Senior Backend Engineer

Payrails

ABOUT PAYRAILS Payrails is a global payment software company helping leading enterprises to take control of their payment operations and maximize performance. With deep experience in the payments space and firsthand knowledge of merchants' challenges, we’ve seen how fragmented, complex, and inefficient these systems can become. Now, we are setting a new industry standard for how enterprises around the world manage and optimize payments, with more control, visibility and flexibility than ever before. Our vision is to reimagine payments from the ground up. We are building a deeply integrated meta layer that spans the entire payment lifecycle with a modular architecture. This helps us give leading brands building blocks to craft solutions to most complex operational challenges, tailor seamless customer experiences and grow their business. We are backed by some of the world’s top investors including Andreessen Horowitz, HV Capital, EQT Ventures and General Catalyst, who share our mission to simplify payment complexity globally. At Payrails, we’re committed to building a team of exceptional people - not just talented, but driven to build, solve, and deliver at the highest level. Excellence isn’t just a value here; it’s a way of working. We believe that great people thrive in environments where there’s trust, clarity, and shared purpose. We work openly and collaboratively, with deep respect for each other’s craft. Everyone is encouraged to understand the bigger picture - what we’re building, why it matters, and what stands in the way. When people have that context, they move faster, take ownership, and make better decisions. We care about creating a culture where people feel inspired to do their best work and a deep sense of responsibility to help us bring our vision to life. Success at Payrails means staying focused on the problems that matter most, and executing with purpose. YOUR TEAM Payrails is a true tech company: our Product is designed by engineers for engineers. We believe in quality before delivery: our mission is to provide an outstanding Payment experience with a strong eye on automation, resilience, and scalability. Our engineering culture is focused on 3 main pillars:  * We aim for operational excellence  * We promote open communication and quick feedback * We share knowledge and learn continuously Our tech team offers you the chance to work alongside a group of highly ambitious and knowledgeable Engineers, while being faced with complex problems that affect customers on a global scale. HOW YOU WILL MAKE AN IMPACT * You will design, develop, test, deploy and maintain software in a thriving environment * You will manage individual project priorities and deliverables whilst working in a team who enjoy knowledge sharing sessions * You will stay up to date with the latest trends in technology * You work within your cross-functional team to uphold the highest technical standards right across the product WHAT WE ARE LOOKING FOR * You show vast experience in developing software in large-scale production systems, ideally using Golang * You have a great foundation in microservice principles, event sourcing, cloud-native infrastructure, and clean code best practices * You are comfortable with both relational and non-relational databases * You have a proven track record working in agile and cross-functional teams with a strong focus on quality and delivery * You strive to join a high-performance engineering culture based on strong cooperation and innovation * You are an innovative thinker, able to quickly recognize opportunities and apply your expertise to deliver solutions that support outstanding customer experiences * You are proficient in English with effective communication skills * An experience in FinTech or in the payments domain will be a plus WHAT WE OFFER * High impact and high velocity environment with the most talented and ambitious people you will ever work with * A chance to shape the story of a company and a category from the ground up * Real ownership. You’ll have the freedom and trust to build, test, and take lead * A product used by the best brands around the world * Visa and relocation support for you and your family where required * Hybrid working with an office in the heart of Berlin * Regular team events, activities and off-sites * Discounted Urban Sports Club membership * Competitive salary and equity package * 27 days of annual paid vacation

