Jobs

QIT Software is looking for an experienced App Developer to build, launch, and maintain an application on one or more major SaaS marketplaces such as:
- Shopify
- HubSpot
- Canva
- Adobe
- Figma
- Slack
- Salesforce
- Others


You’ll own the full lifecycle of development — from integrating our APIs and authentication flows to deploying and maintaining the app post-launch.

Ideal candidates have previously built production-ready marketplace apps or third-party integrations connecting APIs between platforms.

Details:
- Client: USA
- Tech stack: Python, Node.js, TypeScript, SQL/NoSQL, APIs, etc.
- Timezone: 8 hours overlap with PST


Requirements:

- Proven experience developing apps for Shopify, HubSpot, Canva, Adobe, Slack, or similar ecosystems
- Strong experience in  Node.js,
- Hands-on experience with REST APIs, webhooks, and OAuth 2.0
- Knowledge of deployment best practices (cloud hosting, CI/CD pipelines)
- Familiarity with marketplace submission and approval processes
- Excellent communication and ownership mindset
- Must align full-time with PST timezone

Responsibilities:

- Develop and launch a fully functional app or integration on a major SaaS platform
- Connect and extend our product’s functionality through REST APIs and webhooks
- Implement secure authentication (OAuth 2.0) and handle multi-tenant configurations
- Manage submission, approval, and version updates on marketplace
- Provide ongoing support, maintenance, and improvements post-launch

Work conditions:

- The ability to work remotely from anywhere in the world;
- Flexible work schedule, no micromanagement, no strict deadlines and free overtime work;
- Work in European and American products with a modern technology stack in different industries (Finance, Technology, Health, Construction, Media, etc.);
- Revision of wages every year or on an individual basis;
- Accounting support and full payment of taxes by the company;
- 100% compensation for remote English lessons;
- 15 paid leaves (PTO) and public holidays.

Project:

Gaming platform automation bot as a service

We run >10000 chrome workers at same time
to execute strategies for profit.
 

Stack:

node.js, Pgsql, temporal
 

Core responsibility:
* Design, build and optimize algorithms and strategies
 to increase profits and optimize performance

Main advantages:
* Flexibility. 2 mandatory meetings weekly
* Small team obsessed with analisys/retrospective/excellence

QIT Software is seeking an experienced Data Scientist or Data Analyst to help export, clean, analyze, and report on data from multiple systems. The ideal candidate will have strong technical skills in SQL and either R or Python, experience working with Firebase data, and the ability to build clear dashboards and reports using Microsoft Fabric and Power BI.

This role will involve transforming raw data into meaningful insights that can support operational and strategic decision-making. The position requires someone comfortable working with large datasets, structuring data pipelines, and presenting insights in a clear and actionable format.

Requirements:
- Strong experience with SQL for querying and data manipulation
- Proficiency in R or Python for data analysis
- Experience exporting and working with Firebase data
- Hands-on experience with Microsoft Fabric and Power BI for reporting and dashboard development
- Experience with data cleaning, ETL processes, and dataset normalization
- Ability to translate complex data into clear visual reports and insights
- Strong communication and documentation skills

Responsibilities:
- Export and consolidate data from multiple sources including Firebase and SQL databases
- Clean, transform, and structure raw datasets for analysis and reporting
- Write efficient SQL queries to extract and manipulate data
- Perform data analysis using R or Python
- Design and maintain dashboards and reports using Microsoft Fabric and Power BI
- Identify trends, anomalies, and insights from operational or customer data
- Document data models, processes, and queries for ongoing reporting
- Collaborate with internal stakeholders to understand reporting needs and deliver actionable insights

Would be a plus:

- Experience building automated data pipelines
- Experience integrating multiple data sources (APIs, cloud databases, SaaS tools)
- Experience working with large operational or customer datasets
- Familiarity with cloud data environments

Work conditions:

- The ability to work remotely from anywhere in the world;
- Flexible work schedule, no micromanagement, no strict deadlines and free overtime work;
- Work in European and American products with a modern technology stack in different domains (Finance, Technology, Health, Construction, Media, AI, Blockchain, etc.);
- Revision of wages every year or on an individual basis;
- Accounting support;
- 100% compensation for remote English lessons;
- 15 paid leaves (PTO) and public holidays.

