As a Software Engineer at Bitdeer Technologies Group, you play a pivotal role in shaping the future of cloud-based solutions and optimizing mining operations. This position is critical for enhancing the efficiency and scalability of our services, directly impacting the user experience and overall business performance. You will engage with cutting-edge technologies and complex systems, collaborating with cross-functional teams to deliver innovative solutions that meet the dynamic needs of our customers and the rapidly evolving market landscape. Your contributions will extend beyond mere coding; you'll be involved in defining system architecture, ensuring high availability, and implementing robust security measures. Whether you are developing algorithms for optimizing resource allocation or enhancing the performance of our cloud infrastructure, your work will be crucial to maintaining our competitive edge. This role offers the opportunity to work on exciting projects that not only challenge your technical skills but also allow you to be a part of a forward-thinking organization that is redefining the future of cloud technology.
Resume Screening
reportedInitial review of candidate resumes to assess qualifications and fit.
What to demonstrate
- Initial review of candidate resumes to assess qualifications and fit
- Depth in System Design
How to prepare
- Be able to walk your CV end to end in two minutes, and say why this company specifically.
- Have your salary expectations, notice period and location constraints ready, and ask for the rest of the loop in writing.
Initial Screening Call
reportedA preliminary call to discuss the candidate's background and interest in the role.
What to demonstrate
- A preliminary call to discuss the candidate's background and interest in the role
- Depth in System Design
How to prepare
- Be able to walk your CV end to end in two minutes, and say why this company specifically.
- Have your salary expectations, notice period and location constraints ready, and ask for the rest of the loop in writing.
Technical Assessments
reportedInterviews that may include coding challenges or system design discussions.
What to demonstrate
- Interviews that may include coding challenges or system design discussions
- Depth in System Design
How to prepare
- Answer aloud and timed: Discuss your experience with designing high-availability systems.
- Answer aloud and timed: Design a system that can handle real-time data processing for a mining operation.
Team Member Interviews
reportedOpportunities to meet with various team members to learn about the company culture.
What to demonstrate
- Opportunities to meet with various team members to learn about the company culture
- Depth in System Design
How to prepare
- Answer aloud and timed: How would you approach designing a distributed cache system?
- Answer aloud and timed: Describe how you would implement a microservices architecture for a SaaS application.
PracHub editorial advice for the preparation topics above.
Going into the loop without having done this.
Practice coding under time constraints: Given the emphasis on coding interviews, practice solving problems within a limited timeframe to simulate the interview environment.
Going into the loop without having done this.
Understand the company’s products and services: Familiarize yourself with Bitdeer Technologies Group’s offerings. This knowledge can help you tailor your answers to show how your skills align with their needs.
Going into the loop without having done this.
Communicate your thought process: During technical interviews, articulate your reasoning clearly as you solve problems. This can provide insight into your problem-solving approach.
Going into the loop without having done this.
Prepare questions for your interviewers: Showing curiosity about the team and company culture can help establish rapport and demonstrate your genuine interest.
Choose a category, try a prompt, then open its approach, worked solution or follow-up when you need it.
How does garbage collection work in Golang, and what are its trade-offs?
How does garbage collection work in Golang, and what are its trade-offs?
Approach
- Say what the runtime actually does before reasoning about the code.
- Name what is shared across threads and what owns each piece of state.
- Identify the window where an invariant is briefly untrue.
- Distinguish a value from a reference to it, and say which one you handed out.
Follow-up
- What happens if two callers reach this at the same time?
- Where could this allocate more than you expect?
Implement a function to find the longest substring without repeating characters.
Implement a function to find the longest substring without repeating characters.
Approach
- Restate the input: its shape, its size, and what is guaranteed about it.
- Name the brute-force solution and its complexity before improving on it.
- Choose the data structure from the access pattern, not from familiarity.
- State the target complexity and say which constraint rules the naive version out.
Follow-up
- How does this change if the input no longer fits in memory?
- What is the worst case, and how likely is it on real data?
Write a program to merge two sorted linked lists.
Write a program to merge two sorted linked lists.
Approach
- Restate the input: its shape, its size, and what is guaranteed about it.
- Name the brute-force solution and its complexity before improving on it.
- Choose the data structure from the access pattern, not from familiarity.
