Fullstack Engineer (TypeScript / React)

As a Fullstack Engineer at Kiln, you will join our Software Development Team, composed of 11 engineers split into 3 squads, to build the future of our SaaS/API-first products [https://docs.kiln.fi/v1/]. You will report to our Lead Software Engineer, and collaborate with the Product, Infrastructure and Smart-Contract teams to work on the various products that Kiln offers.

Responsibilities:

• Contribute to architectural decisions and technical strategy.
• Be an active contributor within the Fullstack squad owning Kiln user-facing products (Dashboard, dApp, Explorer).
• Design, develop and implement new features :
• - 70% frontend (e.g. using our design system to build new features or adding new components to it...).
• - 30% backend (e.g. implement the transaction crafting part for a new protocol...).
• Participate in code review, test and CI/CD processes, bug fixing, and code maintenance.
• Interact with customers for debugging purposes and product discovery.
• Make sure we respect any software security norms (Kiln is a SOC 2 Type 1 and Type 2 company).
• Actively suggest continuous improvement of Kiln's platform and engineering practices.
• Communicate with other Kiln teams to help them understand the Software roadmap and technical challenges.

Stack: TypeScript, React, PHP, Laravel, REST API

Other engineering stacks: Software (Golang); Smart contract (Solidity); Infrastructure (Kubernetes)

Requirements:

• +3 years of experience as a Software Engineer (Backend, Frontend, or Fullstack), designing, building, and deploying user-facing and API-based products.
• Proven TypeScript and React programming skills — professional experience in a production environment.
• Familiar with software development best practices (Test, CI/CD, DevOps, Security...).
• Previous experience collaborating in a team-based development environment is required (sprints, code reviews, standups, problem-solving sessions).
• Curiosity and ability to dig into a topic and follow through.
• Ability to balance between impact and thoroughness in a fast-paced environment.
• Genuine interest in blockchain and cryptocurrency - check our Tech Blog [https://www.kiln.fi/blog] and Open-Source contribution [https://www.kiln.fi/open-source].
• Fluent in both French and English.

Nice-to-have:

• PHP/Laravel programming skills.
• Familiar with blockchain ecosystem, Ethereum Virtual Machine and smart contracts.
• Experience in a fast-growing, early-stage startup.

About Kiln:

Kiln is the leading enterprise-grade staking platform, enabling institutional customers to stake assets, and to whitelabel staking functionality into their offering. Our platform is API-first and enables fully automated validators, rewards, and data and commission management.

With over $7+ billion in crypto assets being programmatically staked, Kiln has a particularly strong track record on Ethereum as we run over 4.3% of the network; this includes 40,000+ validators with 0 slashing events.

The team is made up of over 60 ecosystem enthusiasts formerly at Google, Circle, Ledger, Chainalysis, and other leading technology and cryptocurrency companies.

Join Kiln and help us make the web more secure, stable, decentralized, and fair!

How Kiln will support you:

• A fast-paced, no bureaucratic work environment
• Equity Share Options in the Business: if Kiln succeeds, we all succeed!
• Competitive Salary
• Unlimited holiday
• Flexible remote working
• Choose your IT equipment
• Internet connection paid up to €50/month
• Significant personal development and tech conf budget

Your interview process:

1. Recruiter Interview (45 min)
2. Take-home test (< 4 hours)
3. Technical Interview (60 min)
4. Core Values Interview (45 min)
5. Founders Interview (30 min)
6. Offer!

Please note that we are not sponsoring visas for persons without work authorization in the UK or the EU. This role is specifically for employees (no B2B or contractors) based in France, the UK, Italy, Spain, Portugal & Netherlands. Thank you!

Context for the role

Why the role - - Team’s bandwidth is not sufficient to handle it all

• Kiln Dashboard
• Kiln Core API
• DApp (stake.kiln.fi)
• EigenLayer explorer
• Restaking club

Main stake holders - - Full stack team & backend, product, QA

Start date - asap

Who does the hired report to? - Arno Simon - Lead Software Engineer

Ideal profile

Must have (hard skills):

• 3+ years of programming in TypeScript & React
• Exp with Rest.API
• Interested in web3 / blockchain
• Spoken languages: FR (B2) / Eng (C1)

Nice to have:

• Experience in a Blockchain or crypto company is a plus
• Fast-growing startup experience
• PHP / Laravel (for Core.API & DApps)

Soft skills for Kiln

• EXP about blockchain/crypto
• Curiosity and ability to dig into a topic and follow through
• High tech standards
• Genuine team spirit

Soft skills for the role

• Ownership of the topic (to follow through till shipping)
• Ability to balance between fast-pace & perfectionnism
• Cross team communication

Current stack :TypeScript, React, PHP

Missions & daily expectations

• Work on new features: Dashboard, Core API, + new DeFi Products
• 70% Front + 30% Back
• collaborate with QA & software team
• can join customers’ meetings, “instant” debug
• some maintenance (including design system)

New hire responsibilities (following points are examples)

• On day one, we expect this hire to ....
• Meet the team (Technical, Product, and Business) to understand our stack, customers, product, and market
• Learn by doing by making a first contribution to our codebase

On day 30 we expect contribution to ...

• Understand software and infrastructure architecture at Kiln, products
• Own documentation for her contributions and clarify overall documentation // make a first change on the company’s KB (notion) and discover our culture of documentation

On day 90 we expect contribution to ...

• Respect of feature shipping deadlines
• Sharing best practices with the team

Good signs / Bonus points if this new hire:

• Taking initiatives, sharing point of view on tech topics