Sr. Full Stack Developer

Yeshnex IT Solutions

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Rockville, Maryland, US First seen 3 hours, 10 minutes ago Last seen 3 hours, 10 minutes ago JSearch

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Job Description

AI Summary

• Sr. Full Stack Developer role (12+ months contract, Rockville, Maryland) focused on backend-heavy development using Java/Spring Boot or Python (FastAPI/Django), PostgreSQL, and Angular frontend; LLM/AI knowledge is a plus but not required. • Must demonstrate end-to-end system thinking—ability to explain how UI, API, backend, and database connect, with strong grasp of authentication, authorization, data validation, and testing strategies across handoff points. • Top rejection reason: candidates cannot articulate validation and testing approaches; the role requires engineers who think about data correctness and can explain how they verify solutions work, not just execute tasks. • Interview process emphasizes system design and real-world problem-solving over coding syntax; manager screen (15–20 min) focuses on past project understanding and architecture thinking rather than LeetCode-style problems. • Backend comprises 70–80% of the role priority; frontend skills only need to cover Angular basics, API calls, and authentication handling—not UI/UX expertise or building from scratch.

Sr. Full Stack Developer Rockville Maryland 12+ Months Contract Core Need (What They Actually Want) • Full stack developers with a strong backend focus • Tech stack flexibility: • Java + Spring Boot OR • Python (FastAPI/Django, etc.) • Frontend: Angular (or similar) • Database: PostgreSQL or similar • LLM/AI is NOT required, but: • It’s a plus Translation: We should prioritize strong backend/full stack engineers first, not filter heavily for AI. What They Care About Most (This is the real filter) This is NOT about stack matching alone.

They are looking for engineers who: • Understand end-to-end system flow • Can explain: • How UI ? API ? backend ?

DB connects • Think about: • Authentication / authorization • Data validation • Data correctness (not blindly trusting inputs) Major gap so far: • Candidates can describe projects at a high level • But cannot clearly explain how the system actually works end-to-end Biggest Reason Candidates Are Getting Rejected 1. Weak understanding of “validation” This came up repeatedly. They want candidates who can answer: • How do you validate your solution works?

How do you test data correctness? • What happens at each handoff point (UI ? API, API ?

API, etc.)? Manager specifically said: • Candidates are not explaining how they test or validate anything • This is the #1 reason they are getting rejected 2. Lack of true “end-to-end ownership” • Candidates talk about pieces of systems • But struggle to explain: • Full design • Why things are built a certain way • How components interact They want builders / thinkers, not just task executors.

3. LLM knowledge is weak across the board • 100% of candidates screened so far: • Did not meet LLM expectations • But important: • They are still open to hiring non-LLM candidates if strong overall How They Are Interviewing Round 1 (Manager Screen) • 15–20 min • Focus: • Understanding of past projects • End-to-end architecture • Validation thinking Technical Round • NOT focused on coding/syntax anymore • Focus is: • Thought process • System design • “How would you solve this?” approach Less LeetCode, more real-world engineering thinking Frontend Expectations (Important Clarification) • NOT expecting strong UI specialists • Candidates should: • Understand UI basics • Be able to work within existing Angular apps • Know how to: • Make API calls • Handle auth/authentication from UI No need for: • Building UIs from scratch • Deep UI/UX expertise Backend is the Priority (70–80%) • Strong backend is critical because: • Data is central (especially for future AI work) • UI is secondary Ideal profile: • Backend-heavy engineer • Can work across the stack, not necessarily expert in all layers

Skills

go sql fastapi django rust java angular python postgresql

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Job Information

Company:
Yeshnex IT Solutions
Location:
Rockville, Maryland, US
Job Type:
Contract
Experience Level:
Senior
Source:
JSearch
Status:
Active

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67 /100

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