- State the target complexity and say which constraint rules the naive version out.
Follow-up
- How does this change if the input no longer fits in memory?
- What is the worst case, and how likely is it on real data?
Solve a problem involving dynamic programming, such as the knapsack problem.
Solve a problem involving dynamic programming, such as the knapsack problem.
Approach
- Restate the input: its shape, its size, and what is guaranteed about it.
- Name the brute-force solution and its complexity before improving on it.
- Choose the data structure from the access pattern, not from familiarity.
- State the target complexity and say which constraint rules the naive version out.
Follow-up
- How does this change if the input no longer fits in memory?
- What is the worst case, and how likely is it on real data?
How would you implement a binary search algorithm?
How would you implement a binary search algorithm?
Approach
- Restate the input: its shape, its size, and what is guaranteed about it.
- Name the brute-force solution and its complexity before improving on it.
- Choose the data structure from the access pattern, not from familiarity.
- State the target complexity and say which constraint rules the naive version out.
Follow-up
- How does this change if the input no longer fits in memory?
- What is the worst case, and how likely is it on real data?
Write code to check if a binary tree is balanced.
Write code to check if a binary tree is balanced.
Approach
- Restate the input: its shape, its size, and what is guaranteed about it.
- Name the brute-force solution and its complexity before improving on it.
- Choose the data structure from the access pattern, not from familiarity.
- State the target complexity and say which constraint rules the naive version out.
Follow-up
- How does this change if the input no longer fits in memory?
- What is the worst case, and how likely is it on real data?
What steps would you take to optimize a slow-running SQL query?
What steps would you take to optimize a slow-running SQL query?
Approach
- Name the grain you start from and join outward from it.
- Check whether any join is one-to-many before aggregating, or the sums inflate.
- Say which index the query would use, and what makes it unusable.
- Handle the rows that do not match: that is usually the actual question.
Follow-up
- How does the query change if that join becomes one-to-many?
- What happens to this when the table is ten times larger?
Replace offset paging on the resource feed with keyset
resource holds resource_id, tenant_id, owner_user_id, title, body_ref, version, status ('draft','active','archived','deleted'), created_at, updated_at, deleted_at, with an index on (tenant_id, status, updated_at DESC, resource_id DESC). The listing endpoint returns active resources for one tenant, newest update first, 50 per page, today with LIMIT 50 OFFSET n. Tenants reach page 400 and rows are created while they read. Write the keyset query, define what the cursor carries and how it is encoded, and say which part of the index each predicate uses. Assume PostgreSQL 16.
Approach
- Name the two failures separately. OFFSET 20000 makes the server produce and discard 20,000 rows, so page cost grows with depth rather than with page size. Independently, any write that changes how many rows sort above the offset moves the window between two fetches, and the direction decides which anomaly you get: an insert lands at the head of updated_at DESC and pushes already-returned rows down past the boundary, so they are returned a second time; a delete above the offset, or a row whose updated_at is bumped above the cursor, pulls rows up and one is never returned at all. Nothing in the response reveals either.
- Write the seek: WHERE tenant_id = $1 AND status = 'active' AND (updated_at, resource_id) < ($2, $3) ORDER BY updated_at DESC, resource_id DESC LIMIT 50. The row-value comparison is one index range rather than a disjunction, and both columns are NOT NULL, which is what makes that comparison well defined.
- Map each predicate onto the index: tenant_id and status are equality on the leading columns, (updated_at, resource_id) is the range, and the ORDER BY matches the index order so no Sort node appears and the scan stops after 50 rows. The DESC in the definition only matters for mixed directions — a plain ascending btree on the same columns is read backwards for this query.
- Put both sort columns in the cursor and nothing the client can tamper with into another tenant: base64 of (updated_at, resource_id), validated server-side, with tenant_id taken from the principal.
Follow-up
- The client asks for 'jump to page 400'. What do you offer instead, and what does the honest version cost?
- Sort order becomes user-selectable across four columns. How many indexes is that, and which would you refuse to add?
Explain the CAP theorem and its implications in distributed systems.
Explain the CAP theorem and its implications in distributed systems.
Approach
- Fix the scope first: who calls this, how often, and what they do when it fails.
- Name the read and write paths separately; they rarely have the same bottleneck.
