FullStack Engineer

About Truelogic
At Truelogic we are a leading provider of nearshore staff augmentation services headquartered in New York. For over two decades, we’ve been delivering top-tier technology solutions to companies of all sizes, from innovative startups to industry leaders, helping them achieve their digital transformation goals.

Our team of 600+ highly skilled tech professionals, based in Latin America, drives digital disruption by partnering with U.S. companies on their most impactful projects. Whether collaborating with Fortune 500 giants or scaling startups, we deliver results that make a difference.

By applying for this position, you’re taking the first step in joining a dynamic team that values your expertise and aspirations. We aim to align your skills with opportunities that foster exceptional career growth and success while contributing to transformative projects that shape the future.

Our Client
A leading provider of cloud-based solutions that empower public institutions to modernize and streamline their operations. With over two decades of experience, this organization builds technology that enhances efficiency, fosters transparency, and improves how people serve their communities.

Job Summary
We're looking for a hands-on Principal Full Stack Engineer to help build our next-generation SaaS application from the ground up. You'll work closely with Architects, Product Managers, UX Designers, and fellow engineers to define technical solutions, establish engineering best practices, and deliver secure, scalable, high-performance software.

This role is ideal for a technical leader who enjoys writing code, solving complex problems, mentoring engineers and leveraging AI-assisted development to accelerate delivery with full shift-left and no QA.

Responsibilities

• Design, develop, and deliver scalable SaaS applications using .NET, Angular, SQL Server/PostgreSQL, and AWS.
• Own end-to-end delivery of features—from domain modeling and backend services through frontend development, automated testing, deployment, and production support.
• Generate production-ready code using AI Assisted development tools from Replit designs with internal design standards, reusable components, accessibility guidelines, responsive design principles, and frontend best practices.
• Collaborate with Architects to define application architecture and validate technical approaches by building proof-of-concepts (PoCs) where appropriate.
• Design solutions using modern architectural patterns including Domain-Driven Design (DDD), CQRS, Event-Driven Architecture, Backend-for-Frontend (BFF), and API Gateway.
• Build modern Angular applications using standalone components, Signals, RxJS, Reactive Forms, and reusable component architecture.
• Design efficient data models, optimize SQL performance, and implement scalable integration and messaging patterns.
• Mentor engineers through technical guidance, architecture discussions, code reviews, and knowledge sharing.
• Leverage AI-powered development tools such as GitHub Copilot, Cursor, Claude Code, and agentic AI workflows to improve software quality and engineering productivity.

Qualifications and Job Requirements

• 10+ years of professional software engineering experience.
• Experience as a Principal, Lead Engineer, or equivalent technical leadership role.
• Expert proficiency in C#, .NET, Entity Framework, SQL Server/PostgreSQL, and Angular.
• Strong experience with DDD, CQRS, REST APIs, event-driven architecture, and distributed systems.
• Experience designing secure, scalable, multi-tenant SaaS applications.
• Strong knowledge of SQL optimization, data modeling, and technologies such as Redis and OpenSearch/Elasticsearch.
• Experience with automated testing, CI/CD, Git, Agile development, and modern DevOps practices.
• Experience with observability and monitoring tools, along with static analysis tools such as SonarQube and Mend.
• Experience using AI coding assistants such as GitHub Copilot, Cursor, Claude Code, or similar tools.

What we offer

• 100% Remote Work: Enjoy the freedom to work from the location that helps you thrive. All it takes is a laptop and a reliable internet connection.
• Highly Competitive USD Pay: Earn an excellent, market-leading compensation in USD, that goes beyond typical market offerings.
• Paid Time Off: We value your well-being. Our paid time off policies ensure you have the chance to unwind and recharge when needed.
• Work with Autonomy: Enjoy the freedom to manage your time as long as the work gets done. Focus on results, not the clock.
• Work with Top American Companies: Grow your expertise working on innovative, high-impact projects with Industry-Leading U.S. Companies.

Why You’ll Like Working Here

• A Culture That Values You: We prioritize well-being and work-life balance, offering engagement activities and fostering dynamic teams to ensure you thrive both personally and professionally.
• Diverse, Global Network: Connect with over 600 professionals in 25+ countries, expand your network, and collaborate with a multicultural team from Latin America.
• Team Up with Skilled Professionals: Join forces with senior talent. All of our team members are seasoned experts, ensuring you're working with the best in your field.

Apply now!

