Jobs at Djinni

Project description

The project is for one of the world's famous science and technology companies in pharmaceutical industry, supporting initiatives in AWS, AI and data engineering, with plans to launch over 20 additional initiatives in the future. Modernizing the data infrastructure through the transition to Snowflake as a priority, as it will enhance capabilities for implementing advanced AI solutions and unlock numerous opportunities for innovation and growth.

We are seeking a highly skilled Snowflake Data Engineer to design, build, and optimize scalable data pipelines and cloud-based solutions across AWS, Azure, and GCP. The ideal candidate will have strong expertise in Snowflake, ETL Tools like DBT, Python, visualization tools like Tableau and modern CI/CD practices, with a deep understanding of data governance, security, and role-based access control (RBAC). Knowledge of data modeling methodologies (OLTP, OLAP, Data Vault 2.0), data quality frameworks, Stream lit application development and SAP integration and infrastructure-as-code with Terraform is essential. Experience working with different file formats such as JSON, Parquet, CSV, and XML is highly valued.

Responsibilities

Design and develop data pipelines using Snowflake and Snow pipe for real-time and batch ingestion.

Implement CI/CD pipelines in Azure DevOps for seamless deployment of data solutions.

Automate DBT jobs to streamline transformations and ensure reliable data workflows.

Apply data modeling techniques including OLTP, OLAP, and Data Vault 2.0 methodologies to design scalable architectures.

Document data models, processes, and workflows clearly for future reference and knowledge sharing.

Build data tests, unit tests, and mock data frameworks to validate and maintain reliability of data solutions.

Develop Streamlit applications integrated with Snowflake to deliver interactive dashboards and self-service analytics.

Integrate SAP data sources into Snowflake pipelines for enterprise reporting and analytics.

Leverage SQL expertise for complex queries, transformations, and performance optimization.

Integrate cloud services across AWS, Azure, and GCP to support multi-cloud data strategies.

Develop Python scripts for ETL/ELT processes, automation, and data quality checks.

Implement infrastructure-as-code solutions using Terraform for scalable and automated cloud deployments.

Manage RBAC and enforce data governance policies to ensure compliance and secure data access.

Collaborate with cross-functional teams including business analysts, and business stakeholders to deliver reliable data solutions.

Skills

Must have

Strong proficiency in Snowflake (Snowpipe, RBAC, performance tuning).

Hands-on experience with Python , SQL , Jinja , JavaScript for data engineering tasks.

CI/CD expertise using Azure DevOps (build, release, version control).

Experience automating DBT jobs for data transformations.

Experience building Streamlit applications with Snowflake integration.

Cloud services knowledge across AWS (S3, Lambda, Glue), Azure (Data Factory, Synapse), and GCP (BigQuery, Pub/Sub).

Nice to have

Cloud certifications is a plus

Languages

English: B2 Upper Intermediate

Join the Fintech Core team building a white-label modular platform that powers digital banks, payment systems, and fintech products across Europe, North America, and MENA regions
 

As a System Analyst on the Fintech Core project, you will define technical architecture, system specifications, and integration designs for a white-label modular fintech platform that enables rapid creation of digital banking and payment products.
 

The platform provides a complete technology stack including general ledger, middleware, mobile/web applications, and extensive third-party integrations for KYC, payments, card issuance, and compliance. You'll work closely with Business Analysts, Solution Architects, and Engineering teams to translate business requirements into detailed technical specifications, design robust system architectures, and ensure seamless integration across microservices while maintaining regulatory compliance and enterprise-grade security.

This role offers hands-on experience designing financial systems at scale, with exposure to payment processing, card networks, digital wallets, cross-border transactions, and regulatory compliance frameworks serving multiple fintech implementations globally.

