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# Backend Java Engineer – Kazakhstan/Russian speaker (6 months Contract)

Review the role, location requirements, compensation details, and application process before deciding whether this opportunity fits your next career move.

[Apply for this job](#job-application)[View company](https://jobicy.com/company/binance.md)Share29 Aug 2026Published44Listing views5Application actions29 Sep 2026Apply before  Opportunity details

## About this role.

AI SummaryThis six-month remote contract seeks a seasoned Backend Java Engineer to strengthen and evolve infrastructure and services supporting Binance Kazakhstan and BigPay Fiat operations. The role focuses on designing secure, highly available, scalable Java microservices and APIs, while improving capacity planning, operational reliability, and cost efficiency. The engineer will troubleshoot production issues, optimize system performance, and contribute throughout the full service lifecycle from architecture through deployment and refinement. Success requires at least seven years of backend engineering experience, strong Java/Spring Boot expertise, distributed-systems knowledge, and fluency in English plus Kazakh or Russian for external stakeholder collaboration.

## Role DNA

A quick view of the complexity, pace, ownership and collaboration implied by the job description.

### Job Complexity

5/5EasyHard

### Pace & Pressure

5/5RelaxedFast-paced

### Autonomy Level

4/5GuidedFull ownership

### Communication Load

4/5IndependentCollaborative

AI insightThis is a senior-level, business-critical backend role involving financial infrastructure, high availability, security, scalability, and production operations. The contractor must independently solve complex distributed-systems problems while coordinating with external Kazakhstan banking and government-related stakeholders.

## Salary analysis

Estimated compensation compared with the broader US market for similar roles.

Estimated job medianHighly competitive$160,000US market range$130k–$190k0$209k

AI insightNo salary range was provided. Based on the U.S. market, a senior Java backend engineer with 7+ years of experience in high-availability financial or blockchain systems typically commands an annualized base-equivalent range of approximately $130,000 to $190,000 USD; the estimated midpoint is $160,000 USD. A six-month contractor engagement may be priced at a higher hourly or monthly equivalent depending on location, benefits exclusion, and compliance requirements.

## Core skills

Skills and capabilities most closely associated with this opportunity.

[Java](https://jobicy.com/jobs?search_keywords=Java.md)[Spring Boot](https://jobicy.com/jobs?search_keywords=Spring%20Boot.md)[Backend Engineering](https://jobicy.com/jobs?search_keywords=Backend%20Engineering.md)[Microservices](https://jobicy.com/jobs?search_keywords=Microservices.md)[RESTful APIs](https://jobicy.com/jobs?search_keywords=RESTful%20APIs.md)[Kafka](https://jobicy.com/jobs?search_keywords=Kafka.md)[High Availability](https://jobicy.com/jobs?search_keywords=High%20Availability.md)[Distributed Systems](https://jobicy.com/jobs?search_keywords=Distributed%20Systems.md)[Linux](https://jobicy.com/jobs?search_keywords=Linux.md)[FinTech](https://jobicy.com/jobs?search_keywords=FinTech.md)

Sample interview questionsHow would you design a highly available Java service for fiat payment operations?I would begin by defining availability, latency, consistency, and recovery objectives. The service would run stateless across multiple availability zones behind load balancing, use resilient data storage with replication and tested failover, and implement idempotency for payment requests. I would add timeouts, retries with backoff, circuit breakers, observability, and disaster-recovery procedures to protect both customers and financial operations.

What approaches do you use to ensure safe processing of duplicate or retried financial transactions?

I use idempotency keys, durable request records, and transaction states that allow the system to recognize repeated requests without repeating the financial effect. Where asynchronous processing is involved, I use unique event identifiers, deduplication, and an outbox or similar reliable publishing pattern. Reconciliation processes and audit logs are also essential for identifying and correcting exceptions.

Describe how you would investigate a Java backend service that is experiencing elevated latency in production.

