Mobilunity

On behalf of our Client, a well-established financial institution from the Caribbean region, Mobilunity is looking for a .NET Backend Developer.
The project’s goal is to build a reusable, country-configurable Instant
Payment System (IPS) architecture that can be deployed across multiple territories.
We are transforming a traditional bank into a modern fintech ecosystem, operating at the frontier of
real-time payments, ISO 20022 messaging, and API-driven architecture.

Responsibilities

Design, develop, and maintain scalable backend microservices for Instant Payment System (IPS)
components.
Implement and support ISO 20022 financial messaging (pacs.008,
pacs.002, camt.056, etc.).
Develop RESTful APIs for integrations with front-end and external banking systems.
Work closely with the API Gateway, Core Banking, and Fraud/AML
services.
Ensure security, data integrity, and reliability across distributed services. Participate in country-
specific configurations (BIC, currency, limits, URLs).
Write unit and integration tests, perform debugging, and maintain CI/CD pipelines.
Collaborate with architects, leads, and regional IT teams to ensure solution consistency and code
reusability.

Requirements

3+ years of experience in backend development using .NET / .NET Core. .NET Backend Developer 1

Strong understanding of REST API design and microservice architecture.
Experience with message-based or event-driven systems (e.g., RabbitMQ,
Kafka, or Azure Service Bus).
Proficiency in working with SQL and/or NoSQL databases (SQL Server,
PostgreSQL, DynamoDB, etc.).

Familiarity with secure API communication (TLS 1.2+, certificates,
signatures).
Experience with containerization (Docker, Kubernetes) and CI/CD
pipelines (GitHub Actions, Azure DevOps, Jenkins).
Understanding of financial integrations or ISO 20022 standards will be a big
plus.
Good command of English (Upper-Intermediate or higher) for daily
communication with the client and technical teams.

Nice to Have

Experience with AWS (S3, Parameter Store, ECS, EKS, Secrets Manager).
Familiarity with Vault, SIEM, or audit logging solutions.
Background in FinTech, banking, or payment systems.
Knowledge of Domain-Driven Design (DDD) or Clean Architecture
principles.
 

Middle/Senior Software Development Engineer in Test (С#) in Lisbon, Portugal

On behalf of our Client from Portugal, Mobilunity is looking for a Middle/Senior Software Development Engineer in Test (SDET) on full-time engagement.

Our Client is building a new digital product with a strong 3D rendering component. Part of a broader initiative to scale digital solutions and establish a Data & AI Center of Excellence. They designs, engineers and manufactures structural connectors, fasteners, anchors, lateral-force resisting systems and related products for wood, steel and concrete construction in residential, commercial and infrastructure markets. The brand is widely recognized as the leading “genuine connector” supplier in North American residential construction and a global leader in structural product solutions.

Key Responsibilities:

• Design, develop and execute end to end functional, regression, integration, performance, and automated tests. (60%)
• Develop and maintain overall manual and automated test plans for multiple software applications. (20%)
• Perform ongoing manual user acceptance tests based on completed development stories. Document and evaluate test results. (10%)
• Partner with business analysts/product owner to ensure requirements are understood for proper testing. (10%)

Required Skills and Experience:

• Bachelor’s Degree in a related field, preferably in business, IT, computer science, engineering or another technology-focused field, or equivalent experience required.
• 3+ years as a Software Developer in Test or similar role.
• 3+ years of hands-on experience with integrating automated testing with CI/CD servers for continuous integration.
• 2+ years using C#, TSQL, HTML and other programming languages.
• Strong ability to produce and assess programming code (C#) to create and maintain automated tests.
• Identify and troubleshoot issues with existing automated tests.
• Improve existing automated tests and/or design more ehicient tests.
• Understand the needs of a product and advise on and design testing strategies.
• Communicate technical information to non-technical stakeholders and teammates.
• Strong ability to write and understand C# and other programming languages.

Nice to Have:

• Team City build server knowledge.
• Git source control knowledge.

Tech Stack:

• Frontend: TypeScript, React (or similar), Three.js/Babylon.js, WebGL/WebGPU.
• Build Tools: GitHub, ADO, Terraform.
• Testing: Jest/Vitest, Playwright/Cypress.
• Backend Integration: ASP.NET.

In return we offer:

• The friendliest community of like-minded IT-people
• Open knowledge-sharing environment – exclusive access to a rich pool of colleagues willing to share their endless insights into the widest variety of modern technologies.
• Mobilunity Medical Insurance program designed to meet our teams’ needs.
• Paid vacations and sick leaves, including 5 paid days per year that don’t require a sick note.
• Perfect office location in the city center (900m from Lukyanivska metro station with a green and spacious neighborhood) or remote mode engagement: you can choose a convenient one for you, with a possibility to fit together both.
• No open-spaces setup – separate rooms for every team’s comfort and multiple lounge and gaming zones.
• English classes in 1-to-1 & group modes with elements of gamification.
• Neverending fun: sports events, tournaments, music band, multiple affinity groups

Come on board, and let’s grow together!