Responsibilities
 

• Analyze and document system requirements for platform modules including payments, card issuance, digital wallets, accounts, ledger management, and compliance systems
• Translate business requirements into detailed technical specifications, API contracts, database schemas, and integration architectures
• Design data models, entity relationships, and data flow diagrams for transactional and financial systems with appropriate normalization and performance considerations
• Define integration patterns and technical specifications for connecting with payment processors, KYC/AML providers, card issuers, and open banking platforms
• Document system behaviors using sequence diagrams, component diagrams, deployment architectures, and API specifications (OpenAPI/Swagger)
• Collaborate with Solution Architects to ensure system designs align with microservices architecture patterns, scalability requirements, and technical best practices
• Define non-functional requirements including performance benchmarks, security controls, data retention policies, and audit trail specifications
• Facilitate technical design workshops with Engineering teams to review system specifications, validate implementation approaches, and identify technical risks
• Create comprehensive system documentation in Confluence covering technical flows, component interactions, message formats, and infrastructure requirements
• Support QA teams by defining system integration test scenarios, technical acceptance criteria, and end-to-end testing strategies
• Analyze system performance bottlenecks and propose optimization solutions for high-throughput financial transaction processing
• Ensure all technical specifications maintain regulatory compliance requirements (PCI DSS, GDPR, PSD2) and financial data security standards
• Maintain traceability between business requirements, system specifications, technical implementations, and test cases
• Participate in sprint planning, technical refinement sessions, and architecture review boards to ensure alignment between product vision and technical execution

Professional skills are required:
 

• 3+ years of experience as System Analyst, Technical Analyst, or similar role in fintech or banking domains

   

• Strong understanding of financial systems architecture including general ledgers, payment processing, and account management

   

• Experience with microservices architecture, API design, and distributed systems

   

• Proficiency in creating technical documentation: system design documents, data flow diagrams, sequence diagrams, ER diagrams

   

• Knowledge of database design and data modeling for transactional systems

   

• Understanding of integration patterns, message queues, and event-driven architectures

   

• Familiarity with payment systems standards (ISO 20022, SWIFT, SEPA, card schemes)

   

• Experience with API specifications (REST, OpenAPI/Swagger, webhooks)

   

• Understanding of cloud infrastructure and deployment architectures (AWS, Azure, GCP)

   

• Knowledge of authentication and authorization mechanisms (OAuth, JWT, API keys)

Technical Skills

• 3+ years of experience as System Analyst, Technical Analyst, or similar role in fintech or banking domains

• Strong understanding of financial systems architecture including general ledgers, payment processing, and account management

• Experience with microservices architecture, API design, and distributed systems
• Proficiency in creating technical documentation: system design documents, data flow diagrams, sequence diagrams, ER diagrams

• Knowledge of database design and data modeling for transactional systems

• Understanding of integration patterns, message queues, and event-driven architectures

• Familiarity with payment systems standards (ISO 20022, SWIFT, SEPA, card schemes)

• Experience with API specifications (REST, OpenAPI/Swagger, webhooks)

• Understanding of cloud infrastructure and deployment architectures (AWS, Azure, GCP)

• Knowledge of authentication and authorization mechanisms (OAuth, JWT, API keys)

   

Domain Knowledge

• Understanding of core banking concepts: accounts, transactions, balances, ledgers, reconciliation

   

• Knowledge of payment flows: domestic/international transfers, card payments, digital wallets

   

• Familiarity with KYC/AML processes and regulatory compliance requirements

   

• Understanding of financial data security standards (PCI DSS, GDPR)

   

• Experience with fintech product features: onboarding, card issuing, FX, acquiring

Analytical & Documentation Skills

• Excellent analytical thinking and problem-solving abilities

• Strong technical writing skills with attention to detail

• Ability to translate complex business requirements into technical specifications

• Experience with UML, BPMN, or similar modeling notations

• Proficiency with documentation tools (Confluence, Notion, or similar)

• Experience with requirements management and traceability

Skills will be a plus:
 

• Experience with white-label or multi-tenant system architectures

• Knowledge of blockchain and cryptocurrency integrations

• Familiarity with regulatory frameworks (PSD2, Open Banking, MiFID)

• Experience with performance testing and system optimization

• Understanding of DevOps practices and CI/CD pipelines

• Previous experience with modular platform architecture

• Knowledge of financial compliance and audit requirements

• Experience with data migration and system integration projects

Project description:

Fintech Core is a white-label modular fintech solution designed for rapid creation and launch of digital banking and payment products. It provides a comprehensive, turnkey platform that enables businesses to build neobanks, digital wallets, payment systems, and other fintech products within 3 months rather than years. The solution includes a complete technology stack: a robust general ledger platform, middleware layer, customizable frontend applications for iOS/Android/Web, and extensive third-party integrations for KYC, payments, card issuance, and compliance. Unlike traditional SaaS offerings, Fintech Core provides full access to source code, eliminating vendor lock-in and enabling deep customization.

