20 beste vacatures voor de functie van senior technical lead java, microservices, react.js in amsterdam, nh (nieuwe medewerkers gezocht)

Senior Quality Assurance Engineer (Event Streaming)
BUX —Amsterdam Centrum
- Hybride werken
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Snel solliciteren
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Protolabs —Amsterdam
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Manager Engineering, Artificial Intelligence & Data
Deloitte —Amsterdam Zuid
- Parttime
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- Azure
- Master
- Managementervaring
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Senior AI Tech Consultant - Amsterdam | BCG Platinion
Boston Consulting Group —Amsterdam
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Thales —Amsterdam
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Accenture —Amsterdam
- Fulltime
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13 dagen
Lead Developer - GitHub Copilot Enablement
EPAM Systems, Inc. —Amsterdam
- Hybride werken
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- AI
- Mentale gezondheidszorgprogramma's
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Together AI —Amsterdam
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TBAuctions —Amsterdam Nieuw-West
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Junior Software Engineer (Data)
Silverflow —Amsterdam
- € 34.000 - € 65.000 per jaar
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Software Engineer
JINGDONG RETAIL (UK) LIMITED —Amsterdam
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13 dagen
Senior Cloud Performance Engineer
Clickhouse —Amsterdam
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Programme Delivery Manager - Technology
EPAM Systems, Inc. —Amsterdam
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Senior Mendix Business Engineer
Finaps —Amsterdam
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VP & Staff Software Engineer(s)
Share —Amsterdam
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Software Engineer, Elixir
Telnyx —Amsterdam
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Senior Java Developer - Justice & Tax
CGI —Randstad
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- Java
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- Bovenwettelijk betaald verlof
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Senior Quality Assurance Engineer (Event Streaming)

BUX
Amsterdam Centrum

Snel solliciteren

Vacaturegegevens

Kwalificaties

CI/CD
Kotlin
Kubernetes
DevOps
Selenium
Google Cloud Platform
Java
Kwaliteitsborging
Softwarekwaliteitsborging
Continuous integration
REST
GitHub
APIs
Veiligheid
Agile
Financiële diensten
Kafka
TypeScript
Spring

Volledige vacaturetekst

We are looking for a Senior Quality Assurance Engineer (Event Streaming) to join our BUX team based in Amsterdam.

Our engineering team sits at the heart of the company. We have a well-rounded team that cares about building great products that matter. You'll be part of a modern fintech company where you can try things, break things, fix them, and learn fast. Your work is visible, your input matters, and you help shape both the product and how we build it. We stay close to what's happening in the world of investing and fintech, and we share what we learn. It's a place where you can stretch your skills, contribute to something real, and grow alongside people who take their craft seriously and enjoy building things together.

What you will do

In a fintech environment, reliable event streaming is critical; a missed or duplicated message can affect ledger balances, payment workflows, and compliance. You'll play a hands-on role in validating the correctness, reliability, and resilience of our Kafka-based event-driven systems.

As a Senior Quality Assurance Engineer for our Backend Broker team, your job is to get things done. This could mean:

Design, develop, and maintain automated and manual tests for Kafka-based producers, consumers, and event flows
Execute manual and exploratory testing where automation is not feasible
Integrate automated regression, smoke, and integration test suites into CI/CD pipelines (GitHub Actions)
Help build and mature QA processes and standards for event-driven systems within the squad
Apply quality gates and acceptance criteria in close collaboration with Product and Development teams
Participate in design reviews for owned features and event schemas to provide a QA perspective early in the development cycle
Monitor and track key quality metrics, test coverage, and defect trends for the streaming domain
Validate message ordering, delivery guarantees, idempotency, and exactly-once/at-least-once semantics
Validate producer and consumer contracts and schema compatibility as services evolve
Perform failure-mode and resilience testing — including broker failures, consumer lag, retries, dead-letter handling, and replay scenarios
Perform bug triage, reproduction, and prioritization with development teams
Support test environment setup, data provisioning, and maintenance in coordination with DevOps
Use approved GenAI tooling with sanitized data to accelerate test design and automation, subject to human review, security policies, and validation of generated tests

Our tech stack

Java, Kotlin, Spring Boot, GCP, Kubernetes, GitHub Actions, Kafka, REST APIs, Selenium, Playwright/TypeScript, Postman/Newman, Charles Proxy, Xray, CloudSQL, PostgreSQL

What you need to succeed

We are looking for you if you are passionate about quality in distributed systems, you have strong hands-on testing skills across event-streaming platforms, and you thrive in a fast-paced fintech environment. Furthermore, we require:

5–7+ years of experience in software quality assurance, with a senior-level track record of hands-on testing in the fintech domain
Hands-on testing experience with Kafka or comparable event-streaming platforms
Strong knowledge of API testing (REST) and microservices/event-driven architectures
Hands-on experience with test automation frameworks such as Selenium and Playwright with TypeScript
Proficiency in at least one programming language (Java/Kotlin)
Understanding of CI/CD pipelines and integration of automated tests (GitHub Actions)
Practical experience with Postman/Newman, Charles Proxy, and Xray (or similar test management tooling)
Comfortable validating data consistency across multiple database technologies and asynchronous event flows
Experience helping establish or mature QA processes for event-driven systems
Experience working in a fast-paced Agile environment
Excellent communication and collaboration skills with cross-functional teams
This role reports to the Staff QA Engineer

Nice-to-haves

Experience with fintech or financial services testing (financial accuracy, transactional data, regulatory compliance)
Experience with performance and security testing
Knowledge of financial regulations and compliance standards (KYC/AML)
Experience with schema registries and contract testing tools for event-driven architectures

Why join BUX as a Senior QA Engineer (Kafka)?

You will have a real impact on quality for a high-growth fintech company that serves thousands of users
You will work with event-streaming technologies that power our core trading and payment flows
You'll collaborate with experienced, passionate engineers who value quality and continuous improvement
You'll be part of a company that values your ideas and encourages innovation at every level
You will help build products that democratize investing and make a real difference in people's financial lives

Snel solliciteren

Verfijn je zoekopdracht

senior technical lead java, microservices, react.js vacatures in amsterdam, nh

Senior Quality Assurance Engineer (Event Streaming)

Solutions Architect (Finance Transformation Office)

.NET Developer

Senior Software Engineer, Developer Experience (Platform Team)

Senior Python Developer (Backend)

Manager Engineering, Artificial Intelligence & Data

Senior AI Tech Consultant - Amsterdam | BCG Platinion

CIAM Technical Consultant

AI Native Software Engineering Senior Manager

Lead Developer - GitHub Copilot Enablement

Lead/Manager Together Cloud Infrastructure

Machine Learning Engineer

Junior Software Engineer (Data)

Software Engineer

Senior Cloud Performance Engineer

Programme Delivery Manager - Technology

Senior Mendix Business Engineer

VP & Staff Software Engineer(s)

Software Engineer, Elixir

Senior Java Developer - Justice & Tax

Ik wil de nieuwste vacature-alerts ontvangen voor de functie van senior technical lead java, microservices, react.js in amsterdam, nh

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