CrunchCode

Full-time · 6–8 months · English B2+

About the role

We're an AI-first SaaS startup modernizing how professional services firms handle their core work — documents, search, and matter management. Our software automates workflows that used to require hours of manual effort.

We're looking for a senior engineer who can own large chunks of product end-to-end: design the architecture, build it, ship it to production, and keep it running. No hand-holding, no waiting for specs to be handed down.

What you'll do

• Take full technical ownership of complex features — from architecture to deployment
• Build and ship AI-powered workflows: LLM agents, document processing pipelines, tool calling
• Design backend systems that hold up under load: APIs, async workers, queues, third-party integrations
• Debug production issues across the full stack using traces and logs
• Use AI coding tools (Claude Code, Cursor, Codex) as a daily part of your workflow — not occasionally, but habitually

Requirements

• 7+ years of professional software engineering
• Strong Python with FastAPI (or similar) and TypeScript with React
• Advanced SQL and schema design — PostgreSQL preferred
• Cloud infrastructure experience: Azure, AWS, or GCP; Docker; CI/CD pipelines
• Deep understanding of async system design: reliable APIs, workers, queues
• Production experience with LLM features, agents, prompt workflows, and RAG/search systems
• Hands-on with observability tools: Datadog, PostHog, Langfuse, or OpenTelemetry
• Track record of autonomous, end-to-end delivery — you've shipped production systems solo before

Stack

Python · FastAPI · TypeScript · React · PostgreSQL · Docker · Azure/AWS/GCP · OpenAI/Anthropic APIs · Langfuse · Datadog

Full-time · Remote · Start: ASAP (3–4 weeks)

About the role

We're building a social commerce platform for the Middle East — live shopping, real-time auctions, and community-driven discovery in one place. Think TikTok Shop meets eBay Live, built for a market that moves fast.

We need a hands-on engineer to own our entire data and automation engine: from raw behavioral events to personalized recommendations, automated lifecycle messaging, and production AI. This is not a research role. You will ship things that directly drive revenue and retention.

What you'll own

Data platform & warehouse Design and maintain our central OLAP warehouse (ClickHouse or equivalent). Build reliable ingestion pipelines. Be the person who ensures clean, trusted data across the organization.

Behavioral event tracking Instrument mobile and web apps to capture the full user journey — watch time, bid activity, follows, purchases. Own identity resolution across sessions and devices.

Growth data activation Build reverse ETL pipelines from the warehouse into ad platforms and marketing tools: Meta CAPI, Google Ads, Braze, Customer.io, WhatsApp API. Automate audience sync and campaign triggers.

Lifecycle automation & personalization Design behavior-based trigger logic (cart abandonment, livestream reminders, re-engagement flows). Build ranking and recommendation models for products and live shows.

Production AI integration Deploy LLM-powered workflows for seller onboarding, content moderation, and customer support automation. Own cost controls, evaluation pipelines, and reliability of these systems in production.

Requirements

• 7+ years in data engineering, software engineering, or data architecture
• Production-grade Python and SQL — you write code that runs in prod, not notebooks
• Proven experience building OLAP warehouses: ClickHouse, BigQuery, Snowflake, or Redshift
• Experience with event tracking and identity resolution: Segment, RudderStack, PostHog, or similar
• Experience connecting warehouses to marketing/CRM tools via Reverse ETL: Hightouch, Census, or direct integrations
• Shipped LLMs or RAG systems in production — demos and side projects don't count
• Strong communication: you can explain data trade-offs to non-technical stakeholders clearly

Nice to have

• Background in e-commerce, marketplaces, or consumer apps
• Experience with recommendation systems, personalization algorithms, or vector databases
• Familiarity with real-time streaming metadata (LiveKit, WebRTC)

Stack you'll work with

ClickHouse · Python · dbt · Segment / RudderStack · Meta CAPI · Braze · Customer.io · Hightouch · OpenAI / Anthropic APIs · vector databases

Why this role

• You'll be the first dedicated data/AI engineer — high ownership, high impact
• Fast-growing market with real behavioral data from day one
• Direct line to product and business decisions
• Competitive compensation, remote-friendly

About the Project

The company has built an online platform for peer review and independent publication of academic manuscripts. Authors upload their papers, go through a peer-review process, and readers gain access to the resulting review reports. The platform consists of two parts: a public and private portal for authors and reviewers (manuscript upload, payments, review workflows, and report generation) and an internal management panel used by the company's own staff.

The platform is approximately 90% complete, built by a previous vendor whose engagement ended due to significant delivery delays. The existing codebase contains bugs, deviations from the original specification, one missing critical component, and outdated dependencies. We are looking for a Lead Developer to take ownership of this codebase, stabilize it, complete the remaining work, and bring the platform to a reliable, commercially launchable state.

What You'll Do

You will play a leadership role within the customer's development process — not writing code yourself, but directing, validating, and de-risking delivery across the audit, stabilization, and completion phases.

• Audit the current system, architecture, and end-to-end workflows; document issues, gaps, and deviations from spec; produce a prioritized inventory that separates Go-Live-critical items from non-critical improvements.
• Lead the development team through stabilization and the remaining phases — setting priorities, defining work packages, and ensuring critical issues and the missing component are resolved.
• Validate the team's deliverables at a system level — confirming they meet agreed requirements, quality standards, and acceptance criteria before sign-off.
• Verify that core workflows run reliably end-to-end so the company can begin sales and onboard users smoothly.
• Surface technical risks early and advise on technical decisions and trade-offs.
• Contribute to requirements definition, scope, deliverables, and acceptance criteria — including technical input on MSAs/SOWs where relevant.
• Establish lightweight delivery processes and governance to keep progress transparent, controlled, and on track.

