Junior Backend Engineer (Golang)

P2P; Paris; Sur place; EUR 40 000 - 60 000; Plein temps

Résumé du poste

A leading blockchain technology firm in Paris is seeking a Junior Backend Engineer to join their Software Team. You will develop Golang services and collaborate with product and infrastructure teams. The ideal candidate is enthusiastic about Web3 and has a year of experience in backend development, including Golang. The role offers a competitive salary and flexible working conditions.

Prestations

Equity share options

Competitive salary

Flexible holiday

Internet connection reimbursement

Personal development budget

Qualifications

• 1+ year as Software Engineer (Backend), designing API-based products.
• First Golang programming experience in production or personal projects.
• Proven interest in Web3, blockchain, cryptocurrency.

Responsabilités

• Develop and implement software features in Golang services.
• Participate in automation, testing, and CI/CD processes.
• Suggest improvements in platform and engineering practices.

Connaissances

Golang programming

Curiosity

Container technologies (Docker/Kubernetes)

Understanding of Web3 and DeFi

Fluent in French and English

Outils

PostgreSQL

GCP

AWS

Kubernetes

Description du poste

Location

Paris

Employment Type

Full time

Location Type

On-site

Department

R&D

Full time - Paris

Overview

Kiln is now part of the prestigious French Government program #FT120 from La French Tech!

As a Junior Backend Engineer at Kiln, you will join our Software Team, composed of 14 engineers (Backend, Frontend, QA) split into squads, to build the future of our SaaS/API-first products. You will report to our Head of Software, and collaborate with the Product, Infrastructure and Smart-Contract teams to work on the various products that Kiln's offers. You will have access to our documentation: https://docs.kiln.fi/v1/

Responsibilities

• Develop and implement software features in our Golang services (data aggregators, APIs, Blockchain Transaction crafting, ...).

• Take part in automation, testing, and CI/CD processes.

• Participate in code review, bug fixing, code maintenance.

• Ensure that our services communicate with each other seamlessly, have minimal downtime, and recover quickly.

• 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

• Software: Go, TypeScript, PostgreSQL, REST API…

• Smart-contract: Solidity, Foundry

• Infrastructure: GCP, AWS, Kubernetes

• 100+ Go services processing data for 15+ blockchains

• 200Gb of raw data processed every day

• 2Tb of staking data available through our Kiln Connect API

Requirements

• +1 year of experience as Software Engineer (Backend), designing, building, and deploying user-facing, infrastructure-related, and/or API-based products.

• First Golang programming experience — ideally a professional experience in a production environment or proven personal experience (e.g. Github project, hackathon...)

• Familiar with container/orchestrator technologies (Docker/Kubernetes), and Continuous Integration.

• Curiosity and the ability to dig into a topic and follow through.

• Be pragmatic to not over-engineer unnecessarily.

• Own what is coded and shipped to production.

• Proven interest in Web3, blockchain, cryptocurrency - with solid understanding of protocols, staking, and DeFi. 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.

About Kiln

Kiln is the leading enterprise-grade rewards platform that enables institutional customers to stake assets and integrate staking & DeFi functionality into their offerings. Our API-first platform provides fully automated validators, staking & DeFi protocols access, and comprehensive data and commission management.

With $13+ billion in crypto assets staked through our platform, Kiln has established a strong presence on Ethereum, managing over 4.3% of the network through 45,000+ validators — all with zero slashing events.

Kiln serves more than 140 leading customers, including Binance, BitPanda, Bitgo, Fireblocks, VanEck, and TrustWallet.

Our team of 100 ecosystem enthusiasts brings experience from industry leaders like Google, Circle, Ledger, Chainalysis, and other prominent technology and cryptocurrency companies.

We've raised $30M in total funding from prominent investors including 1kx, Crypto.com, Illuminate Financial, Consensys, Wintermute, Kraken Ventures...

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

• Flexible holiday

• Flexible remote working

• Internet connection paid up to €50/month

• Significant personal development and tech conf budget

Your interview process

1. Recruiter Interview (40 min)

2. Take-home test (< 3 hours)

3. Technical Interview (90 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 France. This role is specifically for employees (no B2B or contractors) based in France.