Kalibrr’s mission is to help transform the way organizations hire great talents, and talents find meaningful career opportunities. Through our portfolio of technologies and services, we’re building a company that connects millions of individuals with world-class businesses, that helps forge strong recruiter - candidate relationships, and ultimately humanizes the entire hiring and career discovery experience. 

Whether we’re launching new technologies to help companies hire better or strategic programs to help talents engage with employers more meaningfully - people at Kalibrr are optimists at heart. We believe in our ability to continuously improve the value we can deliver and the impact we can create - one opportunity, one individual at a time. Together, we are powering innovation in SE Asia, by enabling ground-breaking organizations in the region to work with exceptional individuals.


Kalibrr 

Role Overview 
We’re looking for a Backend Engineer to help maintain and improve the reliability of Kalibrr Indonesia’s platform. In this role, you’ll work on backend services, distributed systems, and data infrastructure that power core product features.

You’ll be working with Python-based services, asynchronous workers, and data pipelines involving Apache Kafka, Elasticsearch, and PostgreSQL. The work includes improving system stability, optimizing backend processes, and helping the team gradually modernize parts of the platform.

This role is a great fit for engineers who enjoy debugging real production systems, improving large codebases, and working with backend infrastructure at scale.

Key Responsibilities 
1. Backend Services Development

<ul>
	<li>Build and maintain backend services using Python.</li>
	<li>Design and improve REST APIs used by internal and external systems.</li>
	<li>Help improve code quality, maintainability, and test coverage.</li>
	<li>Participate in code reviews and technical discussions with the team.</li>
</ul>

2. Distributed Systems &amp; Data Pipelines

<ul>
	<li>Work with event-driven systems powered by Apache Kafka.</li>
	<li>Support asynchronous workers and backend processes handling large-scale data operations.</li>
	<li>Troubleshoot and improve data pipelines and background processing systems.</li>
	<li>Ensure services interact reliably across the platform.</li>
</ul>

3. Search &amp; Data Systems

<ul>
	<li>Support search and indexing infrastructure powered by Elasticsearch.</li>
	<li>Work with PostgreSQL databases to troubleshoot queries and improve performance.</li>
	<li>Help improve data structures and resolve data inconsistencies.</li>
	<li>Support backend jobs and data-related operations.</li>
</ul>

4. Platform Reliability &amp; Production Support

<ul>
	<li>Help investigate and resolve production incidents or performance issues.</li>
	<li>Debug problems related to workers, streaming pipelines, or distributed services.</li>
	<li>Work with infrastructure teams to keep systems stable and running smoothly.</li>
	<li>Contribute improvements that reduce operational risks and technical debt.</li>
</ul>

Tech Stack 
Backend: Python 
Data: PostgreSQL, Elasticsearch 
Messaging &amp; Streaming: Apache Kafka 
Caching &amp; Background Workers: Redis 
Infrastructure: Docker, Kubernetes, Linux-based environments

This test unit measures the ability to identify patterns and inconsistencies in visual representations of data

With the vast information employees need to process and retain every day, attention to detail becomes a critical skill to have because of the efficiency it gives. Also, because thorough employees have more initiative to understand the cause and not just the effect, they do less of the unnecessary rework and produce more complete output. This test measures ability to identify patterns and inconsistencies in visual representations of data.

Attention to Detail

Everyday business communication and other important transactions are completed efficiently with office computer applications, email, and the internet. Computers in the workplace have reduced cost and time in processing tasks. Hiring employees with working knowledge of computers is the current standard. This test assesses basic knowledge of computer operations, hardware and web proxies.

Everyday communication and other important business transactions are done more efficiently with office applications, email, and the internet. Undeniably, computers in the workplace have reduced cost and time in the completion of tasks. Hiring employees with a working knowledge of computers now has become a standard. This test helps gauge knowledge in computer operations, hardware and web proxies. 

Target Candiates: IT Staff, Technical Support Staff, BPO agents

Target Industries: BPO, all industries that have IT unit

General Computer Knowledge

This test unit measures the ability to use inductive and deductive reasoning to draw logical conclusions from a given set of statements

Decisions are made every day from easy to more complex ones. Using a scientific approach to analyzing root-cause and finding results enable employees to work more independently. Logical reasoning also provides a foundation for experimentation which encourages insights and helps in the creation of new business opportunites. This test measures ability to use inductive and deductive reasoning to draw conclusions.

Logical Reasoning

Senior Backend Engineer Associate

PT MSBU Konsultan Indonesia (MSBU Konsultan) was founded in 2019 as an on-demand IT staffing and headhunting service specialist. Our competitive advantage lies in our SLA commitment, ‘Client & Candidate Success’ orientation, and our recruitment model powered by Crowdsourcing Ecosystem has been proven through our track record in filling the most challenging IT positions for both startup and large enterprise clients.