Parloa

ABOUT PARLOA Parloa’s mission is to make every customer conversation feel effortless for both customers and the companies serving them. As agentic AI accelerates, Parloans are shaping the foundation of a new era in customer experience, one where customer support is no longer transactions, but meaningful exchanges. It is not just a vision; Parloa has powered over ONE BILLION interactions between global enterprise brands and their customers, with companies like Booking.com, HealthEquity, Allianz, SAP, BarmeniaGothaer, and TUI already deploying Parloa at scale. ABOUT THE ROLE: As a Senior Backend Engineer, you will work on a marketplace of tools and integrations which Parloa's agents leverage via MCP. Managed access to business systems dramatically increases their value while controlling for security and risk. You haven't worked with our stack? That's fine! We would love to get in touch as long as you are open to learn and code in Typescript.   AREAS OF OWNERSHIP: * Design, build, and maintain secure and scalable backend services * Optimize system performance for low latency, high throughput, and reliability * Collaborate across teams to integrate machine learning components into production systems * Lead technical initiatives - design, planning, implementation, and maintenance (3-9 months horizon) * Drive initiatives to improve operational excellence * Contribute to the evolution of our architecture and engineering culture * Set cultural standards for fearless iteration, bias for action, and pragmatic perfectionism—design for tomorrow, build for today. OUR TECH STACK: TypeScript, Node.js, React, Python, FastAPI, Kubernetes, MongoDB, Azure, Kafka, NATS  WHO YOU ARE: * 7+ years of experience as a software engineer * Experience in Typescript, Node (ideally NestJS); or experience with comparable frameworks in other languages, and a willingness to learn and code in Typescript * Experience with developing and maintaining highly scalable and reliable microservices * Deep understanding of distributed systems, event-driven architectures, and APIs * Experience with cloud-native infrastructure (e.g., Kubernetes, GCP/AWS) * A bias for action, strong ownership, and a passion for clean, pragmatic code * Experience in leading technical projects  (3-9 months horizon) * Strong spoken and written communication skills in English * Curiosity and openness to work with AI-assisted coding tools * Thrives in ambiguous, high-stakes environments with a strong sense of urgency. * Embodies Parloa’s ambition: to build Europe’s leading engineering culture and a world-class AI platform. * Motivated by making the impossible possible and building something iconic.   OUR ENGINEERING VALUES: At Parloa, we hire, promote, and evaluate based on cultural and technical excellence. You’ll thrive here if you: * Earn Trust – act with transparency and reliability. * Obsess Over Customers – always start with the customer problem. * Think Big – set bold goals and pursue them fearlessly. * Have Integrity – do the right thing, especially when it’s hard. * Disagree & Commit – debate with candor, align fast, and deliver. * Own It – take full responsibility for outcomes, not just tasks. * Dive Deep – master the details without losing sight of the big picture. * Bias for Action – move fast, decide quickly, iterate fearlessly. * Deliver Value – measure success by customer and business impact. * Insist on the Highest Standards – raise the bar continuously. * Go the Extra Mile – make the impossible possible. * Hire & Elevate the Best – raise the bar with every hire   OUR RECRUITING PROCESS:   Recruiter Call → Technical Peer Interview → 360° Tech Interview Loop → Bar Raiser   WHY PARLOA?   We’re at the beginning of a new era in customer experience, one where AI doesn’t just respond, but understands, reasons, and takes action. We’re building agentic AI that enterprises trust with their most important customer moments: complex questions, high volumes, real stakes. When millions of people reach out to a brand, those interactions aren’t just support tickets; they’re defining experiences. We’re here to raise the standard: making every conversation seamless, intelligent, and genuinely helpful. If you care about shaping how businesses and customers connect at scale—and want your work to matter in real, everyday moments—this is where you do it. At Parloa, ownership isn’t a buzzword; it means being accountable for outcomes, not just tasks. We operate in a category that’s evolving fast, where the bar is high, and the problems are complex. We hire people who think in solutions, communicate with clarity, and follow through. People who are comfortable making decisions, taking responsibility, and raising the standard for themselves and those around them. We’ve grown beyond the earliest startup phase, but we’ve kept the intensity: fast execution, direct feedback, and a strong expectation to contribute meaningfully from day one. Backed by leading global investors like General Catalyst, EQT Ventures, and Altimeter Capital, we’re scaling with a clear ambition: to become the global category leader in enterprise-grade conversational AI.     ---------------------------------------------------------------------------------------------------------------------------------- Parloa is committed to upholding the highest data protection standards for our clients' and employees' data. All our employees are instrumental in ensuring the utmost care, GDPR, and ISO compliance, including ISO 27001, in handling sensitive information. Parloa is an e-verify employer in the USA. Please click here to learn more. * We provide equal opportunities to all qualified applicants regardless race, gender, sexual orientation, age, religion, national origin, disability status, socioeconomic background and other characteristics.

