United Kingdom Remote (Global) Employment

EX Squared is hiring a Senior Software Engineer (Backend) (Remote - Europe)

About the Role

Jobgether is hiring a Senior Software Engineer (Backend) to build scalable, high-performance backend systems in a fast-paced, innovation-driven fintech environment. You will work on domain-driven architecture, microservices, and RESTful APIs for systems that manage tokenized assets and high-concurrency workflows.

What You'll Do

  • Design and implement robust backend architectures that balance maintainability and startup agility.
  • Develop and maintain microservices and RESTful APIs optimized for high concurrency and performance.
  • Contribute to automated deployment pipelines, observability, and monitoring systems.
  • Write secure, testable, and maintainable code, leveraging AI-assisted development tools when appropriate.
  • Monitor production systems to ensure stability, performance, and rapid incident response.
  • Collaborate closely with cross-functional teams, including frontend, blockchain, and product teams, to deliver high-quality solutions.
  • Mentor peers, share technical knowledge, and contribute to architectural and design discussions.

What We're Looking For

  • 4+ years of experience building high-concurrency systems and APIs using GoLang (preferred) or Node.js.
  • Hands-on experience with microservices, event-driven architectures, and RESTful APIs.
  • Proficiency with cloud platforms, especially AWS services like Lambda, Cognito, SQS, and Redis.
  • Strong knowledge of relational and NoSQL databases, such as PostgreSQL and DynamoDB.
  • Experience writing automated tests, including unit tests, load tests, and integration tests.
  • Skilled in debugging production issues through data analysis and validation.
  • Experience with containerization, orchestration, and CI/CD tools, including Docker, Kubernetes, GitHub Actions, and Terraform.
  • Ownership mindset, speed, curiosity, result-driven, and entrepreneurial approach to work.

Nice to Have

  • Experience with Solana programs (Helius, Anchor, SPL token, Metaplex Core).
  • Previous integration of AI in development workflows.
  • DeFi experience and familiarity with tokenized assets.
  • Exposure to AWS Amplify or AWS CDK.
  • Some front-end experience (e.g., React, Redux).

Technical Stack

  • Languages: GoLang, Node.js
  • AWS: Lambda, Cognito, SQS, Redis
  • Databases: PostgreSQL, DynamoDB
  • Infrastructure: Docker, Kubernetes, GitHub Actions, Terraform
  • Blockchain: Solana, Helius, Anchor, SPL token, Metaplex Core
  • Frontend: React, Redux

Team & Environment

You will work in cross-functional teams including frontend, blockchain, and product professionals.

Benefits & Compensation

  • Fully remote work with flexibility across European time zones.
  • Opportunity to work on fintech and blockchain projects.
  • Exposure to AI-assisted development workflows and innovative tech stacks.
  • Collaboration with cross-functional, multicultural teams.
  • Professional growth through hands-on ownership, mentorship, and problem-solving in complex, high-impact systems.
  • Access to modern development tools, cloud infrastructure, and CI/CD pipelines.

Work Mode

This is a fully remote position open to candidates in Europe.

Required Skills
GoLangNode.jsAWS LambdaAWS CognitoAWS SQSRedisPostgreSQLDynamoDBDockerKubernetesAPI DevelopmentMicroservicesSystem DesignCloud ArchitectureDistributed Systems
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About company
EX Squared

Technology company focused on IT and software solutions

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Job Details
Category backend
Posted 4 months ago