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Open nowPosted 9 hours ago

#138512 - Backend Software Engineer - Payments

Lifted, an Upwork Company™222 open roles

Where
Bengaluru, KA, India, Remote
Work mode
Remote
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Your applicationOpen now#138512 - Backend Software Engineer - PaymentsLifted, an Upwork Company™ · Bengaluru, KA, India, Remote

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The clock on this job

Early applications get read.

8.5% of postings close within 7 days. Measured by our own scanner across the market. Lifted, an Upwork Company™ postings stay open a median of 4 days.

Share of postings closed within
  1. 1.8%1 day
  2. 4.0%3 days
  3. 8.5%7 days
  4. 15.4%14 days
  5. 34.1%30 days
This job: posted 9 hours ago

Lifted, an Upwork Company™ median: 4 days open

The posting

Job Description

We are seeking a backend software engineer for a remote contract engagement building and operating scalable, revenue-critical payment infrastructure. You will deliver payment features, reduce technical debt, and modernize services while collaborating with engineers, product managers, and partner teams.

Enterprise experience strongly preferred.

Key Responsibilities

- Implement production backend features for payment flows.

- Refactor legacy services, improve test coverage, and modernize APIs, including migrations from deprecated APIs.

- Deliver clean, well-tested, production-ready code with passing CI/CD pipelines and peer-review approval.

- Deliver initiatives within agreed sprint cycles and participate in code reviews, design discussions, and sprint ceremonies.

- Clarify requirements with product managers and partner teams and deliver end-to-end solutions.

- Produce designs, API specifications, knowledge-transfer documentation, and runbooks for owned workstreams.

- Support maintainability and a smooth handoff to the engineering team at the conclusion of the engagement.

Qualifications

Must-Have Skills

- 3+ years of backend software engineering experience.

- Experience building and operating production backend services at scale.

- Strong proficiency in Java as the primary programming language, with Kotlin and Python as complementary skills.

- Hands-on experience with RESTful and GraphQL APIs, microservices, and event-driven systems.

- Payments, fintech, or billing domain experience, including gateways, processors, or payment service providers.

- Experience writing unit, integration, and contract tests.

- Agile/Scrum experience with sprint-based delivery.

- Ability to ramp quickly on an existing codebase with minimal guidance.

- Git-based version control and code review using GitLab.

- Hands-on experience with GitLab CI/CD pipelines.

- Relational database experience with MySQL and SQL.

- Distributed systems experience with message queues, asynchronous processing, and eventual consistency.

- Jira experience for task and sprint tracking.

- Experience building end-to-end backend payment flows in production, including charges, refunds, disputes, and webhooks.

- Legacy service refactoring or migration experience with regression testing.

- Experience resolving production incidents in payment or billing systems.

- Experience designing internal APIs consumed by multiple downstream services.

- Ability to own feature delivery with minimal supervision and collaborate asynchronously with distributed, cross-functional teams.

Nice-to-Have Skills

- Experience in a large enterprise engineering organization.

- Experience with Spring Boot, Gradle, and service mesh technologies.

- PCI-DSS compliance, payment security, or financial data handling experience.

- Experience with Datadog observability tooling.

- Open-source contributions or a portfolio of shipped payment features.

Additional Information

Required Tools & Platforms

- Java, with Kotlin and Python as complementary languages.

- RESTful and GraphQL APIs, microservices, and event-driven systems.

- Git, GitLab, and GitLab CI/CD.

- MySQL and SQL.

- Message queues and asynchronous processing systems.

- Jira.

Location, Time & Engagement

- Candidates must be based in India or a nearby eligible APAC location no more than two hours ahead of or behind India Standard Time (IST).

- IST support is required, preferably 10 AM to 7 PM IST.

- Remote contract engagement, 40 hours per week.

- Expected engagement through March 31, 2027; start date to be agreed.

- One opening is available.

- This is not currently a contract-to-hire opportunity.

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