Full-time, long-term cooperation, 3 steps to the job offer.

Team: up to 25 employees.
 

Position Overview:
The company is a fast-moving, innovative startup revolutionizing the way businesses communicate through video. As they resume their growth trajectory, we are looking for top-tier engineering talent to join their R&D team and help shape the future of their product. They thrive in a high-intensity, hands-on environment, and we are looking for developers who do the same.
 

Who We’re Looking For

We are seeking a Full-Stack Engineer with strong experience, a product mindset, and the ability to thrive in a fast-paced startup culture. You will work closely with product, data, sales, and customers to design and build high-impact features that delight our users.
 

This is a full-time, in-office role with no remote work option. Candidates must be ready for a high-commitment, startup-style work culture with result goals.
 

What You'll Do:

• Develop features end-to-end: from grooming, design reviews, coding, and testing, to deployment and monitoring in production
• Lead the development of groundbreaking features that deliver tangible customer impact
• Play a key role in architectural decisions and long-term technical planning
• Mentor other developers and lead by example in writing clean, scalable, maintainable code
• Collaborate with cross-functional teams (product, support, sales) throughout the development lifecycle
   

What You Bring:

• Minimum 3 years of professional software development experience
• Proven ability to lead features from design to delivery
• Exceptional communication skills and a team-player mindset
• Strong React.js, JavaScript, CSS/HTML, and Node.js experience
• Background at a top-tier tech company or high-impact startup
• Strong professional references
• Willingness to work long hours and fully commit to a demanding environment
   

Nice to Have

• Experience with AI technologies or AI-driven product development
• Familiarity with AWS cloud development (Lambda, DynamoDB, Serverless framework)
• Previous exposure to Styled Components and modern front-end tooling
   

Why Join Them?

• A chance to make a real impact as part of a lean, driven team
• Opportunities to shape the future of the product and tech stack
• Above-market compensation for exceptional talent
• An intellectually stimulating environment with like-minded professionals
   

Application Process:

This is a selective and competitive hiring process. Please ensure your application includes:

• A resume/CV
• A tailored cover letter (required) explaining your motivation, key achievements, and what you can bring to the team.

About the role

You will be a Core Developer in our product team, taking charge of developing and scaling our mobile product. This is a high-impact position where you’ll be involved in the entire product lifecycle: from building core product features and modern UIs to designing a reliable, fast, and efficient infrastructure around it. You’ll work directly day-to-day with the General Manager and have a clear, measurable impact on the product’s unit economics.

Technical stack: AI-driven Engineering, Flutter, Next, React.

What you need for this position

• You’re an AI-augmented engineer. You actively use tools like Copilot, Cursor, or Claude to speed up your routine, refactor efficiently, and solve problems faster.
• You communicate openly and feel comfortable in a fast-paced agile team where things can change rapidly.
• You’re a truly product-oriented engineer. You don’t just write code in a vacuum — your technical decisions are always driven by real product and engineering metrics, keeping business goals in mind.
• You can solve product and business problems end-2-end completely solo. You know how to take a high-level problem description and turn it into an efficient, working engineering solution without needing someone to hold your hand.
• 3+ years of mobile development experience with Flutter and 5+ years of experience as a SE.
• Familiarity with Google Cloud Platform, particularly Firebase services including Firestore, Storage, and Performance, as well as experience with Firebase Flutter SDK, Bloc, and Hive storage.
• Understanding of the app publishing process for stores.
• Hands-on experience with Next and React to build web (short on experience? That’s completely OK, provided you can deliver effectively by leveraging AI tools and are eager to pick up new tech quickly)

Hiring Process

Stage 1: Interview with HR (1h).