On behalf of our Client from Israel, Mobilunity is looking for a Senior Full-Stack Engineer on full-time engagement.

Our Client is developing a SaaS platform that evaluates how brands perform across LLMs and provides actionable insights to improve visibility and performance.

The system includes:
A user-facing SaaS platform (customer dashboard, insights, reporting) A data processing backend that interacts with multiple LLMs to generate analysis

Currently:
- Platform is live with ~20 paying customers
- Initial MVP was built quickly using a “vibe coding” approach → now undergoing restructuring and productionization
- Moving toward a more scalable, clean architecture with APIs and separated systems
- Future plans include expanding into automated implementation of recommendations

About the Team:

Looking for experienced proactive person who can take on tech leadership from current R&D developer and tackle next challenges:

• Existing codebase is messy and requires refactoring/re-architecture.
• Need to stabilize and scale a working but early-stage system.
• Managing two separate systems (frontend app + LLM data engine).
• Increasing need for complex integrations (LLMs, analytics tools, CRMs, enterprise systems).
• Lack of strong internal technical leadership to define roadmap and best practices.

Key Responsibilities:

• Own and improve overall system architecture (frontend, backend, data/LLM systems).
• Refactor and scale existing MVP into production-grade system.
• Hands-on full-stack development.
• Lead LLM integrations (APIs, prompting, orchestration).
• Build and maintain integrations (payment, CRM, analytics, erp, custom APIs).
• Work closely with founders on product and technical roadmap.
• Participate in hiring and mentoring future engineers.

Required Skills and Experience:

• 5+ years in full-stack development building and scaling SaaS products.
• Background in early-stage/startup environments refactoring or rebuilding MVP systems.
• Background working with data/AI-driven products.
• Strong full-stack skills (React/Vue + Node.js/Python or similar).
• Solid understanding of system architecture and scalability.
• Experience with API design and system integrations.
• Hands-on experience with LLM/AI integrations: OpenAI, Gemini, or similar APIs. Prompting and workflow design.

Nice-to-Have skills:

• Experience with domains related to SEO / eCommerce / marketing tech.
• Experience with enterprise integrations (Salesforce, ERP, etc.).
• Experience connecting 3d-party APIs & tools.

In return we offer:

• The friendliest community of like-minded IT-people
• Open knowledge-sharing environment – exclusive access to a rich pool of colleagues willing to share their endless insights into the broadest variety of modern technologies
• Mobilunity Medical Insurance program designed to attend our teams’ needs
• Paid vacations and sick leaves, including 5 paid days per year that don’t require a sick note
• Perfect office location in the city-center (900m from Lukyanivska metro station with a green and spacious neighborhood) or remote mode engagement: you can choose a convenient one for you, with a possibility to fit together both
• No open-spaces setup – separate rooms for every team’s comfort and multiple lounge and gaming zones
• English classes in 1-to-1 & group modes with elements of gamification
• Neverending fun: sports events, tournaments, music band, multiple affinity groups

Mobilunity is a Ukrainian-based and operated provider of software engineering teams. Our typical clients are European, American and Japanese startups and small-to-mid sized companies working with our teams as permanent and equal extensions to their own software departments. With our collaboration model, engineers get direct access to the client’s technical management and work hand-in-hand with their peers both on the client’s side and in Ukraine. We as the Vendor ensure all non-tech questions are solved in a supportive manner. Joining Mobilunity you will get the best from both worlds – strong support and a big community locally, and an ambitious international team.

We are seeking an organized and proactive Outreach Specialist to join our Marketing team.

Responsibilities:

• Daily link opportunities research using various methods and tools;
• Outreaching to webmasters with a goal to place our link at the target publications;
• Regular database updates and reporting.

Requirements:

• At least 1 year of experience at the same position;
• Fluency in Ahrefs usage;
• Practical experience with competitors analysis in ahrefs, semrush or similar seo tools;
• Understanding of SEO, linkbuilding and ABC linking;
• Creative approach in writing email pitches;
• Goal-oriented person, with proven track of record of outreach plan completion;
• Upper-intermediate English.

Joining the team you will get:

• The friendliest community of like-minded IT-people;
• Open knowledge-sharing environment – exclusive access to a rich pool of colleagues willing to share their endless insights into the broadest variety of modern technologies;
• Paid vacations and sick leaves, including 5 paid days per year that don’t require a sick note;
• Fair salary and 100% taxes coverage – don’t worry about possible taxes raise – we will get you covered;
• The ability to work remotely or from the office in Kyiv (there is a generator and starlink for uninterrupted work);
• Comfortable working conditions in the office – no open spaces, separate rooms for the comfort of each team and several rest;
• Corporate events, numerous interest groups.