The platform is built on microservices architecture with modular components that can be independently scaled and customized. It supports multi-currency operations, cross-border payments, card issuing, account management, transaction processing, compliance monitoring, and back-office orchestration. The solution is PCI & DSS compliant and designed to meet regulatory requirements across multiple jurisdictions.

Project stage: Active development and continuous enhancement. The platform is mature with multiple successful implementations but undergoes constant evolution to incorporate new regulatory requirements, payment integrations, and fintech capabilities. Quality, scalability, and compliance are paramount priorities.

The size and the structure of the PROJECT team:

Cross-functional team including Product Owners, Business Analysts, System Analysts, Frontend/Backend Developers, QA Engineers, DevOps, Security Specialists, and Compliance Consultants. The team operates in an Agile environment with close collaboration between technical and business functions.

Project description

Our client is a large international enterprise operating at scale in the industrial and manufacturing domain, developing and maintaining a modern cloud-based Core platform.
The project focuses on building a new Azure-based cloud solution that supports critical business processes across multiple regions.
The role involves working as part of a Scrum team on designing, developing, and maintaining high-quality, scalable, and maintainable software solutions in Azure, in close collaboration with developers, UX analysts, and other stakeholders.

Responsibilities

Work together with other Scrum team members on a new cloud solution for the client's Core platform

Participate in Scrum planning sessions by analyzing the work to be done

Implement new functionality or refactor existing code based on detailed specifications and mock-ups

Closely collaborate with other development team members and UX analysts

Create technical designs and define the required Azure architecture

Support technical decision-making, balancing cost, scalability, and maintainability

Write unit tests for newly developed functionality

Participate in performing code reviews

Report work progress on a daily basis

Focus on bug fixing when needed

Skills

Must have

Master's degree in Software Engineering or equivalent experience

At least 6 years of proven expertise in designing and developing high-quality software solutions, with a strong emphasis on maintainability and scalability

Solid knowledge of Azure Functions, Azure architecture, and containerization

Experience with Azure DevOps is considered a plus

Proficient in relevant languages and frameworks, including C#, .NET, SQL, HTML, and related technologies

Extensive experience in designing and implementing RESTful web services and APIs

Strong analytical mindset with the ability to collaborate and contribute to solution design

Capable of working independently while knowing when to escalate or discuss challenges and issues

Fluent in English, both spoken and written

Nice to have

Azure DevOps

Languages

English: C1 Advanced

Senior AI / LLM R&D Engineer

Location: Remote - Europe Time Zones

Level: Senior / Staff

Experience required: 5+ years in machine learning / deep learning engineering with direct hands-on work on large language models

About the role

We are seeking an exceptional Senior LLM R&D Engineer to join our frontier AI research & development team. You will work on next-generation large language models, post-training techniques, reasoning & agentic systems, efficient scaling, and multimodal capabilities.

Your work will directly contribute to training / post-training of models in the 100B–1T+ parameter range, pushing state-of-the-art performance in reasoning, long-context understanding, tool use, and safety/alignment.

This is a highly technical, research-oriented engineering role — ideal for people who love reading recent papers, implementing them at scale, and shipping improvements to production models.