Stage 2: Interview with VP of Engineering.

Stage 3: Technical interview.

Stage 4: Interview with the team.

What we offer for your success

• Very warm and friendly working environment and flexible working schedule.
• 20 days off + paid national holidays, and 12 sick days paid by the company per year.
• Medical insurance, and health protection programs (with COVID-19 and dental coverage).
• Continuous professional development and growth opportunities.

In a partnership with a leading Spanish consulting partner, we are seeking for a Senior SAP SD Consultant. You will be responsible for mapping complex sales processes into SAP S/4HANA, ensuring seamless integration with Procurement (MM) and Finance (FI) while working directly with the client's internal teams in Barcelona.

Key Responsibilities

• Process Mapping: Analyze "As-Is" sales and distribution processes and design "To-Be" solutions within S/4HANA.
• On-site Configuration: Perform hands-on customizing of the SD module, including pricing procedures, credit management, billing, and shipping.
• Localization: Manage specific Spanish legal requirements (SII - Suministro Inmediato de Información, etc.) if applicable to the client's domestic operations.
• Legacy Migration: Lead data cleansing and migration activities from ECC 6.0 or non-SAP systems to the new environment.
• User Training & UAT: Conduct on-site User Acceptance Testing (UAT) and provide "train-the-trainer" sessions for the client's key users.
• Post-Go-Live Support: Provide immediate "floor support" during the stabilization phase of the project.

Technical & Professional Requirements

• Experience: +5 years of functional experience in SAP SD. At least one full lifecycle implementation of S/4HANA is mandatory for this project duration.
• Technical Depth: * Advanced knowledge of Pricing (VOFM), Output Determination, and ATP (Available to Promise).
• Strong understanding of Logistics Execution (LE).
• Experience with EDI/iDocs for automated customer orders.

In a partnership with a leading Spanish consulting partner, we are seeking for a Senior SAP SuccessFactors Consultant. As a Senior Consultant, you will lead the functional design, configuration, and implementation of SAP SuccessFactors modules for international clients. You will act as the bridge between business requirements and technical execution, ensuring the solution is scalable and aligned with SAP Best Practices.

Key Responsibilities

• Project Leadership: Lead end-to-end implementation cycles (Discovery, Design, Configuration, Testing, and Go-Live) for one or more SSFF modules.
• Functional Design: Facilitate workshops to gather business requirements and translate them into functional specifications and workbooks.
• Configuration & Integration: Perform hands-on configuration of the SuccessFactors suite. A major focus is often placed on Employee Central (EC) and integrations using Business Integration Builder (BIB) or Point-to-Point (PTP).
• Data Migration: Oversee or execute data mapping and migration from legacy systems (SAP HCM or third-party) to SuccessFactors.
• Support & Optimization: Provide high-level AMS (Application Management Support) for post-go-live incidents and complex system enhancements.
• Stakeholder Management: Manage relationships with key client stakeholders, providing strategic advice on HR digital transformation.

Technical & Professional Requirements

• Experience: Minimum of 5+ years of proven experience in SAP SuccessFactors projects.
• Certifications: Active SAP SuccessFactors Professional/Associate Certification (Employee Central is highly preferred).
• Technical Knowledge:
• Strong proficiency in Employee Central (EC).
• Experience with Integration Center, CPI (Cloud Platform Integration), and BIB.
• Knowledge of Spanish and English at a professional level (B2/C1).
• Soft Skills: Leadership capacity to manage small teams of junior consultants and high analytical skills for troubleshooting.

