlin

C#

Agile

Tools

Kafka

RabbitMQ

Docker

Kubernetes

AWS

Azure

GCP

Job description

Senior Backend Engineer

Location: New York, NY

Overview

We are a technology-driven organization operating at the intersection of financial services and digital assets, building infrastructure that supports institutional-grade platforms. Our team focuses on developing secure, scalable systems that power the management, movement, and growth of both fiat and digital assets.

We are looking for a Senior Backend Engineer to join a New York-based engineering team responsible for building and maintaining systems that support custody, staking, and asset management workflows within a high-performance, cloud-native environment.

What You’ll Do

• Design and architect scalable backend services on a cloud-native platform, with a focus on automation, reliability, and security
• Build and enhance systems responsible for transaction processing and asset inventory management
• Develop and maintain staking and workflow management systems for digital assets
• Collaborate cross-functionally with teams supporting trading, lending, settlement, frontend applications, and infrastructure
• Contribute to system design decisions and help shape architecture for high-throughput, low-latency environments
• Participate in the full software development lifecycle, from design through deployment and production support

What We’re Looking For

• 7+ years of professional software engineering experience
• Strong foundation in computer science fundamentals and system design
• Proven experience designing and building scalable backend systems
• Expertise in one or more of the following: Java, Scala, Kotlin, C#, or similar (Java preferred)
• Deep understanding of object-oriented programming principles
• Experience working across the full development lifecycle, including agile environments and production systems
• Strong communication skills and a collaborative mindset
• Attention to detail and a strong sense of ownership over system quality and performance

Nice to Have

• Experience with messaging systems (e.g., Kafka, RabbitMQ)
• Familiarity with containerization technologies (Docker, Kubernetes)
• Experience with cloud platforms (AWS, Azure, or GCP)
• Background in financial services, fintech, or digital assets
• Understanding of asynchronous or reactive programming models
• Familiarity with event-driven architectures and domain-driven design
• Knowledge of concurrency and multi-threading concepts, particularly in Java

Work Environment

• Based in New York City
• Collaborative, fast-paced environment focused on building high-impact financial technology systems