Key Responsibilities

• Design, implement and scale pre-training, post-training (SFT, DPO, PPO, RLVR, online RL, etc.) and inference pipelines for very large language models
• Conduct cutting-edge experiments in model architecture, mixture-of-experts (MoE), state-space models, test-time compute scaling, long-context training, and multimodal integration
• Own end-to-end ownership of major R&D initiatives: from data curation → training recipe → evaluation → iteration
• Optimize training & inference efficiency (memory, throughput, energy) using latest distributed training techniques and hardware-aware optimizations
• Build robust evaluation harnesses (human & automated) for reasoning, agentic capabilities, safety, and factual accuracy
• Collaborate closely with researchers, systems engineers, data team, and product teams to turn research ideas into production-grade model improvements
• Stay at the absolute forefront of the field — implement ideas from recent ArXiv / conferences within days/weeks

Required Qualifications

• 5+ years of professional experience building, training or fine-tuning large-scale deep learning models (LLMs ≥ 13B strongly preferred)
• Very strong PyTorch proficiency (JAX bonus)
• Deep hands-on experience with modern LLM training & post-training stacks:
  • Hugging Face Transformers, Accelerate, PEFT (LoRA/QLoRA/DoRA/LoHa…)
  • DeepSpeed, Megatron-LM, vLLM, SGLang, TRL, Axolotl, Unsloth, Liger-kernel, FSDP2 / torch.compile
  • Alignment toolkits: TRL, Aligners, RLAIF pipelines, reward modeling
• Proven track record shipping LLM improvements in at least one of: reasoning, long-context, tool use / agents, multimodality, multilingual, or safety
• Strong software engineering skills: clean, modular, well-tested code; experience with large codebases
• Comfortable working at scale: multi-node (hundreds of GPUs), massive datasets (trillions of tokens), long-running jobs
• Solid understanding of latest advances in LLMs (2024–2026 papers): MoE scaling laws, test-time scaling, inference-time search, chain-of-thought distillation, RL for reasoning, etc.

Strongly Preferred / Differentiating Skills

• Experience training or heavily customizing models ≥ 70B parameters
• Publications (even workshop) or strong open-source contributions in LLM space
• Hands-on work with frontier open models (Llama-3/4, DeepSeek-R1/R2, GLM-4.x, Qwen-2.5, Mistral Large / Nemo, Gemma-2/3…)
• Expertise in any of: agent frameworks (LangGraph, CrewAI, AutoGen), RAG at scale, long-context architectures (RingAttention, Infini-Attention, Mamba-2 hybrids), speculative decoding, quantization (GPTQ/AWQ/FP8), multimodal (vision-language, video-language)
• Experience with very large-scale data pipelines (Spark, Ray Data, web-scale deduplication/filtering)
• Familiarity with modern evaluation suites (Arena-Hard, GPQA, SWE-bench Verified, FrontierMath, LiveCodeBench…)

What we offer

• Work on frontier-scale models with meaningful compute budget
• Direct impact on next-generation AI systems
• Competitive compensation package (base + meaningful equity + performance bonus)
• Top-tier compute resources and latest hardware
• Flat structure — your ideas matter regardless of title

If you're passionate about building the next generation of reasoning & agentic foundation models and have shipped serious LLM work in the past 5 years — we want to talk to you.

Apply with: CV + GitHub / Hugging Face profile + short note about your most impressive LLM project (training, post-training, inference optimization, agent system…)

Location: remotely from  Latvia, Lithuania, lower priority - Spain/Portugal/Romania/Slovakia/Hungary/Czech Republic!!!
Start Date: 1 March

Duration: Until the end of September 2026 (option to extend)

Allocation: Full-time

Role Overview

We are looking for a mid-level Fullstack Developer to contribute across backend and frontend layers of the Sage Earth platform. This role requires a strong backend foundation with the ability to work on frontend features as needed.

Key Responsibilities

• Develop backend services using Java (JVM) and Kotlin
• Contribute to frontend development where required
• Collaborate closely with backend, frontend, and product teams
• Participate in design discussions and code reviews
• Ensure high-quality, maintainable solutions across the stack

Required Skills & Experience

• Experience with Java (JVM) and Kotlin
• Fullstack development experience (backend-focused)
• Understanding of frontend technologies and modern UI frameworks
• Experience working in agile teams
• Ability to balance backend and frontend priorities

Nice to Have

• React experience
• PostgreSQL exposure
• Cloud-native development experience

Location: remotely from  Latvia, Lithuania, lower priority - Spain/Portugal/Romania/Slovakia/Hungary/Czech Republic!!!
Start Date: 1 March

Duration: Until end of September 2026 (option to extend)

Allocation: Full-time

Role Overview

We are seeking a mid-level Backend Developer to work on the Sage Earth platform, contributing to backend services supporting data, AI, and ingestion capabilities.