Tech Stack

• Frontend: Angular
• Backend: Node.js
• Database / Infrastructure: PostgreSQL on AWS; Nginx
• Source / Docs: GitHub
• Integrations: ~5 third-party services covering payments, plagiarism checking, reviewer matching, and document handling
• Scope: ~14 major functional modules (manuscript submission, peer-review management, reviewer matching and workflows, payment processing, PDF/report generation, publication of review outcomes, notifications, and admin/management functions)

What We're Looking For

Must-Have

• Senior, hands-on engineer with a track record of leading software products into production.
• Strong command of the stack: Angular, Node.js, PostgreSQL, and AWS (Nginx-based setups a plus).
• Demonstrated experience with legacy system takeovers, audits, and stabilization of inherited codebases — comfortable navigating unfamiliar, imperfect code and making it reliable.
• Experience integrating and troubleshooting third-party services and APIs (payments, document handling, etc.).
• Ability to assess and prioritize technical risk, and to clearly distinguish critical blockers from nice-to-haves.
• Strong written communication: able to produce clear audit findings, work packages, and status updates that non-engineering stakeholders can act on.

Nice-to-Have

• Background as a Tech Lead.
• Experience working alongside external development or implementation vendors.
• Exposure to reviewing or drafting the technical portions of contracts (MSA/SOW): requirements, deliverables, milestones, and acceptance criteria.
• Familiarity with the domain: academic publishing, peer review, SaaS marketplaces, or document- and payment-heavy platforms.
  
  Engagement Details
• This is a part-time consulting engagement with a minimum commitment of 20 hours per month. The role offers flexible scheduling and can be performed fully remotely.

Location: Europe (with occasional business travel)

About the Role

We are looking for an experienced Senior Solution Architect to drive the design and evolution of scalable, cloud-native solutions within a distributed microservices environment. This role requires a strong architectural mindset, deep technical expertise, and the ability to bridge business needs with technology strategy.

Key Responsibilities

• Analyze business needs and transform them into solution designs, use cases, data models, and system integration concepts.
• Design and maintain scalable, secure, and cost-effective software architectures that support long-term business goals.
• Collaborate closely with DevOps teams to define cloud infrastructure and deployment strategies following cloud-native principles.
• Provide technical leadership across engineering teams, conduct architecture reviews, and guide key technical decisions.
• Assess and recommend appropriate technologies, frameworks, and architectural approaches.
• Establish architecture standards, governance processes, and ensure compliance with security and regulatory requirements.
• Coordinate architecture initiatives across multiple systems and platforms.
• Act as a bridge between technical and business stakeholders, clearly communicating architectural decisions and their impact.

Required Qualifications

• 4+ years of experience in a Solution Architect, Enterprise Architect, or Software Architect role.
• Proven experience designing and implementing distributed, cloud-native systems based on microservices architecture.
• Strong expertise with AWS and Kubernetes ecosystems.
• Solid experience designing secure systems, including Identity & Access Management (IAM), encryption mechanisms, and compliance-focused architectures.
• Hands-on background in Java Enterprise development and Spring Framework.
• Strong analytical and problem-solving skills, with a deep understanding of how software architecture interacts with infrastructure and hardware environments.
• Ability to lead technical discussions and influence architectural direction across teams.

Language Requirements

• English: B2 (Upper-Intermediate) or higher
• Ukrainian: Native speaker

Location: Europe (remote)
Duration: ~12 months contract
Working Hours: European time zone
 

We are looking for an experienced Senior Backend Engineer / Tech Lead to join a FinTech project and play a key role in designing and building scalable backend systems from the ground up.

Responsibilities

• Design and develop scalable backend services and distributed systems
• Architect solutions from scratch and drive technical decision-making
• Lead backend development initiatives and provide technical guidance to the team
• Ensure high performance, reliability, and maintainability of services
• Collaborate closely with product, engineering, and business stakeholders
• Take ownership of architecture, delivery, and technical excellence

Technical Environment

• Node.js / TypeScript (Express, NestJS)
• GraphQL
• Microservices architecture following clean architecture principles
• Event-driven systems (Pub/Sub) and Transactional Outbox pattern
• Google Cloud Platform (Cloud Run)
• Terraform (Infrastructure as Code)
• Spanner, PostgreSQL, Redis, Elasticsearch
• Python (FastAPI) – nice to have

Requirements

• 5+ years of backend engineering experience (strong Senior level required)
• Proven track record of architecting and building systems from scratch
• Strong expertise in system design and distributed architectures
• Hands-on experience with microservices and event-driven architectures
• Strong experience with Node.js and TypeScript
• Finance / FinTech domain experience is mandatory
• Excellent English communication skills
• Leadership experience and strong ownership mindset
• Ability to work independently and drive technical initiatives

Nice to Have

• Experience with Python and FastAPI
• Experience working in high-scale cloud-native environments
• Previous experience leading engineering teams or technical streams

What We Offer

• Long-term FinTech project (~1 year)
• Fully remote work within European time zones
• Opportunity to influence architecture and technical strategy
• Competitive compensation package