- Choose a partition key and say what query it makes expensive.
- State the consistency you need, and where you are willing to be stale.
Follow-up
- What breaks first when traffic grows ten times?
- How does this behave when that dependency is down for an hour?
Describe the differences between relational and non-relational databases, and when you would use each.
Describe the differences between relational and non-relational databases, and when you would use each.
Approach
- Clarify what is being asked and what a complete answer contains.
- State your assumptions explicitly before working the problem.
- Say what you would check first and why it is the highest-information step.
- Work from the requirement backwards to the design.
Follow-up
- What assumption would you test first?
- How would you know your answer was wrong?
Can you explain how a Kafka message queue works and its advantages in system design?
Can you explain how a Kafka message queue works and its advantages in system design?
Approach
- Fix the scope first: who calls this, how often, and what they do when it fails.
- Name the read and write paths separately; they rarely have the same bottleneck.
- Choose a partition key and say what query it makes expensive.
- State the consistency you need, and where you are willing to be stale.
Follow-up
- What breaks first when traffic grows ten times?
- How does this behave when that dependency is down for an hour?
Design a system that can handle real-time data processing for a mining operation.
Design a system that can handle real-time data processing for a mining operation.
Approach
- Fix the scope first: who calls this, how often, and what they do when it fails.
- Name the read and write paths separately; they rarely have the same bottleneck.
- Choose a partition key and say what query it makes expensive.
- State the consistency you need, and where you are willing to be stale.
Follow-up
- What breaks first when traffic grows ten times?
- How does this behave when that dependency is down for an hour?
How would you approach designing a distributed cache system?
How would you approach designing a distributed cache system?
Approach
- Fix the scope first: who calls this, how often, and what they do when it fails.
- Name the read and write paths separately; they rarely have the same bottleneck.
- Choose a partition key and say what query it makes expensive.
- State the consistency you need, and where you are willing to be stale.
Follow-up
- What breaks first when traffic grows ten times?
- How does this behave when that dependency is down for an hour?
Describe how you would implement a microservices architecture for a SaaS application.
Describe how you would implement a microservices architecture for a SaaS application.
Approach
- Fix the scope first: who calls this, how often, and what they do when it fails.
- Name the read and write paths separately; they rarely have the same bottleneck.
- Choose a partition key and say what query it makes expensive.
- State the consistency you need, and where you are willing to be stale.
Follow-up
- What breaks first when traffic grows ten times?
- How does this behave when that dependency is down for an hour?
What considerations would you take into account for security in a cloud-based application?
What considerations would you take into account for security in a cloud-based application?
Approach
- Fix the scope first: who calls this, how often, and what they do when it fails.
- Name the read and write paths separately; they rarely have the same bottleneck.
- Choose a partition key and say what query it makes expensive.
- State the consistency you need, and where you are willing to be stale.
Follow-up
- What breaks first when traffic grows ten times?
- How does this behave when that dependency is down for an hour?
Outline the steps you would take to ensure scalability in a system under heavy load.
Outline the steps you would take to ensure scalability in a system under heavy load.
Approach
- Fix the scope first: who calls this, how often, and what they do when it fails.
- Name the read and write paths separately; they rarely have the same bottleneck.
- Choose a partition key and say what query it makes expensive.
- State the consistency you need, and where you are willing to be stale.
Follow-up
- What breaks first when traffic grows ten times?
- How does this behave when that dependency is down for an hour?
You are given a performance issue in a cloud application. How would you diagnose and address it?
You are given a performance issue in a cloud application. How would you diagnose and address it?
Approach
- Clarify what is being asked and what a complete answer contains.
- State your assumptions explicitly before working the problem.
- Say what you would check first and why it is the highest-information step.
- Work from the requirement backwards to the design.
Follow-up
- What assumption would you test first?
- How would you know your answer was wrong?
If tasked with improving the performance of an existing system, what metrics would you consider?
If tasked with improving the performance of an existing system, what metrics would you consider?
Approach
- Clarify what is being asked and what a complete answer contains.
- State your assumptions explicitly before working the problem.
- Say what you would check first and why it is the highest-information step.
- Work from the requirement backwards to the design.
Follow-up
- What assumption would you test first?
- How would you know your answer was wrong?
