Senior Fullstack Developer Python + React

Ready to do the most impactful work of your career? At Coinbase, we are uncompromising on our mission to increase economic freedom. The bar is high, the environment is intense, and we like it that way. This isn't a place for complacency, it’s a place to be pushed past your perceived limits. If you're ready to build the future of finance alongside people who refuse to settle for "good enough," you belong here. Coinbase is a remote-first, but not remote-only company. Expect to get together quarterly for intense in-person working sessions called “surges.” learn more about working at Coinbase.

As a Senior Software Engineer on the Platform Core Automation team, you'll build the AI infrastructure and agentic systems that automate customer support and compliance operations at Coinbase. This team is reimagining what these processes look like when AI handles them end-to-end, replacing manual workflows with intelligent agents that resolve customer issues and execute compliance tasks autonomously. You'll own the design and delivery of LLM-powered systems, grounding techniques, and integration pipelines that directly reduce resolution times, cut costs, and improve accuracy across millions of customer interactions.

What you’ll be doing (ie. job duties):

Own the design and delivery of agentic AI systems that power Coinbase's customer support and compliance automation, from LLM orchestration through production deployment and monitoring.

Build scalable, secure backend infrastructure in Python and Golang that serves AI workloads, including model integration pipelines, guardrails, grounding mechanisms, and measurement frameworks.

Drive end-to-end project execution on complex AI initiatives, making technical trade-offs across latency, accuracy, cost, and reliability.

Partner with Customer Experience, Compliance, and product engineering teams to identify high-impact automation opportunities and translate operational pain points into AI-powered solutions.

Strengthen engineering q…

Ready to do the most impactful work of your career? At Coinbase, we are uncompromising on our mission to increase economic freedom. The bar is high, the environment is intense, and we like it that way. This isn't a place for complacency, it’s a place to be pushed past your perceived limits. If you're ready to build the future of finance alongside people who refuse to settle for "good enough," you belong here. Coinbase is a remote-first, but not remote-only company. Expect to get together quarterly for intense in-person working sessions called “surges.” learn more about working at Coinbase.

Staff Machine Learning Engineer, Identity Verification
As a Staff Machine Learning Engineer on the Identity Verification team within the Platform group, you'll own the ML systems that determine whether a person, document, and capture session are legitimate. Every signup, account recovery, and high-risk action at Coinbase depends on these models. You'll lead the technical strategy for IDV ML end-to-end, from architecture through production enforcement, protecting the integrity of millions of accounts.

What you'll do:

Own the full IDV ML stack, including document authenticity models, 1:1 and 1:N face-match, liveness detection, presentation-attack detection, and deepfake/injection detection from feature pipeline through threshold tuning and production enforcement.

Build identity-graph systems using GNNs that cluster accounts sharing biometric, device, and document signals to detect synthetic-identity rings and coordinated fraud at onboarding.

Develop behavioral and device-intelligence models for capture-session anomaly detection, bot-vs-human classification, and device-fingerprint-based risk scoring at real-time latency.

Drive vendor ML strategy by benchmarking external models against a Coinbase-owned evaluation set, designing dynamic routing logic across providers and geographies, and building the in-house evaluation layer that catches regressions before they reach users.

Lea…

Czym będziesz się zajmować?

Andersen is hiring a Data Engineer in Poland for a project developing large-scale analytics solutions and data platforms that transform audience and media data into actionable insights.

The company is a global technology provider delivering data analytics and AI-powered solutions that help organizations better understand customer behavior, optimize marketing performance, and make informed business decisions.

The project is focused on developing data-driven audience measurement and advertising analytics solutions powered by connected-device and media consumption data.

Responsibilities:

- Serving as the primary DE point of contact for report-related questions, including data availability, metric discrepancies, and pipeline behavior.

- Writing and executing SQL queries (BigQuery, PostgreSQL) to validate report outputs, isolate data anomalies, and confirm fixes.

- Reproducing and documenting data issues, coordinating with the core DE team for resolution.

- Supporting ad hoc data pulls and validation requests tied to reporting products.

- Setting up and configuring cloud environments required for partner data delivery, including AWS S3 buckets, IAM policies, and SFTP endpoints.

Kogo poszukujemy?

Must-haves:

- Experience as a Data Engineer for 3+ years.

- Hands-on production experience on AWS, or Databricks.

- Strong SQL (BigQuery and/or PostgreSQL) — complex analytical queries in production.

- Python at production quality.

- Apache Airflow DAG authoring.

- Distributed processing in production; workflow orchestration.

- API-first services; working experience with streaming or event-driven system.

- Bachelor's degree in Computer Science, Software Engineering, or a related technical field, or equivalent.

- Level of English – from Upper-Intermediate and above.