COME ON BOARD, AND LET’S GROW TOGETHER!

The company is seeking a builder-first Fractional CTO who will act as the senior technical voice for the platform. The focus is on translating CCM’s consulting and domain expertise into a scalable, AI-native SaaS platform capable of proactive monitoring, alerting, and autonomous action.

Responsibilities:

- Conduct a technical audit of the current platform, codebase, infrastructure, and data model

- Define the architecture for a multi-tenant B2B SaaS platform

- Assess AI/LLM integration, agentic workflows, contract ingestion, and vendor intelligence pipelines

- Drive the transition from reporting/dashboard to proactive, agent-driven platform capabilities

- Recommend build vs. buy vs. integrate decisions, including AI orchestration frameworks

- Own the technical roadmap and oversee any external development teams or agencies

- Lead integration strategy across ERP, finance, and workflow systems (NetSuite, QuickBooks, Workday, Aderant, Elite 3E)

- Serve as technical voice for prospects, partners, and investors

Requirements:

- Proven experience standing up at least 2 B2B SaaS platforms from early stage

- Hands-on experience with AI/LLM integration, document analysis, RAG pipelines, or agentic workflows

- Familiarity with AI orchestration frameworks (LangChain, LlamaIndex, AutoGen, or similar)

- Deep understanding of multi-tenancy, RBAC, and enterprise data security (SOC 2 readiness is a plus)

- Experience designing systems that ingest and structure unstructured data (contracts, invoices, vendor documents)

- Strong integration experience (ERP systems, REST APIs, OAuth, webhooks)

- Proven ability to lead/manage remote development teams or agencies

- Clear, direct communication with non-technical founders and stakeholders

Strong plus:

- Procurement tech, legal tech, contract lifecycle management (CLM), or spend analytics experience

- Familiarity with Aderant, Elite 3E, NetSuite (enterprise software)

- SOC 2 Type II readiness experience

- Fractional or multi-client experience

- Experience with data-intelligence or benchmarking products

Mobilunity is a Ukrainian-based and operated provider of software engineering teams. Our typical clients are European, American and Japanese startups and small-to-mid sized companies working with our teams as permanent and equal extensions to their own software departments. With our collaboration model, engineers get direct access to the client’s technical management and work hand-in-hand with their peers both on the client’s side and in Ukraine. We as the Vendor ensure all non-tech questions are solved in a supportive manner. Joining Mobilunity you will get the best from both worlds — strong support and a big community locally, and an ambitious international team.

We are looking for an experienced and result-oriented IT Recruiter to join our Recruitment team.
 

Main requirements:

• 4+ years of experience in IT recruitment, including work in outstaff/outsource companies or recruitment agencies;
• Strong knowledge of IT market trends and hiring practices across both local and global markets;
• Expertise in designing and implementing diverse recruitment strategies;
• Exceptional communication, organizational, problem-solving, and decision-making skills;
• Ability to manage multiple priorities and perform effectively under pressure;
• Experience in building long-term relationships with both candidates and clients;
• At least Upper-Intermediate level of English (both written and spoken);
• Genuine passion for recruitment and talent acquisition in the IT industry.

Responsibilities:

• Take ownership of complex vacancies as an independent recruitment expert: design strategies, define target markets, and manage full-cycle hiring (interviews, feedback, offers, hire);
• Collaborate closely with English-speaking hiring managers to deeply understand each role, team dynamics, and success criteria; interviewers on the client’s side, building strong and trust-based relationships;
• Collaborate closely with Sales, AM and Technical teams to streamline recruitment processes;
• Monitor recruitment process effectiveness, highlight issues, and implement continuous improvement initiatives;
• Ensure proper vacancy promotion on the market and alignment with business needs;
• Set recruitment priorities and allocate resources across multiple vacancies;

• Support team members in sourcing strategies, candidate engagement, and recruitment best practices.

   

Joining the team you will get:

• The friendliest community of like-minded IT-people;
• Open knowledge-sharing environment – exclusive access to a rich pool of colleagues willing to share their endless insights into the broadest variety of modern technologies;
• Paid vacations and sick leaves, including 5 paid days per year that don’t require a sick note;
• Fair salary and 100% taxes coverage – don’t worry about possible taxes raise – we will get you covered;
• The ability to work remotely or from the office in Kyiv (there is a generator and starlink for uninterrupted work);
• Comfortable working conditions in the office – no open spaces, separate rooms for the comfort of each team and several rest;

• Corporate events, numerous interest groups.

   

COME ON BOARD, AND LET’S GROW TOGETHER!

On behalf of our Client, a well-established financial institution from the Caribbean region Mobilunity is looking for a Senior Product Owner. 

Our Client is the largest bank in the Caribbean region that serves 14 countries/territories. The aim is to make this organization from a traditional bank into a new era of fintech, working on the edge of what current fintech may offer.