Talon.One

ABOUT TALON.ONE:   Talon.One is the most powerful incentives engine that unifies loyalty, promotions and gamification into one holistic platform. Backed by enterprise-grade security and scalability, Talon.One empowers companies to build personalized, profitable promotions and loyalty programs using any data. Today, over 250 of the world’s most-loved brands including Adidas, Sephora and Carlsberg work with Talon.One to drive deeper engagement and lasting loyalty with their customers.   ABOUT THE TEAM: Our development team consists of specialists in frontend, backend, QA, product, and visual design. We work in small cross-functional teams that give everybody insight and hands-on experience of what everyone else is doing. Each team is self-sustained, autonomous, and responsible for a specific feature or area in our platform. We believe in strong collaboration, open communication, and mentoring to allow bi-directional growth. We are working to make Talon.One an inclusive workplace because we believe it is the right thing to do and because we want to have a positive impact on the entire tech industry. We are currently looking for a Senior Backend Engineer to join our development teams. You will work closely with our product people to design the right solutions to our challenging problems while collaborating, mentoring, and supporting the other team members. For this position, we need professionals who are already based in Berlin or willing to move to Berlin.   ONCE YOU ARE HERE YOU WILL: * Lead and deliver features of any size — independently or by coordinating effort across the squad * Drive technical discovery and solution design in collaboration with your PM and Tech Lead * Actively share technical knowledge across the Backend Guild — through discussions, documentation, and knowledge-sharing sessions * Participate in cross-squad (Backend Guild) brainstorming sessions and problem-solving discussions * Mentor and unblock junior and mid-level engineers through pairing, code review, and deliberate feedback * Champion improvements to quality, maintainability, and engineering process within your squad and beyond * Be a crucial member in a small cross-functional team (a squad) * Contribute effectively during all Scrum rituals, facilitation of process maturity increments, and engineering best practices initiatives * Regularly participate in code reviews and provide constructive feedback * Consistently monitor the maintenance of quality standards and proactively recommend engineering or process improvements   WHAT WE NEED YOU TO BRING TO THE TABLE: * 6+ years of experience as a Backend Developer building enterprise-grade web applications — Go strongly preferred, but we're also open to strong backgrounds in other mainstream backend languages (e.g., Node.js, Java, C#, Python). * Basic working familiarity with Go — you don't need deep expertise, but you should be comfortable reading Go code and understanding its core syntax and idioms. * If your background is primarily in another stack: during interviews, you'll need to demonstrate you can pick up Go quickly and show a genuine willingness to build your career in Go — our backend stack (Go) isn't changing, so this is a hard requirement, not a nice-to-have. * Strong architectural instincts — you understand tradeoffs and can articulate them clearly to technical and non-technical stakeholders * The ability to mentor others without being asked — you notice where people are stuck and act on it * A guild mindset: you contribute to backend-wide discussions, not just your squad's backlog * In-depth knowledge of REST API design, PostgreSQL, and Testing Techniques * Experience building scalable, maintainable, and performant large-scale applications * A proven track record of designing the architecture of multiple applications or complex features end-to-end * Hands-on experience owning maintenance, performance, and security concerns for production systems * Strong tendency towards implementing modern best practices like pair-programming sessions, unit and integration tests, adaptation of AI and automation, refactoring, SOLID principles, security best practices, documentation as code, regular knowledge sharing, etc. * Big-picture thinking; You collaborate with non-developers to clarify requirements and help plan projects, with an eye on the overall impact on the business & product * A willingness to learn about and contribute to the whole stack is essential * A team-first attitude; As a group, we strive to leave egos at home * Empathy for your customers and your colleagues   ABOUT TECHNOLOGY:  * Kubernetes running on Google Cloud * PostgreSQL * We use Go for our API, core logic, and internal tooling * TypeScript, React, Redux, and CSS modules for our web application * Cypress for automated end-to-end testing * Other odds & ends in JavaScript and shell script   WHAT'S IN IT FOR YOU: * A Research and Development Department of 90+ of engineers, product managers and product designers in Berlin * Leaders with 8+ years of experience building our promotions engine  * €1,000 annual learning budget and free German language courses to boost your skills * 30 days of annual leave, plus extra paid days for your birthday and moving day * Home office setup budget, a monthly home office allowance * Freedom to work from abroad for up to 90 days worldwide! * Mental health support with nilo.health and a discounted Urban Sports Club membership * 20% company subsidy on your pension contributions * Subsidised BVG public transport ticket and a dog-friendly Berlin office where your furry friend is welcome * Lease your ideal bike through BusinessBike