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Senior Product Engineer | Backend-Focused Job Opening In Singapore, Singapore – Now Hiring Optimal


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Community & Diversity Advocate | Global Tech Recruiter (350+ Hires) | Cross-Functional: Engineering • AI/ML • QE | BCS Committee Member | MoT…

Senior Product Engineer | Backend-Focused | FinTech SaaS

Location: London | Hybrid (2 days a week in the City)

Eligibility: Must have the right to work in the UK – no sponsorship available

Hybrid Policy: 2–3 days in the London office (flexible for exceptional candidates within ± 3 hours GMT)

We’re looking for engineers with early‑stage startup experience or those who have thrived in high‑velocity environments.

You should be comfortable shipping features and products quickly and iterating fast.

If you’re excited by pace, ownership, and impact, this role is for you.

Who Thrives Here

  • ✅ Engineers who love autonomy, ownership, and speed
  • ✅ Builders who want to make technical and product decisions daily
  • ✅ People who prefer action and iteration over meetings and process
  • ❌ Not ideal for those who prefer large organisations, narrow scopes, or slower‑paced environments

Optimal are partnering with a high‑growth, venture‑backed startup that’s redefining how modern tech companies manage and automate their financial workflows.

Backed by top‑tier investors and growing rapidly, this team is scaling its engineering function to meet global demand.

They’re building next‑generation financial infrastructure trusted by fast‑scaling B2B companies and need top‑tier engineers to help shape the product, culture, and architecture.

About the Role

As a Senior Product Engineer with strong backend skills, you’ll play a pivotal role in:

  • Building robust financial tools for high‑growth technology companies
  • Shaping backend architecture and guiding product direction
  • Collaborating closely with design, product, and data teams to deliver world‑class features
  • Helping define the engineering culture and technical standards from an early stage
  • This is an opportunity to join a small, ambitious, and fast‑moving team tackling complex technical and financial challenges with creativity and precision.

What We’re Looking For

  • 5 - 10 years of experience as a backend or full‑stack engineer delivering production software
  • Proven track record in B2B SaaS or FinTech environments
  • Experience in early‑stage or scale‑up startups - shipping fast without heavy process
  • Strong backend development skills in Python, TypeScript, Ruby, Java, or similar
  • Familiarity with Kotlin or a desire to learn it quickly
  • Experience with user‑facing products and a passion for understanding customer needs
  • Excellent collaboration skills and comfort working cross‑functionally in small teams

Bonus Points For

  • Degree in Computer Science or related field from a leading university
  • Experience in accounting, finance, or revenue operations tooling
  • Previous exposure to modern FinTech or workflow‑automation products

Why This Role is Exciting

  • Join a mission‑driven, venture‑backed FinTech scaleup solving real‑world financial challenges
  • Help shape architecture, product strategy, and engineering culture
  • Competitive salary, equity, and benefits
  • Hybrid work model - 2 days a week in a modern London office
  • Work with an exceptional team of ambitious builders who move fast and care deeply about quality

Please apply only if you tick all of the above boxes and want to work for a company who has growing rapidly!

Seniority level

Mid‑Senior level

Employment type

Full‑time

Job function

Engineering and Information Technology

Industries

Staffing and Recruiting

#J-18808-Ljbffr

Required Skill Profession

Engineering


  • Job Details

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The Work Culture

An organization's rules and standards set how people should be treated in the office and how different situations should be handled. The work culture at Optimal adheres to the cultural norms as outlined by Expertini.

The fundamental ethical values are:

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2. Loyalty

3. Impartiapty

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5. Accountabipty

6. Respect for human rights

7. Obeying Singapore laws and regulations

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By following these tips, you can increase your chances of making a positive impression and landing the job!

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