I would first validate the scope using dashboards for latency percentiles, error rates, traffic, CPU, memory, garbage collection, thread pools, database calls, and downstream dependencies. I would use distributed tracing and logs to isolate the slow path, then profile the application if needed to identify contention, inefficient queries, excessive allocation, or blocking I/O. After applying a targeted fix, I would load test it and monitor the production impact through a controlled rollout.

How do Kafka or RabbitMQ fit into a microservices architecture?

They decouple services and support asynchronous workflows such as payment events, notifications, reconciliation, and audit processing. I define message schemas, ownership, delivery expectations, retry and dead-letter handling, and consumer idempotency before implementation. I also monitor lag, throughput, failures, and ordering requirements so that operational issues are detected early.

How would you work with Kazakhstan banking or government stakeholders when technical and compliance needs change?

I would clarify the business and regulatory requirement, document assumptions and acceptance criteria, and translate the impact into a technical design and delivery plan. I would communicate status, risks, dependencies, and testing evidence in language appropriate for both technical and nontechnical participants, using Kazakh or Russian when required. Before release, I would ensure security, auditability, rollback planning, and stakeholder sign-off are addressed.

Binance is a leading global blockchain ecosystem behind the world’s largest cryptocurrency exchange by trading volume and registered users. We are trusted by 300+ million people in 100+ countries for our industry-leading security, user fund transparency, trading engine speed, deep liquidity, and an unmatched portfolio of digital-asset products. Binance offerings range from trading and finance to education, research, payments, institutional services, Web3 features, and more. We leverage the power of digital assets and blockchain to build an inclusive financial ecosystem to advance the freedom of money and improve financial access for people around the world.We are looking for a seasoned Software Backend Engineer to design and improve Kazakhstan Infrastructure/services to the next evolution.  To ensure Binance KZ services are reliable, fault-tolerant, efficiently scalable, and cost-effective. The ideal talent should have strong Backend Development experience. Must be able to speak Kazakh or Russian language to liaise and collaborate efficiently with Kazakhstan external stakeholders i.e. Banking parties, Government relations.  *100% Remote, Work from Home. This is a 6 months Contractor role to start off with.

## Responsibilities

* Design, develop, and maintain backend services and APIs for global products using Java.
* Build a high-performance, highly available, and secure backend system to provide robust support for BigPay Fiat business operations.
* Engage in and improve the whole lifecycle of service, from inception and design, through to deployment, operation, and refinement.
* Develop and maintain tools, re-designing capacity planning infrastructure for greater scalability.
* Troubleshooting, diagnosing, fixing software issues, and ensuring data security, and end-to-end system architecture.

## Requirements

* Minimum of 7 years of experience in software development and architecture.
* Strong expertise in Java and backend frameworks (e.g., Spring Boot, RESTful APIs)
* Experience with databases (SQL and/or NoSQL), messaging systems (e.g., Kafka, RabbitMQ), and microservices architecture
* In-depth understanding of Linux and computer networks.
* Experience in profiling, benchmarking and optimizing ML applications
* Ability to speak in English and Kazakhstan/Russian language is required to coordinate with external Kazakhstan business partners and stakeholders.
Middleware:* Java code development experience, preferably Apache open source project developers
* Experience in high availability, high performance, and resource optimization.

Why Binance• Shape the future with the world’s leading blockchain ecosystem• Collaborate with world-class talent in a user-centric global organization with a flat structure• Tackle unique, fast-paced projects with autonomy in an innovative environment• Thrive in a results-driven workplace with opportunities for career growth and continuous learning• Competitive salary and company benefits• Work-from-home arrangement (the arrangement may vary depending on the work nature of the business team)Binance is committed to being an equal opportunity employer. We believe that having a diverse workforce is fundamental to our success.By submitting a job application, you confirm that you have read and agree to our [Candidate Privacy Notice](https://www.binance.com/en/candidate/privacy/notice). Show more

[Apply now >](https://jobicy.com/jobs/152039-backend-java-engineer-kazakhstan-russian-speaker-6-months-contract.md)

>  Annual salary information is not provided for this position. Explore salary ranges for similar roles in our [Salary Directory ›](https://jobicy.com/salaries.md)

*

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