This role will be at the forefront of delivering a superior digital experience across the mobile and web banking platforms, playing a pivotal part in shaping the future of banking in the Caribbean.

Key responsibilities:

• Own the end-to-end strategy, vision, and roadmap for mobile and web banking platforms, ensuring alignment with business goals.
• Collaborate closely with product engineering teams to design and deliver customer-centric digital solutions.
• Lead cross-functional teams to enhance the functionality, usability, and performance of our digital banking platforms.
• Identify and implement innovative features to meet market needs and elevate the digital customer experience.
• Leverage customer journey mapping to optimize touchpoints and enhance customer satisfaction.
• Drive agile practices and prioritize development backlogs to deliver on-time, high-quality products.
• Monitor industry trends and competitor offerings to ensure our platforms remain competitive and relevant.

Qualifications and experience:

• Proven experience as a Product Owner, Product Manager, or similar role in digital banking or fintech.
• Strong technical acumen and a deep understanding of mobile and web platform development.
• Experience with CX journey mapping and customer experience optimization.
• Knowledge of agile methodologies and familiarity with tools such as Jira or Confluence.
• Ability to lead cross-functional teams and manage stakeholder expectations effectively.
• Strong communication, analytical, and problem-solving skills.
• A passion for innovation and digital transformation.
• Level of English – Upper-intermediate+

In return we offer:

• The friendliest community of like-minded IT-people
• Open knowledge-sharing environment – exclusive access to a rich pool of colleagues willing to share their endless insights into the broadest variety of modern technologies
• Mobilunity Medical Insurance program designed to attend our teams’ needs
• Paid vacations and sick leaves, including 5 paid days per year that don’t require a sick note
• Perfect office location in the city-center (900m from Lukyanivska metro station with a green and spacious neighborhood) or remote mode engagement: you can choose a convenient one for you, with a possibility to fit together both
• No open-spaces setup – separate rooms for every team’s comfort and multiple lounge and gaming zones
• English classes in 1-to-1 & group modes with elements of gamification
• Neverending fun: sports events, tournaments, music band, multiple affinity groups

Come on board, and let’s grow together!

Our Client is focused on building next-generation e-commerce solutions for global brands, delivering high-performance web applications, Progressive Web Apps (PWA), and hybrid mobile experiences. The team works with modern technologies and advanced architectures to create scalable, fast, and user-centric digital products.

They are looking for a seasoned Senior Front-End Engineer who will combine hands-on development with technical leadership. You will play a key role in designing and delivering large-scale front-end solutions while collaborating closely with distributed teams and stakeholders.

About the Team:

You will join a globally distributed engineering team of 50+ specialists, including developers, architects, and QA engineers based in Europe, working closely with product managers, solution engineers, and sales teams in the U.S.

Key Responsibilities:

• Collaborate with cross-functional teams to align technical solutions with business and client needs
• Lead end-to-end front-end development of large-scale projects and feature enhancements
• Design and implement scalable, high-performance front-end architectures
• Write clean, maintainable, and reusable code with a focus on performance and testing
• Optimize applications for speed and Core Web Vitals (LCP, FID, CLS)
• Mentor junior engineers and contribute to architectural decisions
• Troubleshoot and resolve complex technical issues
• Maintain documentation and track progress using Jira and Confluence

Required Skills and Experience:

• Strong English communication skills (written and spoken)
• Experience working with global teams and client-facing communication
• 5+ years of front-end development experience, including 2+ years in a senior role
• Strong expertise in React, Next.js, and modern JavaScript/TypeScript
• Experience with REST APIs and performance optimization (CDNs, caching, code splitting)
• Solid knowledge of CSS preprocessors (SASS, LESS) and responsive design
• Experience with SSR, static site generation, and build tools (Webpack, Babel)
• Familiarity with CI/CD pipelines and cloud platforms (AWS, Vercel)
• Understanding of e-commerce domain and analytics tools

Nice-to-Have skills:

• Experience with Shopify (custom apps, Hydrogen) or other e-commerce platforms
• Knowledge of Tailwind CSS and modern state management (Redux, Zustand)
• Experience with headless CMS or composable commerce
• Familiarity with Next.js App Router, React Server Components, or edge computing

Work Format:

• Remote, full-time
• Requires partial overlap with EST time zone (evening hours)

In return we offer:

• The friendliest community of like-minded IT-people
• Open knowledge-sharing environment – exclusive access to a rich pool of colleagues willing to share their endless insights into the widest variety of modern technologies.
• Mobilunity Medical Insurance program designed to meet our teams’ needs.
• Paid vacations and sick leaves, including 5 paid days per year that don’t require a sick note.
• Perfect office location in the city center (900m from Lukyanivska metro station with a green and spacious neighborhood) or remote mode engagement: you can choose a convenient one for you, with a possibility to fit together both.
• No open-spaces setup – separate rooms for every team’s comfort and multiple lounge and gaming zones.
• English classes in 1-to-1 & group modes with elements of gamification.
• Neverending fun: sports events, tournaments, music band, multiple affinity groups

On behalf of our Client from France, Mobilunity is looking for a DevOps/SRE Engineer.
 