Join one of the EPAM teams and help to build SaaS for the client

Develop RESTful APIs (OData) based on SAP CAP on Java and Spring Boot

Requirements:

Strong JAVA Backend development skills

Solid understanding of Spring Boot 

Knowledge of SAP CAP based Java

Experience in REST API implementation 

Understanding of Domain-driver Design

Capable to drive initiatives;

Knowledge of DevOps Tools (e.g. Jenkins), S/4 HANA DMS, and ABAP would be added advantage

The practice of modern software engineering includes coding standards, code reviews, source control management, build processes, testing, and releasing

Our Mission and Vision

At Solidgate, our mission is clear: to empower outstanding entrepreneurs to build exceptional internet companies. We exist to fuel the builders — the ones shaping the digital economy — with the financial infrastructure they deserve. To achieve that, we’re on a bold path: to become the #1 payments orchestration platform in the world.

About the Team and Role

We’re looking for a proactive, business-minded Go Engineer to join the team building products that help our customers cut down on fraud-related risks. You’ll get to work on our brand new Representment product — saving our merchants hundreds of thousands of dollars.

If you thrive in a high-performing team that moves fast, aims high, and values ownership above all, this is your stage. Our culture is demanding, transparent, and deeply collaborative. It’s not for everyone — but if you want to raise the bar every day alongside equally driven teammates, this is where you belong.

Explore our technology stack ➡️ here (https://solidgate-tech.github.io/)
 

What you’ll need to do

• Build the Dispute module: collect data from payment systems and make it clear for clients
• Launch the Representment module: create interfaces and APIs for merchants to upload evidence and push it to the Schemes
• Integrate with global payment giants: Stripe, Adyen, PayPal
• Roll out new products with Mastercard, Visa, AMEX

• Develop the financial backbone: invoicing, billing, reconciliation at scale

   

You’re a great fit if you have

• 4+ years of backend development experience, mostly with Go
• Proficiency with PostgreSQL
• Proven track record with microservices
• Strong grasp of high-load system design
• Solid test coverage: unit, integration, functional, and e2e
• Proactive and results-driven mindset
• Initiative and strong decision-making skills

• Solid understanding of business processes

   

Nice to have

• Background in fintech or the financial sector
• Knowledge of Apache Kafka or RabbitMQ

• Familiarity with AWS and modern CI/CD

   

Why Solidgate?

• High-impact role. You’re not inheriting a perfect system — you’re building one.
• Great product. We’ve built a fintech powerhouse that scales fast. Solidgate isn’t just an orchestration player — it’s the financial infrastructure for modern Internet businesses. From subscriptions to chargeback management, fraud prevention, and indirect tax — we’ve got it covered. We hold financial licenses in key regions and are a direct Visa & Mastercard partner and sub-reseller (top 5 globally).
• Massive growth opportunity. Solidgate is scaling rapidly — this role will be a career-defining move.
• Huge scale. Every month we process 700k prevention alerts, 150k fraud alerts, and 150k chargebacks.
• Top-tier tech team. Work alongside our driving force — a proven, results-driven engineering team that delivers. We’re also early adopters of cutting-edge fraud and chargeback prevention technologies from the Schemes.
• Modern engineering culture. TBDs, code reviews, solid testing practices, metrics, alerts, and fully automated CI/CD.
  
   

💌 The Extras: 30+ days off, unlimited sick leave, free office meals, health coverage, and Apple gear to keep you productive. Courses, conferences, sports and wellness benefits — all designed for ideas, focus, and fun.

Tomorrow’s fintech needs your mindset. Come build it with us.

We’re hiring a Senior Mobile Developer to help us build and scale a subscription-based mobile app.

This role is for a strong senior IC who owns complex features end-to-end, writes high-quality code, improves architecture, and thinks systematically. We value people who think through problems before implementation and communicate clearly.

Tech Stack

• React Native
• Expo (bare workflow)
• TypeScript (strict, production-grade)
• RevenueCat (subscriptions & entitlements)
• Superwall (paywalls & experimentation)

• iOS & Android (App Store & Google Play)

   

Responsibilities

• Own complex features from problem definition to production release.
• Write high-quality, maintainable React Native code.
• Improve existing architecture and reduce tech debt without slowing product velocity.
• Review PRs with a focus on correctness, readability, and long-term maintainability.
• Collaborate closely with product and design to turn goals into clear technical plans.

