About our client
Our customer is a leading, fully regulated US-based digital asset trading platform. They provide secure, low-latency access to cryptocurrency markets, acting as a bridge between traditional finance and the Web3 ecosystem.
About The Role
Our Senior Backend Software Engineer will be responsible for architecting, developing, and maintaining the high-performance backend services that power the core platform. Leveraging deep expertise in Java and distributed systems, you will collaborate with cross-functional teams to deliver secure, scalable solutions while exploring and integrating cutting-edge blockchain technologies.
Key Responsibilities
- Design, build, and maintain high-throughput backend services and APIs in Java.
- Drive architecture discussions to enhance system scalability, resiliency, and performance.
- Prioritize security and compliance as core aspects of service design and delivery.
- Collaborate with product, security, DevOps, and compliance teams on cross-functional initiatives.
- Mentor engineers and lead by example with high engineering standards and best practices.
- Research and prototype blockchain integration opportunities (e.g., node syncing, client tooling).
- Advocate for maintainable, modern infrastructure informed by industry best practices.
Required Qualifications
- Bachelor’s or Master’s degree in Computer Science or related field.
- At least 8 years of professional software engineering experience without a degree in Computer Science-related field , or at least 6 with an advanced degree in a different field.
- Strong communication skill and collaboration skills, motivation, problem solving mind set.
- Strong proficiency in Java and experience with modern frameworks and distributed systems.
- Experience with performance optimization (e.g., low-latency systems, microservices).
- Knowledge of security and compliance best practices in financial or regulated contexts.
- Interest or hands-on experience in blockchain, crypto infrastructure, or decentralized systems.
- Strong collaboration and mentorship skills in a fast-moving, cross-functional environment.
- Hands-on experience with BDs, async messaging (Kafka, RabbitMQ, etc.), CI/CD stack
NB: This role requires working hours that overlap with the West Coast (PST) time zone. Candidates are expected to follow the schedules below (Monday–Friday), based on their location:
- LATAM: 11:00 – 20:00
- Colombia: 09:00 – 18:00
- Europe (EET): 12:00 – 21:00
- Europe (CET): 11:00 – 20:00
Please note that alignment with these working hours is an essential requirement of the role.
We offer*:
- Flexible working format - remote, office-based or flexible
- A competitive salary and good compensation package
- Personalized career growth
- Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more)
- Active tech communities with regular knowledge sharing
- Education reimbursement
- Memorable anniversary presents
- Corporate events and team buildings
- Other location-specific benefits
*not applicable for freelancers
What We Do
N-iX is a global software solutions and engineering services company that helps world’s leading organizations turn challenges into lasting business value, operational efficiency, and revenue growth using advanced technology. Whether you need to build a custom solution, modernize your digital product or acquire extra tech expertise - we have the experience and capabilities to ensure your success. With over 2,000 professionals in 25 countries across Europe and the Americas, N-iX offers expert solutions in cloud, data analytics, embedded software, IoT, AI, machine learning, and other tech domains. Being in business for over two decades, we have worked with dozens of industry-leading enterprises and Fortune 500 companies creating value across a wide variety of sectors, including finance, manufacturing, supply chain, retail, e-commerce, healthcare, and more. Our unique combination of business domain expertise and technical know-how enables us to effectively collaborate with ISVs, tech companies, and enterprises of all sizes. Thanks to the strong tech ecosystem and partnerships with AWS, GCP, Microsoft, SAP, OpenText, Snowflake, and others, we bring extra speed, scale and efficiency to more than 160 organizations across the globe. N-iX is recognized by numerous industry awards, such as CRN Solution Provider 500, Global Outsourcing 100 by IAOP, ISG Provider Lens™, Modern Application Development services providers by Forrester, etc
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