Kotlin experience is preferred but not mandatory — strong Java developers willing to learn Kotlin are encouraged to apply.

Key Responsibilities

• Develop and maintain backend services using Java (JVM-based stack)
• Work with PostgreSQL databases and support data persistence needs
• Collaborate with Tech Lead, Principal Engineer, and other developers
• Write clean, maintainable, and well-tested code
• Participate in code reviews and technical discussions
• Support integration with data ingestion and AI components

Required Skills & Experience

• Solid experience with Java (JVM) backend development
• Experience working with PostgreSQL
• Understanding of RESTful APIs and backend service design
• Experience working in agile development teams
• Willingness and ability to learn Kotlin

Nice to Have

• Prior Kotlin exposure
• Experience with cloud platforms
• Familiarity with data-heavy or analytics-driven systems

We are a U.S.-based fintech startup operating in the investment and financial services space. Our distributed teams work across Poland, the United States, and Ireland, collaborating on technology-driven solutions related to stocks and investments.

Security, compliance, and the responsible handling of sensitive financial data are central to how we operate, as we build scalable products in a regulated environment.

Responsibilities

- Build responsive UI experiences using React + Nexus components. - Ensure accessibility (WCAG) and UX compliance.
- Integrate front-end with backend APIs.
- Optimize UI for performance and cross-device compatibility.

- Implement reusable UI components and design patterns.

- Participate in UI code reviews and testing.

- Troubleshoot and resolve UI defects.

Skills

- Strong React, TypeScript, modern frontend tooling.
- Experience with design systems (Nexus preferred).
- Understanding of accessibility standards (WCAG).
- Knowledge of frontend performance optimization.
- Familiarity with API integration & authentication flows. - Experience with Jest/React Testing Library/Playwright. - Strong CSS and responsive design skills.

Please read before applying:

The client is building a product in the bank/investment/brokerage systems niche, and their investors have strict security and compliance requirements, where every person will go through a background check.

What does this mean?

Before making an offer, they will check whether you have violated any EU laws.

Why Poland?

The client has teams in the USA, Ireland, and Poland.

For background check — you must be a taxpayer in Poland for 2+ years.

We are a U.S.-based fintech startup operating in the investment and financial services space. Our distributed teams work across Poland, the United States, and Ireland, collaborating on technology-driven solutions related to stocks and investments.

Security, compliance, and the responsible handling of sensitive financial data are central to how we operate, as we build scalable products in a regulated environment.

Responsibilities

- Develop and execute automated UI & API test suites.
- Lead regression testing strategy and quality governance.
- Validate UI/UX behavior and accessibility.
- Collaborate with engineering teams on defect resolution.
- Maintain test documentation and test metrics.
- Support UAT, release readiness, and quality gates.
- Test cloud-native deployments and integrations.
Skills
- Strong automation testing experience (Playwright/WebDriver). - Understanding of regression and integration testing design.
- Knowledge of accessibility and UI validation.
- Familiarity with API testing tools (Postman, REST Assured).
- CI/CD test execution knowledge.
- Basic debugging & log analysis skills.
- Experience creating reusable test assets.

Please read before applying:

The client is building a product in the bank/investment/brokerage systems niche, and their investors have strict security and compliance requirements, where every person will go through a background check.

What does this mean?

Before making an offer, they will check whether you have violated any EU laws.

Why Poland?

The client has teams in the USA, Ireland, and Poland.

For background check — you must be a taxpayer in Poland for 2+ years.

About Strim Duo:

Strim Duo is a creative and high-tech game and digital product studio headquartered in Limassol, Cyprus. The company provides a wide range of services, including social game development, product engineering, UX/UI design, custom software solutions, mobile applications, and post-launch product support.