• Take senior-level ownership: identify risks early, think through solutions, and ship reliably.

   

What We’re Looking For

• Strong experience shipping production React Native apps.
• Hands-on experience with subscription-based products, including:
  • Paywalls and onboarding → subscription flows
  • Entitlements and access control
  • Handling edge cases (upgrades, downgrades, refunds, restore purchases)
• Experience with RevenueCat and/or Superwall.
• Excellent written and verbal communication.
• Systematic, linear thinker who plans before coding.
• Comfortable working independently and making sound technical decisions.

Nice to Have

• Experience using AI tools or APIs to automate workflows, improve developer productivity, or enhance user experience.
• Experience with mobile analytics, experimentation, or A/B testing.
• Familiarity with performance optimization and debugging on mobile.
• Startup or product-driven team experience.

How We Work

• We prioritize clarity, thoughtful planning, and high-quality execution.
• We favor systematic thinking over rigid methodology.
• Decisions are documented and tradeoffs are explicit.

What Success Looks Like

• Subscription flows are reliable, measurable, and optimized.
• Complex features ship with confidence and minimal regressions.
• Architecture steadily improves, making the codebase easier to extend.
• Engineering work stays aligned with product goals.

A direct contract with the product company (PropTech, US).

Work schedule: remote CET business hours.

We’re offering a long-term opportunity for a highly senior React Native expert to join the platform engineering team. You’ll shape architecture, build native bridges, own Fastlane pipelines, and drive.

About Elevated Living Product:

Elevated Living has been improving the resident experience for over seven years. We created a single, all-in-one platform that makes it easy for property managers and resident staff to work together. Our goal is simple: to provide the best experience for residents by replacing multiple, confusing apps with one easy solution.

This is a stable, long-term project that continues to grow, and you'll have the chance to be part of its ongoing success.

Our primary technology stack revolves around JavaScript. We use React for the front-end, Node.js for the back-end, and React Native for mobile development.

About the role: 

We’re looking for a Senior React Native engineer to strengthen our platform engineering team. You’ll architect core mobile systems, build native-to-RN bridges, manage Fastlane pipelines, and lead OTA update strategies for a high-impact US product.

Requirements:

Advanced platform & mobile engineering skills (core for this Senior role):

Experience with Fastlane build pipelines

Ability to write Native to React Native Bridges (iOS and/or Android)

Experience with CodePush and/or Expo Updates.

Other essential skills:

5+ years of development experience with React Native

Practical knowledge of Vanilla JavaScript and TypeScript

Experience working with REST APIs

Hands-on experience with state management: Redux, Context API or MobX

Strong understanding of ECMAScript specifications

Good knowledge of Git and modern branching workflows

English — Upper-Intermediate+

Recruitment process: intro (HR) -> technical -> final with PM

Main Responsibilities:

Data Engineer is responsible for helping select, deploy, and manage the systems and infrastructure required of a data processing pipeline to support customer requirements.

You will work on cutting-edge cloud technologies, including Microsoft Fabric, Azure Synapse Analytics, Apache Spark, Data Lake, Data Bricks, Data Factory, Cosmos DB, HD Insights, Stream Analytics, Event Grid in the implementation projects for corporate clients all over EU, CIS, United Kingdom, Middle East.

Our ideal candidate is a professional passionated with technologies, a curious and self-motivated person.

Responsibilities revolve around DevOps and include implementing ETL pipelines, monitoring/maintaining data pipeline performance, model optimization

Mandatory Requirements:

– 3+ years of experience, ideally within a Data Engineer role.