Our client is a table management software and CRM that enables restaurant owners to welcome their customers easily. The app is useful to manage booking requests and register new bookings (e.g. by phone). You can view all your bookings, day after day, wherever you are and optimize your restaurant’s occupation rate. Our client offers a commission-free booking solution that guarantees freedom above all. New technologies thus become the restaurateurs best allies for saving time and gaining customers while ensuring a direct relationship with them.
 

Their goal is to become the #1 growth platform for Restaurants. They believe that restaurants have become lifestyle brands, and with forward-thinking digital products, restauranteurs will create the same perfect experience online as they already do offline, resulting in a more valuable, loyalty-led business.
 

Responsibilities:

Infrastructure Management:

• Continue the migration and assist in transitioning the current infrastructure to Terraform
• Ensure high availability, scalability, and resilience of the systems

Automation and CI/CD:

• Build and maintain CI/CD system
• Develop, maintain, and optimize CI/CD pipelines
• Automate repetitive tasks related to infrastructure and deployments

Monitoring and Incident Management:

• Improve monitoring, logging, and alerting systems to ensure service reliability
• Diagnose and resolve production issues in real-time and perform root cause analysis

Collaboration and Support:

• Work closely with development teams to integrate and deliver new features seamlessly

Security and Compliance:

• Integrate security practices into development and operational workflows
• Conduct regular audits and ensure compliance with relevant standards

• Work with Claude
   

Requirements:

• 4+ years of experience in infrastructure management, DevOps, or SRE roles.
• Strong knowledge of CI/CD pipelines and automation tools (Github Actions)
• Expertise in containerization and orchestration tools such as Docker/AWS ECS
• Solid experience with cloud platforms (AWS)
• Experience with Infrastructure as Code (Terraform)
• Excellent troubleshooting and problem-solving skills.
• Ability to communicate clearly and effectively both verbally and in writing with internal teams
• Upper-intermediate, close to advance English
   

Will be a plus:

• Familiarity with monitoring and observability tools like Prometheus, Grafana
• Knowledge of security standards and practices for production environments
• Strong experience with MySQL, or other relational databases
• Scripting knowledge (Python / Go)
   

In return we offer:

• The friendliest community of like-minded IT-people
• Open knowledge-sharing environment – exclusive access to a rich pool of colleagues willing to share their endless insights into the broadest variety of modern technologies
• Mobilunity Medical Insurance program designed to attend our teams’ needs
• Paid vacations and sick leaves, including 5 paid days per year that don’t require a sick note
• No open-spaces setup – separate rooms for every team’s comfort and multiple lounge and gaming zones on all of the 3 floors
• English classes in 1-to-1 & group modes with elements of gamification
• Neverending fun: sports events, tournaments, music band, multiple affinity groups

On behalf of our Client – a UK-based technology company specializing in transport retail and digital ticketing platforms — Mobilunity is looking for a Senior DevOps (AWS) Engineer (EU based only).

Our client partners with leading transportation operators to deliver innovative digital ticketing systems, scalable SaaS platforms, and customer-facing applications. Their solutions enhance passenger experience while enabling modern retail capabilities across rail and wider transport networks.

Mobilunity is seeking a Senior DevOps(AWS) Engineer to support our client’s cloud-native infrastructure and platform reliability initiatives. You will design, implement, and maintain highly scalable AWS environments, build infrastructure-as-code platforms, and develop automation tooling that enables secure, resilient, and efficient engineering operations.

Responsibilities:

• Design and manage AWS production-grade cloud environments
• Implement scalable containerized workloads using ECS and Fargate
• Build and maintain Terraform-based infrastructure (module-driven architecture)
• Develop automation tooling using Python (boto3) and Bash scripting
• Design secure networking architectures including VPCs, subnets, routing, and load balancing
• Implement CI/CD pipelines using GitHub Actions and Git-based workflows
• Ensure monitoring, logging, and security across infrastructure (CloudWatch, GuardDuty, WAF)
• Support database operations including RDS (Multi-AZ), DynamoDB, and DMS migrations
• Implement disaster recovery and resilience strategies
• Collaborate closely with engineering teams to improve deployment reliability and operational efficiency

Must have skills:

• VPC, subnets, NAT gateways, and route tables
• ECS and Fargate architecture and scaling patterns
• Application Load Balancer (ALB) and CloudFront
• RDS (Multi-AZ deployments, backups, performance tuning)
• DynamoDB
• IAM (advanced policy design)
• AWS WAF, GuardDuty, and CloudWatch
• AWS Step Functions
• AWS Database Migration Service (DMS)
• AWS disaster-recovery design and implementation