Start date:
ASAP

Languages:
Fluent English required

Industry:
SaaS / MedTech

About The Role
Pragmatike is recruiting on behalf of a fast-growing SaaS company building a modern healthcare platform used by medical professionals. As the product continues to scale, the engineering team is expanding to support increasingly complex integrations, security requirements, and platform reliability.

We are looking for a
Senior Full Stack Engineer
with strong backend expertise in
NestJS
to help design, build, and scale the core platform. This is a highly technical, hands-on role where you'll own backend architecture, develop reliable distributed systems, and collaborate closely with frontend and product teams to deliver high-quality features.

The ideal candidate has a strong product mindset, thrives in startup environments, and actively leverages AI-assisted development to improve engineering velocity while maintaining high code quality.

Your Responsibilities

• Design, develop, and maintain scalable backend services using NestJS
• Architect APIs, caching layers, queues, and distributed services for high-performance SaaS applications
• Build and maintain integrations with third-party systems using REST APIs (SOAP experience is a plus)
• Collaborate closely with frontend and product teams to deliver end-to-end product features
• Improve application performance, reliability, scalability, and maintainability
• Contribute to engineering best practices, code quality, and technical architecture decisions
• Leverage AI-assisted development workflows to accelerate implementation, testing, and debugging
• Take ownership of features from design through production in a fast-moving startup environment

Required Qualifications

• 5+ years of experience building production SaaS applications
• Strong expertise with NestJS (mandatory)
• Experience with Redis, caching strategies, and queuing systems such as RabbitMQ or equivalent
• Strong experience with TypeORM
• Good knowledge of Next.js and Tailwind CSS
• Proven experience designing and integrating REST APIs
• Experience building scalable backend systems with asynchronous architectures
• Fluent English with strong communication skills
• Ability to effectively use AI coding assistants to accelerate development and debugging workflows. Familiarity with open-source AI frameworks and modern coding assistants such as Claude Code, Cursor, GitHub Copilot, Codex, or similar is a MUST.
• Ownership mindset with the ability to work independently in a remote-first environment

Preferred Qualifications

• French language skills
• Experience building Chrome Extensions
• Background in MedTech or Healthcare SaaS
• Knowledge of end-to-end encryption
• Experience integrating SOAP services alongside REST APIs
• Mobile development experience, particularly with React Native
• Experience introducing AI-assisted or agentic development workflows across engineering teams

AI-First Engineering
AI is an integral part of the engineering workflow. During the interview process, we'll explore how you use AI in real-world software development, including:

We're looking for engineers who use AI as a force multiplier for software quality, productivity, and problem-solving, not simply as an autocomplete tool.

Why Join Us

• Join a product-focused engineering team building technology that supports healthcare professionals
• Take ownership of core backend systems and influence technical architecture
• Work across modern backend infrastructure, frontend applications, and complex integrations
• Help shape engineering best practices in a fast-growing startup environment
• Collaborate with a highly technical, remote-first team focused on shipping high-quality software

Pragmatike is committed to a fair, transparent, and inclusive recruitment process. We do not discriminate based on age, disability, gender, gender identity or expression, marital or civil partner status, pregnancy or maternity, race, religion or belief, sex, or sexual orientation.

In accordance with GDPR, your personal data will be processed lawfully, fairly, and securely, and used solely for recruitment purposes, including sharing it with our client(s) for employment consideration.

Hello,

We are called People More because we treat our employees with respect, but also because the projects we work on are for people and should be easy and pleasant to use. We are technological, but we look at the bigger picture :)

The company is made up of people with a huge client base in the country and abroad, for whom we build projects from scratch (UX, UI, frontend, backend, mobile) or in part. We work directly for our clients and also support our partners in their own solutions. This ensures a wide range of projects and the ability to change! We work with clients all over the world.

For the project that we are working on with our partner, we are looking for
Lead Backend Engineer & Architect (Node.js | TypeScript | AI).
Your Duties Will Include

• Design and build scalable backend services using Node.js, TypeScript, and NestJS.
• Drive architectural decisions and document them using Architecture Decision Records (ADRs).
• Design and implement distributed, event-driven systems.
• Optimize backend performance, reliability, and scalability.
• Design efficient PostgreSQL data models and optimize complex queries.
• Own backend security, authentication, authorization, and data isolation strategies.
• Collaborate on AI-powered features and backend integrations with LLMs.
• Mentor engineers and establish engineering best practices.
• Contribute to technical strategy while remaining actively involved in software development.

