Senior Software Engineer – Go

🕒 November 24, 2025

🇵🇹 Portugal – Remote

⏰ Full Time

🟠 Senior

🔙 Backend Engineer

👻 Ghost score 36%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

Apply Now

Find Similar Remote Jobs

Set Up Email Alert For New Jobs

📊 Check your resume score for this job

Improve your chances of getting an interview by checking your resume score before you apply.

Upload Resume

Block Labs

WebsiteLinkedInAll Job Openings

51 - 200 employees

Founded 2022

💼 Consulting

📣 Marketing

📦 Logistics

Consulting • Marketing • Logistics

Block Labs is a Web3-focused builder, investor, and marketing partner for blockchain projects. The company provides end-to-end blockchain development (smart contracts, decentralized wallets, NFT exchanges, payment gateways), web3-native marketing (social management, influencer/KOL campaigns, paid media, PR, partnerships), and investment support from seed to Series A. Block Labs works with founders to accelerate growth through technical development, go-to-market strategies, and strategic capital, operating from Sofia, Bulgaria.

📋 Description

• Design and build distributed backend services that power a multi-tenant cashier and transaction management system. • Develop core platform features for wallet orchestration, payment routing, reconciliation, and tenant onboarding. • Integrate with blockchain networks, payment gateways, and third-party crypto APIs. • Collaborate with product, frontend, and infrastructure teams to deliver reliable, end-to-end systems. • Contribute to architectural design and drive technical decisions across services. • Ensure scalability, fault-tolerance, and compliance within a regulated financial context. • Maintain clean, testable, and well-documented Go code following industry best practices.

🎯 Requirements

• 6+ years of experience in backend development, ideally in high-throughput or financial systems. • Strong proficiency in Go as a primary backend language; experience with gRPC and RESTful APIs is highly valued. • Solid understanding of distributed systems, multi-tenant architectures, and microservices. • Experience with blockchain integrations, crypto custody, or payment rails is a strong advantage. • Comfortable working in cloud-native environments. • Deep commitment to software reliability, observability, and security best practices. • Excellent communication skills and a collaborative mindset.

🏖️ Benefits

• Health insurance • 401(k) matching • Flexible work hours • Paid time off • Remote work options