Infrastructure as Code

• Advanced Terraform experience with reusable module design
• Remote state management using S3 and DynamoDB locking
• Git-based infrastructure workflows

Containers

• Strong Docker experience
• Container logging, troubleshooting, and debugging
• ECS architecture design and operational management

CI/CD

• GitHub Actions pipeline development and optimization
• Git workflows and branching strategies
• Experience with Amazon ECR

Networking

• Secure subnet and network segmentation architecture
• TLS/SSL certificate lifecycle management (ACM)
• DNS management using Route 53
• Load balancing strategies and traffic routing

Programming & Scripting (Mandatory)

• Python (mandatory): automation, boto3, Lambda tooling, internal platform tooling
• Bash scripting (mandatory): CI/CD scripting, automation, operational tooling
• Strong ability to build internal automation and developer productivity tools

Nice to have skills:

• Multi-region AWS infrastructure experience
• Observability platform design and SRE practices
• Experience supporting high-availability production systems
• Experience working with distributed international engineering teams

In return we offer:

• The friendliest community of like-minded IT-people
• Open knowledge-sharing environment – exclusive access to a rich pool of colleagues willing to share their endless insights into the widest variety of modern technologies
• Mobilunity Medical Insurance program designed to meet our teams’ needs
• Paid vacations and sick leaves, including 5 paid days per year that don’t require a sick note
• Perfect office location in the city center (900m from Lukyanivska metro station with a green and spacious neighborhood) or remote mode engagement: you can choose a convenient one for you, with a possibility to fit together both
• No open-spaces setup – separate rooms for every team’s comfort and multiple lounge and gaming zones
• English classes in 1-to-1 & group modes with elements of gamification
• Never-ending fun: sports events, tournaments, music band, multiple affinity groups

🐳 Come on board, and let’s grow together! 🐳

On behalf of our Client, a well-established financial institution from the Caribbean region Mobilunity is looking for a DevOps Solution Architect. 

Our Client is the largest bank in the Caribbean region that serves 14 countries/territories. The aim is to make this organization from a traditional bank into a new era of fintech, working on the edge of what current fintech may offer.

You will work in a fully remote, globally distributed team, collaborating closely with Product Managers, Engineers, and Business stakeholders across different time zones.

This role requires a high level of autonomy, strong product thinking, and the ability to operate in ambiguity. You will proactively shape requirements, facilitate discussions, and ensure design consistency across the product ecosystem.

We are seeking an experienced Solutions Architect — DevOps to design, implement, and lead cloud-native and hybrid solutions across AWS and Microsoft Azure. This role bridges architecture, DevOps, and platform engineering, ensuring scalable, secure, and highly available systems while enabling CI/CD, infrastructure automation, and operational excellence.

You will collaborate with engineering, security, and business stakeholders to translate requirements into robust cloud architectures and guide teams through implementation and optimization.
 

Key Responsibilities:
 

Architecture & Cloud Designural Design 

•  Design end-to-end cloud solutions leveraging AWS and Azure services, including compute, storage, networking, security, and managed services
• Define reference architectures, landing zones, and multi-account / multi-subscription strategiesEvaluate existing systems and propose architectural improvements aligned with business and technical goals.
•  Architect hybrid and multi-cloud solutions with high availability, disaster recovery, and fault tolerance
• Ensure solutions meet performance, security, compliance, and cost-optimization requirements
   

DevOps & Platform Engineering
 

• Lead the design and implementation of CI/CD pipelines using tools such as GitHub Actions, GitLab CI, Azure DevOps, or Jenkins.
•  Implement Infrastructure as Code (IaC) using Terraform, AWS CloudFormation, and Azure Bicep/ARM
• Enable containerized and orchestration platforms using Docker, Kubernetes (EKS, AKS), and related tooling
• Drive automation for provisioning, configuration management, monitoring, and deployments
   

Security, Reliability & Operations
 

• Implement cloud security best practices including IAM, network segmentation, secrets management, and encryption
• Integrate DevSecOps practices, security scanning, and policy-as-code
• Design observability solutions using CloudWatch, Azure Monitor, Prometheus, Grafana, and logging platforms
• Support SRE practices, incident response, and operational runbooks
   

Collaboration & Leadership
 

• Act as a technical leader and trusted advisor to development teams and stakeholders
• Review architectures and provide guidance on cloud-native patterns and best practices
• Participate in technical decision-making, proofs of concept, and cloud migrations
   

Required Qualifications:
 

• 10+ years of experience in cloud architecture, DevOps, or platform engineering
• Extensive hands-on experience with AWS and Microsoft Azure in production environments
• Strong expertise in Infrastructure as Code (Terraform strongly preferred)
• Experience designing and operating CI/CD pipelines at scale
• Proficiency with containerization and orchestration (Docker, Kubernetes, EKS, AKS)
• Solid understanding of cloud networking, security, and identity management
• Proven ability to translate business requirements into technical solutions
   