How would you evaluate the trade-offs between different architectural choices?
How would you evaluate the trade-offs between different architectural choices?
Approach
- Fix the scope first: who calls this, how often, and what they do when it fails.
- Name the read and write paths separately; they rarely have the same bottleneck.
- Choose a partition key and say what query it makes expensive.
- State the consistency you need, and where you are willing to be stale.
Follow-up
- What breaks first when traffic grows ten times?
- How does this behave when that dependency is down for an hour?
Describe how you would approach debugging a distributed application.
Describe how you would approach debugging a distributed application.
Approach
- Establish what changed and when, before forming any theory.
- Pick a bisection that eliminates candidates whichever way it turns out.
- Check the instrumentation before believing the symptom.
- Separate the trigger from the cause; the deploy is rarely the bug.
Follow-up
- What would you look at first, and what would it rule out?
- How would you tell a cause from a coincidence here?
Built from the rounds and topics Bitdeer Technologies Group candidates report.
Prepare, practise & reflect
One practical outcome each day. Spend longer where you need it.
0 / 7 done01Map the Bitdeer Technologies Group loop
- Write out the reported sequence: Resume Screening, Initial Screening Call, Technical Assessments, Team Member Interviews.
- For each round, write one sentence on what it is judging, from the description above, and mark the one you are least ready for.
Deliverable: A one-page map of the 4 reported rounds, with the weakest marked.
02Work System Design
- Spend the session on System Design, which Bitdeer Technologies Group candidates report being tested on.
- Write one worked example in System Design and time yourself on it.
Deliverable: One timed worked example in System Design.
03Work Cloud Computing
- Spend the session on Cloud Computing, which Bitdeer Technologies Group candidates report being tested on.
- Write one worked example in Cloud Computing and time yourself on it.
Deliverable: One timed worked example in Cloud Computing.
04Work Coding Challenges / Algorithmic Problem Solving
- Spend the session on Coding Challenges / Algorithmic Problem Solving, which Bitdeer Technologies Group candidates report being tested on.
- Write one worked example in Coding Challenges / Algorithmic Problem Solving and time yourself on it.
Deliverable: One timed worked example in Coding Challenges / Algorithmic Problem Solving.
05Answer out loud: Technical / Domain Questions
- Answer aloud, timed: Explain the CAP theorem and its implications in distributed systems.
- Answer aloud, timed: How does garbage collection work in Golang, and what are its trade-offs?
Deliverable: Spoken answers to 2 reported Technical / Domain Questions question(s), under time.
06Answer out loud: System Design / Architecture
- Answer aloud, timed: Design a system that can handle real-time data processing for a mining operation.
- Answer aloud, timed: How would you approach designing a distributed cache system?
Deliverable: Spoken answers to 2 reported System Design / Architecture question(s), under time.
07Answer out loud: Behavioral / Leadership
- Answer aloud, timed: Describe a challenging project you worked on and how you overcame obstacles.
- Answer aloud, timed: How do you prioritize tasks when working on multiple projects?
Deliverable: Spoken answers to 2 reported Behavioral / Leadership question(s), under time.
Expand any day for tasks and deliverables. Your progress is saved on this device.
Behavioural rounds judge the decision you made and what it cost.
Discuss your experience with designing high-availability systems.
Discuss your experience with designing high-availability systems.
Approach
- Pick a story where you made the decision, not one where you watched it.
- State the situation in two sentences and spend the rest on the reasoning.
- Give the blast radius: what could have broken, and what you measured.
- Name the disagreement and how you resolved it with evidence.
Follow-up
- What would you do differently if you ran that again?
- How did you know your change caused the improvement?
Describe a challenging project you worked on and how you overcame obstacles.
Describe a challenging project you worked on and how you overcame obstacles.
Approach
- Pick a story where you made the decision, not one where you watched it.
- State the situation in two sentences and spend the rest on the reasoning.
- Give the blast radius: what could have broken, and what you measured.
- Name the disagreement and how you resolved it with evidence.
Follow-up
- What would you do differently if you ran that again?
- How did you know your change caused the improvement?
How do you prioritize tasks when working on multiple projects?
How do you prioritize tasks when working on multiple projects?
Approach
- Pick a story where you made the decision, not one where you watched it.