MSBU Konsultan Indonesia

Develop features and improvements to the products in a secure, well-tested and performant way 

Craft code that meets our internal standards for style, maintainability, and best practices for a high-scale web environment. Maintain and advocate for these standards through code review. 

Advocate for improvements to product quality, security, and performance 

Solve technical problems of moderate scope and complexity 

Confidently ship small features and improvements with minimal guidance and support from other team members 

Operate in an iterative mindset, focused on delivering improvements and value at high velocity 

Work collaboratively with Product team members and Development team members to maintain high bar for quality in a fast-paced and iterative environment 

Stay up-to-date on emerging technologies 

Advocate for improvements to product quality, security, and performance 

Solve technical problems of moderate scope and complexity Confidently ship small features 

Design, develop, and maintain scalable backend services and REST/GraphQL APIs. 

Collaborate with the squad (frontend, mobile, QA, and product teams) to implement and deliver features. 

Ensure code quality through best practices, including testing, code reviews, and documentation. 

Optimize database queries and backend performance. 

Identify and resolve bugs, bottlenecks, or other technical issues. 

Report technical progress, blockers, and improvement ideas directly to the Squad Lead.

Golang Developer

Cetta is an online language academy run by young Indonesians with an interactive and inclusive learning system. We are on a mission to make Indonesian as an actual World Citizen. Cetta provides a synchronous online language Academy since 2020. Currently offers 6 language courses including English, Japanese, Mandarin, Korean, French, and German with more languages to cover in the future.

Cetta Online Class

<ul>
	<li>Maintained accurate and up-to-date financial records, projections, and suggestions, including transactions, invoices, receipts, and expenses systematically.</li>
	<li>Create and maintain student attendance data.</li>
	<li>Cross-reference the salary slip with the prescribed formats.</li>
	<li>Prepare financial budget forecasts.</li>
	<li>Reconcile daily, monthly, and yearly transactions.</li>
	<li>Develop and manage financial reports</li>
</ul>

Finance Officer

As a B2B Marketing Junior Associate, you will get to work on actual marketing campaigns and strategies that will impact the company. We will provide you an exciting and comprehensive experience where you will work and learn constantly as a member of the marketing team. We are looking for creative and driven individuals who can roll up their sleeves and get the job done. If you want to build a strong foundation in marketing and communications, then you’re exactly the B2B Marketing Junior Associate we’re looking for!

<ul>
	<li>Help to assist in planning, implementation, marketing channels - social media, email marketing, partnerships.</li>
	<li>Manage timeline &amp; execution for sponsorships and partnerships events such as webinars, etc.</li>
	<li>Develop social media campaigns that capitalize on current trends, ideas, and memes while also considering the needs of the company</li>
	<li>Qualifying inbound leads</li>
	<li>Contribute to content creation for the company’s social media accounts and blogs</li>
	<li>Provide necessary support across the marketing team as needed</li>
	<li>Flexible Work From Home</li>
</ul>

B2B Marketing Junior Associate

As a Commercial Junior Associate, you will get to work on actual marketing campaigns and strategies that will impact the company. We will provide you an exciting and comprehensive experience where you will work and learn constantly as a member of the marketing team. We are looking for creative and driven individuals who can roll up their sleeves and get the job done. If you want to build a strong foundation in marketing and communications, then you’re exactly the Commercial Associate we’re looking for!

<ul>
	<li>Help to assist in planning, implementation, marketing channels - social media, email marketing, partnerships.</li>
	<li>Manage timeline &amp; execution for sponsorships and partnerships events such as webinars, etc.</li>
	<li>Develop social media campaigns that capitalize on current trends, ideas, and memes while also considering the needs of the company</li>
	<li>Qualifying inbound leads</li>
	<li>Contribute to content creation for the company’s social media accounts and blogs</li>
	<li>Provide necessary support across the marketing team as needed</li>
	<li>Flexible Work From Home</li>
</ul>

Commercial Junior Associate

<ul>
	<li>Develop and run marketing strategies to boost brand visibility, engagement, and student enrollment.</li>
	<li>Lead and coordinate the Marketing team to ensure alignment with company goals.</li>
	<li>Set clear targets for each marketing division, provide guidance, and ensure smooth teamwork.</li>
	<li>Plan, execute, and oversee marketing campaigns, then monitor, analyze, and report the results.</li>
	<li>Manage the marketing budget effectively and efficiently according to allocated resources.</li>
	<li>Work closely with the operations and support teams to meet marketing needs and ensure smooth execution.</li>
	<li>Handle initial contact for corporate/government sales before handing over to the operational team.</li>
	<li>Conduct market research and analyze consumer trends to support marketing strategies.</li>
	<li>Build and maintain relationships with media partners, vendors, and external marketing agents.</li>
	<li>Ensure all campaigns follow regulations and protect the company’s image and reputation.</li>
</ul>

Kalibrr Job Search

Senior Backend Engineer Associate

Golang Developer

Finance Officer

B2B Marketing Junior Associate

Commercial Junior Associate

Marketing Manager