Strim Duo helps partners create engaging and highly effective game content: from social and arcade games to MMORPGs and children’s apps, integrating advanced monetization mechanics and social network features (strim-duo.com)

The expertise we’re looking for

• High-level knowledge of Excel;
• English: B2 Upper Intermediate (for confident communication with bank representatives and partners);
• Strong attention to detail, result-oriented mindset, ability to multitask, analytical mind;
• Responsibility for time management at a very high-performance level;

• Experience in IT/ Gambling and working with international VAT are an advantage.

   

Your position will include

• Calculation of monthly revenue, preparation of invoices, reconciliation with counterparties;
• Managing bank transactions and monitoring cash flows to ensure accurate financial control;
• Formation of company’s income and expenses;
• Participation in the design and implementation of new reporting tools, models, and suggestion of additional solutions that can enhance and simplify the reporting and accounting processes;
• Other related tasks.

Tieto Tech Consulting is inviting a talented Data Engineer to join our growing team and support our customer BICS, a global telecommunication enabler with a physical network spanning the globe. In this role, you will work on the BICS Voice and CC Value Streams, delivering qualified customer and network support by designing, building, and optimizing large-scale data pipelines within the telecom domain. The position requires strong expertise in Scala Spark, Databricks, and AWS cloud services, and focuses on developing high-performance data platforms that enable network analytics, customer insights, real-time monitoring, and regulatory reporting.

Key Responsibilities

• Design, develop, and maintain scalable batch data pipelines using Scala, Databricks Spark, Databricks SQL and Airflow
• Implement optimized ETL/ELT processes to ingest, cleanse, transform, and enrich large volumes of telecom network, usage, and operational data
• Ensure pipeline reliability, observability, and performance tuning of Spark workloads
• Build and manage data architectures leveraging AWS services (such as but not limited to) S3, Lambda, IAM, and CloudWatch
• Implement infrastructure-as-code using Terraform
• Ensure security best practices and compliance with telecom regulatory requirements (GDPR, Data sovereignty, retention)
• Collaborate with cross-functional teams (Architecture, DevOps, Network Engineering, Business Intelligence)
• Document system designs, data flows, and best practices

Requirements

• 4+ years of experience as a Data Engineer or Big Data Developer
• Strong proficiency in Scala and functional programming concepts
• Advanced experience with Apache Spark (batch processing using Data Frame API and low-level Spark API’s, performance tuning, cluster optimization)
• Experience with optimized SQL-based data transformations for analytics and machine learning workloads
• Hands-on experience with Databricks including notebooks, jobs, Delta Lake, Unity Catalog, and MLflow (nice to have)
• Solid understanding of CI/CD practices with Git, Jenkins/Gitlab Actions
• Strong AWS skills: S3, Lambda, IAM, CloudWatch, and related services
• Knowledge of distributed systems, data governance, and security best practices
• Experience with Airflow integration with AWS services for end-to-end orchestration across cloud data pipelines
• Experience with IaC tools: Terraform or CloudFormation
• Experience with Python is a Plus
• Experience with DBT is a Plus
• Experience with Snowflake is s Plus

Soft Skills

• Strong analytical and problem-solving skills
• High degree of ownership and a mindset for continuous improvement
• Quality oriented, pragmatic and solution oriented
• Excellent communication and teamwork abilities
• Ability to translate business requirements into technical solutions
• Experience in telecom sector is a plus
• Experience with an agile way of working is a plus
• English proficiency

The product company is looking for a Senior Product Analyst in Warsaw.

A successful market leader, a live-streaming platform with 450+ million registered users.
The B2C mobile platform allows millions of talented people worldwide to connect with their fans and monetize their talents.lions of talented people worldwide to connect with their fans and monetize their ta

The live streaming platform was founded in 2018 in the USA and is powered by 350+ global employees.

They offer: options, medical insurance (100% for employees and 75% for family members), lunch in the office, parking, multisport card.