Requirements That Must Be Met

• 7+ years of commercial backend development experience.
• Expert knowledge of Node.js, TypeScript, and NestJS in production environments.
• Proven experience designing and operating high-scale distributed systems serving hundreds of thousands of users.
• Strong architectural background with demonstrated ownership of backend platforms and technical decisions.
• Expert knowledge of PostgreSQL, including:

• query optimization,
• execution plans,
• indexing,
• transactions,
• using raw SQL when appropriate.

• Experience designing asynchronous and event-driven systems, including:

• queues,
• retries,
• idempotency,
• background job processing (e.g. BullMQ).

• Strong understanding of backend security, including:

• OAuth 2.0,
• RBAC/ABAC,
• OWASP,
• audit logging,
• secrets management,
• permission boundaries.

• Experience implementing multitenant architectures, data isolation, and Row-Level Security (RLS)-style patterns.
• Experience writing Architecture Decision Records (ADRs) and leading technical design decisions.
• Practical experience using AI-assisted or agentic coding workflows while maintaining high engineering quality standards.
• Very good English and Polish

What We Offer

• We are open and honest and we solve problems instead of generating them.
• Maybe it’s obvious, but we really respect our employees and associates. We used to be software developers, too, and we appreciate that job!
• A small team
• An international working environment and international projects
• Private medical care
• Sports card
• Training courses
• Work that is 100% remote (unless you prefer another system)

We have an office in Krakow, but if you like to work remotely, that’s absolutely fine. We are OK with fully remote work. For us, you can be located anywhere. :)

Why it’s a good idea to work with People More?

• If you are not satisfied with your work or your tasks, we’ll find a way out together!
• If you get bored, we will offer you a new product and new, fascinating tasks
• We will work on your brand together: you will get an opportunity to attend conferences, including as a speaker, and we will help you publish in recognized magazines and online
• We will facilitate your access to challenges that are usually difficult to get
• At any time, you can talk directly to the board of People More—we talk your language because the company’s founders are software developers and designers!

What does the recruitment process look like?

• A friendly remote initial interview
• A remote technical talk
• The decision to work together!

Salary
150 - 200 zł/h

contract
B2B

Location
Kraków / remote

Location: Remote

• Collaboration: Freelance, via Monterail Tech Network
• Start: ASAP The project

Some products you use every day without ever seeing them. This is one of those.

Our client is a well-established B2D (business-to-developer) SaaS platform -real-time infrastructure that moves billions of messages a day for developers around the world. Live chat, dashboards, collaborative apps, state synchronization: if it updates in front of your eyes, there's a good chance technology like this is running underneath.

The role
This is a product-minded engineering role, not ticket execution. The team is deliberately moving away from reactive delivery toward engineers who understand customers and drive outcomes. You'll take features from a loose concept to shipped and monitored in production — dashboards, billing UIs, documentation platforms, developer-facing tools — proposing what should be built, not waiting for a roadmap to tell you.

And here's the fun part: the customers are developers. You'll use the product yourself and fix the frustrations you'd want fixed.

What We're Looking For

• A fullstack craftsman. You're strong in Ruby on Rails and React and comfortable moving across the stack - from complex dashboards to sleek documentation platforms
• A DevEx champion. You have natural empathy for other developers and genuinely care about the developer experience of the tools you build
• Comfortable with ambiguity. You thrive when the brief is vague. You identify problems, propose solutions, and ship with minimal hand-holding
• An owner. You see features through their entire lifecycle — from the first line of code to the final metric in production. Quality issues that surface after release are still yours
• A proactive communicator. You give realistic estimates, meet your commitments, and speak up early if a timeline is at risk
• Fluent with AI coding assistants. The team uses them actively for planning, prototyping, and iteration — you should too, while owning the correctness and quality of everything that ships
• Design and UX intuition. You notice when a flow feels wrong and you're not afraid to say so

Tech stack
React + TypeScript on the frontend, Ruby on Rails on the backend, some Node/TypeScript services, PostgreSQL underneath.

Nice to have

• Experience building developer-first products or working on B2D platforms
• Experience with products grown through product-led growth (PLG)
• Background in real-time, messaging, or infrastructure-adjacent products

How the collaboration works
This is a freelance engagement through the Monterail Tech Network - you work with us on a B2B basis, embedded in the client's team, with Monterail handling the partnership side. Read more about what freelancing with us looks like at Monterail Tech Network.

Sound like you?
Send us your resume — and if you've built anything for developers before, we'd love to hear about it.