Mid Backend Software Engineer, Golang (m/f/d)

Permanent employee, Full-time · Warsaw, Remote

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Tech stack you’ll work with
  • Core: Golang, AWS Serverless (Lambda, API Gateway, SQS)
  • Data: DynamoDB, PostgreSQL
  • Messaging: Kafka
  • Ops / Tooling: Terraform, Gitlab Actions (CI/CD)
(If you haven’t touched every tool yet, no worries — we’ll get you up to speed.)
Your mission and responsibilities
  • Implement new micro-services and extend existing ones in Go.

  • Help groom user-story requirements and surface performance / scaling concerns early.

  • Write unit, integration and API tests; review PRs.

  • Tune data-models in DynamoDB & Postgres for low-latency, high-throughput workloads.

  • Pair with DevOps on CI/CD and observability improvements.

  • Participate in on-call rotation as we’re building high available fintech system

Contract
B2B / Employment contract
Your qualifications and experience
  • ~3 years of professional back-end experience (ideally 1 year+ in Go).

  • Solid grasp of cloud-native design (RESTful APIs, event-driven patterns).

  • Working SQL and NoSQL skills; know when each shines.

  • Comfort diagnosing performance bottlenecks in distributed systems.

  • Ability to work on-site in Warsaw twice a week (Tue & Thu) and remotely otherwise.

Nice to have
  • Exposure to serverless architectures on AWS.
  • Experience with Kafka or another high-volume message bus.
  • Knowledge of automated trading, market data, or FIX/crypto exchanges.
  • Familiarity with Infrastructure-as-Code (Terraform or CDK).
Location
Hybrid (Warsaw – in-office every Tuesday & Thursday)
Why us?

What We Offer:

  • An experienced, welcoming team that loves clean, well-tested code.

  • Real impact: the features you ship go straight into production for live traders.

  • Flexible hours, modern tooling, and a fintech domain that’s never boring.

  • Occasional work travel to Germany (Munich / Berlin)

  • 20 days PTO on B2B

  • Multisport card

Apply now!
Apply now!
About us

Tradevest is a leading FinTech company offering an innovative platform for securities and cryptocurrency trading, specifically tailored for institutional clients. With our cutting-edge development hub located in Warsaw, Tradevest Technologies Warsaw, we drive the technical innovation behind our products. Additionally, through our brand WAWEX, we operate a state-of-the-art cryptocurrency exchange in Warsaw, providing a seamless and secure trading experience. Our mission is to empower institutional traders with advanced tools and technologies that redefine the trading landscape.

WAWEX is a cutting-edge fintech platform at the forefront of the digital finance revolution. Empowering financial institutions, brokers, and banks, WAWEX delivers seamless access to over 75 cryptocurrencies, combining state-of-the-art security with unparalleled market depth. Through innovative tokenization and real-time market insights, WAWEX is shaping the future of trading. With robust API integrations and 24/7 availability, this dynamic platform is designed for institutions ready to embrace the fast-paced world of digital assets and unlock limitless opportunities in global finance.

Tech stack you’ll work with
  • Core: Golang, AWS Serverless (Lambda, API Gateway, SQS)
  • Data: DynamoDB, PostgreSQL
  • Messaging: Kafka
  • Ops / Tooling: Terraform, Gitlab Actions (CI/CD)
(If you haven’t touched every tool yet, no worries — we’ll get you up to speed.)
Deine Aufgaben und Verantwortlichkeiten
  • Implement new micro-services and extend existing ones in Go.

  • Help groom user-story requirements and surface performance / scaling concerns early.

  • Write unit, integration and API tests; review PRs.

  • Tune data-models in DynamoDB & Postgres for low-latency, high-throughput workloads.

  • Pair with DevOps on CI/CD and observability improvements.

  • Participate in on-call rotation as we’re building high available fintech system

Vertragsart
- B2B / Employment contract
Deine Qualifikationen und Erfahrungen
  • ~3 years of professional back-end experience (ideally 1 year+ in Go).

  • Solid grasp of cloud-native design (RESTful APIs, event-driven patterns).

  • Working SQL and NoSQL skills; know when each shines.

  • Comfort diagnosing performance bottlenecks in distributed systems.

  • Ability to work on-site in Warsaw twice a week (Tue & Thu) and remotely otherwise.

Nice to have
  • Exposure to serverless architectures on AWS.
  • Experience with Kafka or another high-volume message bus.
  • Knowledge of automated trading, market data, or FIX/crypto exchanges.
  • Familiarity with Infrastructure-as-Code (Terraform or CDK).
Location
Hybrid (Warsaw – in-office every Tuesday & Thursday)
Warum wir?

What We Offer:

  • An experienced, welcoming team that loves clean, well-tested code.

  • Real impact: the features you ship go straight into production for live traders.

  • Flexible hours, modern tooling, and a fintech domain that’s never boring.

  • Occasional work travel to Germany (Munich / Berlin)

  • 20 days PTO on B2B

  • Multisport card

Jetzt bewerben!
Apply now!
Über uns

Tradevest ist ein führendes FinTech-Unternehmen, das eine innovative Plattform für den Handel mit Wertpapieren, Kryptowährungen und tokenisierten Vermögenswerten anbietet, speziell für institutionelle Kunden. In unserem hochmodernen Technologiezentrum in Warschau, Tradevest Technologies Warsaw, bringen wir unsere Produktentwicklungen auf die Straße. Darüber hinaus betreiben wir über unsere Marke WAWEX eine hochmoderne Krypto Börse in Warschau, die institutionellen Anlegern 24/7 die besten Preise auf dem Markt sichert. Unser Anspruch ist es, institutionellen Kunden modernste Tools und Technologien zu bieten, die den Handel revolutionieren und neue Maßstäbe in der Finanzbranche setzen wird.

WAWEX ist eine hochmoderne Fintech-Plattform, die an der Spitze der digitalen Finanzrevolution steht. WAWEX bietet Finanzinstituten, Brokern und Banken einen nahtlosen Zugang zu über 75 Kryptowährungen und kombiniert modernste Sicherheit mit einer beispiellosen Markttiefe. Durch Tokenisierung und Echtzeit-Market Insights gestaltet WAWEX die Zukunft des Handels neu. Mit robusten API-Integrationen und 24/7-Verfügbarkeit ist diese dynamische Plattform für Unternehmen konzipiert, die in einer schnelllebigen Welt die grenzenlosen Möglichkeiten der digitalen Anlageformen nutzen wollen.

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