Preferred Qualifications:
 

• AWS Certifications (e.g., AWS Solutions Architect — Professional)
• Microsoft Azure Certifications (e.g., Azure Solutions Architect Expert)
• Experience with multi-cloud or hybrid cloud strategies
• Familiarity with service mesh, event-driven architectures, and serverless platforms
• Experience in regulated environments (finance, healthcare, government)
• Consulting or customer-facing architecture experience
   

In return, we offer:
 

• The friendliest community of like-minded IT people
• Open knowledge-sharing environment – exclusive access to a rich pool of colleagues willing to share their endless insights into the broadest variety of modern technologies
• Mobilunity Medical Insurance program is designed to meet our team’s needs
• Paid vacations and sick leaves, including 5 paid days per year that don’t require a sick note
• Perfect office location in the city center (900m from Lukyanivska metro station with a green and spacious neighborhood) or remote mode engagement: you can choose a convenient one for you, with a possibility to fit together both
• No open-spaces setup – separate rooms for every team’s comfort, and multiple lounge and gaming zones
• English classes in 1-to-1 & group modes with elements of gamification
• Neverending fun: sports events, tournaments, music band, multiple affinity groups

 Come on board, and let’s grow together!

Development Team

We are looking for a Middle–Senior QA Tester to join a small and dynamic development team based in Germany. The role involves both manual and automated testing of an application that integrates hardware and software components and serves both B2C and B2B users.

You will work closely with developers and the rest of the team to ensure product quality throughout the active development process..

Key Responsibilities:

• Perform manual and automated testing during active development cycles
• Conduct comprehensive testing of applications with hardware and software components
• Create detailed bug reports and test reports for the development team
• Work with Jira, Xray, and Robot Framework for test management and automation
• Collaborate and communicate effectively with developers and other team members

Required Skills and Experience:

• Middle to Senior level experience in QA testing
• Strong experience with manual and automated testing
• Experience with Jira, Xray, and Robot Framework
• Experience with IoT
• Experience with Python
• Ability to write clear and structured bug reports and test documentation
• Strong communication skills and ability to work in a distributed team
• English level: Upper-Intermediate or higher

In return we offer:

• The friendliest community of like-minded IT-people
• Open knowledge-sharing environment – exclusive access to a rich pool of colleagues willing to share their endless insights into the widest variety of modern technologies.
• Mobilunity Medical Insurance program designed to meet our teams’ needs.
• Paid vacations and sick leaves, including 5 paid days per year that don’t require a sick note.
• Perfect office location in the city center (900m from Lukyanivska metro station with a green and spacious neighborhood) or remote mode engagement: you can choose a convenient one for you, with a possibility to fit together both.
• No open-spaces setup – separate rooms for every team’s comfort and multiple lounge and gaming zones.
• English classes in 1-to-1 & group modes with elements of gamification.
• Neverending fun: sports events, tournaments, music band, multiple affinity groups

On behalf of our Client from France, Mobilunity is looking for a Fullstack C# Engineer.

Our client is a table management software and CRM that enables restaurant owners to welcome their customers easily. The app is useful to manage booking requests and register new bookings. You can view all your bookings, day after day, wherever you are and optimize your restaurant’s occupation rate. Our client offers a commission-free booking solution that guarantees freedom above all. New technologies thus become the restaurateurs best allies for saving time and gaining customers while ensuring a direct relationship with them.

Their goal is to become the #1 growth platform for Restaurants. They believe that restaurants have become lifestyle brands, and with forward-thinking digital products, restauranteurs will create the same perfect experience online as they already do offline, resulting in a more valuable, loyalty-led business.

Responsibilities:

• Developing and maintaining web-based applications across the full stack using C#/.NET and JavaScript/TypeScript
• Building responsive, user-friendly frontend interfaces
• Designing and optimizing back-end systems and databases
• Investigating, diagnosing, and resolving application-related issues across frontend and backend
• Collaborating with the team to deliver new features to clients on a regular basis

Requirements:

• 5+ years of experience in software development
• Strong knowledge of C# and .NET 8/9
• Solid experience with JavaScript/TypeScript and at least one modern frontend framework (React, Angular, or Vue)
• Proficiency with SQL, experience with PostgreSQL is a Plus
• Familiarity with Entity Framework (EF Core)
• Good understanding of system design patterns, including event-driven and message-driven architectures, microservices architecture, communication patterns and resiliency principles
• Knowledge of REST APIs
• Experience using version control systems (Git)
• Strong problem-solving skills
• Ability to communicate clearly and effectively with internal teams
• Upper-intermediate to advanced English proficiency

Will be a plus:

• Active use of AI-assisted coding tools (e.g., Claude Code) as part of daily development workflow
• Familiarity with cloud infrastructure (AWS)
• Knowledge of Docker & containerization
• Experience with CI/CD pipelines
  
  In return, we offer:
• The friendliest community of like-minded IT people
• Open knowledge-sharing environment — exclusive access to a rich pool of colleagues willing to share their endless insights into the widest variety of modern technologies
• Perfect office location in the city center (900m from Lukyanivska metro station with a green and spacious neighborhood) or remote mode engagement: you can choose a convenient one for you, with the possibility to fit together both
• No open-spaces setup — separate rooms for every team’s comfort, and multiple lounge and gaming zones
• English classes in 1-to-1 & group modes with elements of gamification
• Never-ending fun: sports events, tournaments, music band, multiple affinity groups
  
  🐳 Come on board, and let’s grow together! 🐳

On behalf of our Client from Canada, Mobilunity is looking for a Full Stack Java Developer.

Our Client is a technology company focused on automating customs and freight logistics processes. The company’s main goal is to help customs brokers, freight forwarders, and importers simplify and optimize cross-border trade through modern, cloud-based solutions and well-structured APIs.

They are seeking a talented and experienced Full Stack Java Developer to join its fully remote team. You will play a key role in designing, developing, and maintaining a next-generation cloud-native SaaS platform for customs brokers and freight forwarders in North America. This is an exciting opportunity to contribute to a fast-paced development environment focused on high-quality design and clean code, using modern Java technologies and a service-based architecture.

Key Responsibilities:

• Design, develop, and implement new features across the full stack, including UI, backend server-side code, and functional concepts
• Work within a modular monolith architecture based on OSGI
• Ensure high performance, scalability, and security of applications
• Collaborate closely with product, design, and support teams to define and deliver new product capabilities
• Write and maintain comprehensive automated test units

Required Skills and Experience:

• 5+ years of professional experience in Full Stack Development
• Expertise in Java (preferably Java 21+)
• Strong working knowledge of Backend Server-Side development
• Experience with Service-Based Architectures (ideally OSGI/Bnd)
• Proficiency in modern UI Design/Development (e.g., Eclipse SWT or equivalent thick client/desktop application experience is a plus)
• Experience with PostgreSQL or other relational databases
• Working knowledge of developing automated test units using frameworks like JUnit/Mockito
• Familiarity with version control systems, particularly Git (GitHub)
• Ability to work independently and excel in a collaborative team environment
• At least Upper-Intermediate level of English

Nice-to-Have skills:

• Experience with reactive programming ,RXJava
• Experience using AI-powered coding tools like CoPilot

On behalf of our Client, a well-established financial institution from the Caribbean region, Mobilunity is looking for a Senior React/React Native Developer for a long-term engagement.
 

Our Client is the largest bank in the Caribbean region that serves 14 countries/territories. The aim is to transform this organization from a traditional bank into a new era of fintech, leveraging the cutting-edge of current fintech offerings.

We’re looking for a Senior Web/Mobile Engineer to help shape and deliver scalable, secure, and high-performing client-facing applications. You’ll play a key role in driving technical quality - combining deep expertise in React and React Native development with strong architectural insight and hands-on implementation.

Responsibilities: 

• Develop and maintain responsive, high-performance web and mobile applications using React and React Native
• Write clean, maintainable, and efficient code following best practices and established coding standards
• Collaborate closely with product owners, designers, and other developers to define, design, and ship new features
• Participate in code reviews, offering and receiving constructive feedback to ensure code quality and consistency
• Implement unit and integration tests to ensure the reliability, scalability, and robustness of the application
• Debug, troubleshoot, and resolve performance issues across platforms

Requirements:

• Bachelor’s degree in Computer Science, Software Engineering, or related field
• Strong proficiency in React and React Native development
• Experience working with RESTful APIs, third-party libraries, and cloud-based integrations
• Solid understanding of modern front-end development tools (e.g., Redux, TypeScript, Webpack, ES6+)
• Strong problem-solving skills and attention to detail
• Excellent communication and teamwork skills
• English level: Upper-Intermediate or higher

In return, we offer:

• The friendliest community of like-minded IT people
• Open knowledge-sharing environment – exclusive access to a rich pool of colleagues willing to share their endless insights into the broadest variety of modern technologies
• Mobilunity Medical Insurance program is designed to meet our team’s needs
• Paid vacations and sick leaves, including 5 paid days per year that don’t require a sick note
• Perfect office location in the city center (900m from Lukyanivska metro station with a green and spacious neighborhood) or remote mode engagement: you can choose a convenient one for you, with a possibility to fit together both
• No open-spaces setup – separate rooms for every team’s comfort, and multiple lounge and gaming zones
• English classes in 1-to-1 & group modes with elements of gamification
• Neverending fun: sports events, tournaments, music band, multiple affinity groups