Requirements:

• experience as data analyst / product analyst / game analyst
• experience with BI tools such as Looker / Tableau / Power BI, etc.
• SQL experience
• cloud experience (not any specific, just one of cloud's in general)
• B2C experience
• mobile analytics

A US-based MSP is looking for an experienced Data Engineer to design, implement, and maintain scalable data pipelines and cloud-native solutions. This role requires deep expertise in Python programming, cloud services, and SQL-based data modeling, with a strong emphasis on automation, reliability, and security.

COMPANY 
Atlas Technica — the US-based IT service provider for the hedge fund vertical. Founded and headquartered in New York in 2016, and rapidly growing all along the way. These days comprises 300+ engineers and 10+ established locations in the US, UK, Ukraine, Hong Kong, and Singapore. 

Location/Type: Remote (Ukraine only)
Hours: UA timezone, flexible

RESPONSIBILITIES: 

• Build and maintain efficient ETL workflows using Python 3, applying both object-oriented and functional paradigms.
• Write comprehensive unit, integration, and end-to-end tests; troubleshoot complex Python traces.
• Automate deployment and integration processes.
• Develop Azure Functions, configure and deploy Storage Accounts and SQL Databases.
• Design relational schemas, optimize queries, and manage advanced MSSQL features including temporal tables, external tables, and row-level security.
• Author and maintain stored procedures, views, and functions.
• Collaborating with cross-functional teams
   

REQUIREMENTS: 

• 5+ years as a Data Engineer 
• Strong Python (OOP + functional, production code, ETL workflows) 
• Testing (pytest, unit/integration tests) 
• ETL orchestration (Airflow, Dagster, or Prefect) 
• Advanced SQL (optimization, schema design, complex queries) 
• Cloud experience + serverless patterns (Azure Functions, Lambda, or Cloud Functions)

• Git, CI/CD

  
  NICE TO HAVE: 

  • Microsoft SQL Server / T-SQL experience (temporal tables, row-level security, external tables)
  • Azure-specific SDKs and services (Azure Functions SDK, Key Vault, ARM templates)
  • Microsoft certifications

WE OFFER:

• Direct long-term contract with a US-based company
• Full-time remote role aligned with EST
• B2B set-up via SP (FOP in $USD)
• Competitive compensation
• Annual salary reviews and performance-based bonuses
• Company equipment provided for work
• Professional, collaborative environment with the ability to influence strategic decisions
• Opportunities for growth within a scaling global organization

We’re looking for a Flutter/Flame Developer to build interactive 2D modules (game-like experiences) inside Flutter apps. The role is performance-focused: stable FPS on mid-range devices, optimized asset pipeline, and careful memory management.
 

What you’ll do
- Develop interactive / game modules using Flutter + Flame (embedding Flame scenes into Flutter apps).
- Implement and maintain camera/viewport: scrolling, follow, zoom, world bounds, parallax.
- Build UI that supports rotation/orientation using RotatedBox (and correct layouts after rotation).
- Create sprite-based animations, timelines, and transitions; integrate Lottie animations.
- Optimize resources: assets pipeline, sprite sheets, caching, lazy loading to reduce app size and load time.
- Optimize performance & memory: profiling, fixing leaks, controlling allocations/GC to keep stable FPS.
 

Requirements
- Proven production experience with Flutter + Flame integration.
- Hands-on experience with RotatedBox and correct UI layout under rotation.
- Experience working with camera/viewport in Flame (or equivalent Flutter plugins/approaches).
- Strong practical skills in asset optimization (sprite sheets, caching, assets pipeline).
- Lottie integration experience (including optimization).
- Performance & memory optimization experience on “heavy” scenes (sprites + camera), using profiling tools (e.g., Flutter DevTools).
 

Nice to have
- Sprite batching, custom painters/shaders.
- Rive/Spine experience.
- Solid understanding of the Flutter rendering pipeline.
- Experience with isolates and practical profiling workflows.

Work format & collaboration
- Remote, part-time (workload and schedule are flexible and discussed individually).
- Transparent workflow: Agile/Scrum, Git-based process, code reviews.
- Clear tasks, minimal bureaucracy, quick decisions.

Compensation
- Negotiable (hourly or monthly; depends on level and agreed workload).