– understanding of data modeling, data warehousing concepts, and ETL processes

– 2+ years of experience with Azure Cloud technologies

– experience in distributed computing principles and familiarity with key architectures, broad experience across a set of data stores (Azure Data Lake Store, Azure Synapse Analytics, Apache Spark, Azure Data Factory)

– Understanding of landing, staging area, data cleansing, data profiling, data security and data architecture concepts (DWH, Data Lake, Delta Lake/Lakehouse, Datamart)

– SQL-skills

– communication and interpersonal skills

– English —В2

Will be beneficial if a candidate has experience in SQL migration from on-premises to cloud, data modernization and migration, advanced analytics projects, and/or professional certification in data&analytics.

We offer:

– professional growth and international certification

– free of charge technical and business trainings and the best bootcamps (worldwide, including HQ Microsoft- Redmond courses)

– innovative data & analytics projects, practical experience with cutting-edge Azure data&analytics technologies at various customers’ projects

– great compensation and individual bonus remuneration

– medical insurance

– long-term employment

– ondividual development plan

We are looking for an experienced Ruby on Rails Engineer to join a product-driven team working on scalable web applications with a strong focus on performance, clean architecture, and business impact. The role involves building and maintaining backend services, integrating third-party systems, and collaborating closely with frontend and product teams.

Details

• Location: Fully Remote
• Employment Type: Full-time
• Start Date: ASAP
• Language Requirements: English – Upper-Intermediate or higher
• Time Zone Overlap: At least 2–3 hours with CET / US time zones

Key Responsibilities

• Develop, maintain, and scale backend services using Ruby on Rails
• Design and implement RESTful APIs and backend business logic
• Work with relational databases, ensuring performance and data integrity
• Integrate third-party services (payments, marketplaces, external APIs)
• Collaborate with frontend developers, product managers, and QA
• Write clean, maintainable, and well-tested code
• Participate in code reviews and architectural discussions

Requirements

• 4+ years of commercial experience with Ruby on Rails
• Strong understanding of MVC architecture and Rails ecosystem
• Experience with PostgreSQL / MySQL
• Solid knowledge of REST APIs and background jobs (Sidekiq or similar)
• Familiarity with Git and modern development workflows
• Experience working in Agile/Scrum environments
• Ability to work independently in a remote setup

Nice to Have

• Experience with Hotwire / Turbo / Stimulus
• Background in marketplace or e-commerce platforms
• Experience with cloud platforms (AWS / GCP)
• Knowledge of Docker and CI/CD pipelines
• Basic frontend skills (HTML, CSS, JavaScript)

Headway Inc is a global tech company, revolutionizing lifelong learning by creating digital products for over 150 million users worldwide. Our mission is to help people grow. We’re proud to be ranked 4th among the World’s Top EdTech Сompanies by TIME magazine. We believe lifelong learning should be accessible, personalized, and impactful to each individual. That’s how we change the world and why we bring together exceptional minds.

The core of our achievements is our team. We believe in people and shared values SELECT. That’s why, together with Mariana Boloban, our Head of People, we’re looking for HR Manager to join our team of superstars transforming the EdTech industry.

What team will you be a part of?

Our People Operations team — the strategic partner that helps Headway Inc stay focused, fast, and aligned. We work closely with every Tribe to strengthen leadership, build high-trust collaboration, ensure healthy performance, and create scalable people practices.

In this role, you’ll shape how teams grow, navigate challenges, and thrive through rapid change.
 

This job is perfect for you if you:

— Want to act as a strategic partner to managers — guiding them through challenges, goals, and team dynamics.

— Enjoy building structure in fast-paced environments and scaling processes that create real value.

— Look for a role where freedom equals responsibility, and where initiative is truly welcomed.

— Know how to balance care and challenge, influencing leaders through trust, thoughtful feedback, and data-driven insights.

— Easily turn complexity into clarity and people data into actionable solutions.

What will you do:

— Drive the full employee lifecycle within the Tribe: onboarding → development → performance → engagement → offboarding.