Nice to have:

- Background in ad tech, audience measurement, CTV/OTT, ACR, or programmatic data flows.

- Hands-on production experience on GCP.

Czego wym…

Ready to do the most impactful work of your career? At Coinbase, we are uncompromising on our mission to increase economic freedom. The bar is high, the environment is intense, and we like it that way. This isn't a place for complacency, it’s a place to be pushed past your perceived limits. If you're ready to build the future of finance alongside people who refuse to settle for "good enough," you belong here. Coinbase is a remote-first, but not remote-only company. Expect to get together quarterly for intense in-person working sessions called “surges.” learn more about working at Coinbase.

Data Science is an integral component of Coinbase’s product and decision making process: we work in partnership with Product, Engineering and Design to influence the roadmap and better understand our users. With a deep expertise in experimentation, analytics and advanced modeling, we produce insights which directly move the company’s bottom line.

As a Data Scientist in the consumer org, you'll apply these skills to improve the customer experience across Coinbase's consumer products—spot and advanced trading, yield, Coinbase One (CB1), international expansion, and new launches (including prediction markets and equities trading). You'll define and instrument key metrics, build measurement and causal frameworks, and translate insights into product strategy and shipped improvements.

What you'll be doing:

Conduct analysis and deep dives on ambiguous problems for our business. Your work will result in insights and recommendations that guide the team’s decision making.

Act as owner for a broad scope of data and metrics, from core logging to presentation of data visualizations.

Guide code reviews, provide SQL and Python expertise, and create well-maintained ETL jobs.

Maintain a high bar for statistical rigor on your team. Ensure that we’re conducting experimentation and causal analyses that build confidence with your stakeholders.

What we look for in you:

A BA/BS in a quantitat…

Ready to do the most impactful work of your career? At Coinbase, we are uncompromising on our mission to increase economic freedom. The bar is high, the environment is intense, and we like it that way. This isn't a place for complacency, it’s a place to be pushed past your perceived limits. If you're ready to build the future of finance alongside people who refuse to settle for "good enough," you belong here. Coinbase is a remote-first, but not remote-only company. Expect to get together quarterly for intense in-person working sessions called “surges.” learn more about working at Coinbase.

Security is a primary competency at Coinbase, and the Threat Intelligence team within Security Operations keeps a watchful eye over every aspect of it. As a Senior Onchain Investigator, you'll own end-to-end onchain investigations into the threat actors targeting Coinbase and the crypto ecosystem. You'll cluster illicit wallets, fuse OSINT with onchain evidence, and turn findings into detections, blocks, and decisions that protect customers and products. This role leads investigation methodology for the team, not just individual cases.



What you'll do:

Own complex onchain investigations into threat actor infrastructure, scam networks, exploits, and related abuse targeting Coinbase and Base

Drive clustering and attribution of illicit actors using blockchain analytics, OSINT, and internal data, then operationalize results into Vertex Synapse and downstream controls

Build OSINT and onchain analysis pipelines, queries, and dashboards that automate detections and scale investigative capacity across the team

Lead post-incident reviews and root cause analyses to identify gaps and recommend enhancements to controls, detection, and overall security posture

Partner with product, engineering, and risk teams to embed threat and abuse mitigation strategies into the product development lifecycle from ideation to launch

Lead new investigative techniques, teach them across Security, and…

Ready to do the most impactful work of your career? At Coinbase, we are uncompromising on our mission to increase economic freedom. The bar is high, the environment is intense, and we like it that way. This isn't a place for complacency, it’s a place to be pushed past your perceived limits. If you're ready to build the future of finance alongside people who refuse to settle for "good enough," you belong here. Coinbase is a remote-first, but not remote-only company. Expect to get together quarterly for intense in-person working sessions called “surges.” learn more about working at Coinbase.

Security is a primary competency at Coinbase, and the Threat Intelligence team within Security Operations keeps a watchful eye over every aspect of it. As a Senior Threat Intelligence Engineer, you'll combine deep technical expertise in tracking sophisticated adversaries with innovative AI engineering to protect billions of dollars in digital assets. You'll turn internal and external signals into durable detections and actionable intelligence, partnering across the entire organization to bring insights directly to the stakeholders who make risk-based decisions.

What you'll do:

Automate the tracking and analysis of sophisticated cyber threats targeting Coinbase's customers, employees, products, and infrastructure

Influence decisions across the organization by reporting and presenting intelligence analysis to stakeholders, partners, and executives

Model and curate our shared view of the threat landscape within Vertex Synapse, our Threat Intelligence Platform, while elevating analytic quality through critical peer review and strategic feedback

Cultivate strategic relationships within Threat Intelligence communities to expand access to information and strengthen our trust network

Investigate and deliver on a high volume of intelligence requests by prioritizing, documenting, and reporting timely and accurate information

Serve as subject matter expert on the latest cyber threats…

Czym będziesz się zajmować?