Ever wanted to grow as an engineer on a real product - not pet projects or short-term tasks, but a system that real businesses rely on every day?
Where you don’t just “code features”, but gradually learn how large, mission-critical systems are built, maintained, and modernized?
Where you can gain hands-on experience with legacy systems and be part of a long-term transition to modern .NET architecture?

If you’re a Junior/Middle- level C# developer with around 2 years of experience and curiosity about real-world systems - this role is a great growth opportunity.
 

At AlphaDevs

We don’t just build remote teams - we build long-term engineering partnerships.
We work with product companies that value stability, quality, and sustainable technical evolution - not quick fixes.

This role is part of a long-term product engagement focused on maintaining and gradually modernizing a large ERP platform used in real business operations.

We are committed to supporting Ukraine 🇺🇦 and are hiring Ukrainian engineers only for this role.
No strong English is required — most of the team is Ukrainian, and daily communication happens in Ukrainian.
 

About the Product

You will work on a large, mature ERP system that:

• Has been developed and evolved over many years
• Contains complex business logic, data flows, and integrations
• Is mission-critical for daily operations
• Is planned for gradual migration from Delphi to modern .NET (C#) architecture

This is not a greenfield project - it’s real engineering on a real system with real impact.
 

The Role

We’re looking for a Junior C# Developer who will:

• Work on maintaining and extending parts of an existing ERP system
• Learn to understand a legacy Delphi codebase with the support of senior engineers
• Gradually participate in the migration from Delphi to C# / .NET
• Grow technical confidence while working on a long-living product

This is a long-term role with a clear growth path in skills, responsibility, and compensation.
 

What You’ll Do

• Develop new functionality for ERP products under guidance of senior engineers
• Maintain and improve existing code (Delphi and C# parts)
• Participate in the gradual migration from Delphi to .NET (C#)
• Work with MSSQL databases and business data models
• Write clear code and basic technical documentation
• Collaborate closely with a Ukrainian engineering team
   

What You Bring

• 2+ years of commercial experience with C# / .NET
• Basic understanding of OOP and software design principles
• Basic knowledge of Delphi or strong motivation to learn it
• Experience working with SQL databases (MSSQL is a plus)
• Willingness to work with legacy code and learn complex business logic
• Responsibility, curiosity, and desire to grow as an engineer
   

Nice to Have

• Experience with ERP, CRM, or other business systems
• Understanding of MVC or layered architecture
• Any experience with system modernization or refactoring
   

What You Get

• Long-Term Stability: Work on a product designed for years of development
• Strong Learning Curve: Mentorship from senior engineers and real-world system experience
• Real Product Impact: Your work affects real business operations
• Modernization Journey: Be part of the transition from legacy Delphi to modern .NET
• Growth Path: Clear technical growth and salary progression
• Ukrainian Team: комфортна комунікація українською мовою
• Meaningful Work: Build systems that actually run companies, not just demos
   

Ready to grow on a real system that matters?
If you want to develop as a C# engineer, learn how large ERP systems work, and participate in real modernization - join AlphaDevs and become part of a long-term product journey.

👉 Apply now and grow your engineering career on real-world systems.

Applefy - a high-quality Mobile and Web Development company, is looking for a talented Engineer to join our dynamic team on an ongoing project. 
This is a fantastic opportunity for a developer passionate about building high-quality mobile applications and wanting to grow their skills in a flexible and supportive environment.

What We Offer:

• Flexible work schedule: Manage your own time and work at your own pace.
• Fully remote: Work from anywhere in the world.
• Comprehensive leave policy: Enjoy all official holidays, 20 days of paid vacation, and 10 sick days without needing a doctor’s note.

Key Requirements:
• Strong communication skills
• Proficiency in spoken English
• 1+ years of experience with SwiftUI and UIKit
• SwiftUI experience 
• Experience with Combine or Async-Await
• Solid understanding of UI/UX principles
• Keen attention to detail

Preferred Qualifications:

• A desire to learn and grow professionally
• At least two years of experience in product development
• Residency in Ukraine 🇺🇦
• Experience with App Clip

If you’re ready to take the next step in your career with Applefy, we’d love to hear from you!