- State the situation in two sentences and spend the rest on the reasoning.
- Give the blast radius: what could have broken, and what you measured.
- Name the disagreement and how you resolved it with evidence.
Follow-up
- What would you do differently if you ran that again?
- How did you know your change caused the improvement?
Give an example of a time you had to collaborate with a difficult team member.
Give an example of a time you had to collaborate with a difficult team member.
Approach
- Pick a story where you made the decision, not one where you watched it.
- State the situation in two sentences and spend the rest on the reasoning.
- Give the blast radius: what could have broken, and what you measured.
- Name the disagreement and how you resolved it with evidence.
Follow-up
- What would you do differently if you ran that again?
- How did you know your change caused the improvement?
What motivates you to succeed in a technical environment?
What motivates you to succeed in a technical environment?
Approach
- Pick a story where you made the decision, not one where you watched it.
- State the situation in two sentences and spend the rest on the reasoning.
- Give the blast radius: what could have broken, and what you measured.
- Name the disagreement and how you resolved it with evidence.
Follow-up
- What would you do differently if you ran that again?
- How did you know your change caused the improvement?
How do you handle feedback on your code or designs?
How do you handle feedback on your code or designs?
Approach
- Pick a story where you made the decision, not one where you watched it.
- State the situation in two sentences and spend the rest on the reasoning.
- Give the blast radius: what could have broken, and what you measured.
- Name the disagreement and how you resolved it with evidence.
Follow-up
- What would you do differently if you ran that again?
- How did you know your change caused the improvement?
- 01
Discuss your experience with designing high-availability systems.
- 02
Describe a challenging project you worked on and how you overcame obstacles.
- 03
How do you prioritize tasks when working on multiple projects?
- 04
Give an example of a time you had to collaborate with a difficult team member.
How difficult are the interviews, and how much preparation time is typical?
The interviews at Bitdeer Technologies Group can be challenging, particularly the technical assessments. Candidates typically spend several weeks preparing, focusing on system design and coding problems.
Bitdeer Technologies Group Software Engineer candidate reports ↗What differentiates successful candidates?
Successful candidates demonstrate a strong technical foundation, effective problem-solving skills, and the ability to communicate clearly. Showing a good cultural fit and alignment with company values also plays a crucial role.
Bitdeer Technologies Group Software Engineer candidate reports ↗What is the culture and working style like at Bitdeer Technologies Group?
The culture at Bitdeer Technologies Group is collaborative and innovative. Employees are encouraged to share ideas, experiment with new technologies, and work closely with cross-functional teams to achieve common goals.
Bitdeer Technologies Group Software Engineer candidate reports ↗What is the typical timeline from initial screen to offer?
The timeline can vary, but candidates can expect the process to take around 4-6 weeks, depending on scheduling and team availability.
Bitdeer Technologies Group Software Engineer candidate reports ↗Are there remote work options available?
Bitdeer Technologies Group offers flexible work arrangements, including remote work options, depending on the team and role.
Bitdeer Technologies Group Software Engineer candidate reports ↗How hard is the Bitdeer Technologies Group interview?
Candidates most commonly rate Bitdeer Technologies Group interviews as medium, based on 19 reported interviews.
Bitdeer Technologies Group Software Engineer candidate reports ↗What topics does Bitdeer Technologies Group test in interviews?
Bitdeer Technologies Group interviews most often cover Cloud Computing, Performance Engineering, Platform Engineering, Distributed Systems Concepts, and Distributed Systems. The exact emphasis depends on the specific role you apply for.
Bitdeer Technologies Group Software Engineer candidate reports ↗Where is Bitdeer Technologies Group headquartered?
Bitdeer Technologies Group is headquartered in Singapore, Singapore.
Bitdeer Technologies Group Software Engineer candidate reports ↗Sources & methodology 3 sources ↗
Official role evidence, timestamped platform data and clearly labeled preparation advice.
- 01Bitdeer Technologies Group Software Engineer candidate reports ↗
Company-reported rounds, questions and FAQ.
candidate · Accessed 2026-09-22 - 02PracHub Software Engineer practice ↗
PracHub practice material, not company-reported.
platform · Accessed 2026-09-22 - 03PracHub preparation framework ↗
PracHub preparation guidance.
platform · Accessed 2026-09-22
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