Analiza wymagań biznesowych i technicznych oraz przygotowywanie scenariuszy i przypadków testowych
Planowanie i realizacja testów funkcjonalnych, regresyjnych, integracyjnych oraz UAT
Weryfikacja działania interfejsów UI/UX oraz zapewnienie odpowiedniego pokrycia testami kluczowych funkcjonalności
Identyfikacja, dokumentowanie i raportowanie defektów, w tym udział w ich triage i priorytetyzacji
Analiza wyników testów, weryfikacja poprawek i przeprowadzanie retestów
Współpraca z developerami, analitykami i biznesem w celu identyfikacji i rozwiązywania problemów jakościowych
Dokumentowanie wyników testów, raportowanie statusu oraz wsparcie procesów releasowych i ciągłego doskonalenia procesu QA

Kogo poszukujemy?

Doświadczenie w testowaniu manualnym oprogramowania oraz znajomość procesów zapewnienia jakości
Znajomość podstaw programowania w jednym z języków: Java, Python lub JavaScript
Podstawowa znajomość CI/CD, w szczególności Jenkins lub GitLab CI
Znajomość pracy w zespołach Agile/Scrum, umiejętność komunikacji i współpracy zespołowej

Czego wymagamy?

3 lata doświadczenia na podobnym stanowisku
Mile widziane:
Java
Python
JavaScriptJęzyki:
Polski

Jakie warunki i benefity otrzymasz?
10.9k–12.6k PLN netto/m (B2B)
B2B - Elastyczne godziny pracy (100%)
Praca zdalna: Hybrydowo

Kim jesteśmy?
DCG to przestrzeń, w której spotykają się potrzeby biznesu i ambicje ludzi. Znamy wartość dobrze dopasowanej współpracy, dlatego pomagamy kandydatom znaleźć środowisko, w którym będą mogli rozwinąć skrzydła, a firmom - zbudować zespoły, które naprawdę działają. Pracujemy blisko ludzi i organizacji, uważnie słuchając i reagując na to, co dla nich ważne. Dzięki temu wspólnie tworzymy trwałe i wartościowe relacje, które procentują na lata.

Czym będziesz się zajmować?

Projektowanie, rozwijanie i utrzymywanie skalowalnych, chmurowych aplikacji backendowych na platformie AWS,
Tworzenie i rozbudowa usług backendowych oraz interfejsów API z wykorzystaniem Node.js lub Python,
Zarządzanie infrastrukturą jako kodem (IaC) przy użyciu narzędzia Terraform,
Odpowiedzialność za niezawodność, wydajność i optymalizację komponentów backendowych oraz infrastruktury chmurowej,
Diagnozowanie i rozwiązywanie problemów technicznych w całym stosie backendowym,
Rozwój możliwości platformy IoT wspierającej połączone urządzenia konsumenckie,
Współpraca z architektami, właścicielami produktów, analitykami biznesowymi i zespołami inżynieryjnymi w celu przekładania wymagań biznesowych na rozwiązania techniczne,
Dbanie o jakość oprogramowania poprzez przeglądy kodu, testy automatyczne, monitoring oraz stosowanie dobrych praktyk inżynieryjnych,
Współtworzenie i udoskonalanie potoków CI/CD oraz procesów wdrożeniowych

Kogo poszukujemy?

Preferowane min. 6 lat doświadczenia w branży IT,
Min. 5 lat praktycznego doświadczenia z usługami chmurowymi AWS (np. Lambda, API Gateway, DynamoDB, S3, ECS/EKS),
Biegłość w programowaniu w języku Node.js lub Python w kontekście tworzenia rozwiązań backendowych,
Solidne doświadczenie w pracy z Terraform i zasadami Infrastructure as Code,
Głębokie zrozumienie architektury REST API, mikroserwisów oraz systemów rozproszonych,
Silne umiejętności analityczne i rozwiązywania problemów z naciskiem na niezawodność i skalowalność systemów,
Doświadczenie w pracy w środowiskach zwinnych (Agile),
Znajomość języka angielskiego na poziomie min. B2.

Czego wymagamy?

6 lat doświadczenia na podobnym stanowisku
Znajomości:
AWS
Python
Node.js
Terraform
RESTJęzyki:
Polski
Angielski

Jakie warunki i benefity otrzymasz?
18.5k–21.8k PLN netto/m (B2B)
B2B - Elastyczne godziny pracy (100%)
Praca zdalna: W całości
Pakiet medyczny, Pakiet sportowy

Kim jesteśmy?
ITFS jest firmą consultingową z Trójmiasta, posiadającą także…