

Resumes show claims. We show proof. Apache Flink Developers assessed on exactly-once checkpoint design, stateful stream architecture, and watermark strategy optimization — so you interview candidates, not question marks.
No credit card required.
Talent Marketplaces give you a resume. We give you the source code.
Candidate A
Software Engineer
Self Reported
2024
Experience
5 years React / Frontend Development
No portfolio links
Previous Roles
X-Corp
Tech Solutions Inc.
Education
B.S. Computer Science — State University

• UNVERIFIED CLAIM
Verified Engineer
ConnectDevs Intelligence Dossier
SAM TECH SCORE
98/100
CODE QUALITY
A+
TECHNICAL INTERVIEW HIGHLIGHTS
Play Recorded Proof
const solveHardProblem = (data) => {
return data.reduce((acc, val) => {
// Verified optimal O(n) solution
return { ...acc, [val.id]: val.performance };
}, {});
};DECISION-READY DATA
You set the criteria. Scout ranked the matches. Now choose who's worth your time.
7 Years
89%
Match Score
FinTech Global
Georgia Institute of Technology
B.S. Computer Science
2012 - 2016
Alex Mercer
Senior Mobile Engineer
2021 – Present
7 Years
89%
Match Score
FinTech Global
Georgia Institute of Technology
B.S. Computer Science
2012 - 2016
Sarah Chen
Senior Mobile Engineer
2021 – Present
7 Years
89%
Match Score
FinTech Global
Georgia Institute of Technology
B.S. Computer Science
2012 - 2016
David Rodriguez
Senior Mobile Engineer
2021 – Present
We analyze thousands of placements to give you real-time salary data for every experience level.
Role: Junior Apache Flink Developer
0-2 Years
Entry-level profile with a strong foundation in stream processing basics, Flink job deployment, and event-time concepts.
REQUIREMENTS
Degree in Computer Science or equivalent practical training.
Hands-on experience writing Flink jobs using DataStream API or Flink SQL in development environments.
Familiarity with event-time processing, watermarks, and basic windowing strategies.
Junior Developer Hourly Rate
Average Yearly Salary ~$105k /yr
Market
Signal
Stream Demand
Real-time processing adoption is driving increased demand for junior Flink developers across industries.
Role: Mid Apache Flink Developer
3-5 Years
Mid-level profile with proven expertise in stateful stream processing, checkpoint optimization, and production job management.
REQUIREMENTS
Degree in Computer Science or equivalent practical training.
Demonstrated ability to design and optimize checkpointing strategies for exactly-once processing guarantees.
Experience managing state backends and tuning memory configurations for high-throughput workloads.
Mid Developer Hourly Rate
Average Yearly Salary ~$152k /yr
Market
Signal
Core Demand
Mid-level Flink developers with exactly-once expertise are in high demand for financial and IoT applications.
Role: Senior Apache Flink Developer
6+ Years
Senior profile with deep mastery of distributed stream architecture, complex event processing, and enterprise-scale Flink deployments.
REQUIREMENTS
Degree in Computer Science or equivalent practical training.
Proven track record designing Flink architectures processing millions of events per second with sub-50ms latency.
Experience implementing complex event processing patterns and leading Flink infrastructure strategy across distributed teams.
Senior Developer Hourly Rate
Average Yearly Salary ~$196k /yr
Market
Signal
AI Readiness
Senior Flink architects command premium rates as real-time ML inference pipelines become mission-critical.
Traditional agencies take weeks. Our Intelligence Engine runs in parallel to deliver decision-ready profiles in real-time.
Hour 0
Signal Ingestion
You define the stack. Scout maps intent signals across 550M+ profiles.
Hours 2–24
Parallel Processing
Scout scans candidate profiles while Pilot launches multi-channel outreach. The system works asynchronously while you sleep.
Scout
Mass Ingestion
Parsing your role. Scanning 800M+ engineers. Surfacing matches—live results.
Pilot
Engagement
Sending interview invites. Tracking responses. Moving candidates to SAM—pipeline
SAM
Validation
Conducting interviews. Evaluating skills. Compiling decision-ready report now
const score = validate(dev);
if (score > 0.92) dispatch(shortlist);
Hour 48
You Receive Your Shortlist
3 Decision-Ready Profiles delivered to your dashboard.
STATUS: READY
Intelligent Shortlist
Candidates Found
1,204
Validated Skills
Apache Flink, Node, Go
Top Matches
03
Marketplaces show you profiles. We show you capability.
The Problem
When you browse a talent marketplace, you are guessing. You see a resume that claims '5 Years Apache Flink,' but you don't know:
Can they configure checkpointing for exactly-once semantics under failure conditions, or do they accept at-least-once and hope for the best?
Have they designed watermark strategies that handle late data without corrupting window aggregations?
Is their state management production-grade with RocksDB tuning, or do they rely on default heap state that crashes under load?
The Solution
ConnectDevs removes the guesswork. We don't just send profiles; we send Structured Intelligence. Every candidate is interviewed by SAM against the specific Flink challenges you care about. You don't guess if they are good. You know.
Unverified Claim
Apache Flink Developer
5 Years Experience
Verified Proof
CODE CHALLENGE
Solve a problem using algorithms
SAM INTERVIEW
Discuss alternative approaches and their trade-offs
TECH SCORE
98/100 Algorithm Score
GITHUB AUDIT
Active Open Source Contributor
For Apache Flink Developers, we specifically test for exactly-once checkpoint design, stateful stream architecture, and watermark strategy optimization. You get the raw data before you even interview.
Agencies charge a markup every hour. We charge a flat platform fee. You keep the savings.
Number of developers
3 Devs
1
10
Role seniority
Base Salary: $120,000
Includes 35%
Zero Markup
Estimated Yearly Savings
If SAM doesn't surface interview-ready candidates your LinkedIn search missed—you pay nothing.
FLEXIBLE
0%
Zero Markup
We don't inflate developer rates or take recruitment fees.
Cancel Anytime
No lock-ins. No notice required. Keep your data.
Average time-to-shortlist
Global Talent Network
Most teams hiring Flink developers also need expertise across the streaming and data lake ecosystem.
Everything you need to know about sourcing, assessing, and hiring top Apache Flink Developers through our platform.
SAM's technical interview presents candidates with failure recovery scenarios requiring checkpoint configuration and state backend optimization. They must demonstrate understanding of distributed snapshots and barrier alignment. You receive a scored report showing exactly where their fault tolerance expertise lands.
Senior Flink specialists command salaries around $196,000 annually, with contract rates reaching $225/hr for expert-level talent. Marketplaces typically extract 15-20% in platform fees. ConnectDevs operates on a flat $69/mo subscription with zero markup.
The Scout agent searches 800M+ public profiles for signals of Flink production experience including checkpointing strategies and CEP implementations. This delivers a targeted shortlist in days rather than the weeks typical of manual sourcing.
Flink specialists outperform generalists for stateful, exactly-once processing requirements like financial transactions and fraud detection. If your use case demands complex event processing and fault-tolerant state management, a Flink specialist pays for itself in avoided data integrity incidents.
Flink SQL adoption is accelerating for analytics workloads, but the DataStream API remains essential for complex stateful transformations and custom operators. Senior candidates should demonstrate proficiency in both paradigms. Scout filters for signals of production experience across both API surfaces.
Every ConnectDevs engagement provides raw assessment data upfront, including competency scores on stream processing architecture and recorded technical interviews. Audit the data before you invest interview time to minimize the risk of a costly mis-hire.