— Partner closely with managers of the Marketing Tribe to strengthen feedback culture, goal-setting, team alignment, and leadership practices.

— Lead and improve performance cycles, manage low-performance cases, run calibrations, and support growth and development plans.

— Analyze people data (eNPS, turnover, headcount, workload, engagement signals) and translate it into clear recommendations.

— Co-create and enhance people processes with People Infrastructure and Talent Acquisition Squads.

— Strengthen engagement, trust, and cross-team collaboration within the Marketing Tribe.
 

What do you need to join us:

— 4–6 years of experience in HR within fast-growing product or tech companies.

— At least 2 years in an HRBP/HR Manager role with hands-on partnership with managers.

— Experience supporting 15+ managers: coaching, leadership development, complex case handling and working with big teams (70–100+ people)

— Hands-on experience working closely with teams and effectively navigating complex people-related cases.

— Solid expertise across the full employee lifecycle.

— Strong background in policy, process, and framework development.

— Upper-Intermediate+ English.

— Alignment with the values of our team (SELECT).

What do we offer:

— Work within an ambitious team on a socially impactful education product.

— An office with a reliable generators, satellite internet, and other amenities.

— Access to our corporate knowledge base and professional communities.

— Personal development plan.

— Compensation for English language learning, external training, and courses.

— Medical insurance and full sick leave compensation.

— Sports activities: running, yoga, boxing, and more.

— Corporate holidays: we go on a week-paid holiday to rest and recharge twice a year.

— Supporting initiatives that help Ukraine. Find out more about our projects here.
 

Are you interested? Send your CV!

We are looking for a Mobile Software Engineer to help build and evolve a decentralized mobile wallet powered by a deterministic Rust SDK. This role focuses primarily on Swift development while requiring strong systems thinking and comfort working across Swift  Rust FFI boundaries. 

- The tech stack that you will interact with will be Swift, Rust, Kotlin, Rust FFI, and Objective C, mostly in that order. 
- You will be working with engineers and developers on the mobile team within our org, Dash Core Group. 
- This is an opportunity to work remotely in a team that uses modern coding practices and operates without a centralized backend, prioritizing client-side verification and security. 

Responsibilities:
- Collaborate with engineers to design, implement, and ship new wallet features.
- Implement wallet features on top of a deterministic SDK, ensuring correctness and security across the full stack.Improve our mobile SDKs. 
- This may involve improvements to the foundational Rust SDK.
- We use AI-assisted development tools. 
- Engineers are expected to critically evaluate and validate all generated code.Improve our continuous integration.

Requirements Either: 
- 3+ years professional software engineering experience, with significant experience in Swift (production iOS apps). 
- Exceptional recent graduates with demonstrable systems, distributed systems, compiler, or cryptography experience.
- Strong understanding of deterministic state machines and ability to reason about correctness in financial or security-sensitive systems.
- Comfortable working across language boundaries (Swift  Rust FFI), including understanding of memory ownership, threading, and error propagation.
- Conceptual understanding of cryptographic primitives (hashes, signatures, key derivation, Merkle trees).
- Experience building mobile applications that rely on complex local business logic or SDKs.
- Strong debugging skills across stack boundaries (mobile  SDK  networking).
- Proficient with Git and modern collaborative workflows.
- Strong Linux/macOS command-line skills.Ability to work remotely in a self-directed environment.
- Strong written and spoken English.
- This is not a typical UI-focused mobile role. 
- Candidates should be comfortable reasoning about state, correctness, and security in adversarial environments.

Nice to Have: 
- Working knowledge of Rust.
- Experience working with Rust FFI or other foreign-function interfaces.
- Experience with Android development.Understanding of UTXO vs account-based blockchain models.
- Familiarity with SPV or client-side transaction verification.
- Experience with cryptographic or privacy-preserving systems.
- Background in distributed systems.
- Comfort verifying and correcting AI-generated code in security-sensitive environments.